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.hc.client5.http.entity.mime;
29
30 import java.io.ByteArrayInputStream;
31 import java.io.IOException;
32 import java.io.InputStreamReader;
33 import java.io.OutputStream;
34 import java.io.Reader;
35 import java.nio.charset.Charset;
36 import java.nio.charset.StandardCharsets;
37
38 import org.apache.hc.core5.http.ContentType;
39 import org.apache.hc.core5.util.Args;
40
41 /**
42 * Text body part backed by a byte array.
43 *
44 * @see org.apache.hc.client5.http.entity.mime.MultipartEntityBuilder
45 *
46 * @since 4.0
47 */
48 public class StringBody extends AbstractContentBody {
49
50 private final byte[] content;
51
52 /**
53 * @since 4.3
54 */
55 public StringBody(final String text, final ContentType contentType) {
56 super(contentType);
57 Args.notNull(text, "Text");
58 final Charset charset = contentType.getCharset();
59 this.content = text.getBytes(charset != null ? charset : StandardCharsets.US_ASCII);
60 }
61
62 public Reader getReader() {
63 final Charset charset = getContentType().getCharset();
64 return new InputStreamReader(
65 new ByteArrayInputStream(this.content),
66 charset != null ? charset : StandardCharsets.US_ASCII);
67 }
68
69 @Override
70 public void writeTo(final OutputStream out) throws IOException {
71 Args.notNull(out, "Output stream");
72 out.write(this.content);
73 }
74
75 @Override
76 public long getContentLength() {
77 return this.content.length;
78 }
79
80 @Override
81 public String getFilename() {
82 return null;
83 }
84
85 }