01: /*
02: * $HeadURL: https://svn.apache.org/repos/asf/httpcomponents/httpcore/tags/4.0-beta1/module-main/src/main/java/org/apache/http/entity/ByteArrayEntity.java $
03: * $Revision: 604625 $
04: * $Date: 2007-12-16 15:11:11 +0100 (Sun, 16 Dec 2007) $
05: *
06: * ====================================================================
07: * Licensed to the Apache Software Foundation (ASF) under one
08: * or more contributor license agreements. See the NOTICE file
09: * distributed with this work for additional information
10: * regarding copyright ownership. The ASF licenses this file
11: * to you under the Apache License, Version 2.0 (the
12: * "License"); you may not use this file except in compliance
13: * with the License. You may obtain a copy of the License at
14: *
15: * http://www.apache.org/licenses/LICENSE-2.0
16: *
17: * Unless required by applicable law or agreed to in writing,
18: * software distributed under the License is distributed on an
19: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
20: * KIND, either express or implied. See the License for the
21: * specific language governing permissions and limitations
22: * under the License.
23: * ====================================================================
24: *
25: * This software consists of voluntary contributions made by many
26: * individuals on behalf of the Apache Software Foundation. For more
27: * information on the Apache Software Foundation, please see
28: * <http://www.apache.org/>.
29: *
30: */
31:
32: package org.apache.http.entity;
33:
34: import java.io.ByteArrayInputStream;
35: import java.io.IOException;
36: import java.io.InputStream;
37: import java.io.OutputStream;
38:
39: /**
40: * An entity whose content is retrieved from a byte array.
41: *
42: * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
43: *
44: * @version $Revision: 604625 $
45: *
46: * @since 4.0
47: */
48: public class ByteArrayEntity extends AbstractHttpEntity implements
49: Cloneable {
50:
51: protected final byte[] content;
52:
53: public ByteArrayEntity(final byte[] b) {
54: super ();
55: if (b == null) {
56: throw new IllegalArgumentException(
57: "Source byte array may not be null");
58: }
59: this .content = b;
60: }
61:
62: public boolean isRepeatable() {
63: return true;
64: }
65:
66: public long getContentLength() {
67: return this .content.length;
68: }
69:
70: public InputStream getContent() {
71: return new ByteArrayInputStream(this .content);
72: }
73:
74: public void writeTo(final OutputStream outstream)
75: throws IOException {
76: if (outstream == null) {
77: throw new IllegalArgumentException(
78: "Output stream may not be null");
79: }
80: outstream.write(this .content);
81: outstream.flush();
82: }
83:
84: /**
85: * Tells that this entity is not streaming.
86: *
87: * @return <code>false</code>
88: */
89: public boolean isStreaming() {
90: return false;
91: }
92:
93: public Object clone() throws CloneNotSupportedException {
94: return super .clone();
95: }
96:
97: } // class ByteArrayEntity
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