// Copyright 2004, 2005 The Apache Software Foundation
//
// Licensed 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.examples.impl;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Proxy;
import org.apache.commons.logging.Log;
import org.apache.hivemind.InterceptorStack;
import org.apache.hivemind.ServiceInterceptorFactory;
import org.apache.hivemind.internal.Module;
/**
* Creates a simple, proxy-based interceptor that mimics most (but not all) of the behavior
* of {@link org.apache.hivemind.service.impl.LoggingInterceptorClassFactory}.
*
* @author Howard Lewis Ship
*/
public class ProxyLoggingInterceptorFactory implements ServiceInterceptorFactory
{
public void createInterceptor(InterceptorStack stack, Module invokingModule, Object parameters)
{
Log log = stack.getServiceLog();
InvocationHandler handler = new ProxyLoggingInvocationHandler(log, stack.peek());
Object interceptor =
Proxy.newProxyInstance(
invokingModule.getClassResolver().getClassLoader(),
new Class[] { stack.getServiceInterface()},
handler);
stack.push(interceptor);
}
}