001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.geronimo.jetty6.cluster.wadi;
018
019 import java.io.IOException;
020
021 import javax.servlet.FilterChain;
022 import javax.servlet.ServletException;
023 import javax.servlet.ServletRequest;
024 import javax.servlet.ServletResponse;
025 import javax.servlet.http.HttpServletRequest;
026 import javax.servlet.http.HttpServletResponse;
027
028 import org.apache.geronimo.clustering.ClusteredInvocation;
029 import org.apache.geronimo.clustering.ClusteredInvocationException;
030 import org.apache.geronimo.jetty6.cluster.AbstractClusteredPreHandler;
031 import org.codehaus.wadi.core.contextualiser.InvocationException;
032 import org.codehaus.wadi.core.manager.Manager;
033 import org.codehaus.wadi.web.impl.WebInvocation;
034
035
036 /**
037 *
038 * @version $Rev$ $Date$
039 */
040 public class WADIClusteredPreHandler extends AbstractClusteredPreHandler {
041 private final Manager wadiManager;
042
043 public WADIClusteredPreHandler(Manager wadiManager) {
044 this.wadiManager = wadiManager;
045 }
046
047 protected ClusteredInvocation newClusteredInvocation(String target, HttpServletRequest request,
048 HttpServletResponse response, int dispatch) {
049 return new WADIWebClusteredInvocation(target, request, response, dispatch);
050 }
051
052 protected class WADIWebClusteredInvocation extends WebClusteredInvocation {
053
054 public WADIWebClusteredInvocation(String target, HttpServletRequest request,
055 HttpServletResponse response, int dispatch) {
056 super(target, request, response, dispatch);
057 }
058
059 public void invoke() throws ClusteredInvocationException {
060 WebInvocation invocation = new WebInvocation(5000);
061 FilterChain chainAdapter = new FilterChain() {
062 public void doFilter(ServletRequest request, ServletResponse response) throws IOException, ServletException {
063 try {
064 invokeLocally();
065 } catch (ClusteredInvocationException e) {
066 throw (IOException) new IOException().initCause(e);
067 }
068 }
069 };
070 invocation.init(request, response, chainAdapter);
071 try {
072 wadiManager.contextualise(invocation);
073 } catch (InvocationException e) {
074 Throwable throwable = e.getCause();
075 if (throwable instanceof IOException) {
076 throw new ClusteredInvocationException(throwable);
077 } else if (throwable instanceof ServletException) {
078 throw new ClusteredInvocationException(throwable);
079 } else {
080 throw new ClusteredInvocationException(e);
081 }
082 }
083 }
084 }
085
086 }