public static boolean addDefaultHandlersIfNotAvailable(Registry configSystemRegistry)
throws RegistryException, FileNotFoundException, XMLStreamException {
if (!configSystemRegistry.resourceExists(RegistryConstants.HANDLER_CONFIGURATION_PATH)) {
Collection handlerConfigurationCollection = new CollectionImpl();
String description = "Handler configurations are stored here.";
handlerConfigurationCollection.setDescription(description);
configSystemRegistry.put(
RegistryConstants.HANDLER_CONFIGURATION_PATH, handlerConfigurationCollection);
// We don't have any default handler configuration as in lifecycles.
} else {
// configue all handlers
Resource handlerRoot = configSystemRegistry.get(getContextRoot());
if (!(handlerRoot instanceof Collection)) {
String msg =
"Failed to continue as the handler configuration root: "
+ getContextRoot()
+ " is not a collection.";
log.error(msg);
throw new RegistryException(msg);
}
Collection handlerRootCol = (Collection) handlerRoot;
String[] handlerConfigPaths = handlerRootCol.getChildren();
if (handlerConfigPaths != null) {
for (String handlerConfigPath : handlerConfigPaths) {
generateHandler(configSystemRegistry, handlerConfigPath);
}
}
}
return true;
}
public static boolean generateHandler(Registry configSystemRegistry, String resourceFullPath)
throws RegistryException, XMLStreamException {
RegistryContext registryContext = configSystemRegistry.getRegistryContext();
if (registryContext == null) {
return false;
}
Resource resource = configSystemRegistry.get(resourceFullPath);
if (resource != null) {
String content = null;
if (resource.getContent() != null) {
content = RegistryUtils.decodeBytes((byte[]) resource.getContent());
}
if (content != null) {
OMElement handler = AXIOMUtil.stringToOM(content);
if (handler != null) {
OMElement dummy = OMAbstractFactory.getOMFactory().createOMElement("dummy", null);
dummy.addChild(handler);
try {
configSystemRegistry.beginTransaction();
boolean status =
RegistryConfigurationProcessor.updateHandler(
dummy,
configSystemRegistry.getRegistryContext(),
HandlerLifecycleManager.USER_DEFINED_HANDLER_PHASE);
configSystemRegistry.commitTransaction();
return status;
} catch (Exception e) {
configSystemRegistry.rollbackTransaction();
throw new RegistryException("Unable to add handler", e);
}
}
}
}
return false;
}
public static String[] getHandlerList(Registry configSystemRegistry) throws RegistryException {
Collection collection;
try {
collection = (Collection) configSystemRegistry.get(getContextRoot());
} catch (Exception e) {
return null;
}
if (collection == null) {
CollectionImpl handlerCollection = new CollectionImpl();
configSystemRegistry.put(getContextRoot(), handlerCollection);
return null;
} else {
if (collection.getChildCount() == 0) {
return null;
}
String[] childrenList = collection.getChildren();
String[] handlerNameList = new String[collection.getChildCount()];
for (int i = 0; i < childrenList.length; i++) {
String path = childrenList[i];
handlerNameList[i] = path.substring(path.lastIndexOf(RegistryConstants.PATH_SEPARATOR) + 1);
}
return handlerNameList;
}
}
public static String getHandlerConfiguration(Registry configSystemRegistry, String name)
throws RegistryException, XMLStreamException {
String path = getContextRoot() + name;
Resource resource;
if (handlerExists(configSystemRegistry, name)) {
resource = configSystemRegistry.get(path);
return RegistryUtils.decodeBytes((byte[]) resource.getContent());
}
return null;
}
/**
* Simulates a configSystemRegistry operation.
*
* <p>Operation criteria: get - path put - path, resourcePath (existing resource), optional :
* mediaType resourceExists - path delete - path importResource - path, param1 (URL: source URL),
* optional : mediaType copy - path, param1 (target path) move - path, param1 (target path) rename
* - path, param1 (target path) removeLink - path createLink - path, param1 (target path),
* optional : param2 (target sub-path) invokeAspect - path, param1 (aspect name), param2 (action)
* addAssociation - path, param1 (target path), param2 (association type) removeAssociation -
* path, param1 (target path), param2 (association type) getAssociations - path, param1
* (association type) getAllAssociations - path createVersion - path restoreVersion - path
* getVersions - path applyTag - path, param1 (tag) removeTag - path, param1 (tag) getTags - path
* getResourcePathsWithTag - param1 (tag) rateResource - path, param1 (Number: rating) getRating -
* path, param1 (username) getAverageRating - path addComment - path, param1 (comment)
* removeComment - path editComment - path, param1 (comment) getComments - path searchContent -
* param1 (keywords) executeQuery - param1 (Map: parameters, ex:- key1:val1,key2:val2,...),
* optional: path
*
* <p>Operations not-supported dump restore
*
* @param simulationRequest the simulation request.
* @throws Exception if an exception occurs while executing any operation, or if an invalid
* parameter was entered.
*/
public static void simulateRegistryOperation(
Registry rootRegistry, SimulationRequest simulationRequest) throws Exception {
String operation = simulationRequest.getOperation();
if (operation == null) {
return;
}
if (operation.toLowerCase().equals("get")) {
String path = simulationRequest.getPath();
if (isInvalidateValue(path)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.get(path);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("resourceexists")) {
String path = simulationRequest.getPath();
if (isInvalidateValue(path)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.resourceExists(path);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("put")) {
String path = simulationRequest.getPath();
String resourcePath = simulationRequest.getResourcePath();
String type = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 1) {
type = params[0];
}
if (isInvalidateValue(path) || isInvalidateValue(type)) {
return;
}
Resource resource;
if (!isInvalidateValue(resourcePath) && rootRegistry.resourceExists(resourcePath)) {
resource = rootRegistry.get(resourcePath);
} else if (type.toLowerCase().equals("collection")) {
resource = rootRegistry.newCollection();
} else {
resource = rootRegistry.newResource();
}
simulationService.setSimulation(true);
resource.setMediaType(simulationRequest.getMediaType());
rootRegistry.put(path, resource);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("delete")) {
String path = simulationRequest.getPath();
if (isInvalidateValue(path)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.delete(path);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("importresource")) {
String path = simulationRequest.getPath();
String sourceURL = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 1) {
sourceURL = params[0];
}
if (isInvalidateValue(path) || isInvalidateValue(sourceURL)) {
return;
}
simulationService.setSimulation(true);
Resource resource = rootRegistry.newResource();
resource.setMediaType(simulationRequest.getMediaType());
rootRegistry.importResource(path, sourceURL, resource);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("rename")) {
String path = simulationRequest.getPath();
String target = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 1) {
target = params[0];
}
if (isInvalidateValue(path) || isInvalidateValue(target)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.rename(path, target);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("move")) {
String path = simulationRequest.getPath();
String target = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 1) {
target = params[0];
}
if (isInvalidateValue(path) || isInvalidateValue(target)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.move(path, target);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("copy")) {
String path = simulationRequest.getPath();
String target = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 1) {
target = params[0];
}
if (isInvalidateValue(path) || isInvalidateValue(target)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.copy(path, target);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("removelink")) {
String path = simulationRequest.getPath();
if (isInvalidateValue(path)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.removeLink(path);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("createlink")) {
String path = simulationRequest.getPath();
String target = null;
String targetSubPath = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length > 0) {
target = params[0];
if (params.length > 1) {
targetSubPath = params[1];
}
}
if (isInvalidateValue(path) || isInvalidateValue(target)) {
return;
}
simulationService.setSimulation(true);
if (isInvalidateValue(targetSubPath)) {
rootRegistry.createLink(path, target);
} else {
rootRegistry.createLink(path, target, targetSubPath);
}
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("invokeaspect")) {
String path = simulationRequest.getPath();
String aspectName = null;
String action = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 2) {
aspectName = params[0];
action = params[1];
}
if (isInvalidateValue(path) || isInvalidateValue(aspectName) || isInvalidateValue(action)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.invokeAspect(path, aspectName, action);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("addassociation")) {
String path = simulationRequest.getPath();
String target = null;
String associationType = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 2) {
target = params[0];
associationType = params[1];
}
if (isInvalidateValue(path)
|| isInvalidateValue(target)
|| isInvalidateValue(associationType)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.addAssociation(path, target, associationType);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("removeassociation")) {
String path = simulationRequest.getPath();
String target = null;
String associationType = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 2) {
target = params[0];
associationType = params[1];
}
if (isInvalidateValue(path)
|| isInvalidateValue(target)
|| isInvalidateValue(associationType)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.removeAssociation(path, target, associationType);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("getassociations")) {
String path = simulationRequest.getPath();
String associationType = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 1) {
associationType = params[0];
}
if (isInvalidateValue(path) || isInvalidateValue(associationType)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.getAssociations(path, associationType);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("getallassociations")) {
String path = simulationRequest.getPath();
if (isInvalidateValue(path)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.getAllAssociations(path);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("createversion")) {
String path = simulationRequest.getPath();
if (isInvalidateValue(path)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.createVersion(path);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("restoreversion")) {
String path = simulationRequest.getPath();
if (isInvalidateValue(path)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.restoreVersion(path);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("getversions")) {
String path = simulationRequest.getPath();
if (isInvalidateValue(path)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.getVersions(path);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("applytag")) {
String path = simulationRequest.getPath();
String tag = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 1) {
tag = params[0];
}
if (isInvalidateValue(path) || isInvalidateValue(tag)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.applyTag(path, tag);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("removetag")) {
String path = simulationRequest.getPath();
String tag = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 1) {
tag = params[0];
}
if (isInvalidateValue(path) || isInvalidateValue(tag)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.removeTag(path, tag);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("gettags")) {
String path = simulationRequest.getPath();
if (isInvalidateValue(path)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.getTags(path);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("getresourcepathswithtag")) {
String tag = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 1) {
tag = params[0];
}
if (isInvalidateValue(tag)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.getResourcePathsWithTag(tag);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("rateresource")) {
String path = simulationRequest.getPath();
int rating = -1;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 1) {
try {
rating = Integer.parseInt(params[0]);
} catch (NumberFormatException ignored) {
return;
}
}
if (isInvalidateValue(path) || rating == -1) {
return;
}
simulationService.setSimulation(true);
rootRegistry.rateResource(path, rating);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("getrating")) {
String path = simulationRequest.getPath();
String username = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 1) {
username = params[0];
}
if (isInvalidateValue(path) || isInvalidateValue(username)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.getRating(path, username);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("getaveragerating")) {
String path = simulationRequest.getPath();
if (isInvalidateValue(path)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.getAverageRating(path);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("addcomment")) {
String path = simulationRequest.getPath();
String comment = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 1) {
comment = params[0];
}
if (isInvalidateValue(path) || isInvalidateValue(comment)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.addComment(path, new Comment(comment));
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("editcomment")) {
String path = simulationRequest.getPath();
String comment = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 1) {
comment = params[0];
}
if (isInvalidateValue(path) || isInvalidateValue(comment)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.editComment(path, comment);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("removeComment")) {
String path = simulationRequest.getPath();
if (isInvalidateValue(path)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.removeComment(path);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("getcomments")) {
String path = simulationRequest.getPath();
if (isInvalidateValue(path)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.getComments(path);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("searchcontent")) {
String keywords = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 1) {
keywords = params[0];
}
if (isInvalidateValue(keywords)) {
return;
}
simulationService.setSimulation(true);
rootRegistry.searchContent(keywords);
simulationService.setSimulation(false);
} else if (operation.toLowerCase().equals("executequery")) {
String path = simulationRequest.getPath();
String queryParams = null;
String[] params = simulationRequest.getParameters();
if (params != null && params.length >= 1) {
queryParams = params[0];
}
Map<String, String> paramMap = new LinkedHashMap<String, String>();
if (isInvalidateValue(queryParams)) {
return;
}
String[] entries = queryParams.split(",");
if (entries != null) {
for (String entry : entries) {
String[] keyValPair = entry.split(":");
if (keyValPair != null && keyValPair.length == 2) {
paramMap.put(keyValPair[0], keyValPair[1]);
}
}
}
simulationService.setSimulation(true);
rootRegistry.executeQuery(path, paramMap);
simulationService.setSimulation(false);
} else {
throw new Exception("Unsupported Registry Operation: " + operation);
}
}
public static boolean updateHandler(Registry configSystemRegistry, String oldName, String payload)
throws RegistryException, XMLStreamException {
if (isHandlerNameInUse(oldName))
throw new RegistryException("Could not update handler since it is already in use!");
String newName = null;
OMElement element = AXIOMUtil.stringToOM(payload);
if (element != null) {
newName = element.getAttributeValue(new QName("class"));
}
if (newName == null || newName.equals("")) return false; // invalid configuration
if (oldName == null || oldName.equals("")) {
String path = getContextRoot() + newName;
Resource resource;
if (handlerExists(configSystemRegistry, newName)) {
return false; // we are adding a new handler
} else {
resource = new ResourceImpl();
}
resource.setContent(payload);
try {
configSystemRegistry.beginTransaction();
configSystemRegistry.put(path, resource);
generateHandler(configSystemRegistry, path);
configSystemRegistry.commitTransaction();
} catch (Exception e) {
configSystemRegistry.rollbackTransaction();
throw new RegistryException("Unable to generate handler", e);
}
return true;
}
if (newName.equals(oldName)) {
// updating the rest of the content
String oldPath = getContextRoot() + oldName;
Resource resource;
if (handlerExists(configSystemRegistry, oldName)) {
resource = configSystemRegistry.get(oldPath);
} else {
resource = new ResourceImpl(); // will this ever happen?
}
resource.setContent(payload);
try {
configSystemRegistry.beginTransaction();
removeHandler(configSystemRegistry, oldName);
configSystemRegistry.put(oldPath, resource);
generateHandler(configSystemRegistry, oldPath);
configSystemRegistry.commitTransaction();
} catch (Exception e) {
configSystemRegistry.rollbackTransaction();
throw new RegistryException("Unable to generate handler", e);
}
return true;
} else {
String oldPath = getContextRoot() + oldName;
String newPath = getContextRoot() + newName;
if (handlerExists(configSystemRegistry, newName)) {
return false; // we are trying to use the name of a existing handler
}
Resource resource;
if (handlerExists(configSystemRegistry, oldName)) {
resource = configSystemRegistry.get(oldPath);
} else {
resource = new ResourceImpl(); // will this ever happen?
}
resource.setContent(payload);
try {
configSystemRegistry.beginTransaction();
configSystemRegistry.put(newPath, resource);
generateHandler(configSystemRegistry, newPath);
removeHandler(configSystemRegistry, oldName);
configSystemRegistry.delete(oldPath);
configSystemRegistry.commitTransaction();
} catch (Exception e) {
configSystemRegistry.rollbackTransaction();
throw new RegistryException("Unable to renew handler", e);
}
return true;
}
}