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
28 package org.apache.http.entity.mime.content;
29
30 import java.io.IOException;
31 import java.io.InputStream;
32 import java.io.OutputStream;
33
34 import org.apache.http.entity.ContentType;
35 import org.apache.http.entity.mime.MIME;
36 import org.apache.http.util.Args;
37
38 /**
39 * Binary body part backed by an input stream.
40 *
41 * @see org.apache.http.entity.mime.MultipartEntityBuilder
42 *
43 * @since 4.0
44 */
45 public class InputStreamBody extends AbstractContentBody {
46
47 private final InputStream in;
48 private final String filename;
49
50 /**
51 * @since 4.1
52 *
53 * @deprecated (4.3) use {@link InputStreamBody#InputStreamBody(InputStream, ContentType,
54 * String)} or {@link org.apache.http.entity.mime.MultipartEntityBuilder}
55 */
56 @Deprecated
57 public InputStreamBody(final InputStream in, final String mimeType, final String filename) {
58 this(in, ContentType.create(mimeType), filename);
59 }
60
61 public InputStreamBody(final InputStream in, final String filename) {
62 this(in, ContentType.DEFAULT_BINARY, filename);
63 }
64
65 /**
66 * @since 4.3
67 */
68 public InputStreamBody(final InputStream in, final ContentType contentType, final String filename) {
69 super(contentType);
70 Args.notNull(in, "Input stream");
71 this.in = in;
72 this.filename = filename;
73 }
74
75 /**
76 * @since 4.3
77 */
78 public InputStreamBody(final InputStream in, final ContentType contentType) {
79 this(in, contentType, null);
80 }
81
82 public InputStream getInputStream() {
83 return this.in;
84 }
85
86 @Override
87 public void writeTo(final OutputStream out) throws IOException {
88 Args.notNull(out, "Output stream");
89 try {
90 final byte[] tmp = new byte[4096];
91 int l;
92 while ((l = this.in.read(tmp)) != -1) {
93 out.write(tmp, 0, l);
94 }
95 out.flush();
96 } finally {
97 this.in.close();
98 }
99 }
100
101 @Override
102 public String getTransferEncoding() {
103 return MIME.ENC_BINARY;
104 }
105
106 @Override
107 public long getContentLength() {
108 return -1;
109 }
110
111 @Override
112 public String getFilename() {
113 return this.filename;
114 }
115
116 }