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1   /*
2    * $HeadURL: https://svn.apache.org/repos/asf/httpcomponents/oac.hc3x/trunk/src/java/org/apache/commons/httpclient/methods/FileRequestEntity.java $
3    * $Revision: 1425331 $
4    * $Date: 2012-12-22 19:29:41 +0100 (Sat, 22 Dec 2012) $
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;
33  import java.io.FileInputStream;
34  import java.io.IOException;
35  import java.io.InputStream;
36  import java.io.OutputStream;
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 file;
48      final String contentType;
49      
50      public FileRequestEntity(final File file, final String contentType) {
51          super();
52          if (file == null) {
53              throw new IllegalArgumentException("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 getContentType() {
63          return this.contentType;
64      }
65  
66      public boolean isRepeatable() {
67          return true;
68      }
69  
70      public void writeRequest(final OutputStream out) throws IOException {
71          byte[] tmp = new byte[4096];
72          int i = 0;
73          InputStream instream = new FileInputStream(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  }