| /* |
| * 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.commons.proxy.interceptor; |
| |
| import org.apache.commons.proxy.Interceptor; |
| import org.apache.commons.proxy.Invocation; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| |
| /** |
| * An interceptor which makes a serialized copy of all parameters and return values. This |
| * is useful when testing remote services to ensure that all parameter/return types |
| * are in fact serializable/deserializable. |
| * @since 1.0 |
| */ |
| public class SerializingInterceptor implements Interceptor |
| { |
| public Object intercept(Invocation invocation) throws Throwable |
| { |
| Object[] arguments = invocation.getArguments(); |
| for (int i = 0; i < arguments.length; i++) |
| { |
| arguments[i] = serializedCopy(arguments[i]); |
| } |
| return serializedCopy(invocation.proceed()); |
| } |
| |
| private Object serializedCopy(Object original) |
| { |
| try |
| { |
| final ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| final ObjectOutputStream oout = new ObjectOutputStream(bout); |
| oout.writeObject(original); |
| oout.close(); |
| bout.close(); |
| final ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
| final ObjectInputStream oin = new ObjectInputStream(bin); |
| final Object copy = oin.readObject(); |
| oin.close(); |
| bin.close(); |
| return copy; |
| } |
| catch (IOException e) |
| { |
| throw new RuntimeException( "Unable to make serialized copy of " + |
| original.getClass().getName() + " object.", e ); |
| } |
| catch (ClassNotFoundException e) |
| { |
| throw new RuntimeException( "Unable to make serialized copy of " + |
| original.getClass().getName() + " object.", e ); |
| } |
| } |
| } |