diff options
Diffstat (limited to 'trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/util/LoggingProxy.java')
-rw-r--r-- | trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/util/LoggingProxy.java | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/util/LoggingProxy.java b/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/util/LoggingProxy.java deleted file mode 100644 index eda97e0ed2..0000000000 --- a/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/util/LoggingProxy.java +++ /dev/null @@ -1,105 +0,0 @@ -/* - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - * - */ -package org.apache.qpid.server.util; - -import java.lang.reflect.InvocationHandler; -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; -import java.lang.reflect.Proxy; -import java.util.Arrays; - -/** - * Dynamic proxy that records invocations in a fixed size circular buffer, - * dumping details on hitting an exception. - * <p> - * Useful in debugging. - * <p> - */ -public class LoggingProxy implements InvocationHandler -{ - private final Object _target; - private final CircularBuffer _log; - - public LoggingProxy(Object target, int size) - { - _target = target; - _log = new CircularBuffer(size); - } - - public Object invoke(Object proxy, Method method, Object[] args) throws Throwable - { - try - { - entered(method, args); - Object result = method.invoke(_target, args); - returned(method, result); - return result; - } - catch(InvocationTargetException e) - { - dump(); - throw e.getTargetException(); - } - } - - void dump() - { - _log.dump(); - } - - CircularBuffer getBuffer() - { - return _log; - } - - private synchronized void entered(Method method, Object[] args) - { - if (args == null) - { - _log.add(Thread.currentThread() + ": " + method.getName() + "() entered"); - } - else - { - _log.add(Thread.currentThread() + ": " + method.getName() + "(" + Arrays.toString(args) + ") entered"); - } - } - - private synchronized void returned(Method method, Object result) - { - if (method.getReturnType() == Void.TYPE) - { - _log.add(Thread.currentThread() + ": " + method.getName() + "() returned"); - } - else - { - _log.add(Thread.currentThread() + ": " + method.getName() + "() returned " + result); - } - } - - public Object getProxy(Class... c) - { - return Proxy.newProxyInstance(_target.getClass().getClassLoader(), c, this); - } - - public int getBufferSize() { - return _log.size(); - } -} |