/** * If CS throws an exception it handled and transalated to a Openfire exception if possible. This * is done using <code>exceptionMap</code> that has a mapping from CS to OF. If no mapping is * found then it tries to instantiete the original exception. If this fails it throws a <code> * Exception</code> with the message of the CS exception. * * @param response the response from CS to check if it is an exception message. * @throws Exception if the response is an exception message. */ private void checkFault(Element response) throws Exception { Node node = response.selectSingleNode("ns1:faultstring"); if (node != null) { String exceptionText = node.getText(); // Text accepted samples: // 'java.lang.Exception: Exception message' // 'java.lang.Exception' // Get the exception class and message if any int index = exceptionText.indexOf(":"); String className; String message; // If there is no message, save the class only if (index == -1) { className = exceptionText; message = null; } else { // Else save both className = exceptionText.substring(0, index); message = exceptionText.substring(index + 2); } // Map the exception to a Openfire one, if possible if (exceptionMap.containsKey(className)) { className = exceptionMap.get(className); } // Tries to create an instance with the message Exception exception; try { Class exceptionClass = Class.forName(className); if (message == null) { exception = (Exception) exceptionClass.newInstance(); } else { Constructor constructor = exceptionClass.getConstructor(String.class); exception = (Exception) constructor.newInstance(message); } } catch (Exception e) { // failed to create an specific exception, creating a standard one. exception = new Exception(exceptionText); } throw exception; } }
private GroupManager() { // Initialize caches. CacheManager.initializeCache("group", 128 * 1024); CacheManager.initializeCache("group member", 32 * 1024); groupCache = CacheManager.getCache("group"); // Load a group provider. String className = JiveGlobals.getXMLProperty( "provider.group.className", "org.jivesoftware.wildfire.group.DefaultGroupProvider"); try { Class c = ClassUtils.forName(className); provider = (GroupProvider) c.newInstance(); } catch (Exception e) { Log.error("Error loading group provider: " + className, e); provider = new DefaultGroupProvider(); } }