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Java > Open Source Codes > org > apache > commons > httpclient > methods > FileRequestEntity


1 /*
2  * $HeadURL: https://svn.apache.org/repos/asf/jakarta/commons/proper/httpclient/trunk/src/java/org/apache/commons/httpclient/methods/FileRequestEntity.java $
3  * $Revision: 486665 $
4  * $Date: 2006-12-13 14:19:07 +0000 (Wed, 13 Dec 2006) $
5  *
6  * ====================================================================
7  *
8  * Licensed to the Apache Software Foundation (ASF) under one or more
9  * contributor license agreements. See the NOTICE file distributed with
10  * this work for additional information regarding copyright ownership.
11  * The ASF licenses this file to You under the Apache License, Version 2.0
12  * (the "License"); you may not use this file except in compliance with
13  * 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, software
18  * distributed under the License is distributed on an "AS IS" BASIS,
19  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20  * See the License for the specific language governing permissions and
21  * limitations under the License.
22  * ====================================================================
23  *
24  * This software consists of voluntary contributions made by many
25  * individuals on behalf of the Apache Software Foundation. For more
26  * information on the Apache Software Foundation, please see
27  * <http://www.apache.org/>.
28  *
29  */

30 package org.apache.commons.httpclient.methods;
31
32 import java.io.File JavaDoc;
33 import java.io.FileInputStream JavaDoc;
34 import java.io.IOException JavaDoc;
35 import java.io.InputStream JavaDoc;
36 import java.io.OutputStream JavaDoc;
37
38 import org.apache.commons.httpclient.methods.RequestEntity;
39
40 /**
41  * A RequestEntity that represents a File.
42  *
43  * @since 3.1
44  */

45 public class FileRequestEntity implements RequestEntity {
46
47     final File JavaDoc file;
48     final String JavaDoc contentType;
49     
50     public FileRequestEntity(final File JavaDoc file, final String JavaDoc contentType) {
51         super();
52         if (file == null) {
53             throw new IllegalArgumentException JavaDoc("File may not be null");
54         }
55         this.file = file;
56         this.contentType = contentType;
57     }
58     public long getContentLength() {
59         return this.file.length();
60     }
61
62     public String JavaDoc getContentType() {
63         return this.contentType;
64     }
65
66     public boolean isRepeatable() {
67         return true;
68     }
69
70     public void writeRequest(final OutputStream JavaDoc out) throws IOException JavaDoc {
71         byte[] tmp = new byte[4096];
72         int i = 0;
73         InputStream JavaDoc instream = new FileInputStream JavaDoc(this.file);
74         try {
75             while ((i = instream.read(tmp)) >= 0) {
76                 out.write(tmp, 0, i);
77             }
78         } finally {
79             instream.close();
80         }
81     }
82     
83 }
84
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