1 /**
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one or more
4 * contributor license agreements. See the NOTICE file distributed with
5 * this work for additional information regarding copyright ownership.
6 * The ASF licenses this file to You under the Apache License, Version 2.0
7 * (the "License"); you may not use this file except in compliance with
8 * the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package org.apache.geronimo.jetty.cluster;
19
20 import java.io.IOException;
21
22 import org.apache.geronimo.clustering.ClusteredInvocation;
23 import org.apache.geronimo.clustering.ClusteredInvocationException;
24 import org.apache.geronimo.jetty.GeronimoServletHttpRequest;
25 import org.apache.geronimo.jetty.HandleInterceptor;
26 import org.mortbay.http.HttpException;
27 import org.mortbay.http.HttpRequest;
28 import org.mortbay.http.HttpResponse;
29
30 /**
31 *
32 * @version $Rev$ $Date$
33 */
34 public abstract class AbstractClusteredHandleInterceptor implements HandleInterceptor {
35
36 public void handle(String pathInContext, String pathParams, HttpRequest httpRequest, HttpResponse httpResponse,
37 HandleInterceptor end) throws HttpException, IOException {
38 ClusteredInvocation invocation =
39 newClusteredInvocation(pathInContext, pathParams, httpRequest, httpResponse, end);
40 try {
41 invocation.invoke();
42 } catch (ClusteredInvocationException e) {
43 Throwable cause = e.getCause();
44 if (cause instanceof HttpException) {
45 throw (HttpException) cause;
46 } else if (cause instanceof IOException) {
47 throw (IOException) cause;
48 } else {
49 throw (IOException) new IOException().initCause(cause);
50 }
51 }
52 }
53
54 protected abstract ClusteredInvocation newClusteredInvocation(String pathInContext, String pathParams,
55 HttpRequest request, HttpResponse response, HandleInterceptor end);
56
57 protected abstract class WebClusteredInvocation implements ClusteredInvocation {
58 protected final String pathInContext;
59 protected final String pathParams;
60 protected final HttpRequest request;
61 protected final HttpResponse response;
62 protected final HandleInterceptor end;
63
64 public WebClusteredInvocation(String pathInContext, String pathParams, HttpRequest request,
65 HttpResponse response, HandleInterceptor end) {
66 this.pathInContext = pathInContext;
67 this.pathParams = pathParams;
68 this.request = request;
69 this.response = response;
70 this.end = end;
71
72 GeronimoServletHttpRequest servletHttpRequest = (GeronimoServletHttpRequest) request.getWrapper();
73 servletHttpRequest.setRequestedSessionId(pathParams);
74 }
75
76 protected void invokeLocally() throws ClusteredInvocationException {
77 try {
78 end.handle(pathInContext, pathParams, request, response, null);
79 } catch (IOException e) {
80 throw new ClusteredInvocationException(e);
81 }
82 }
83
84 public String getRequestedSessionId() {
85 GeronimoServletHttpRequest servletHttpRequest = (GeronimoServletHttpRequest) request.getWrapper();
86 return servletHttpRequest.getRequestedSessionId();
87 }
88 }
89 }