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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  
28  package org.apache.http.entity.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   * HttpStrictMultipart represents a collection of MIME multipart encoded content bodies,
37   * implementing the strict (RFC 822, RFC 2045, RFC 2046 compliant) interpretation
38   * of the spec.
39   *
40   * @since 4.3
41   */
42  class HttpStrictMultipart extends AbstractMultipartForm {
43  
44      private final List<FormBodyPart> parts;
45  
46      public HttpStrictMultipart(
47              final String subType,
48              final Charset charset,
49              final String boundary,
50              final List<FormBodyPart> parts) {
51          super(subType, charset, boundary);
52          this.parts = parts;
53      }
54  
55      @Override
56      public List<FormBodyPart> getBodyParts() {
57          return this.parts;
58      }
59  
60      @Override
61      protected void formatMultipartHeader(
62          final FormBodyPart part,
63          final OutputStream out) throws IOException {
64  
65          // For strict, we output all fields with MIME-standard encoding.
66          final Header header = part.getHeader();
67          for (final MinimalField field: header) {
68              writeField(field, out);
69          }
70      }
71  
72  }