1 /*
2 * Copyright (C) 2014 Christian Halstrick <christian.halstrick@sap.com>
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 package org.eclipse.jgit.transport.http.apache;
44
45 import java.io.IOException;
46 import java.io.InputStream;
47 import java.io.OutputStream;
48
49 import org.apache.http.HttpEntity;
50 import org.apache.http.entity.AbstractHttpEntity;
51 import org.eclipse.jgit.util.TemporaryBuffer;
52
53 /**
54 * A {@link HttpEntity} which takes it's content from a {@link TemporaryBuffer}
55 *
56 * @since 3.3
57 */
58 public class TemporaryBufferEntity extends AbstractHttpEntity
59 implements AutoCloseable {
60 private TemporaryBuffer buffer;
61
62 private Integer contentLength;
63
64 /**
65 * Construct a new {@link HttpEntity} which will contain the content stored
66 * in the specified buffer
67 *
68 * @param buffer
69 */
70 public TemporaryBufferEntity(TemporaryBuffer buffer) {
71 this.buffer = buffer;
72 }
73
74 /**
75 * @return buffer containing the content
76 */
77 public TemporaryBuffer getBuffer() {
78 return buffer;
79 }
80
81 @Override
82 public boolean isRepeatable() {
83 return true;
84 }
85
86 @Override
87 public long getContentLength() {
88 if (contentLength != null)
89 return contentLength.intValue();
90 return buffer.length();
91 }
92
93 @Override
94 public InputStream getContent() throws IOException, IllegalStateException {
95 return buffer.openInputStream();
96 }
97
98 @Override
99 public void writeTo(OutputStream outstream) throws IOException {
100 // TODO: dont we need a progressmonitor
101 buffer.writeTo(outstream, null);
102 }
103
104 @Override
105 public boolean isStreaming() {
106 return false;
107 }
108
109 /**
110 * @param contentLength
111 */
112 public void setContentLength(int contentLength) {
113 this.contentLength = Integer.valueOf(contentLength);
114 }
115
116 /**
117 * Close destroys the associated buffer used to buffer the entity
118 *
119 * @since 4.5
120 */
121 @Override
122 public void close() {
123 if (buffer != null) {
124 buffer.destroy();
125 }
126 }
127 }