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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 com.foxinmy.weixin4j.http.apache.content;
28  
29  import java.io.IOException;
30  import java.io.OutputStream;
31  
32  import com.foxinmy.weixin4j.http.ContentType;
33  import com.foxinmy.weixin4j.http.apache.mime.MIME;
34  
35  /**
36   * Binary body part backed by a byte array.
37   *
38   * @see org.apache.http.entity.mime.MultipartEntityBuilder
39   *
40   * @since 4.1
41   */
42  public class ByteArrayBody extends AbstractContentBody {
43  
44      /**
45       * The contents of the file contained in this part.
46       */
47      private final byte[] data;
48  
49      /**
50       * The name of the file contained in this part.
51       */
52      private final String filename;
53  
54      /**
55       * Creates a new ByteArrayBody.
56       *
57       * @param data The contents of the file contained in this part.
58       * @param mimeType The MIME type of the file contained in this part.
59       * @param filename The name of the file contained in this part.
60       *
61       */
62      public ByteArrayBody(final byte[] data, final String mimeType, final String filename) {
63          this(data, ContentType.create(mimeType), filename);
64      }
65  
66      /**
67       * @since 4.3
68       */
69      public ByteArrayBody(final byte[] data, final ContentType contentType, final String filename) {
70          super(contentType);
71          this.data = data;
72          this.filename = filename;
73      }
74  
75      /**
76       * Creates a new ByteArrayBody.
77       *
78       * @param data The contents of the file contained in this part.
79       * @param filename The name of the file contained in this part.
80       */
81      public ByteArrayBody(final byte[] data, final String filename) {
82          this(data, "application/octet-stream", filename);
83      }
84  
85      @Override
86      public String getFilename() {
87          return filename;
88      }
89  
90      @Override
91      public void writeTo(final OutputStream out) throws IOException {
92          out.write(data);
93      }
94  
95      @Override
96      public String getCharset() {
97          return null;
98      }
99  
100     @Override
101     public String getTransferEncoding() {
102         return MIME.ENC_BINARY;
103     }
104 
105     @Override
106     public long getContentLength() {
107         return data.length;
108     }
109 
110 }