@Test
public void testCreateXML() {
// Creation of the root
Element root = new Element("root");
// Child of the root
Element article = new Element("article");
Element title = new Element("title").setText("Description");
title.setAttribute("valoration", "5");
Person person = new Person(23);
article.addContent(title).addContent(person);
// Modification of the element
Person person2 = new Person(24);
article.removeContent(person);
article.addContent(person2);
root.addContent(article);
Document doc = new Document(root); // Creation of the xml document
log.info("Storing and displaying the xml document...");
try {
XMLOutputter out = new XMLOutputter();
FileOutputStream file = new FileOutputStream("ExampleDom.xml");
out.output(doc, file);
file.flush();
file.close();
out.output(doc, System.out);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Update the map-elements in the datasource that are below <i>parent</i>.
*
* @param parent Parent element to add / update
* @param configuration configuration that holds the properties
* @param mapName the name of the map-property in the configuration that holds the elements
* @param propertyElementName the name of the element to write below <i>parent</i>
*/
private static void updateMap(
Element parent, Configuration configuration, String mapName, String propertyElementName) {
PropertyMap map = configuration.getMap(mapName);
// Wrap in ArrayList to avoid ConcurrentModificationException when adding or removing children
// while iterating.
List<Element> mapElements = new ArrayList<Element>(parent.getChildren(propertyElementName));
if ((map == null) || map.getMap().isEmpty()) {
if (!mapElements.isEmpty()) {
parent.removeChildren(propertyElementName);
}
return;
}
Map<String, Element> elements = new HashMap<String, Element>();
for (Element el : mapElements) {
elements.put(el.getAttributeValue("name"), el);
if (map.get(el.getAttributeValue("name")) == null) {
parent.removeContent(el);
}
}
for (Property prop : map.getMap().values()) {
Element element = elements.get(prop.getName());
if (element == null) {
element = new Element(propertyElementName);
element.setAttribute("name", prop.getName());
parent.addContent(element);
}
element.setText(((PropertySimple) prop).getStringValue());
}
}
public static void removeDuplicatedOptions(final Element element) {
List<Element> children = new ArrayList<Element>(element.getChildren(OPTION_ELEMENT));
Set<String> names = new HashSet<String>();
for (Element child : children) {
if (!names.add(child.getAttributeValue(NAME_ATTRIBUTE))) {
element.removeContent(child);
}
}
}
public static List<Element> removeChildren(
final Element element, final Condition<Element> filter) {
List<Element> toRemove = new ArrayList<Element>();
final List<Element> list = element.getChildren();
for (Element e : list) {
if (filter.value(e)) {
toRemove.add(e);
}
}
for (Element e : toRemove) {
element.removeContent(e);
}
return toRemove;
}
public void assignTo(Element element, String metadataFormatName, String classNameList) {
if (!element.getName().equals(metadataFormatName)) {
throw new IllegalArgumentException("root not found: " + metadataFormatName);
}
final Element ifd1 = element.getChild(IIO_TIFF_IFD_ELEMENT_NAME);
if (ifd1 == null) {
throw new IllegalArgumentException("child not found: " + IIO_TIFF_IFD_ELEMENT_NAME);
}
final Element ifd2 = createIFD(classNameList);
ifd1.setAttribute(IIO_TIFF_TAGSETS_ATT_NAME, ifd2.getAttributeValue(IIO_TIFF_TAGSETS_ATT_NAME));
final Element[] childElems = (Element[]) ifd2.getChildren().toArray(new Element[0]);
for (Element child : childElems) {
ifd2.removeContent(child);
ifd1.addContent(child);
}
}
private static void updateElement(Element parent, Configuration config, String name) {
String value = config.getSimpleValue(name, null);
Element child = parent.getChild(name);
if (value == null) {
if (child != null) {
parent.removeContent(child);
}
} else {
if (child == null) {
child = new Element(name);
parent.addContent(child);
}
child.setText(value);
}
}
/**
* 替换宏
*
* @param element
* @param macroId
* @return 仅当成功的进行宏替换后返回真
*/
private boolean doReplaceMacros(Element element, String macroId) {
if (!StringUtils.isEmpty(macroId)) {
if (!macros.containsKey(macroId)) {
logger.error("消息配置错误，不存在这样的宏定义：" + macroId);
return false;
}
// 防止子macro被重复替换
if (element.getChildren().size() > 0) {
return false;
}
Element macro = macros.get(macroId);
Element macroClone = (Element) macro.clone();
element.addContent(macroClone.removeContent());
return true;
}
return false;
}
public static void collapseChildren(Element e, boolean firstHeader) {
if (e == null) return;
List<String> labels = new ArrayList<String>();
for (Object o : e.getChildren()) {
String name = ((Element) o).getName();
if (!labels.contains(name)) labels.add(name);
}
for (String label : labels) {
if (e.getChildren(label).size() > 1) {
Element temp = e.getChild(label);
e.removeContent(temp);
for (Element c : typeAsElement(e.getChildren(label))) {
temp = fusionContent(temp, c, firstHeader);
}
e.removeChildren(label);
e.addContent(temp);
}
}
}
public static void suppressRedundantChildren(Element e, boolean keepLast) {
if (e == null) return;
List<String> labels = new ArrayList<String>();
for (Object o : e.getChildren()) {
String name = ((Element) o).getName();
if (!labels.contains(name)) labels.add(name);
}
for (String label : labels) {
if (e.getChildren(label).size() > 1) {
Element temp = e.getChild(label);
e.removeContent(temp); // to avoid exploring it again in loop
if (keepLast)
for (Element c : typeAsElement(e.getChildren(label))) {
temp = c;
}
e.removeChildren(label);
e.addContent(temp);
}
}
}
public static void addComponent(final Element root, final Element component) {
String componentName = component.getAttributeValue(NAME_ATTRIBUTE);
final Element old = findComponent(root, componentName);
if (old != null) {
root.removeContent(old);
}
for (int i = 0; i < root.getContent().size(); i++) {
Object o = root.getContent().get(i);
if (o instanceof Element) {
Element element = (Element) o;
if (element.getName().equals(COMPONENT_ELEMENT)) {
final String name = element.getAttributeValue(NAME_ATTRIBUTE);
if (componentName.compareTo(name) < 0) {
root.addContent(i, component);
return;
}
}
}
}
root.addContent(component);
}
/**
* Resolve the content of a tag.
*
* @param tagName : Tag name of job XML i.e. <timeout> 10 </timeout>
* @param elem : Element where the tag exists.
* @param eval : EL evealuator
* @return Resolved tag content.
* @throws CoordinatorJobException thrown if failed to resolve tag content
*/
@SuppressWarnings("unchecked")
private String resolveTagContents(String tagName, Element elem, ELEvaluator eval)
throws CoordinatorJobException {
String ret = "";
if (elem != null) {
for (Element tagElem : (List<Element>) elem.getChildren(tagName, elem.getNamespace())) {
if (tagElem != null) {
String updated;
try {
updated = CoordELFunctions.evalAndWrap(eval, tagElem.getText().trim());
} catch (Exception e) {
throw new CoordinatorJobException(ErrorCode.E1004, e.getMessage(), e);
}
tagElem.removeContent();
tagElem.addContent(updated);
ret += updated;
}
}
}
return ret;
}
public static void deleteDataSource(File deploymentFile, String name) {
Document doc;
Element root;
if (deploymentFile == null) {
log.error("DeleteDatasource: passed file is null");
return;
}
if (deploymentFile.exists()) {
try {
SAXBuilder builder = new SAXBuilder();
SelectiveSkippingEntityResolver entityResolver =
SelectiveSkippingEntityResolver.getDtdAndXsdSkippingInstance();
builder.setEntityResolver(entityResolver);
doc = builder.build(deploymentFile);
root = doc.getRootElement();
if (root != null) {
if (!root.getName().equals("datasources")) {
throw new RuntimeException(
"Datasource file format exception on ["
+ deploymentFile
+ "], expected [datasources] element but found ["
+ root.getName()
+ "]");
}
Element datasourceElement = findDatasourceElement(root, name);
root.removeContent(datasourceElement);
}
updateFile(deploymentFile, doc);
} catch (JDOMException e) {
log.error("Parsing error occurred while deleting datasource at file: " + deploymentFile, e);
} catch (IOException e) {
log.error("IO error occurred while deleting datasource at file: " + deploymentFile, e);
}
}
}
/**
* Apply a list of changes to the metadata record in current editing session.
*
* <p>The changes are a list of KVP. A key contains at least the element identifier from the
* meta-document. A key starting with an "X" should contain an XML fragment for the value. The
* following KVP combinations are allowed:
*
* <ul>
* <li>ElementId=ElementValue
* <li>ElementId_AttributeName=AttributeValue
* <li>ElementId_AttributeNamespacePrefixCOLONAttributeName=AttributeValue
* <li>XElementId=ElementValue
* <li>XElementId_ElementName=ElementValue
* </ul>
*
* ElementName MUST contain "{@value #COLON_SEPARATOR}" instead of ":" for prefixed elements.
*
* <p>When using X key, value could contains many XML fragments (eg. <gmd:keywords
* .../>{@value #XML_FRAGMENT_SEPARATOR}<gmd:keywords .../>) separated by {@link
* #XML_FRAGMENT_SEPARATOR}. All those fragments are inserted to the last element of this type in
* its parent if ElementName is set. If not, the element with ElementId is replaced.
*
* <p>
*
* @param dbms
* @param id Metadata internal identifier.
* @param changes List of changes to apply.
* @return The update metadata record
* @throws Exception
*/
protected Element applyChangesEmbedded(Dbms dbms, String id, Hashtable changes) throws Exception {
String schema = dataManager.getMetadataSchema(dbms, id);
EditLib editLib = dataManager.getEditLib();
// --- get metadata from session
Element md = getMetadataFromSession(session, id);
// Store XML fragments to be handled after other elements update
Map<String, String> xmlInputs = new HashMap<String, String>();
// --- update elements
for (Enumeration e = changes.keys(); e.hasMoreElements(); ) {
String ref = ((String) e.nextElement()).trim();
String value = ((String) changes.get(ref)).trim();
String attribute = null;
// Avoid empty key
if (ref.equals("")) {
continue;
}
// Catch element starting with a X to replace XML fragments
if (ref.startsWith("X")) {
ref = ref.substring(1);
xmlInputs.put(ref, value);
continue;
}
if (updatedLocalizedTextElement(md, ref, value, editLib)) {
continue;
}
int at = ref.indexOf('_');
if (at != -1) {
attribute = ref.substring(at + 1);
ref = ref.substring(0, at);
}
Element el = editLib.findElement(md, ref);
if (el == null) {
Log.error(Geonet.EDITOR, MSG_ELEMENT_NOT_FOUND_AT_REF + ref);
continue;
}
// Process attribute
if (attribute != null) {
Pair<Namespace, String> attInfo =
parseAttributeName(attribute, COLON_SEPARATOR, id, md, dbms, editLib);
String localname = attInfo.two();
Namespace attrNS = attInfo.one();
if (el.getAttribute(localname, attrNS) != null) {
el.setAttribute(new Attribute(localname, value, attrNS));
}
} else {
// Process element value
List content = el.getContent();
for (int i = 0; i < content.size(); i++) {
if (content.get(i) instanceof Text) {
el.removeContent((Text) content.get(i));
i--;
}
}
el.addContent(value);
}
}
// Deals with XML fragments to insert or update
if (!xmlInputs.isEmpty()) {
// Loop over each XML fragments to insert or replace
for (String ref : xmlInputs.keySet()) {
String value = xmlInputs.get(ref);
String name = null;
int addIndex = ref.indexOf('_');
if (addIndex != -1) {
name = ref.substring(addIndex + 1);
ref = ref.substring(0, addIndex);
}
// Get element to fill
Element el = editLib.findElement(md, ref);
if (el == null) {
Log.error(Geonet.EDITOR, MSG_ELEMENT_NOT_FOUND_AT_REF + ref);
continue;
}
if (value != null && !value.equals("")) {
String[] fragments = value.split(XML_FRAGMENT_SEPARATOR);
for (String fragment : fragments) {
if (name != null) {
if (Log.isDebugEnabled(Geonet.EDITOR))
Log.debug(
Geonet.EDITOR,
"Add XML fragment; " + fragment + " to element with ref: " + ref);
name = name.replace(COLON_SEPARATOR, ":");
editLib.addFragment(schema, el, name, fragment);
} else {
if (Log.isDebugEnabled(Geonet.EDITOR))
Log.debug(
Geonet.EDITOR,
"Add XML fragment; "
+ fragment
+ " to element with ref: "
+ ref
+ " replacing content.");
// clean before update
el.removeContent();
fragment = addNamespaceToFragment(fragment);
// Add content
el.addContent(Xml.loadString(fragment, false));
}
}
}
}
}
// --- remove editing info
editLib.removeEditingInfo(md);
editLib.contractElements(md);
return (Element) md.detach();
}
/**
* For Ajax Editing : removes an element from a metadata ([del] link).
*
* @param dbms
* @param session
* @param id
* @param ref
* @param parentRef
* @return
* @throws Exception
*/
public synchronized Element deleteElementEmbedded(
Dbms dbms, UserSession session, String id, String ref, String parentRef) throws Exception {
String schema = dataManager.getMetadataSchema(dbms, id);
// --- get metadata from session
Element md = getMetadataFromSession(session, id);
// --- locate the geonet:info element and clone for later re-use
Element info = (Element) (md.getChild(Edit.RootChild.INFO, Edit.NAMESPACE)).clone();
md.removeChild(Edit.RootChild.INFO, Edit.NAMESPACE);
// --- get element to remove
EditLib editLib = dataManager.getEditLib();
Element el = editLib.findElement(md, ref);
if (el == null) throw new IllegalStateException(MSG_ELEMENT_NOT_FOUND_AT_REF + ref);
String uName = el.getName();
Namespace ns = el.getNamespace();
Element parent = el.getParentElement();
Element result = null;
if (parent != null) {
int me = parent.indexOf(el);
// --- check and see whether the element to be deleted is the last one of its kind
Filter elFilter = new ElementFilter(uName, ns);
if (parent.getContent(elFilter).size() == 1) {
// --- get geonet child element with attribute name = unqualified name
Filter chFilter = new ElementFilter(Edit.RootChild.CHILD, Edit.NAMESPACE);
List children = parent.getContent(chFilter);
for (int i = 0; i < children.size(); i++) {
Element ch = (Element) children.get(i);
String name = ch.getAttributeValue("name");
if (name != null && name.equals(uName)) {
result = (Element) ch.clone();
break;
}
}
// -- now delete the element as requested
parent.removeContent(me);
// --- existing geonet child element not present so create it and insert it
// --- where the last element was deleted
if (result == null) {
result = editLib.createElement(schema, el, parent);
parent.addContent(me, result);
}
result.setAttribute(Edit.ChildElem.Attr.PARENT, parentRef);
result.addContent(info);
}
// --- if not the last one then just delete it
else {
parent.removeContent(me);
}
} else {
throw new IllegalStateException("Element at ref = " + ref + " doesn't have a parent");
}
// if we don't need a child then create a geonet:null element
if (result == null) {
result = new Element(Edit.RootChild.NULL, Edit.NAMESPACE);
result.addContent(info);
}
// --- reattach the info element to the metadata
md.addContent((Element) info.clone());
// --- store the metadata in the session again
setMetadataIntoSession(session, (Element) md.clone(), id);
return result;
}
private void handleTmxProp(TmxProp tmxProp, LinguisticProperty ling, Element tuv, Object data) {
if (tmxProp != null) {
if (ling.getPropStatus().equals(LinguisticProperty.PropStatus.DELETED)) {
// now handle associations with Elements and Attributes
if (data != null) {
if (data.getClass().getCanonicalName().equals("org.jdom.Element")) {
Element element = (Element) data;
if (element != null) {
Element parent = element.getParentElement();
if (parent != null) parent.removeContent(element);
}
} else if (data.getClass().getCanonicalName().equals("org.jdom.Attribute")) {
Attribute attribute = (Attribute) data;
if (attribute != null) {
Element parent = attribute.getParent();
if (parent != null) parent.removeAttribute(attribute);
}
}
}
return;
}
@SuppressWarnings("unused")
String id = tmxProp.getId() + "";
String content = tmxProp.getContent();
String language = tmxProp.getLang();
String o_encoding = tmxProp.getO_encoding();
PropType propType = tmxProp.getPropType();
String type = tmxProp.getType(); // this is actually the property name, e.g. creation-id
// now we must check if contained in the tuv
// we must check if CORE or PROP OR NOTE attribute
if (propType.equals(PropType.CORE)) {
Attribute attr = tuv.getAttribute(type);
if (!attr.getValue().equals(content)) attr.setValue(content);
} else if (propType.equals(PropType.PROP)) {
Element prop = tuv.getChild(type); // we identify based on the child
if (prop == null) // a new one
{
prop = new Element("prop");
prop.setText(content);
if (type != null) prop.setAttribute("type", type);
if (language != null) {
prop.setAttribute("lang", language, Namespace.XML_NAMESPACE);
}
if (o_encoding != null) prop.setAttribute("o-encoding", o_encoding);
tuv.addContent(prop);
} else {
// we only allow the content to change!
if (!prop.getText().equals(content)) prop.setText(content);
}
} else if (propType.equals(PropType.NOTE)) {
Element prop = tuv.getChild(type); // we identify based on the child
if (prop == null) // a new one
{
prop = new Element("note");
prop.setText(content);
if (type != null) prop.setAttribute("type", type);
if (language != null) {
prop.setAttribute("lang", language, Namespace.XML_NAMESPACE);
}
if (o_encoding != null) prop.setAttribute("o-encoding", o_encoding);
tuv.addContent(prop);
} else {
// we only allow the content to change!
if (!prop.getText().equals(content)) prop.setText(content);
}
}
ling.setPropStatus(LinguisticProperty.PropStatus.OLD);
}
}
public void sync() throws SynchronizationException {
Properties serviceProps = new Properties();
// load up the service properties
if (getServiceInformation().getServiceProperties() != null
&& getServiceInformation().getServiceProperties().getProperty() != null) {
for (int i = 0;
i < getServiceInformation().getServiceProperties().getProperty().length;
i++) {
ServicePropertiesProperty prop =
getServiceInformation().getServiceProperties().getProperty(i);
if (prop.getValue() == null) {
serviceProps.put(prop.getKey(), "");
} else {
serviceProps.put(prop.getKey(), prop.getValue());
}
}
}
// write the service propertis out
try {
serviceProps.store(
new FileOutputStream(
new File(
getBaseDirectory().getAbsolutePath()
+ File.separator
+ IntroduceConstants.INTRODUCE_SERVICE_PROPERTIES)),
"service deployment properties");
} catch (Exception ex) {
throw new SynchronizationException(ex.getMessage(), ex);
}
// update the JNDI file to have all the right properties and thier
// values....
File jndiConfigF =
new File(getBaseDirectory().getAbsolutePath() + File.separator + "jndi-config.xml");
try {
Document doc = XMLUtilities.fileNameToDocument(jndiConfigF.getAbsolutePath());
List serviceEls =
doc.getRootElement().getChildren("service", doc.getRootElement().getNamespace());
for (int serviceI = 0; serviceI < serviceEls.size(); serviceI++) {
Element serviceEl = (Element) serviceEls.get(serviceI);
String serviceName = serviceEl.getAttributeValue("name");
int startOfServiceName = serviceName.lastIndexOf("/");
serviceName = serviceName.substring(startOfServiceName + 1);
ServiceType service =
CommonTools.getService(getServiceInformation().getServices(), serviceName);
if (service == null) {
service =
CommonTools.getService(
getServiceInformation().getServices(), serviceName + "Service");
if (service == null) {
throw new SynchronizationException(
"Could not find service in the service information in SyncProperties: "
+ serviceName);
}
}
List resourceEls = serviceEl.getChildren("resource", serviceEl.getNamespace());
for (int resourceI = 0; resourceI < resourceEls.size(); resourceI++) {
Element resourceEl = (Element) resourceEls.get(resourceI);
if (serviceI == serviceEls.size() - 1
&& resourceEl.getAttributeValue("name").equals("serviceconfiguration")) {
// located a serviceconfiguration element, need to
// populate it's attributes now...
JNDIConfigServicePropertiesTemplate serviceConfTemp =
new JNDIConfigServicePropertiesTemplate();
String confXMLString =
serviceConfTemp.generate(
new SpecificServiceInformation(getServiceInformation(), service));
Element newResourceEl = XMLUtilities.stringToDocument(confXMLString).getRootElement();
serviceEl.removeContent(resourceEl);
serviceEl.addContent(resourceI, newResourceEl.detach());
} else if (resourceEl.getAttributeValue("name").equals("configuration")) {
// located a configuration element, need to
// populate it's attributes now...
JNDIConfigServiceResourcePropertiesTemplate serviceResourceConfTemp =
new JNDIConfigServiceResourcePropertiesTemplate();
String confXMLString =
serviceResourceConfTemp.generate(
new SpecificServiceInformation(getServiceInformation(), service));
Element newResourceEl = XMLUtilities.stringToDocument(confXMLString).getRootElement();
serviceEl.removeContent(resourceEl);
serviceEl.addContent(resourceI, newResourceEl.detach());
}
}
}
try {
FileWriter fw = new FileWriter(jndiConfigF);
fw.write(XMLUtilities.formatXML(XMLUtilities.documentToString(doc)));
fw.close();
} catch (IOException e) {
throw new SynchronizationException(e.getMessage(), e);
}
} catch (Exception e) {
throw new SynchronizationException(e.getMessage(), e);
}
}
/**
* TODO javadoc.
*
* @param dbms
* @param id
* @param changes
* @param currVersion
* @return
* @throws Exception
*/
private Element applyChanges(Dbms dbms, String id, Hashtable changes, String currVersion)
throws Exception {
Lib.resource.checkEditPrivilege(context, id);
Element md = xmlSerializer.select(dbms, "Metadata", id, context);
// --- check if the metadata has been deleted
if (md == null) {
return null;
}
EditLib editLib = dataManager.getEditLib();
String schema = dataManager.getMetadataSchema(dbms, id);
editLib.expandElements(schema, md);
editLib.enumerateTree(md);
// --- check if the metadata has been modified from last time
if (currVersion != null && !editLib.getVersion(id).equals(currVersion)) {
return null;
}
// --- update elements
for (Enumeration e = changes.keys(); e.hasMoreElements(); ) {
String ref = ((String) e.nextElement()).trim();
String val = ((String) changes.get(ref)).trim();
String attr = null;
if (updatedLocalizedTextElement(md, ref, val, editLib)) {
continue;
}
int at = ref.indexOf('_');
if (at != -1) {
attr = ref.substring(at + 1);
ref = ref.substring(0, at);
}
boolean xmlContent = false;
if (ref.startsWith("X")) {
ref = ref.substring(1);
xmlContent = true;
}
Element el = editLib.findElement(md, ref);
if (el == null) throw new IllegalStateException("Element not found at ref = " + ref);
if (attr != null) {
// The following work-around decodes any attribute name that has a COLON in it
// The : is replaced by the word COLON in the xslt so that it can be processed
// by the XML Serializer when an update is submitted - a better solution is
// to modify the argument handler in Jeeves to store arguments with their name
// as a value rather than as the element itself
Integer indexColon = attr.indexOf("COLON");
if (indexColon != -1) {
String prefix = attr.substring(0, indexColon);
String localname = attr.substring(indexColon + 5);
String namespace =
editLib.getNamespace(prefix + ":" + localname, md, dataManager.getSchema(schema));
Namespace attrNS = Namespace.getNamespace(prefix, namespace);
if (el.getAttribute(localname, attrNS) != null) {
el.setAttribute(new Attribute(localname, val, attrNS));
}
// End of work-around
} else {
if (el.getAttribute(attr) != null) el.setAttribute(new Attribute(attr, val));
}
} else if (xmlContent) {
if (Log.isDebugEnabled(Geonet.EDITOR)) Log.debug(Geonet.EDITOR, "replacing XML content");
el.removeContent();
val = addNamespaceToFragment(val);
el.addContent(Xml.loadString(val, false));
} else {
List content = el.getContent();
for (int i = 0; i < content.size(); i++) {
if (content.get(i) instanceof Text) {
el.removeContent((Text) content.get(i));
i--;
}
}
el.addContent(val);
}
}
// --- remove editing info added by previous call
editLib.removeEditingInfo(md);
editLib.contractElements(md);
return md;
}