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.mime;
29
30 import java.io.IOException;
31 import java.io.OutputStream;
32 import java.nio.charset.Charset;
33 import java.util.List;
34
35 /**
36 * HttpBrowserCompatibleMultipart represents a collection of MIME multipart encoded
37 * content bodies. This class is emulates browser compatibility, e.g. IE 5 or earlier.
38 *
39 * @since 4.3
40 */
41 class HttpBrowserCompatibleMultipart extends AbstractMultipartForm {
42
43 private final List<FormBodyPart> parts;
44
45 public HttpBrowserCompatibleMultipart(
46 final Charset charset,
47 final String boundary,
48 final List<FormBodyPart> parts) {
49 super(charset, boundary);
50 this.parts = parts;
51 }
52
53 @Override
54 public List<FormBodyPart> getBodyParts() {
55 return this.parts;
56 }
57
58 /**
59 * Write the multipart header fields; depends on the style.
60 */
61 @Override
62 protected void formatMultipartHeader(
63 final FormBodyPart part,
64 final OutputStream out) throws IOException {
65 // For browser-compatible, only write Content-Disposition
66 // Use content charset
67 final Header header = part.getHeader();
68 final MinimalField cd = header.getField(MIME.CONTENT_DISPOSITION);
69 writeField(cd, this.charset, out);
70 final String filename = part.getBody().getFilename();
71 if (filename != null) {
72 final MinimalField ct = header.getField(MIME.CONTENT_TYPE);
73 writeField(ct, this.charset, out);
74 }
75
76 }
77
78 }