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 boolean addHandler(Registry configSystemRegistry, String payload)
throws RegistryException, XMLStreamException {
String name;
OMElement element = AXIOMUtil.stringToOM(payload);
if (element != null) {
name = element.getAttributeValue(new QName("class"));
} else return false;
if (isHandlerNameInUse(name))
throw new RegistryException("The added handler name is already in use!");
String path = getContextRoot() + name;
Resource resource;
if (!handlerExists(configSystemRegistry, name)) {
resource = new ResourceImpl();
} else {
throw new RegistryException("The added handler name is already in use!");
}
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;
}
public static boolean removeHandler(Registry configSystemRegistry, String handlerName)
throws RegistryException, XMLStreamException {
String handlerConfiguration = getHandlerConfiguration(configSystemRegistry, handlerName);
if (handlerConfiguration != null) {
OMElement element = AXIOMUtil.stringToOM(handlerConfiguration);
try {
try {
configSystemRegistry.beginTransaction();
RegistryConfigurationProcessor.HandlerDefinitionObject handlerDefinitionObject =
new RegistryConfigurationProcessor.HandlerDefinitionObject(null, element).invoke();
String[] methods = handlerDefinitionObject.getMethods();
Filter filter = handlerDefinitionObject.getFilter();
Handler handler = handlerDefinitionObject.getHandler();
if (handlerDefinitionObject.getTenantId() != -1) {
CurrentSession.setCallerTenantId(handlerDefinitionObject.getTenantId());
// We need to swap the tenant id for this call, if the handler has overriden the
// default value.
configSystemRegistry
.getRegistryContext()
.getHandlerManager()
.removeHandler(
methods, filter, handler, HandlerLifecycleManager.USER_DEFINED_HANDLER_PHASE);
CurrentSession.removeCallerTenantId();
} else {
configSystemRegistry
.getRegistryContext()
.getHandlerManager()
.removeHandler(
methods, filter, handler, HandlerLifecycleManager.USER_DEFINED_HANDLER_PHASE);
}
configSystemRegistry.commitTransaction();
return true;
} catch (Exception e) {
configSystemRegistry.rollbackTransaction();
throw e;
}
} catch (Exception e) {
if (e instanceof RegistryException) {
throw (RegistryException) e;
} else if (e instanceof XMLStreamException) {
throw (XMLStreamException) e;
}
throw new RegistryException("Unable to build handler configuration", e);
}
}
return false;
}
public static boolean deleteHandler(Registry configSystemRegistry, String name)
throws RegistryException, XMLStreamException {
if (isHandlerNameInUse(name))
throw new RegistryException("Handler could not be deleted, since it is already in use!");
String path = getContextRoot() + name;
if (configSystemRegistry.resourceExists(path)) {
try {
configSystemRegistry.beginTransaction();
removeHandler(configSystemRegistry, name);
configSystemRegistry.delete(path);
configSystemRegistry.commitTransaction();
} catch (Exception e) {
configSystemRegistry.rollbackTransaction();
throw new RegistryException("Unable to remove handler", e);
}
return true;
}
return false;
}
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;
}
}
