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 com.foxinmy.weixin4j.http.apache.content;
29
30 import java.io.ByteArrayInputStream;
31 import java.io.IOException;
32 import java.io.InputStream;
33 import java.io.InputStreamReader;
34 import java.io.OutputStream;
35 import java.io.Reader;
36 import java.io.UnsupportedEncodingException;
37 import java.nio.charset.Charset;
38
39 import com.foxinmy.weixin4j.http.ContentType;
40 import com.foxinmy.weixin4j.http.apache.mime.MIME;
41 import com.foxinmy.weixin4j.util.Consts;
42
43 /**
44 * Text body part backed by a byte array.
45 *
46 * @see org.apache.http.entity.mime.MultipartEntityBuilder
47 *
48 * @since 4.0
49 */
50 public class StringBody extends AbstractContentBody {
51
52 private final byte[] content;
53
54 /**
55 * @since 4.1
56 *
57 * @deprecated (4.3) use {@link StringBody#StringBody(String, ContentType)}
58 * or {@link org.apache.http.entity.mime.MultipartEntityBuilder}
59 */
60 @Deprecated
61 public static StringBody create(
62 final String text,
63 final String mimeType,
64 final Charset charset) throws IllegalArgumentException {
65 try {
66 return new StringBody(text, mimeType, charset);
67 } catch (final UnsupportedEncodingException ex) {
68 throw new IllegalArgumentException("Charset " + charset + " is not supported", ex);
69 }
70 }
71
72 /**
73 * @since 4.1
74 *
75 * @deprecated (4.3) use {@link StringBody#StringBody(String, ContentType)}
76 * or {@link org.apache.http.entity.mime.MultipartEntityBuilder}
77 */
78 @Deprecated
79 public static StringBody create(
80 final String text, final Charset charset) throws IllegalArgumentException {
81 return create(text, null, charset);
82 }
83
84 /**
85 * @since 4.1
86 *
87 * @deprecated (4.3) use {@link StringBody#StringBody(String, ContentType)}
88 * or {@link org.apache.http.entity.mime.MultipartEntityBuilder}
89 */
90 @Deprecated
91 public static StringBody create(final String text) throws IllegalArgumentException {
92 return create(text, null, null);
93 }
94
95 /**
96 * Create a StringBody from the specified text, MIME type and character set.
97 *
98 * @param text to be used for the body, not {@code null}
99 * @param mimeType the MIME type, not {@code null}
100 * @param charset the character set, may be {@code null}, in which case the US-ASCII charset is used
101 * @throws UnsupportedEncodingException
102 * @throws IllegalArgumentException if the {@code text} parameter is null
103 *
104 */
105 public StringBody(
106 final String text,
107 final String mimeType,
108 final Charset charset) throws UnsupportedEncodingException {
109 this(text, ContentType.create(mimeType, charset != null ? charset : Consts.UTF_8));
110 }
111
112 /**
113 * Create a StringBody from the specified text and character set.
114 * The MIME type is set to "text/plain".
115 *
116 * @param text to be used for the body, not {@code null}
117 * @param charset the character set, may be {@code null}, in which case the US-ASCII charset is used
118 * @throws UnsupportedEncodingException
119 * @throws IllegalArgumentException if the {@code text} parameter is null
120 *
121 */
122 public StringBody(final String text, final Charset charset) throws UnsupportedEncodingException {
123 this(text, "text/plain", charset);
124 }
125
126 /**
127 * Create a StringBody from the specified text.
128 * The MIME type is set to "text/plain".
129 * The {@linkplain Consts#ASCII ASCII} charset is used.
130 *
131 * @param text to be used for the body, not {@code null}
132 * @throws UnsupportedEncodingException
133 * @throws IllegalArgumentException if the {@code text} parameter is null
134 *
135 */
136 public StringBody(final String text) throws UnsupportedEncodingException {
137 this(text, "text/plain", Consts.UTF_8);
138 }
139
140 /**
141 * @since 4.3
142 */
143 public StringBody(final String text, final ContentType contentType) {
144 super(contentType);
145 final Charset charset = contentType.getCharset();
146 this.content = text.getBytes(charset != null ? charset : Consts.UTF_8);
147 }
148
149 public Reader getReader() {
150 final Charset charset = getContentType().getCharset();
151 return new InputStreamReader(
152 new ByteArrayInputStream(this.content),
153 charset != null ? charset : Consts.UTF_8);
154 }
155
156 @Override
157 public void writeTo(final OutputStream out) throws IOException {
158 final InputStream in = new ByteArrayInputStream(this.content);
159 final byte[] tmp = new byte[4096];
160 int l;
161 while ((l = in.read(tmp)) != -1) {
162 out.write(tmp, 0, l);
163 }
164 out.flush();
165 }
166
167 @Override
168 public String getTransferEncoding() {
169 return MIME.ENC_8BIT;
170 }
171
172 @Override
173 public long getContentLength() {
174 return this.content.length;
175 }
176
177 @Override
178 public String getFilename() {
179 return null;
180 }
181 }