/**
* Compiles and caches a regexp pattern for the given string pattern.
*
* @param stringPattern a pattern string
* @param caseSensitive case sensitive true/false
* @return compiles and caches a regexp pattern for the given string pattern
* @throws MalformedPatternException
*/
private Pattern getTestPattern(String stringPattern, boolean caseSensitive)
throws MalformedPatternException {
Pattern pattern = compiledPatterns.get(stringPattern);
if (pattern == null) {
if (caseSensitive) {
pattern = compiler.compile(stringPattern);
} else {
pattern = compiler.compile(stringPattern, Perl5Compiler.CASE_INSENSITIVE_MASK);
}
compiledPatterns.put(stringPattern, pattern);
Debug.logVerbose(
"Compiled and cached a pattern: '" + stringPattern + "' - " + Thread.currentThread(),
module);
}
return pattern;
}
public static ModelReader getModelReader(String delegatorName) throws GenericEntityException {
DelegatorInfo delegatorInfo = EntityConfigUtil.getDelegatorInfo(delegatorName);
if (delegatorInfo == null) {
throw new GenericEntityConfException(
"Could not find a delegator with the name " + delegatorName);
}
String tempModelName = delegatorInfo.entityModelReader;
ModelReader reader = readers.get(tempModelName);
if (reader == null) {
reader = new ModelReader(tempModelName);
// preload caches...
reader.getEntityCache();
reader = readers.putIfAbsentAndGet(tempModelName, reader);
}
return reader;
}
private static FlexibleStringExpander getInstance(
String expression, char[] chars, int offset, int length, boolean useCache) {
if (length == 0) {
return nullExpr;
}
if (!useCache) {
return parse(chars, offset, length);
}
// Remove the next nine lines to cache all expressions
if (!expression.contains(openBracket)) {
if (chars.length == length) {
return new ConstSimpleElem(chars);
} else {
return new ConstOffsetElem(chars, offset, length);
}
}
Key key = chars.length == length ? new SimpleKey(chars) : new OffsetKey(chars, offset, length);
FlexibleStringExpander fse = exprCache.get(key);
if (fse == null) {
exprCache.put(key, parse(chars, offset, length));
fse = exprCache.get(key);
}
return fse;
}
/** Generic Entity - Entity Definition Reader */
@SuppressWarnings("serial")
public class ModelReader implements Serializable {
public static final String module = ModelReader.class.getName();
private static final UtilCache<String, ModelReader> readers =
UtilCache.createUtilCache("entity.ModelReader", 0, 0);
protected Map<String, ModelEntity> entityCache = null;
protected int numEntities = 0;
protected int numViewEntities = 0;
protected int numFields = 0;
protected int numRelations = 0;
protected int numAutoRelations = 0;
protected int numUniqueKeys = 0;
protected String modelName;
/** collection of filenames for entity definitions */
protected Collection<ResourceHandler> entityResourceHandlers;
/**
* contains a collection of entity names for each ResourceHandler, populated as they are loaded
*/
protected Map<ResourceHandler, Collection<String>> resourceHandlerEntities;
/** for each entity contains a map to the ResourceHandler that the entity came from */
protected Map<String, ResourceHandler> entityResourceHandlerMap;
public static ModelReader getModelReader(String delegatorName) throws GenericEntityException {
DelegatorInfo delegatorInfo = EntityConfigUtil.getDelegatorInfo(delegatorName);
if (delegatorInfo == null) {
throw new GenericEntityConfException(
"Could not find a delegator with the name " + delegatorName);
}
String tempModelName = delegatorInfo.entityModelReader;
ModelReader reader = readers.get(tempModelName);
if (reader == null) {
reader = new ModelReader(tempModelName);
// preload caches...
reader.getEntityCache();
reader = readers.putIfAbsentAndGet(tempModelName, reader);
}
return reader;
}
public ModelReader(String modelName) throws GenericEntityException {
this.modelName = modelName;
entityResourceHandlers = FastList.newInstance();
resourceHandlerEntities = FastMap.newInstance();
entityResourceHandlerMap = FastMap.newInstance();
EntityModelReaderInfo entityModelReaderInfo =
EntityConfigUtil.getEntityModelReaderInfo(modelName);
if (entityModelReaderInfo == null) {
throw new GenericEntityConfException(
"Cound not find an entity-model-reader with the name " + modelName);
}
// get all of the main resource model stuff, ie specified in the entityengine.xml file
for (Element resourceElement : entityModelReaderInfo.resourceElements) {
ResourceHandler handler =
new MainResourceHandler(EntityConfigUtil.ENTITY_ENGINE_XML_FILENAME, resourceElement);
entityResourceHandlers.add(handler);
}
// get all of the component resource model stuff, ie specified in each ofbiz-component.xml file
for (ComponentConfig.EntityResourceInfo componentResourceInfo :
ComponentConfig.getAllEntityResourceInfos("model")) {
if (modelName.equals(componentResourceInfo.readerName)) {
entityResourceHandlers.add(componentResourceInfo.createResourceHandler());
}
}
}
private ModelEntity buildEntity(
ResourceHandler entityResourceHandler, Element curEntityElement, int i, ModelInfo def)
throws GenericEntityException {
boolean isEntity = "entity".equals(curEntityElement.getNodeName());
String entityName = UtilXml.checkEmpty(curEntityElement.getAttribute("entity-name")).intern();
// add entityName to appropriate resourceHandlerEntities collection
Collection<String> resourceHandlerEntityNames =
resourceHandlerEntities.get(entityResourceHandler);
if (resourceHandlerEntityNames == null) {
resourceHandlerEntityNames = FastList.newInstance();
resourceHandlerEntities.put(entityResourceHandler, resourceHandlerEntityNames);
}
resourceHandlerEntityNames.add(entityName);
// check to see if entity with same name has already been read
if (entityCache.containsKey(entityName)) {
Debug.logWarning(
"WARNING: Entity "
+ entityName
+ " is defined more than once, most recent will over-write "
+ "previous definition(s)",
module);
Debug.logWarning(
"WARNING: Entity "
+ entityName
+ " was found in "
+ entityResourceHandler
+ ", but was already defined in "
+ entityResourceHandlerMap.get(entityName).toString(),
module);
}
// add entityName, entityFileName pair to entityResourceHandlerMap map
entityResourceHandlerMap.put(entityName, entityResourceHandler);
// utilTimer.timerString(" After entityEntityName -- " + i + " --");
// ModelEntity entity = createModelEntity(curEntity, utilTimer);
ModelEntity modelEntity = null;
if (isEntity) {
modelEntity = createModelEntity(curEntityElement, null, def);
} else {
modelEntity = createModelViewEntity(curEntityElement, null, def);
}
String resourceLocation = entityResourceHandler.getLocation();
try {
resourceLocation = entityResourceHandler.getURL().toExternalForm();
} catch (GenericConfigException e) {
Debug.logError(e, "Could not get resource URL", module);
}
// utilTimer.timerString(" After createModelEntity -- " + i + " --");
if (modelEntity != null) {
modelEntity.setLocation(resourceLocation);
// utilTimer.timerString(" After entityCache.put -- " + i + " --");
if (isEntity) {
if (Debug.verboseOn()) Debug.logVerbose("-- [Entity]: #" + i + ": " + entityName, module);
} else {
if (Debug.verboseOn())
Debug.logVerbose("-- [ViewEntity]: #" + i + ": " + entityName, module);
}
} else {
Debug.logWarning(
"-- -- ENTITYGEN ERROR:getModelEntity: Could not create "
+ "entity for entityName: "
+ entityName,
module);
}
return modelEntity;
}
public Map<String, ModelEntity> getEntityCache() throws GenericEntityException {
if (entityCache == null) { // don't want to block here
synchronized (ModelReader.class) {
// must check if null again as one of the blocked threads can still enter
if (entityCache == null) { // now it's safe
numEntities = 0;
numViewEntities = 0;
numFields = 0;
numRelations = 0;
numAutoRelations = 0;
entityCache = new HashMap<String, ModelEntity>();
List<ModelViewEntity> tempViewEntityList = FastList.newInstance();
List<Element> tempExtendEntityElementList = FastList.newInstance();
UtilTimer utilTimer = new UtilTimer();
for (ResourceHandler entityResourceHandler : entityResourceHandlers) {
// utilTimer.timerString("Before getDocument in file " + entityFileName);
Document document = null;
try {
document = entityResourceHandler.getDocument();
} catch (GenericConfigException e) {
throw new GenericEntityConfException(
"Error getting document from resource handler", e);
}
if (document == null) {
throw new GenericEntityConfException(
"Could not get document for " + entityResourceHandler.toString());
}
// utilTimer.timerString("Before getDocumentElement in " +
// entityResourceHandler.toString());
Element docElement = document.getDocumentElement();
if (docElement == null) {
return null;
}
docElement.normalize();
Node curChild = docElement.getFirstChild();
ModelInfo def = new ModelInfo();
def.populateFromElements(docElement);
int i = 0;
if (curChild != null) {
utilTimer.timerString(
"Before start of entity loop in " + entityResourceHandler.toString());
do {
boolean isEntity = "entity".equals(curChild.getNodeName());
boolean isViewEntity = "view-entity".equals(curChild.getNodeName());
boolean isExtendEntity = "extend-entity".equals(curChild.getNodeName());
if ((isEntity || isViewEntity) && curChild.getNodeType() == Node.ELEMENT_NODE) {
i++;
ModelEntity modelEntity =
buildEntity(entityResourceHandler, (Element) curChild, i, def);
// put the view entity in a list to get ready for the second pass to populate
// fields...
if (isViewEntity) {
tempViewEntityList.add((ModelViewEntity) modelEntity);
} else {
entityCache.put(modelEntity.getEntityName(), modelEntity);
}
} else if (isExtendEntity && curChild.getNodeType() == Node.ELEMENT_NODE) {
tempExtendEntityElementList.add((Element) curChild);
}
} while ((curChild = curChild.getNextSibling()) != null);
} else {
Debug.logWarning("No child nodes found.", module);
}
utilTimer.timerString(
"Finished "
+ entityResourceHandler.toString()
+ " - Total Entities: "
+ i
+ " FINISHED");
}
// all entity elements in, now go through extend-entity elements and add their stuff
for (Element extendEntityElement : tempExtendEntityElementList) {
String entityName = UtilXml.checkEmpty(extendEntityElement.getAttribute("entity-name"));
ModelEntity modelEntity = entityCache.get(entityName);
if (modelEntity == null)
throw new GenericEntityConfException(
"Entity to extend does not exist: " + entityName);
modelEntity.addExtendEntity(this, extendEntityElement);
}
// do a pass on all of the view entities now that all of the entities have
// loaded and populate the fields
while (!tempViewEntityList.isEmpty()) {
int startSize = tempViewEntityList.size();
Iterator<ModelViewEntity> mveIt = tempViewEntityList.iterator();
TEMP_VIEW_LOOP:
while (mveIt.hasNext()) {
ModelViewEntity curViewEntity = mveIt.next();
for (ModelViewEntity.ModelMemberEntity mve :
curViewEntity.getAllModelMemberEntities()) {
if (!entityCache.containsKey(mve.getEntityName())) {
continue TEMP_VIEW_LOOP;
}
}
mveIt.remove();
curViewEntity.populateFields(this);
for (ModelViewEntity.ModelMemberEntity mve :
curViewEntity.getAllModelMemberEntities()) {
ModelEntity me = (ModelEntity) entityCache.get(mve.getEntityName());
me.addViewEntity(curViewEntity);
}
entityCache.put(curViewEntity.getEntityName(), curViewEntity);
}
if (tempViewEntityList.size() == startSize) {
// Oops, the remaining views reference other entities
// that can't be found, or they reference other views
// that have some reference problem.
break;
}
}
if (!tempViewEntityList.isEmpty()) {
StringBuilder sb = new StringBuilder("View entities reference non-existant members:\n");
Set<String> allViews = FastSet.newInstance();
for (ModelViewEntity curViewEntity : tempViewEntityList) {
allViews.add(curViewEntity.getEntityName());
}
for (ModelViewEntity curViewEntity : tempViewEntityList) {
Set<String> perViewMissingEntities = FastSet.newInstance();
Iterator<ModelViewEntity.ModelMemberEntity> mmeIt =
curViewEntity.getAllModelMemberEntities().iterator();
while (mmeIt.hasNext()) {
ModelViewEntity.ModelMemberEntity mme = mmeIt.next();
String memberEntityName = mme.getEntityName();
if (!entityCache.containsKey(memberEntityName)) {
// this member is not a real entity
// check to see if it is a view
if (!allViews.contains(memberEntityName)) {
// not a view, it's a real missing entity
perViewMissingEntities.add(memberEntityName);
}
}
}
for (String perViewMissingEntity : perViewMissingEntities) {
sb.append("\t[")
.append(curViewEntity.getEntityName())
.append("] missing member entity [")
.append(perViewMissingEntity)
.append("]\n");
}
}
throw new GenericEntityConfException(sb.toString());
}
// auto-create relationships
TreeSet<String> orderedMessages = new TreeSet<String>();
for (String curEntityName : new TreeSet<String>(this.getEntityNames())) {
ModelEntity curModelEntity = this.getModelEntity(curEntityName);
if (curModelEntity instanceof ModelViewEntity) {
// for view-entities auto-create relationships for all member-entity relationships
// that have all corresponding fields in the view-entity
} else {
// for entities auto-create many relationships for all type one relationships
// just in case we add a new relation to the same entity, keep in a separate list and
// add them at the end
List<ModelRelation> newSameEntityRelations = FastList.newInstance();
Iterator<ModelRelation> relationsIter = curModelEntity.getRelationsIterator();
while (relationsIter.hasNext()) {
ModelRelation modelRelation = relationsIter.next();
if (("one".equals(modelRelation.getType())
|| "one-nofk".equals(modelRelation.getType()))
&& !modelRelation.isAutoRelation()) {
ModelEntity relatedEnt = null;
try {
relatedEnt = this.getModelEntity(modelRelation.getRelEntityName());
} catch (GenericModelException e) {
throw new GenericModelException(
"Error getting related entity ["
+ modelRelation.getRelEntityName()
+ "] definition from entity ["
+ curEntityName
+ "]",
e);
}
if (relatedEnt != null) {
// don't do relationship to the same entity, unless title is "Parent", then do a
// "Child" automatically
String targetTitle = modelRelation.getTitle();
if (curModelEntity.getEntityName().equals(relatedEnt.getEntityName())
&& "Parent".equals(targetTitle)) {
targetTitle = "Child";
}
// create the new relationship even if one exists so we can show what we are
// looking for in the info message
ModelRelation newRel = new ModelRelation();
newRel.setModelEntity(relatedEnt);
newRel.setRelEntityName(curModelEntity.getEntityName());
newRel.setTitle(targetTitle);
newRel.setAutoRelation(true);
Set<String> curEntityKeyFields = FastSet.newInstance();
for (int kmn = 0; kmn < modelRelation.getKeyMapsSize(); kmn++) {
ModelKeyMap curkm = modelRelation.getKeyMap(kmn);
ModelKeyMap newkm = new ModelKeyMap();
newRel.addKeyMap(newkm);
newkm.setFieldName(curkm.getRelFieldName());
newkm.setRelFieldName(curkm.getFieldName());
curEntityKeyFields.add(curkm.getFieldName());
}
// decide whether it should be one or many by seeing if the key map represents
// the complete pk of the relEntity
if (curModelEntity.containsAllPkFieldNames(curEntityKeyFields)) {
// always use one-nofk, we don't want auto-fks getting in for these automatic
// ones
newRel.setType("one-nofk");
// to keep it clean, remove any additional keys that aren't part of the PK
List<String> curPkFieldNames = curModelEntity.getPkFieldNames();
Iterator<ModelKeyMap> nrkmIter = newRel.getKeyMapsIterator();
while (nrkmIter.hasNext()) {
ModelKeyMap nrkm = nrkmIter.next();
String checkField = nrkm.getRelFieldName();
if (!curPkFieldNames.contains(checkField)) {
nrkmIter.remove();
}
}
} else {
newRel.setType("many");
}
ModelRelation existingRelation =
relatedEnt.getRelation(targetTitle + curModelEntity.getEntityName());
if (existingRelation == null) {
numAutoRelations++;
if (curModelEntity.getEntityName().equals(relatedEnt.getEntityName())) {
newSameEntityRelations.add(newRel);
} else {
relatedEnt.addRelation(newRel);
}
} else {
if (newRel.equals(existingRelation)) {
// don't warn if the target title+entity = current title+entity
if (!(targetTitle + curModelEntity.getEntityName())
.equals(modelRelation.getTitle() + modelRelation.getRelEntityName())) {
// String errorMsg = "Relation already exists to entity [] with title [" +
// targetTitle + "],from entity []";
String message =
"Entity ["
+ relatedEnt.getPackageName()
+ ":"
+ relatedEnt.getEntityName()
+ "] already has identical relationship to entity ["
+ curModelEntity.getEntityName()
+ "] title ["
+ targetTitle
+ "]; would auto-create: type ["
+ newRel.getType()
+ "] and fields ["
+ newRel.keyMapString(",", "")
+ "]";
orderedMessages.add(message);
}
} else {
String message =
"Existing relationship with the same name, but different specs found from what would be auto-created for Entity ["
+ relatedEnt.getEntityName()
+ "] and relationship to entity ["
+ curModelEntity.getEntityName()
+ "] title ["
+ targetTitle
+ "]; would auto-create: type ["
+ newRel.getType()
+ "] and fields ["
+ newRel.keyMapString(",", "")
+ "]";
Debug.logVerbose(message, module);
}
}
} else {
String errorMsg =
"Could not find related entity ["
+ modelRelation.getRelEntityName()
+ "], no reverse relation added.";
Debug.logWarning(errorMsg, module);
}
}
}
if (newSameEntityRelations.size() > 0) {
for (ModelRelation newRel : newSameEntityRelations) {
curModelEntity.addRelation(newRel);
}
}
}
}
for (String message : orderedMessages) {
Debug.logInfo(message, module);
}
Debug.log(
"FINISHED LOADING ENTITIES - ALL FILES; #Entities="
+ numEntities
+ " #ViewEntities="
+ numViewEntities
+ " #Fields="
+ numFields
+ " #Relationships="
+ numRelations
+ " #AutoRelationships="
+ numAutoRelations,
module);
}
}
}
return entityCache;
}
/**
* rebuilds the resourceHandlerEntities Map of Collections based on the current
* entityResourceHandlerMap Map, must be done whenever a manual change is made to the
* entityResourceHandlerMap Map after the initial load to make them consistent again.
*/
public void rebuildResourceHandlerEntities() {
resourceHandlerEntities = FastMap.newInstance();
Iterator<Map.Entry<String, ResourceHandler>> entityResourceIter =
entityResourceHandlerMap.entrySet().iterator();
while (entityResourceIter.hasNext()) {
Map.Entry<String, ResourceHandler> entry = entityResourceIter.next();
// add entityName to appropriate resourceHandlerEntities collection
Collection<String> resourceHandlerEntityNames = resourceHandlerEntities.get(entry.getValue());
if (resourceHandlerEntityNames == null) {
resourceHandlerEntityNames = FastList.newInstance();
resourceHandlerEntities.put(entry.getValue(), resourceHandlerEntityNames);
}
resourceHandlerEntityNames.add(entry.getKey());
}
}
public Iterator<ResourceHandler> getResourceHandlerEntitiesKeyIterator() {
if (resourceHandlerEntities == null) return null;
return resourceHandlerEntities.keySet().iterator();
}
public Collection<String> getResourceHandlerEntities(ResourceHandler resourceHandler) {
if (resourceHandlerEntities == null) return null;
return resourceHandlerEntities.get(resourceHandler);
}
public void addEntityToResourceHandler(String entityName, String loaderName, String location) {
entityResourceHandlerMap.put(
entityName,
new MainResourceHandler(EntityConfigUtil.ENTITY_ENGINE_XML_FILENAME, loaderName, location));
}
public ResourceHandler getEntityResourceHandler(String entityName) {
return entityResourceHandlerMap.get(entityName);
}
/**
* Gets an Entity object based on a definition from the specified XML Entity descriptor file.
*
* @param entityName The entityName of the Entity definition to use.
* @return An Entity object describing the specified entity of the specified descriptor file.
*/
public ModelEntity getModelEntity(String entityName) throws GenericEntityException {
if (entityName == null) {
throw new IllegalArgumentException("Tried to find entity definition for a null entityName");
}
Map<String, ModelEntity> ec = getEntityCache();
if (ec == null) {
throw new GenericEntityConfException("ERROR: Unable to load Entity Cache");
}
ModelEntity modelEntity = ec.get(entityName);
if (modelEntity == null) {
String errMsg = "Could not find definition for entity name " + entityName;
// Debug.logError(new Exception("Placeholder"), errMsg, module);
throw new GenericModelException(errMsg);
}
return modelEntity;
}
public ModelEntity getModelEntityNoCheck(String entityName) {
Map<String, ModelEntity> ec = null;
try {
ec = getEntityCache();
} catch (GenericEntityException e) {
Debug.logError(e, "Error getting entity cache", module);
}
if (ec == null) {
return null;
}
ModelEntity modelEntity = ec.get(entityName);
return modelEntity;
}
/**
* Creates a Iterator with the entityName of each Entity defined in the specified XML Entity
* Descriptor file.
*
* @return A Iterator of entityName Strings
*/
public Iterator<String> getEntityNamesIterator() throws GenericEntityException {
Collection<String> collection = getEntityNames();
if (collection != null) {
return collection.iterator();
} else {
return null;
}
}
/**
* Creates a Set with the entityName of each Entity defined in the specified XML Entity Descriptor
* file.
*
* @return A Set of entityName Strings
*/
public Set<String> getEntityNames() throws GenericEntityException {
Map<String, ModelEntity> ec = getEntityCache();
if (ec == null) {
throw new GenericEntityConfException("ERROR: Unable to load Entity Cache");
}
return ec.keySet();
}
/** Get all entities, organized by package */
public Map<String, TreeSet<String>> getEntitiesByPackage(
Set<String> packageFilterSet, Set<String> entityFilterSet) throws GenericEntityException {
Map<String, TreeSet<String>> entitiesByPackage = FastMap.newInstance();
// put the entityNames TreeSets in a HashMap by packageName
Iterator<String> ecIter = this.getEntityNames().iterator();
while (ecIter.hasNext()) {
String entityName = ecIter.next();
ModelEntity entity = this.getModelEntity(entityName);
String packageName = entity.getPackageName();
if (UtilValidate.isNotEmpty(packageFilterSet)) {
// does it match any of these?
boolean foundMatch = false;
for (String packageFilter : packageFilterSet) {
if (packageName.contains(packageFilter)) {
foundMatch = true;
}
}
if (!foundMatch) {
// Debug.logInfo("Not including entity " + entityName + " becuase it is not in the package
// set: " + packageFilterSet, module);
continue;
}
}
if (UtilValidate.isNotEmpty(entityFilterSet) && !entityFilterSet.contains(entityName)) {
// Debug.logInfo("Not including entity " + entityName + " becuase it is not in the entity
// set: " + entityFilterSet, module);
continue;
}
TreeSet<String> entities = entitiesByPackage.get(entity.getPackageName());
if (entities == null) {
entities = new TreeSet<String>();
entitiesByPackage.put(entity.getPackageName(), entities);
}
entities.add(entityName);
}
return entitiesByPackage;
}
/**
* Util method to validate an entity name; if no entity is found with the name, characters are
* stripped from the beginning of the name until a valid entity name is found. It is intended to
* be used to determine the entity name from a relation name.
*
* @return A valid entityName or null
*/
public String validateEntityName(String entityName) throws GenericEntityException {
if (entityName == null) {
return null;
}
Set<String> allEntities = this.getEntityNames();
while (!allEntities.contains(entityName) && entityName.length() > 0) {
entityName = entityName.substring(1);
}
return (entityName.length() > 0 ? entityName : null);
}
ModelEntity createModelEntity(Element entityElement, UtilTimer utilTimer, ModelInfo def) {
if (entityElement == null) return null;
this.numEntities++;
ModelEntity entity = new ModelEntity(this, entityElement, utilTimer, def);
return entity;
}
ModelEntity createModelViewEntity(Element entityElement, UtilTimer utilTimer, ModelInfo def) {
if (entityElement == null) return null;
this.numViewEntities++;
ModelViewEntity entity = new ModelViewEntity(this, entityElement, utilTimer, def);
return entity;
}
public ModelRelation createRelation(ModelEntity entity, Element relationElement) {
this.numRelations++;
ModelRelation relation = new ModelRelation(entity, relationElement);
return relation;
}
public ModelUniqueKey createUniqueKey(ModelEntity entity, Element uniqueKeyElement) {
this.numUniqueKeys++;
ModelUniqueKey relation = new ModelUniqueKey(entity, uniqueKeyElement);
return relation;
}
public ModelField findModelField(ModelEntity entity, String fieldName) {
for (ModelField field : entity.fields) {
if (field.name.compareTo(fieldName) == 0) {
return field;
}
}
return null;
}
public ModelField createModelField(String name, String type, String colName, boolean isPk) {
this.numFields++;
ModelField field = new ModelField(name, type, colName, isPk);
return field;
}
public ModelField createModelField(Element fieldElement) {
if (fieldElement == null) {
return null;
}
this.numFields++;
ModelField field = new ModelField(fieldElement);
return field;
}
}
/** Widget Library - Screen model HTML class. */
@SuppressWarnings("serial")
public class HtmlWidget extends ModelScreenWidget {
public static final String module = HtmlWidget.class.getName();
public static UtilCache<String, Template> specialTemplateCache =
UtilCache.createUtilCache("widget.screen.template.ftl.general", 0, 0, false);
protected static BeansWrapper specialBeansWrapper = new ExtendedWrapper();
protected static Configuration specialConfig =
FreeMarkerWorker.makeConfiguration(specialBeansWrapper);
// not sure if this is the best way to get FTL to use my fancy MapModel derivative, but should
// work at least...
public static class ExtendedWrapper extends BeansWrapper {
@Override
public TemplateModel wrap(Object object) throws TemplateModelException {
/* NOTE: don't use this and the StringHtmlWrapperForFtl or things will be double-encoded
if (object instanceof GenericValue) {
return new GenericValueHtmlWrapperForFtl((GenericValue) object, this);
}*/
// This StringHtmlWrapperForFtl option seems to be the best option
// and handles most things without causing too many problems
if (object instanceof String) {
return new StringHtmlWrapperForFtl((String) object, this);
}
return super.wrap(object);
}
}
public static class StringHtmlWrapperForFtl extends StringModel {
public StringHtmlWrapperForFtl(String str, BeansWrapper wrapper) {
super(str, wrapper);
}
@Override
public String getAsString() {
return StringUtil.htmlEncoder.encode(super.getAsString());
}
}
// End Static, begin class section
protected List<ModelScreenWidget> subWidgets = new ArrayList<ModelScreenWidget>();
public HtmlWidget(ModelScreen modelScreen, Element htmlElement) {
super(modelScreen, htmlElement);
List<? extends Element> childElementList = UtilXml.childElementList(htmlElement);
for (Element childElement : childElementList) {
if ("html-template".equals(childElement.getNodeName())) {
this.subWidgets.add(new HtmlTemplate(modelScreen, childElement));
} else if ("html-template-decorator".equals(childElement.getNodeName())) {
this.subWidgets.add(new HtmlTemplateDecorator(modelScreen, childElement));
} else {
throw new IllegalArgumentException(
"Tag not supported under the platform-specific -> html tag with name: "
+ childElement.getNodeName());
}
}
}
@Override
public void renderWidgetString(
Appendable writer, Map<String, Object> context, ScreenStringRenderer screenStringRenderer)
throws GeneralException, IOException {
for (ModelScreenWidget subWidget : subWidgets) {
subWidget.renderWidgetString(writer, context, screenStringRenderer);
}
}
@Override
public String rawString() {
StringBuilder buffer = new StringBuilder("<html-widget>");
for (ModelScreenWidget subWidget : subWidgets) {
buffer.append(subWidget.rawString());
}
buffer.append("</html-widget>");
return buffer.toString();
}
public static void renderHtmlTemplate(
Appendable writer, FlexibleStringExpander locationExdr, Map<String, Object> context) {
String location = locationExdr.expandString(context);
// Debug.logInfo("Rendering template at location [" + location + "] with context: \n" + context,
// module);
if (UtilValidate.isEmpty(location)) {
throw new IllegalArgumentException("Template location is empty");
}
/*
// =======================================================================
// Go through the context and find GenericValue objects and wrap them
// NOTE PROBLEM: there are still problems with this as it gets some things
// but does not get non-entity data including lots of strings
// directly in the context or things prepared or derived right in
// the FTL file, like the results of service calls, etc; we could
// do something more aggressive to encode and wrap EVERYTHING in
// the context, but I've been thinking that even this is too much
// overhead and that would be crazy
// NOTE ALTERNATIVE1: considering instead to use the FTL features to wrap
// everything in an <#escape x as x?html>...</#escape>, but that could
// cause problems with ${} expansions that have HTML in them, including:
// included screens (using ${screens.render(...)}), content that should
// have HTML in it (lots of general, product, category, etc content), etc
// NOTE ALTERNATIVE2: kind of like the "#escape X as x?html" option,
// implement an FTL *Model class and load it through a ObjectWrapper
// FINAL NOTE: after testing all of these alternatives, this one seems
// to behave the best, so going with that for now.
// isolate the scope so these wrapper objects go away after rendering is done
MapStack<String> contextMs;
if (!(context instanceof MapStack)) {
contextMs = MapStack.create(context);
context = contextMs;
} else {
contextMs = UtilGenerics.cast(context);
}
contextMs.push();
for(Map.Entry<String, Object> mapEntry: contextMs.entrySet()) {
Object value = mapEntry.getValue();
if (value instanceof GenericValue) {
contextMs.put(mapEntry.getKey(), GenericValueHtmlWrapper.create((GenericValue) value));
} else if (value instanceof List) {
if (((List) value).size() > 0 && ((List) value).get(0) instanceof GenericValue) {
List<GenericValue> theList = (List<GenericValue>) value;
List<GenericValueHtmlWrapper> newList = FastList.newInstance();
for (GenericValue gv: theList) {
newList.add(GenericValueHtmlWrapper.create(gv));
}
contextMs.put(mapEntry.getKey(), newList);
}
}
// TODO and NOTE: should get most stuff, but we could support Maps
// and Lists in Maps and such; that's tricky because we have to go
// through the entire Map and not just one entry, and we would
// have to shallow copy the whole Map too
}
// this line goes at the end of the method, but moved up here to be part of the big comment about this
contextMs.pop();
*/
if (location.endsWith(".ftl")) {
try {
Map<String, ? extends Object> parameters = UtilGenerics.checkMap(context.get("parameters"));
boolean insertWidgetBoundaryComments =
ModelWidget.widgetBoundaryCommentsEnabled(parameters);
if (insertWidgetBoundaryComments) {
writer.append(HtmlWidgetRenderer.formatBoundaryComment("Begin", "Template", location));
}
// FreeMarkerWorker.renderTemplateAtLocation(location, context, writer);
Template template = null;
if (location.endsWith(".fo.ftl")) { // FOP can't render correctly escaped characters
template = FreeMarkerWorker.getTemplate(location);
} else {
template = FreeMarkerWorker.getTemplate(location, specialTemplateCache, specialConfig);
}
FreeMarkerWorker.renderTemplate(template, context, writer);
if (insertWidgetBoundaryComments) {
writer.append(HtmlWidgetRenderer.formatBoundaryComment("End", "Template", location));
}
} catch (IllegalArgumentException e) {
String errMsg =
"Error rendering included template at location [" + location + "]: " + e.toString();
Debug.logError(e, errMsg, module);
writeError(writer, errMsg);
} catch (MalformedURLException e) {
String errMsg =
"Error rendering included template at location [" + location + "]: " + e.toString();
Debug.logError(e, errMsg, module);
writeError(writer, errMsg);
} catch (TemplateException e) {
String errMsg =
"Error rendering included template at location [" + location + "]: " + e.toString();
Debug.logError(e, errMsg, module);
writeError(writer, errMsg);
} catch (IOException e) {
String errMsg =
"Error rendering included template at location [" + location + "]: " + e.toString();
Debug.logError(e, errMsg, module);
writeError(writer, errMsg);
}
} else {
throw new IllegalArgumentException(
"Rendering not yet supported for the template at location: " + location);
}
}
// TODO: We can make this more fancy, but for now this is very functional
public static void writeError(Appendable writer, String message) {
try {
writer.append(message);
} catch (IOException e) {
}
}
public static class HtmlTemplate extends ModelScreenWidget {
protected FlexibleStringExpander locationExdr;
public HtmlTemplate(ModelScreen modelScreen, Element htmlTemplateElement) {
super(modelScreen, htmlTemplateElement);
this.locationExdr =
FlexibleStringExpander.getInstance(htmlTemplateElement.getAttribute("location"));
}
@Override
public void renderWidgetString(
Appendable writer, Map<String, Object> context, ScreenStringRenderer screenStringRenderer) {
renderHtmlTemplate(writer, this.locationExdr, context);
}
@Override
public String rawString() {
return "<html-template location=\"" + this.locationExdr.getOriginal() + "\"/>";
}
}
public static class HtmlTemplateDecorator extends ModelScreenWidget {
protected FlexibleStringExpander locationExdr;
protected Map<String, HtmlTemplateDecoratorSection> sectionMap = FastMap.newInstance();
public HtmlTemplateDecorator(ModelScreen modelScreen, Element htmlTemplateDecoratorElement) {
super(modelScreen, htmlTemplateDecoratorElement);
this.locationExdr =
FlexibleStringExpander.getInstance(htmlTemplateDecoratorElement.getAttribute("location"));
List<? extends Element> htmlTemplateDecoratorSectionElementList =
UtilXml.childElementList(htmlTemplateDecoratorElement, "html-template-decorator-section");
for (Element htmlTemplateDecoratorSectionElement : htmlTemplateDecoratorSectionElementList) {
String name = htmlTemplateDecoratorSectionElement.getAttribute("name");
this.sectionMap.put(
name,
new HtmlTemplateDecoratorSection(modelScreen, htmlTemplateDecoratorSectionElement));
}
}
@Override
public void renderWidgetString(
Appendable writer, Map<String, Object> context, ScreenStringRenderer screenStringRenderer) {
// isolate the scope
MapStack<String> contextMs;
if (!(context instanceof MapStack)) {
contextMs = MapStack.create(context);
context = contextMs;
} else {
contextMs = UtilGenerics.cast(context);
}
// create a standAloneStack, basically a "save point" for this SectionsRenderer, and make a
// new "screens" object just for it so it is isolated and doesn't follow the stack down
MapStack<String> standAloneStack = contextMs.standAloneChildStack();
standAloneStack.put(
"screens", new ScreenRenderer(writer, standAloneStack, screenStringRenderer));
SectionsRenderer sections =
new SectionsRenderer(this.sectionMap, standAloneStack, writer, screenStringRenderer);
// put the sectionMap in the context, make sure it is in the sub-scope, ie after calling push
// on the MapStack
contextMs.push();
context.put("sections", sections);
renderHtmlTemplate(writer, this.locationExdr, context);
contextMs.pop();
}
@Override
public String rawString() {
return "<html-template-decorator location=\"" + this.locationExdr.getOriginal() + "\"/>";
}
}
public static class HtmlTemplateDecoratorSection extends ModelScreenWidget {
protected String name;
protected List<ModelScreenWidget> subWidgets;
public HtmlTemplateDecoratorSection(
ModelScreen modelScreen, Element htmlTemplateDecoratorSectionElement) {
super(modelScreen, htmlTemplateDecoratorSectionElement);
this.name = htmlTemplateDecoratorSectionElement.getAttribute("name");
// read sub-widgets
List<? extends Element> subElementList =
UtilXml.childElementList(htmlTemplateDecoratorSectionElement);
this.subWidgets = ModelScreenWidget.readSubWidgets(this.modelScreen, subElementList);
}
@Override
public void renderWidgetString(
Appendable writer, Map<String, Object> context, ScreenStringRenderer screenStringRenderer)
throws GeneralException, IOException {
// render sub-widgets
renderSubWidgetsString(this.subWidgets, writer, context, screenStringRenderer);
}
@Override
public String rawString() {
return "<html-template-decorator-section name=\"" + this.name + "\"/>";
}
}
}
/** Performs regular expression matching and compiled regular expression pattern caching. */
public class CompilerMatcher {
public static final String module = CompilerMatcher.class.getName();
private static final UtilCache<String, Pattern> compiledPatterns =
UtilCache.createUtilCache("regularExpression.compiledPatterns", false);
private Perl5Compiler compiler = new Perl5Compiler();
private Perl5Matcher matcher = new Perl5Matcher();
private Perl5Util perl5Util = new Perl5Util();
/**
* This class is *not* thread-safe so it must be accessed from a java.lang.ThreadLocal instance
* for multi-thread usage. ThreadLocal causes slightly extra memory usage, but allows for faster
* thread-safe processing than synchronization would afford.
*
* @return returns the ThreadLocal
*/
public static ThreadLocal<CompilerMatcher> getThreadLocal() {
return new ThreadLocal<CompilerMatcher>() {
@Override
protected CompilerMatcher initialValue() {
return new CompilerMatcher();
}
};
}
/**
* Returns true if the compiled version of the patternString regular expression argument matches
* the aString argument. Case sensitive
*
* @param aString a string
* @param patternString a string pattern
* @return returns true if the compiled version of the patternString regular expression argument
* matches the aString argument
* @throws MalformedPatternException
*/
public boolean matches(String aString, String patternString) throws MalformedPatternException {
return this.matches(aString, patternString, true);
}
/**
* Returns true if the compiled version of the patternString regular expression argument matches
* the aString argument.
*
* @param aString a string
* @param patternString a string pattern
* @param caseSensitive case sensitive true/false
* @return returns true if the compiled version of the patternString regular expression argument
* matches the aString argument
* @throws MalformedPatternException
*/
public boolean matches(String aString, String patternString, boolean caseSensitive)
throws MalformedPatternException {
return this.matcher.matches(aString, this.getTestPattern(patternString, caseSensitive));
}
/**
* Returns true if the compiled version of the patternString regular expression argument is
* contained in the aString argument.
*
* @param aString a string
* @param patternString a pattern string
* @return Returns true if the compiled version of the patternString regular expression argument
* is contained in the aString argument
* @throws MalformedPatternException
*/
public boolean contains(String aString, String patternString) throws MalformedPatternException {
return this.matcher.contains(aString, this.getTestPattern(patternString));
}
/**
* Compiles and caches a case sensitive regexp pattern for the given string pattern.
*
* @param stringPattern a pattern string
* @return compiles and caches a case sensitive regexp pattern for the given string pattern
* @throws MalformedPatternException
*/
private Pattern getTestPattern(String stringPattern) throws MalformedPatternException {
return this.getTestPattern(stringPattern, true);
}
/**
* Compiles and caches a regexp pattern for the given string pattern.
*
* @param stringPattern a pattern string
* @param caseSensitive case sensitive true/false
* @return compiles and caches a regexp pattern for the given string pattern
* @throws MalformedPatternException
*/
private Pattern getTestPattern(String stringPattern, boolean caseSensitive)
throws MalformedPatternException {
Pattern pattern = compiledPatterns.get(stringPattern);
if (pattern == null) {
if (caseSensitive) {
pattern = compiler.compile(stringPattern);
} else {
pattern = compiler.compile(stringPattern, Perl5Compiler.CASE_INSENSITIVE_MASK);
}
compiledPatterns.put(stringPattern, pattern);
Debug.logVerbose(
"Compiled and cached a pattern: '" + stringPattern + "' - " + Thread.currentThread(),
module);
}
return pattern;
}
/**
* Perl5Util's substitute() function implements Perl's s/// operator. It takes two arguments: a
* substitution expression, and an input.
*
* @param stringPattern a pattern string
* @param input the input string
* @return returns the perl5Util's substitute() function implements Perl's
*/
public String substitute(String stringPattern, String input) {
return this.perl5Util.substitute(stringPattern, input);
}
}
/**
* Expands String values that contain Unified Expression Language (JSR 245) syntax. This class also
* supports the execution of bsh scripts by using the 'bsh:' prefix, and Groovy scripts by using the
* 'groovy:' prefix. Further it is possible to control the output by specifying the suffix
* '?currency(XXX)' to format the output according to the supplied locale and specified (XXX)
* currency.
*
* <p>This class extends the UEL by allowing nested expressions.
*/
@SourceMonitored
@SuppressWarnings("serial")
public abstract class FlexibleStringExpander implements Serializable {
public static final String module = FlexibleStringExpander.class.getName();
public static final String openBracket = "${";
public static final String closeBracket = "}";
protected static final UtilCache<Key, FlexibleStringExpander> exprCache =
UtilCache.createUtilCache("flexibleStringExpander.ExpressionCache");
protected static final FlexibleStringExpander nullExpr = new ConstSimpleElem(new char[0]);
/**
* Evaluate an expression and return the result as a <code>String</code>. Null expressions return
* <code>null</code>. A null <code>context</code> argument will return the original expression.
*
* <p>Note that the behavior of this method is not the same as using <code>
* FlexibleStringExpander.getInstance(expression).expandString(context)</code> because it returns
* <code>null</code> when given a null <code>expression</code> argument, and <code>
* FlexibleStringExpander.getInstance(expression).expandString(context)</code> returns an empty
* <code>String</code>.
*
* @param expression The original expression
* @param context The evaluation context
* @return The original expression's evaluation result as a <code>String</code>
*/
public static String expandString(String expression, Map<String, ? extends Object> context) {
return expandString(expression, context, null, null);
}
/**
* Evaluate an expression and return the result as a <code>String</code>. Null expressions return
* <code>null</code>. A null <code>context</code> argument will return the original expression.
*
* <p>Note that the behavior of this method is not the same as using <code>
* FlexibleStringExpander.getInstance(expression).expandString(context, locale)</code> because it
* returns <code>null</code> when given a null <code>expression</code> argument, and <code>
* FlexibleStringExpander.getInstance(expression).expandString(context, locale)</code> returns an
* empty <code>String</code>.
*
* @param expression The original expression
* @param context The evaluation context
* @param locale The locale to be used for localization
* @return The original expression's evaluation result as a <code>String</code>
*/
public static String expandString(
String expression, Map<String, ? extends Object> context, Locale locale) {
return expandString(expression, context, null, locale);
}
/**
* Evaluate an expression and return the result as a <code>String</code>. Null expressions return
* <code>null</code>. A null <code>context</code> argument will return the original expression.
*
* <p>Note that the behavior of this method is not the same as using <code>
* FlexibleStringExpander.getInstance(expression).expandString(context, timeZone locale)</code>
* because it returns <code>null</code> when given a null <code>expression</code> argument, and
* <code>FlexibleStringExpander.getInstance(expression).expandString(context, timeZone, locale)
* </code> returns an empty <code>String</code>.
*
* @param expression The original expression
* @param context The evaluation context
* @param timeZone The time zone to be used for localization
* @param locale The locale to be used for localization
* @return The original expression's evaluation result as a <code>String</code>
*/
public static String expandString(
String expression, Map<String, ? extends Object> context, TimeZone timeZone, Locale locale) {
if (expression == null) {
return "";
}
if (context == null || !expression.contains(openBracket)) {
return expression;
}
FlexibleStringExpander fse = FlexibleStringExpander.getInstance(expression);
return fse.expandString(context, timeZone, locale);
}
/**
* Returns a <code>FlexibleStringExpander</code> object.
*
* <p>A null or empty argument will return a <code>FlexibleStringExpander</code> object that
* represents an empty expression. That object is a shared singleton, so there is no memory or
* performance penalty in using it.
*
* <p>If the method is passed a <code>String</code> argument that doesn't contain an expression,
* the <code>FlexibleStringExpander</code> object that is returned does not perform any
* evaluations on the original <code>String</code> - any methods that return a <code>String</code>
* will return the original <code>String</code>. The object returned by this method is very
* compact - taking less memory than the original <code>String</code>.
*
* @param expression The original expression
* @return A <code>FlexibleStringExpander</code> instance
*/
public static FlexibleStringExpander getInstance(String expression) {
return getInstance(expression, true);
}
/* Returns a <code>FlexibleStringExpander</code> object. <p>A null or
* empty argument will return a <code>FlexibleStringExpander</code>
* object that represents an empty expression. That object is a shared
* singleton, so there is no memory or performance penalty in using it.</p>
* <p>If the method is passed a <code>String</code> argument that doesn't
* contain an expression, the <code>FlexibleStringExpander</code> object
* that is returned does not perform any evaluations on the original
* <code>String</code> - any methods that return a <code>String</code>
* will return the original <code>String</code>. The object returned by
* this method is very compact - taking less memory than the original
* <code>String</code>.</p>
*
* @param expression The original expression
* @param useCache whether to store things into a global cache
* @return A <code>FlexibleStringExpander</code> instance
*/
public static FlexibleStringExpander getInstance(String expression, boolean useCache) {
if (UtilValidate.isEmpty(expression)) {
return nullExpr;
}
return getInstance(expression, expression.toCharArray(), 0, expression.length(), useCache);
}
private static FlexibleStringExpander getInstance(
String expression, char[] chars, int offset, int length, boolean useCache) {
if (length == 0) {
return nullExpr;
}
if (!useCache) {
return parse(chars, offset, length);
}
// Remove the next nine lines to cache all expressions
if (!expression.contains(openBracket)) {
if (chars.length == length) {
return new ConstSimpleElem(chars);
} else {
return new ConstOffsetElem(chars, offset, length);
}
}
Key key = chars.length == length ? new SimpleKey(chars) : new OffsetKey(chars, offset, length);
FlexibleStringExpander fse = exprCache.get(key);
if (fse == null) {
exprCache.put(key, parse(chars, offset, length));
fse = exprCache.get(key);
}
return fse;
}
private abstract static class Key {
@Override
public final boolean equals(Object o) {
// No class test here, nor null, as this class is only used
// internally
return toString().equals(o.toString());
}
@Override
public final int hashCode() {
return toString().hashCode();
}
}
private static final class SimpleKey extends Key {
private final char[] chars;
protected SimpleKey(char[] chars) {
this.chars = chars;
}
@Override
public String toString() {
return new String(chars);
}
}
private static final class OffsetKey extends Key {
private final char[] chars;
private final int offset;
private final int length;
protected OffsetKey(char[] chars, int offset, int length) {
this.chars = chars;
this.offset = offset;
this.length = length;
}
@Override
public String toString() {
return new String(chars, offset, length);
}
}
private static FlexibleStringExpander parse(char[] chars, int offset, int length) {
FlexibleStringExpander[] strElems = getStrElems(chars, offset, length);
if (strElems.length == 1) {
return strElems[0];
} else {
return new Elements(chars, offset, length, strElems);
}
}
protected static FlexibleStringExpander[] getStrElems(char[] chars, int offset, int length) {
String expression = new String(chars, 0, length + offset);
int start = expression.indexOf(openBracket, offset);
if (start == -1) {
return new FlexibleStringExpander[] {new ConstOffsetElem(chars, offset, length)};
}
int origLen = length;
ArrayList<FlexibleStringExpander> strElems = new ArrayList<FlexibleStringExpander>();
int currentInd = offset;
int end = -1;
while (start != -1) {
end = expression.indexOf(closeBracket, start);
if (end == -1) {
Debug.logWarning(
"Found a ${ without a closing } (curly-brace) in the String: " + expression, module);
break;
}
// Check for escaped expression
boolean escapedExpression = (start - 1 >= 0 && expression.charAt(start - 1) == '\\');
if (start > currentInd) {
// append everything from the current index to the start of the expression
strElems.add(
new ConstOffsetElem(
chars, currentInd, (escapedExpression ? start - 1 : start) - currentInd));
}
if (expression.indexOf("bsh:", start + 2) == start + 2 && !escapedExpression) {
// checks to see if this starts with a "bsh:", if so treat the rest of the expression as a
// bsh scriptlet
strElems.add(
new BshElem(
chars,
start,
Math.min(end + 1, start + length) - start,
start + 6,
end - start - 6));
} else if (expression.indexOf("groovy:", start + 2) == start + 2 && !escapedExpression) {
// checks to see if this starts with a "groovy:", if so treat the rest of the expression as
// a groovy scriptlet
strElems.add(
new GroovyElem(
chars,
start,
Math.min(end + 1, start + length) - start,
start + 9,
end - start - 9));
} else {
// Scan for matching closing bracket
int ptr = expression.indexOf(openBracket, start + 2);
while (ptr != -1 && end != -1 && ptr < end) {
end = expression.indexOf(closeBracket, end + 1);
ptr = expression.indexOf(openBracket, ptr + 2);
}
if (end == -1) {
end = origLen;
}
// Evaluation sequence is important - do not change it
if (escapedExpression) {
strElems.add(new ConstOffsetElem(chars, start, end + 1 - start));
} else {
String subExpression = expression.substring(start + 2, end);
int currencyPos = subExpression.indexOf("?currency(");
int closeParen = currencyPos > 0 ? subExpression.indexOf(")", currencyPos + 10) : -1;
if (closeParen != -1) {
strElems.add(
new CurrElem(
chars,
start,
Math.min(end + 1, start + length) - start,
start + 2,
end - start - 1));
} else if (subExpression.contains(openBracket)) {
strElems.add(
new NestedVarElem(
chars,
start,
Math.min(end + 1, start + length) - start,
start + 2,
Math.min(end - 2, start + length) - start));
} else {
strElems.add(
new VarElem(
chars,
start,
Math.min(end + 1, start + length) - start,
start + 2,
Math.min(end - 2, start + length) - start));
}
}
}
// reset the current index to after the expression, and the start to the beginning of the next
// expression
currentInd = end + 1;
if (currentInd > origLen + offset) {
currentInd = origLen + offset;
}
start = expression.indexOf(openBracket, currentInd);
}
// append the rest of the original string, ie after the last expression
if (currentInd < origLen + offset) {
strElems.add(new ConstOffsetElem(chars, currentInd, offset + length - currentInd));
}
return strElems.toArray(new FlexibleStringExpander[strElems.size()]);
}
// Note: a character array is used instead of a String to keep the memory footprint small.
protected final char[] chars;
protected int hint = 20;
protected FlexibleStringExpander(char[] chars) {
this.chars = chars;
}
protected abstract Object get(
Map<String, ? extends Object> context, TimeZone timeZone, Locale locale);
private static Locale getLocale(Locale locale, Map<String, ? extends Object> context) {
if (locale == null) {
locale = (Locale) context.get("locale");
if (locale == null && context.containsKey("autoUserLogin")) {
Map<String, Object> autoUserLogin = UtilGenerics.cast(context.get("autoUserLogin"));
locale = UtilMisc.ensureLocale(autoUserLogin.get("lastLocale"));
}
if (locale == null) {
locale = Locale.getDefault();
}
}
return locale;
}
private static TimeZone getTimeZone(TimeZone timeZone, Map<String, ? extends Object> context) {
if (timeZone == null) {
timeZone = (TimeZone) context.get("timeZone");
if (timeZone == null && context.containsKey("autoUserLogin")) {
Map<String, String> autoUserLogin = UtilGenerics.cast(context.get("autoUserLogin"));
timeZone = UtilDateTime.toTimeZone(autoUserLogin.get("lastTimeZone"));
}
if (timeZone == null) {
timeZone = TimeZone.getDefault();
}
}
return timeZone;
}
/**
* Evaluate this object's expression and return the result as a <code>String</code>. Null or empty
* expressions return an empty <code>String</code>. A <code>null context</code> argument will
* return the original expression.
*
* @param context The evaluation context
* @return This object's expression result as a <code>String</code>
*/
public String expandString(Map<String, ? extends Object> context) {
return this.expandString(context, null, null);
}
/**
* Evaluate this object's expression and return the result as a <code>String</code>. Null or empty
* expressions return an empty <code>String</code>. A <code>null context</code> argument will
* return the original expression.
*
* @param context The evaluation context
* @param locale The locale to be used for localization
* @return This object's expression result as a <code>String</code>
*/
public String expandString(Map<String, ? extends Object> context, Locale locale) {
return this.expandString(context, null, locale);
}
/**
* Evaluate this object's expression and return the result as a <code>String</code>. Null or empty
* expressions return an empty <code>String</code>. A <code>null context</code> argument will
* return the original expression.
*
* @param context The evaluation context
* @param timeZone The time zone to be used for localization
* @param locale The locale to be used for localization
* @return This object's expression result as a <code>String</code>
*/
public String expandString(
Map<String, ? extends Object> context, TimeZone timeZone, Locale locale) {
if (context == null) {
return this.toString();
}
timeZone = getTimeZone(timeZone, context);
locale = getLocale(locale, context);
Object obj = get(context, timeZone, locale);
StringBuilder buffer = new StringBuilder(this.hint);
try {
if (obj instanceof String && UtilValidate.isEmpty(obj)) {
} else if (obj != null) {
buffer.append(ObjectType.simpleTypeConvert(obj, "String", null, timeZone, locale, true));
}
} catch (Exception e) {
buffer.append(obj);
}
if (buffer.length() > this.hint) {
this.hint = buffer.length();
}
return buffer.toString();
}
/**
* Evaluate this object's expression and return the result as an <code>Object</code>. Null or
* empty expressions return an empty <code>String</code>. A <code>null context</code> argument
* will return the original expression.
*
* @param context The evaluation context
* @return This object's expression result as a <code>String</code>
*/
public Object expand(Map<String, ? extends Object> context) {
return this.expand(context, null, null);
}
/**
* Evaluate this object's expression and return the result as an <code>Object</code>. Null or
* empty expressions return an empty <code>String</code>. A <code>null context</code> argument
* will return the original expression.
*
* @param context The evaluation context
* @param locale The locale to be used for localization
* @return This object's expression result as a <code>String</code>
*/
public Object expand(Map<String, ? extends Object> context, Locale locale) {
return this.expand(context, null, locale);
}
/**
* Evaluate this object's expression and return the result as an <code>Object</code>. Null or
* empty expressions return an empty <code>String</code>. A <code>null context</code> argument
* will return the original expression.
*
* @param context The evaluation context
* @param timeZone The time zone to be used for localization
* @param locale The locale to be used for localization
* @return This object's expression result as a <code>String</code>
*/
public Object expand(Map<String, ? extends Object> context, TimeZone timeZone, Locale locale) {
if (context == null) {
return null;
}
return get(context, getTimeZone(timeZone, context), getLocale(locale, context));
}
/**
* Returns a copy of the original expression.
*
* @return The original expression
*/
public abstract String getOriginal();
/**
* Returns <code>true</code> if the original expression is empty or <code>null</code>.
*
* @return <code>true</code> if the original expression is empty or <code>null</code>
*/
public abstract boolean isEmpty();
/**
* Returns a copy of the original expression.
*
* @return The original expression
*/
@Override
public String toString() {
return this.getOriginal();
}
protected abstract static class ArrayOffsetString extends FlexibleStringExpander {
protected final int offset;
protected final int length;
protected ArrayOffsetString(char[] chars, int offset, int length) {
super(chars);
this.offset = offset;
this.length = length;
}
@Override
public boolean isEmpty() {
// This is always false; the complex child classes can't be
// empty, as they contain at least ${; constant elements
// with a length of 0 will never be created.
return false;
}
@Override
public String getOriginal() {
return new String(this.chars, this.offset, this.length);
}
}
/** An object that represents a <code>${bsh:}</code> expression. */
protected static class BshElem extends ArrayOffsetString {
private final int parseStart;
private final int parseLength;
protected BshElem(char[] chars, int offset, int length, int parseStart, int parseLength) {
super(chars, offset, length);
this.parseStart = parseStart;
this.parseLength = parseLength;
}
@Override
protected Object get(Map<String, ? extends Object> context, TimeZone timeZone, Locale locale) {
try {
Object obj =
BshUtil.eval(
new String(this.chars, this.parseStart, this.parseLength),
UtilMisc.makeMapWritable(context));
if (obj != null) {
return obj;
} else {
if (Debug.verboseOn()) {
Debug.logVerbose(
"BSH scriptlet evaluated to null ["
+ this
+ "], got no return so inserting nothing.",
module);
}
}
} catch (EvalError e) {
Debug.logWarning(
e,
"Error evaluating BSH scriptlet [" + this + "], inserting nothing; error was: " + e,
module);
}
return null;
}
}
/** An object that represents a <code>String</code> constant portion of an expression. */
protected static class ConstSimpleElem extends FlexibleStringExpander {
protected ConstSimpleElem(char[] chars) {
super(chars);
}
@Override
public boolean isEmpty() {
return this.chars.length == 0;
}
@Override
public String getOriginal() {
return new String(this.chars);
}
@Override
public String expandString(
Map<String, ? extends Object> context, TimeZone timeZone, Locale locale) {
return getOriginal();
}
@Override
protected Object get(Map<String, ? extends Object> context, TimeZone timeZone, Locale locale) {
return isEmpty() ? null : getOriginal();
}
}
/** An object that represents a <code>String</code> constant portion of an expression. */
protected static class ConstOffsetElem extends ArrayOffsetString {
protected ConstOffsetElem(char[] chars, int offset, int length) {
super(chars, offset, length);
}
@Override
protected Object get(Map<String, ? extends Object> context, TimeZone timeZone, Locale locale) {
return getOriginal();
}
@Override
public String expandString(
Map<String, ? extends Object> context, TimeZone timeZone, Locale locale) {
return new String(this.chars, this.offset, this.length);
}
}
/** An object that represents a currency portion of an expression. */
protected static class CurrElem extends ArrayOffsetString {
protected final char[] valueStr;
protected final FlexibleStringExpander codeExpr;
protected CurrElem(char[] chars, int offset, int length, int parseStart, int parseLength) {
super(chars, offset, length);
String parse = new String(chars, parseStart, parseLength);
int currencyPos = parse.indexOf("?currency(");
int closeParen = parse.indexOf(")", currencyPos + 10);
this.codeExpr =
FlexibleStringExpander.getInstance(
parse, chars, parseStart + currencyPos + 10, closeParen - currencyPos - 10, true);
this.valueStr =
openBracket.concat(parse.substring(0, currencyPos)).concat(closeBracket).toCharArray();
}
@Override
protected Object get(Map<String, ? extends Object> context, TimeZone timeZone, Locale locale) {
try {
Object obj = UelUtil.evaluate(context, new String(this.valueStr));
if (obj != null) {
String currencyCode = this.codeExpr.expandString(context, timeZone, locale);
return UtilFormatOut.formatCurrency(new BigDecimal(obj.toString()), currencyCode, locale);
}
} catch (PropertyNotFoundException e) {
if (Debug.verboseOn()) {
Debug.logVerbose("Error evaluating expression: " + e, module);
}
} catch (Exception e) {
Debug.logError("Error evaluating expression: " + e, module);
}
return null;
}
}
/** A container object that contains expression fragments. */
protected static class Elements extends ArrayOffsetString {
protected final FlexibleStringExpander[] childElems;
protected Elements(char[] chars, int offset, int length, FlexibleStringExpander[] childElems) {
super(chars, offset, length);
this.childElems = childElems;
}
@Override
protected Object get(Map<String, ? extends Object> context, TimeZone timeZone, Locale locale) {
StringBuilder buffer = new StringBuilder();
for (FlexibleStringExpander child : this.childElems) {
buffer.append(child.expandString(context, timeZone, locale));
}
return buffer.toString();
}
}
/** An object that represents a <code>${groovy:}</code> expression. */
protected static class GroovyElem extends ArrayOffsetString {
protected final Class<?> parsedScript;
protected GroovyElem(char[] chars, int offset, int length, int parseStart, int parseLength) {
super(chars, offset, length);
this.parsedScript = GroovyUtil.parseClass(new String(chars, parseStart, parseLength));
}
@Override
protected Object get(Map<String, ? extends Object> context, TimeZone timeZone, Locale locale) {
try {
Object obj =
InvokerHelper.createScript(this.parsedScript, GroovyUtil.getBinding(context)).run();
if (obj != null) {
return obj;
} else {
if (Debug.verboseOn()) {
Debug.logVerbose(
"Groovy scriptlet evaluated to null ["
+ this
+ "], got no return so inserting nothing.",
module);
}
}
} catch (Exception e) {
// handle other things, like the groovy.lang.MissingPropertyException
Debug.logWarning(
e,
"Error evaluating Groovy scriptlet [" + this + "], inserting nothing; error was: " + e,
module);
}
return null;
}
}
/** An object that represents a nested expression. */
protected static class NestedVarElem extends ArrayOffsetString {
protected final FlexibleStringExpander[] childElems;
protected NestedVarElem(char[] chars, int offset, int length, int parseStart, int parseLength) {
super(chars, offset, length);
this.childElems = getStrElems(chars, parseStart, parseLength);
if (length > this.hint) {
this.hint = length;
}
}
@Override
protected Object get(Map<String, ? extends Object> context, TimeZone timeZone, Locale locale) {
StringBuilder expr = new StringBuilder(this.hint);
for (FlexibleStringExpander child : this.childElems) {
expr.append(child.expandString(context, timeZone, locale));
}
if (expr.length() == 0) {
return "";
}
try {
return UelUtil.evaluate(context, openBracket.concat(expr.toString()).concat(closeBracket));
} catch (PropertyNotFoundException e) {
if (Debug.verboseOn()) {
Debug.logVerbose("Error evaluating expression: " + e, module);
}
} catch (Exception e) {
Debug.logError("Error evaluating expression: " + e, module);
}
return "";
}
}
/** An object that represents a simple, non-nested expression. */
protected static class VarElem extends ArrayOffsetString {
protected final char[] bracketedOriginal;
protected VarElem(char[] chars, int offset, int length, int parseStart, int parseLength) {
super(chars, offset, length);
this.bracketedOriginal =
openBracket
.concat(UelUtil.prepareExpression(new String(chars, parseStart, parseLength)))
.concat(closeBracket)
.toCharArray();
}
@Override
protected Object get(Map<String, ? extends Object> context, TimeZone timeZone, Locale locale) {
Object obj = null;
try {
obj = UelUtil.evaluate(context, new String(this.bracketedOriginal));
} catch (PropertyNotFoundException e) {
if (Debug.verboseOn()) {
Debug.logVerbose("Error evaluating expression " + this + ": " + e, module);
}
} catch (Exception e) {
Debug.logError("Error evaluating expression " + this + ": " + e, module);
}
if (obj != null) {
try {
// Check for runtime nesting
String str = (String) obj;
if (str.contains(openBracket)) {
FlexibleStringExpander fse = FlexibleStringExpander.getInstance(str);
return fse.get(context, timeZone, locale);
}
} catch (ClassCastException e) {
}
}
return obj;
}
}
}
public void render(
String name,
String page,
String info,
String contentType,
String encoding,
HttpServletRequest request,
HttpServletResponse response)
throws ViewHandlerException {
// some containers call filters on EVERY request, even forwarded ones,
// so let it know that it came from the control servlet
if (request == null) {
throw new ViewHandlerException(
"The HttpServletRequest object was null, how did that happen?");
}
if (UtilValidate.isEmpty(page)) {
throw new ViewHandlerException("View page was null or empty, but must be specified");
}
if (UtilValidate.isEmpty(info)) {
Debug.logInfo(
"View info string was null or empty, (optionally used to specify an Entity that is mapped to the Entity Engine datasource that the report will use).",
module);
}
// tell the ContextFilter we are forwarding
request.setAttribute(ContextFilter.FORWARDED_FROM_SERVLET, Boolean.valueOf(true));
Delegator delegator = (Delegator) request.getAttribute("delegator");
if (delegator == null) {
throw new ViewHandlerException("The delegator object was null, how did that happen?");
}
try {
JasperReport report = (JasperReport) jasperReportsCompiledCache.get(page);
if (report == null) {
synchronized (this) {
report = (JasperReport) jasperReportsCompiledCache.get(page);
if (report == null) {
InputStream is = context.getResourceAsStream(page);
report = JasperCompileManager.compileReport(is);
jasperReportsCompiledCache.put(page, report);
}
}
}
response.setContentType("application/xls");
Map parameters = (Map) request.getAttribute("jrParameters");
if (parameters == null) {
parameters = UtilHttp.getParameterMap(request);
}
JRDataSource jrDataSource = (JRDataSource) request.getAttribute("jrDataSource");
JasperPrint jp = null;
if (jrDataSource == null) {
String datasourceName = delegator.getEntityHelperName(info);
if (UtilValidate.isNotEmpty(datasourceName)) {
Debug.logInfo(
"Filling report with connection from datasource: " + datasourceName, module);
jp =
JasperFillManager.fillReport(
report, parameters, ConnectionFactory.getConnection(datasourceName));
} else {
Debug.logInfo("Filling report with an empty JR datasource", module);
jp = JasperFillManager.fillReport(report, parameters, new JREmptyDataSource());
}
} else {
Debug.logInfo("Filling report with a passed in jrDataSource", module);
jp = JasperFillManager.fillReport(report, parameters, jrDataSource);
}
if (jp.getPages().size() < 1) {
throw new ViewHandlerException("Report is Empty (no results?)");
} else {
Debug.logInfo("Got report, there are " + jp.getPages().size() + " pages.", module);
}
JExcelApiExporter exporter = new JExcelApiExporter();
exporter.setParameter(JExcelApiExporterParameter.JASPER_PRINT, jp);
exporter.setParameter(JExcelApiExporterParameter.OUTPUT_STREAM, response.getOutputStream());
exporter.exportReport();
} catch (IOException ie) {
throw new ViewHandlerException("IO Error in report", ie);
} catch (java.sql.SQLException e) {
throw new ViewHandlerException("Database error while running report", e);
} catch (Exception e) {
throw new ViewHandlerException("Error in report", e);
// } catch (ServletException se) {
// throw new ViewHandlerException("Error in region", se.getRootCause());
}
}
/** Widget Library - Tree factory class */
public class TreeFactory {
public static final String module = TreeFactory.class.getName();
public static final UtilCache<String, Map<String, ModelTree>> treeLocationCache =
UtilCache.createUtilCache("widget.tree.locationResource", 0, 0, false);
public static final UtilCache<String, Map<String, ModelTree>> treeWebappCache =
UtilCache.createUtilCache("widget.tree.webappResource", 0, 0, false);
public static ModelTree getTreeFromLocation(
String resourceName, String treeName, Delegator delegator, LocalDispatcher dispatcher)
throws IOException, SAXException, ParserConfigurationException {
Map<String, ModelTree> modelTreeMap = treeLocationCache.get(resourceName);
if (modelTreeMap == null) {
synchronized (TreeFactory.class) {
modelTreeMap = treeLocationCache.get(resourceName);
if (modelTreeMap == null) {
ClassLoader loader = Thread.currentThread().getContextClassLoader();
if (loader == null) {
loader = TreeFactory.class.getClassLoader();
}
URL treeFileUrl = null;
treeFileUrl = FlexibleLocation.resolveLocation(resourceName); // , loader);
Document treeFileDoc = UtilXml.readXmlDocument(treeFileUrl, true);
modelTreeMap = readTreeDocument(treeFileDoc, delegator, dispatcher, resourceName);
treeLocationCache.put(resourceName, modelTreeMap);
}
}
}
ModelTree modelTree = (ModelTree) modelTreeMap.get(treeName);
if (modelTree == null) {
throw new IllegalArgumentException(
"Could not find tree with name ["
+ treeName
+ "] in class resource ["
+ resourceName
+ "]");
}
return modelTree;
}
public static ModelTree getTreeFromWebappContext(
String resourceName, String treeName, HttpServletRequest request)
throws IOException, SAXException, ParserConfigurationException {
String webappName = UtilHttp.getApplicationName(request);
String cacheKey = webappName + "::" + resourceName;
Map<String, ModelTree> modelTreeMap = treeWebappCache.get(cacheKey);
if (modelTreeMap == null) {
synchronized (TreeFactory.class) {
modelTreeMap = treeWebappCache.get(cacheKey);
if (modelTreeMap == null) {
ServletContext servletContext = (ServletContext) request.getAttribute("servletContext");
Delegator delegator = (Delegator) request.getAttribute("delegator");
LocalDispatcher dispatcher = (LocalDispatcher) request.getAttribute("dispatcher");
URL treeFileUrl = servletContext.getResource(resourceName);
Document treeFileDoc = UtilXml.readXmlDocument(treeFileUrl, true);
modelTreeMap = readTreeDocument(treeFileDoc, delegator, dispatcher, cacheKey);
treeWebappCache.put(cacheKey, modelTreeMap);
}
}
}
ModelTree modelTree = (ModelTree) modelTreeMap.get(treeName);
if (modelTree == null) {
throw new IllegalArgumentException(
"Could not find tree with name ["
+ treeName
+ "] in webapp resource ["
+ resourceName
+ "] in the webapp ["
+ webappName
+ "]");
}
return modelTree;
}
public static Map<String, ModelTree> readTreeDocument(
Document treeFileDoc, Delegator delegator, LocalDispatcher dispatcher, String treeLocation) {
Map<String, ModelTree> modelTreeMap = new HashMap<String, ModelTree>();
if (treeFileDoc != null) {
// read document and construct ModelTree for each tree element
Element rootElement = treeFileDoc.getDocumentElement();
for (Element treeElement : UtilXml.childElementList(rootElement, "tree")) {
ModelTree modelTree = new ModelTree(treeElement, delegator, dispatcher);
modelTree.setTreeLocation(treeLocation);
modelTreeMap.put(modelTree.getName(), modelTree);
}
}
return modelTreeMap;
}
}
/** EntityEcaUtil */
public class EntityEcaUtil {
public static final String module = EntityEcaUtil.class.getName();
public static UtilCache<String, Map<String, Map<String, List<EntityEcaRule>>>> entityEcaReaders =
UtilCache.createUtilCache("entity.EcaReaders", 0, 0, false);
public static Map<String, Map<String, List<EntityEcaRule>>> getEntityEcaCache(
String entityEcaReaderName) {
Map<String, Map<String, List<EntityEcaRule>>> ecaCache =
entityEcaReaders.get(entityEcaReaderName);
if (ecaCache == null) {
synchronized (EntityEcaUtil.class) {
ecaCache = entityEcaReaders.get(entityEcaReaderName);
if (ecaCache == null) {
ecaCache = FastMap.newInstance();
readConfig(entityEcaReaderName, ecaCache);
entityEcaReaders.put(entityEcaReaderName, ecaCache);
}
}
}
return ecaCache;
}
public static String getEntityEcaReaderName(String delegatorName) {
DelegatorInfo delegatorInfo = EntityConfigUtil.getDelegatorInfo(delegatorName);
if (delegatorInfo == null) {
Debug.logError(
"BAD ERROR: Could not find delegator config with name: " + delegatorName, module);
return null;
}
return delegatorInfo.entityEcaReader;
}
protected static void readConfig(
String entityEcaReaderName, Map<String, Map<String, List<EntityEcaRule>>> ecaCache) {
EntityEcaReaderInfo entityEcaReaderInfo =
EntityConfigUtil.getEntityEcaReaderInfo(entityEcaReaderName);
if (entityEcaReaderInfo == null) {
Debug.logError(
"BAD ERROR: Could not find entity-eca-reader config with name: " + entityEcaReaderName,
module);
return;
}
for (Element eecaResourceElement : entityEcaReaderInfo.resourceElements) {
ResourceHandler handler =
new MainResourceHandler(EntityConfigUtil.ENTITY_ENGINE_XML_FILENAME, eecaResourceElement);
addEcaDefinitions(handler, ecaCache);
}
// get all of the component resource eca stuff, ie specified in each ofbiz-component.xml file
for (ComponentConfig.EntityResourceInfo componentResourceInfo :
ComponentConfig.getAllEntityResourceInfos("eca")) {
if (entityEcaReaderName.equals(componentResourceInfo.readerName)) {
addEcaDefinitions(componentResourceInfo.createResourceHandler(), ecaCache);
}
}
}
protected static void addEcaDefinitions(
ResourceHandler handler, Map<String, Map<String, List<EntityEcaRule>>> ecaCache) {
Element rootElement = null;
try {
rootElement = handler.getDocument().getDocumentElement();
} catch (GenericConfigException e) {
Debug.logError(e, module);
return;
}
int numDefs = 0;
for (Element e : UtilXml.childElementList(rootElement, "eca")) {
String entityName = e.getAttribute("entity");
String eventName = e.getAttribute("event");
Map<String, List<EntityEcaRule>> eventMap = ecaCache.get(entityName);
List<EntityEcaRule> rules = null;
if (eventMap == null) {
eventMap = FastMap.newInstance();
rules = FastList.newInstance();
ecaCache.put(entityName, eventMap);
eventMap.put(eventName, rules);
} else {
rules = eventMap.get(eventName);
if (rules == null) {
rules = FastList.newInstance();
eventMap.put(eventName, rules);
}
}
rules.add(new EntityEcaRule(e));
numDefs++;
}
try {
Debug.logImportant(
"Loaded ["
+ numDefs
+ "] Entity ECA definitions from "
+ handler.getFullLocation()
+ " in loader "
+ handler.getLoaderName(),
module);
} catch (GenericConfigException e) {
Debug.logError(e, module);
return;
}
}
public static Collection<EntityEcaRule> getEntityEcaRules(
Delegator delegator, String entityName, String event) {
Map<String, Map<String, List<EntityEcaRule>>> ecaCache =
EntityEcaUtil.getEntityEcaCache(
EntityEcaUtil.getEntityEcaReaderName(delegator.getDelegatorName()));
Map<String, List<EntityEcaRule>> eventMap = ecaCache.get(entityName);
if (eventMap != null) {
if (event != null) {
return eventMap.get(event);
}
}
return null;
}
}
/** Common Services */
public class CommonEvents {
public static final String module = CommonEvents.class.getName();
public static UtilCache<String, Map<String, String>> appletSessions =
UtilCache.createUtilCache("AppletSessions", 0, 600000, true);
public static String checkAppletRequest(
HttpServletRequest request, HttpServletResponse response) {
Delegator delegator = (Delegator) request.getAttribute("delegator");
String sessionId = request.getParameter("sessionId");
String visitId = request.getParameter("visitId");
sessionId = sessionId.trim();
visitId = visitId.trim();
String responseString = "";
GenericValue visit = null;
try {
visit = delegator.findOne("Visit", false, "visitId", visitId);
} catch (GenericEntityException e) {
Debug.logError(e, "Cannot Visit Object", module);
}
if (visit != null
&& visit.getString("sessionId").equals(sessionId)
&& appletSessions.containsKey(sessionId)) {
Map<String, String> sessionMap = appletSessions.get(sessionId);
if (sessionMap != null && sessionMap.containsKey("followPage"))
responseString = sessionMap.remove("followPage");
}
try {
PrintWriter out = response.getWriter();
response.setContentType("text/plain");
out.println(responseString);
out.close();
} catch (IOException e) {
Debug.logError(e, "Problems writing servlet output!", module);
}
return "success";
}
public static String receiveAppletRequest(
HttpServletRequest request, HttpServletResponse response) {
Delegator delegator = (Delegator) request.getAttribute("delegator");
String sessionId = request.getParameter("sessionId");
String visitId = request.getParameter("visitId");
sessionId = sessionId.trim();
visitId = visitId.trim();
String responseString = "ERROR";
GenericValue visit = null;
try {
visit = delegator.findOne("Visit", false, "visitId", visitId);
} catch (GenericEntityException e) {
Debug.logError(e, "Cannot Visit Object", module);
}
if (visit.getString("sessionId").equals(sessionId)) {
String currentPage = request.getParameter("currentPage");
if (appletSessions.containsKey(sessionId)) {
Map<String, String> sessionMap = appletSessions.get(sessionId);
String followers = sessionMap.get("followers");
List<String> folList = StringUtil.split(followers, ",");
for (String follower : folList) {
Map<String, String> folSesMap = UtilMisc.toMap("followPage", currentPage);
appletSessions.put(follower, folSesMap);
}
}
responseString = "OK";
}
try {
PrintWriter out = response.getWriter();
response.setContentType("text/plain");
out.println(responseString);
out.close();
} catch (IOException e) {
Debug.logError(e, "Problems writing servlet output!", module);
}
return "success";
}
public static String setAppletFollower(HttpServletRequest request, HttpServletResponse response) {
Security security = (Security) request.getAttribute("security");
GenericValue userLogin = (GenericValue) request.getSession().getAttribute("userLogin");
String visitId = request.getParameter("visitId");
if (visitId != null) request.setAttribute("visitId", visitId);
if (security.hasPermission("SEND_CONTROL_APPLET", userLogin)) {
String followerSessionId = request.getParameter("followerSid");
String followSessionId = request.getParameter("followSid");
Map<String, String> follow = appletSessions.get(followSessionId);
if (follow == null) follow = FastMap.newInstance();
String followerListStr = follow.get("followers");
if (followerListStr == null) {
followerListStr = followerSessionId;
} else {
followerListStr = followerListStr + "," + followerSessionId;
}
appletSessions.put(followSessionId, follow);
appletSessions.put(followerSessionId, null);
}
return "success";
}
public static String setFollowerPage(HttpServletRequest request, HttpServletResponse response) {
Security security = (Security) request.getAttribute("security");
GenericValue userLogin = (GenericValue) request.getSession().getAttribute("userLogin");
String visitId = request.getParameter("visitId");
if (visitId != null) request.setAttribute("visitId", visitId);
if (security.hasPermission("SEND_CONTROL_APPLET", userLogin)) {
String followerSessionId = request.getParameter("followerSid");
String pageUrl = request.getParameter("pageUrl");
Map<String, String> follow = appletSessions.get(followerSessionId);
if (follow == null) follow = FastMap.newInstance();
follow.put("followPage", pageUrl);
appletSessions.put(followerSessionId, follow);
}
return "success";
}
/**
* Simple event to set the users per-session locale setting. The user's locale setting should be
* passed as a "newLocale" request parameter.
*/
public static String setSessionLocale(HttpServletRequest request, HttpServletResponse response) {
String localeString = request.getParameter("newLocale");
if (UtilValidate.isNotEmpty(localeString)) {
UtilHttp.setLocale(request, localeString);
// update the UserLogin object
GenericValue userLogin = (GenericValue) request.getSession().getAttribute("userLogin");
if (userLogin == null) {
userLogin = (GenericValue) request.getSession().getAttribute("autoUserLogin");
}
if (userLogin != null) {
GenericValue ulUpdate = GenericValue.create(userLogin);
ulUpdate.set("lastLocale", localeString);
try {
ulUpdate.store();
userLogin.refreshFromCache();
} catch (GenericEntityException e) {
Debug.logWarning(e, module);
}
}
}
return "success";
}
/** Simple event to set the user's per-session time zone setting. */
public static String setSessionTimeZone(
HttpServletRequest request, HttpServletResponse response) {
String tzString = request.getParameter("tzId");
if (UtilValidate.isNotEmpty(tzString)) {
UtilHttp.setTimeZone(request, tzString);
// update the UserLogin object
GenericValue userLogin = (GenericValue) request.getSession().getAttribute("userLogin");
if (userLogin == null) {
userLogin = (GenericValue) request.getSession().getAttribute("autoUserLogin");
}
if (userLogin != null) {
GenericValue ulUpdate = GenericValue.create(userLogin);
ulUpdate.set("lastTimeZone", tzString);
try {
ulUpdate.store();
userLogin.refreshFromCache();
} catch (GenericEntityException e) {
Debug.logWarning(e, module);
}
}
}
return "success";
}
/** Simple event to set the users per-session currency uom value */
public static String setSessionCurrencyUom(
HttpServletRequest request, HttpServletResponse response) {
String currencyUom = request.getParameter("currencyUom");
if (UtilValidate.isNotEmpty(currencyUom)) {
// update the session
UtilHttp.setCurrencyUom(request.getSession(), currencyUom);
// update the UserLogin object
GenericValue userLogin = (GenericValue) request.getSession().getAttribute("userLogin");
if (userLogin == null) {
userLogin = (GenericValue) request.getSession().getAttribute("autoUserLogin");
}
if (userLogin != null) {
GenericValue ulUpdate = GenericValue.create(userLogin);
ulUpdate.set("lastCurrencyUom", currencyUom);
try {
ulUpdate.store();
userLogin.refreshFromCache();
} catch (GenericEntityException e) {
Debug.logWarning(e, module);
}
}
}
return "success";
}
public static String jsonResponseFromRequestAttributes(
HttpServletRequest request, HttpServletResponse response) {
// pull out the service response from the request attribute
Map<String, Object> attrMap = UtilHttp.getJSONAttributeMap(request);
// create a JSON Object for return
JSONObject json = JSONObject.fromObject(attrMap);
writeJSONtoResponse(json, response);
return "success";
}
private static void writeJSONtoResponse(JSON json, HttpServletResponse response) {
String jsonStr = json.toString();
if (jsonStr == null) {
Debug.logError("JSON Object was empty; fatal error!", module);
return;
}
// set the X-JSON content type
response.setContentType("application/x-json");
// jsonStr.length is not reliable for unicode characters
try {
response.setContentLength(jsonStr.getBytes("UTF8").length);
} catch (UnsupportedEncodingException e) {
Debug.logError("Problems with Json encoding: " + e, module);
}
// return the JSON String
Writer out;
try {
out = response.getWriter();
out.write(jsonStr);
out.flush();
} catch (IOException e) {
Debug.logError(e, module);
}
}
public static String getJSONuiLabelArray(
HttpServletRequest request, HttpServletResponse response) {
String requiredLabels = request.getParameter("requiredLabels");
JSONObject uiLabelObject = null;
if (UtilValidate.isNotEmpty(requiredLabels)) {
// Transform JSON String to Object
uiLabelObject = (JSONObject) JSONSerializer.toJSON(requiredLabels);
}
JSONObject jsonUiLabel = new JSONObject();
Locale locale = request.getLocale();
if (!uiLabelObject.isEmpty()) {
Set<String> resourceSet = UtilGenerics.checkSet(uiLabelObject.keySet());
// Iterate over the resouce set
for (String resource : resourceSet) {
JSONArray labels = uiLabelObject.getJSONArray(resource);
if (labels.isEmpty() || labels == null) {
continue;
}
// Iterate over the uiLabel List
Iterator<String> jsonLabelIterator = UtilGenerics.cast(labels.iterator());
JSONArray resourceLabelList = new JSONArray();
while (jsonLabelIterator.hasNext()) {
String label = jsonLabelIterator.next();
String receivedLabel = UtilProperties.getMessage(resource, label, locale);
if (UtilValidate.isNotEmpty(receivedLabel)) {
resourceLabelList.add(receivedLabel);
}
}
jsonUiLabel.element(resource, resourceLabelList);
}
}
writeJSONtoResponse(jsonUiLabel, response);
return "success";
}
public static String getJSONuiLabel(HttpServletRequest request, HttpServletResponse response) {
String requiredLabels = request.getParameter("requiredLabel");
JSONObject uiLabelObject = null;
if (UtilValidate.isNotEmpty(requiredLabels)) {
// Transform JSON String to Object
uiLabelObject = (JSONObject) JSONSerializer.toJSON(requiredLabels);
}
JSONArray jsonUiLabel = new JSONArray();
Locale locale = request.getLocale();
if (!uiLabelObject.isEmpty()) {
Set<String> resourceSet = UtilGenerics.checkSet(uiLabelObject.keySet());
// Iterate over the resource set
// here we need a keySet because we don't now which label resource to load
// the key set should have the size one, if greater or empty error should returned
if (UtilValidate.isEmpty(resourceSet)) {
Debug.logError("No resource and labels found", module);
return "error";
} else if (resourceSet.size() > 1) {
Debug.logError(
"More than one resource found, please use the method: getJSONuiLabelArray", module);
return "error";
}
for (String resource : resourceSet) {
String label = uiLabelObject.getString(resource);
if (UtilValidate.isEmail(label)) {
continue;
}
String receivedLabel = UtilProperties.getMessage(resource, label, locale);
jsonUiLabel.add(receivedLabel);
}
}
writeJSONtoResponse(jsonUiLabel, response);
return "success";
}
public static String getCaptcha(HttpServletRequest request, HttpServletResponse response) {
try {
final String captchaSizeConfigName =
StringUtils.defaultIfEmpty(request.getParameter("captchaSize"), "default");
final String captchaSizeConfig =
UtilProperties.getPropertyValue("captcha.properties", "captcha." + captchaSizeConfigName);
final String[] captchaSizeConfigs = captchaSizeConfig.split("\\|");
final String captchaCodeId =
StringUtils.defaultIfEmpty(
request.getParameter("captchaCodeId"),
""); // this is used to uniquely identify in the user session the attribute where the
// captcha code for the last captcha for the form is stored
final int fontSize = Integer.parseInt(captchaSizeConfigs[0]);
final int height = Integer.parseInt(captchaSizeConfigs[1]);
final int width = Integer.parseInt(captchaSizeConfigs[2]);
final int charsToPrint =
UtilProperties.getPropertyAsInteger("captcha.properties", "captcha.code_length", 6);
final char[] availableChars =
UtilProperties.getPropertyValue("captcha.properties", "captcha.characters").toCharArray();
// It is possible to pass the font size, image width and height with the request as well
Color backgroundColor = Color.gray;
Color borderColor = Color.DARK_GRAY;
Color textColor = Color.ORANGE;
Color circleColor = new Color(160, 160, 160);
Font textFont = new Font("Arial", Font.PLAIN, fontSize);
int circlesToDraw = 6;
float horizMargin = 20.0f;
double rotationRange = 0.7; // in radians
BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics2D g = (Graphics2D) bufferedImage.getGraphics();
g.setColor(backgroundColor);
g.fillRect(0, 0, width, height);
// Generating some circles for background noise
g.setColor(circleColor);
for (int i = 0; i < circlesToDraw; i++) {
int circleRadius = (int) (Math.random() * height / 2.0);
int circleX = (int) (Math.random() * width - circleRadius);
int circleY = (int) (Math.random() * height - circleRadius);
g.drawOval(circleX, circleY, circleRadius * 2, circleRadius * 2);
}
g.setColor(textColor);
g.setFont(textFont);
FontMetrics fontMetrics = g.getFontMetrics();
int maxAdvance = fontMetrics.getMaxAdvance();
int fontHeight = fontMetrics.getHeight();
String captchaCode = RandomStringUtils.random(6, availableChars);
float spaceForLetters = -horizMargin * 2 + width;
float spacePerChar = spaceForLetters / (charsToPrint - 1.0f);
for (int i = 0; i < captchaCode.length(); i++) {
// this is a separate canvas used for the character so that
// we can rotate it independently
int charWidth = fontMetrics.charWidth(captchaCode.charAt(i));
int charDim = Math.max(maxAdvance, fontHeight);
int halfCharDim = (charDim / 2);
BufferedImage charImage = new BufferedImage(charDim, charDim, BufferedImage.TYPE_INT_ARGB);
Graphics2D charGraphics = charImage.createGraphics();
charGraphics.translate(halfCharDim, halfCharDim);
double angle = (Math.random() - 0.5) * rotationRange;
charGraphics.transform(AffineTransform.getRotateInstance(angle));
charGraphics.translate(-halfCharDim, -halfCharDim);
charGraphics.setColor(textColor);
charGraphics.setFont(textFont);
int charX = (int) (0.5 * charDim - 0.5 * charWidth);
charGraphics.drawString(
"" + captchaCode.charAt(i),
charX,
((charDim - fontMetrics.getAscent()) / 2 + fontMetrics.getAscent()));
float x = horizMargin + spacePerChar * (i) - charDim / 2.0f;
int y = ((height - charDim) / 2);
g.drawImage(charImage, (int) x, y, charDim, charDim, null, null);
charGraphics.dispose();
}
// Drawing the image border
g.setColor(borderColor);
g.drawRect(0, 0, width - 1, height - 1);
g.dispose();
response.setContentType("image/jpeg");
ImageIO.write(bufferedImage, "jpg", response.getOutputStream());
HttpSession session = request.getSession();
Map captchaCodeMap = (Map) session.getAttribute("_CAPTCHA_CODE_");
if (captchaCodeMap == null) {
captchaCodeMap = new HashMap();
session.setAttribute("_CAPTCHA_CODE_", captchaCodeMap);
}
captchaCodeMap.put(captchaCodeId, captchaCode);
} catch (Exception ioe) {
Debug.logError(ioe.getMessage(), module);
}
return "success";
}
}
