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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one or more
3    *  contributor license agreements.  See the NOTICE file distributed with
4    *  this work for additional information regarding copyright ownership.
5    *  The ASF licenses this file to You under the Apache License, Version 2.0
6    *  (the "License"); you may not use this file except in compliance with
7    *  the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   *  Unless required by applicable law or agreed to in writing, software
12   *  distributed under the License is distributed on an "AS IS" BASIS,
13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   *  See the License for the specific language governing permissions and
15   *  limitations under the License.
16   */
17  
18  package org.apache.commons.compress.archivers.zip;
19  
20  /**
21   * Info-ZIP Unicode Comment Extra Field (0x6375):
22   *
23   * <p>
24   * Stores the UTF-8 version of the file comment as stored in the central directory header.
25   * </p>
26   *
27   * @see <a href="https://www.pkware.com/documents/casestudies/APPNOTE.TXT">PKWARE APPNOTE.TXT, section 4.6.8</a>
28   *
29   * @NotThreadSafe super-class is not thread-safe
30   */
31  public class UnicodeCommentExtraField extends AbstractUnicodeExtraField {
32  
33      public static final ZipShort UCOM_ID = new ZipShort(0x6375);
34  
35      public UnicodeCommentExtraField() {
36      }
37  
38      /**
39       * Assemble as unicode comment extension from the comment given as text as well as the bytes actually written to the archive.
40       *
41       * @param comment The file comment
42       * @param bytes   the bytes actually written to the archive
43       */
44      public UnicodeCommentExtraField(final String comment, final byte[] bytes) {
45          super(comment, bytes);
46      }
47  
48      /**
49       * Assemble as unicode comment extension from the name given as text as well as the encoded bytes actually written to the archive.
50       *
51       * @param text  The file name
52       * @param bytes the bytes actually written to the archive
53       * @param off   The offset of the encoded comment in {@code bytes}.
54       * @param len   The length of the encoded comment or comment in {@code bytes}.
55       */
56      public UnicodeCommentExtraField(final String text, final byte[] bytes, final int off, final int len) {
57          super(text, bytes, off, len);
58      }
59  
60      @Override
61      public ZipShort getHeaderId() {
62          return UCOM_ID;
63      }
64  
65  }