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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  package org.apache.http.entity.mime.content;
28  
29  import java.io.IOException;
30  import java.io.OutputStream;
31  
32  import org.apache.http.entity.ContentType;
33  import org.apache.http.entity.mime.MIME;
34  import org.apache.http.entity.mime.MultipartEntityBuilder;
35  import org.apache.http.util.Args;
36  
37  /**
38   * Binary body part backed by a byte array.
39   *
40   * @see MultipartEntityBuilder
41   *
42   * @since 4.1
43   */
44  public class ByteArrayBody extends AbstractContentBody {
45  
46      /**
47       * The contents of the file contained in this part.
48       */
49      private final byte[] data;
50  
51      /**
52       * The name of the file contained in this part.
53       */
54      private final String filename;
55  
56      /**
57       * Creates a new ByteArrayBody.
58       *
59       * @param data The contents of the file contained in this part.
60       * @param mimeType The mime type of the file contained in this part.
61       * @param filename The name of the file contained in this part.
62       *
63       * @deprecated (4.3) use {@link ByteArrayBody#ByteArrayBody(byte[], ContentType, String)}
64       *   or {@link MultipartEntityBuilder}
65       */
66      @Deprecated
67      public ByteArrayBody(final byte[] data, final String mimeType, final String filename) {
68          this(data, ContentType.create(mimeType), filename);
69      }
70  
71      /**
72       * @since 4.3
73       */
74      public ByteArrayBody(final byte[] data, final ContentType contentType, final String filename) {
75          super(contentType);
76          Args.notNull(data, "byte[]");
77          this.data = data;
78          this.filename = filename;
79      }
80  
81      /**
82       * Creates a new ByteArrayBody.
83       *
84       * @param data The contents of the file contained in this part.
85       * @param filename The name of the file contained in this part.
86       */
87      public ByteArrayBody(final byte[] data, final String filename) {
88          this(data, "application/octet-stream", filename);
89      }
90  
91      public String getFilename() {
92          return filename;
93      }
94  
95      public void writeTo(final OutputStream out) throws IOException {
96          out.write(data);
97      }
98  
99      @Override
100     public String getCharset() {
101         return null;
102     }
103 
104     public String getTransferEncoding() {
105         return MIME.ENC_BINARY;
106     }
107 
108     public long getContentLength() {
109         return data.length;
110     }
111 
112 }