1 /*
2 * Copyright (C) 2010, Google Inc.
3 * and other copyright owners as documented in the project's IP log.
4 *
5 * This program and the accompanying materials are made available
6 * under the terms of the Eclipse Distribution License v1.0 which
7 * accompanies this distribution, is reproduced below, and is
8 * available at http://www.eclipse.org/org/documents/edl-v10.php
9 *
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials provided
22 * with the distribution.
23 *
24 * - Neither the name of the Eclipse Foundation, Inc. nor the
25 * names of its contributors may be used to endorse or promote
26 * products derived from this software without specific prior
27 * written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
30 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
31 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
32 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
34 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
35 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
37 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
38 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 */
43
44 package org.eclipse.jgit.junit.http;
45
46 import java.io.IOException;
47 import java.util.ArrayList;
48 import java.util.List;
49 import java.util.concurrent.Semaphore;
50
51 import javax.servlet.DispatcherType;
52 import javax.servlet.ServletException;
53 import javax.servlet.http.HttpServletRequest;
54 import javax.servlet.http.HttpServletResponse;
55
56 import org.eclipse.jetty.server.Request;
57 import org.eclipse.jetty.server.Response;
58 import org.eclipse.jetty.server.handler.HandlerWrapper;
59
60 /** Logs request made through {@link AppServer}. */
61 class TestRequestLog extends HandlerWrapper {
62 private static final int MAX = 16;
63
64 private final List<AccessEvent> events = new ArrayList<>();
65
66 private final Semaphore active = new Semaphore(MAX, true);
67
68 /** Reset the log back to its original empty state. */
69 void clear() {
70 try {
71 for (;;) {
72 try {
73 active.acquire(MAX);
74 break;
75 } catch (InterruptedException e) {
76 continue;
77 }
78 }
79
80 synchronized (events) {
81 events.clear();
82 }
83 } finally {
84 active.release(MAX);
85 }
86 }
87
88 /** @return all of the events made since the last clear. */
89 List<AccessEvent> getEvents() {
90 try {
91 for (;;) {
92 try {
93 active.acquire(MAX);
94 break;
95 } catch (InterruptedException e) {
96 continue;
97 }
98 }
99
100 synchronized (events) {
101 return events;
102 }
103 } finally {
104 active.release(MAX);
105 }
106 }
107
108 /** {@inheritDoc} */
109 @Override
110 public void handle(String target, Request baseRequest,
111 HttpServletRequest request, HttpServletResponse response)
112 throws IOException, ServletException {
113 try {
114 for (;;) {
115 try {
116 active.acquire();
117 break;
118 } catch (InterruptedException e) {
119 continue;
120 }
121 }
122
123 super.handle(target, baseRequest, request, response);
124
125 if (DispatcherType.REQUEST.equals(baseRequest.getDispatcherType()))
126 log((Request) request, (Response) response);
127
128 } finally {
129 active.release();
130 }
131 }
132
133 private void log(Request request, Response response) {
134 synchronized (events) {
135 events.add(new AccessEvent(request, response));
136 }
137 }
138 }