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1   /*
2    * Copyright (C) 2011-2012, 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.transport;
45  
46  import java.io.IOException;
47  
48  import org.eclipse.jgit.internal.JGitText;
49  
50  /**
51   * Indicates a transport service may not continue execution.
52   *
53   * @since 2.0
54   */
55  public class ServiceMayNotContinueException extends IOException {
56  	private static final int FORBIDDEN = 403;
57  	private static final long serialVersionUID = 1L;
58  
59  	private final int statusCode;
60  	private boolean output;
61  
62  	/** Initialize with no message. */
63  	public ServiceMayNotContinueException() {
64  		// Do not set a message.
65  		statusCode = FORBIDDEN;
66  	}
67  
68  	/**
69  	 * @param msg
70  	 *            a message explaining why it cannot continue. This message may
71  	 *            be shown to an end-user.
72  	 */
73  	public ServiceMayNotContinueException(String msg) {
74  		super(msg);
75  		statusCode = FORBIDDEN;
76  	}
77  
78  	/**
79  	 * @param msg
80  	 *            a message explaining why it cannot continue. This message may
81  	 *            be shown to an end-user.
82  	 * @param statusCode
83  	 *            the HTTP status code.
84  	 * @since 4.5
85  	 */
86  	public ServiceMayNotContinueException(String msg, int statusCode) {
87  		super(msg);
88  		this.statusCode = statusCode;
89  	}
90  
91  	/**
92  	 * @param msg
93  	 *            a message explaining why it cannot continue. This message may
94  	 *            be shown to an end-user.
95  	 * @param cause
96  	 *            the cause of the exception.
97  	 * @since 3.2
98  	 */
99  	public ServiceMayNotContinueException(String msg, Throwable cause) {
100 		super(msg, cause);
101 		statusCode = FORBIDDEN;
102 	}
103 
104 	/**
105 	 * @param msg
106 	 *            a message explaining why it cannot continue. This message may
107 	 *            be shown to an end-user.
108 	 * @param cause
109 	 *            the cause of the exception.
110 	 * @param statusCode
111 	 *            the HTTP status code.
112 	 * @since 4.5
113 	 */
114 	public ServiceMayNotContinueException(
115 			String msg, Throwable cause, int statusCode) {
116 		super(msg, cause);
117 		this.statusCode = statusCode;
118 	}
119 
120 	/**
121 	 * Initialize with an "internal server error" message and a cause.
122 	 *
123 	 * @param cause
124 	 *            the cause of the exception.
125 	 * @since 3.2
126 	 */
127 	public ServiceMayNotContinueException(Throwable cause) {
128 		this(JGitText.get().internalServerError, cause);
129 	}
130 
131 	/** @return true if the message was already output to the client. */
132 	public boolean isOutput() {
133 		return output;
134 	}
135 
136 	/** Mark this message has being sent to the client. */
137 	public void setOutput() {
138 		output = true;
139 	}
140 
141 	/**
142 	 * @return true if the message was already output to the client.
143 	 * @since 4.5
144 	 */
145 	public int getStatusCode() {
146 		return statusCode;
147 	}
148 }