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Apache Commons Compress software defines an API for working with compression and archive formats. These include: bzip2, gzip, pack200, lzma, xz, Snappy, traditional Unix Compress, DEFLATE, DEFLATE64, LZ4, Brotli, Zstandard and ar, cpio, jar, tar, zip, dump, 7z, arj.

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/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

package org.apache.commons.compress.archivers.zip;

/**
 * Info-ZIP Unicode Comment Extra Field (0x6375):
 *
 * Stores the UTF-8 version of the file comment as stored in the
 * central directory header.
 *
 * @see PKWARE
 * APPNOTE.TXT, section 4.6.8
 *
 * @NotThreadSafe super-class is not thread-safe
 */
public class UnicodeCommentExtraField extends AbstractUnicodeExtraField {

    public static final ZipShort UCOM_ID = new ZipShort(0x6375);

    public UnicodeCommentExtraField () { 
    }

    /**
     * Assemble as unicode comment extension from the name given as
     * text as well as the encoded bytes actually written to the archive.
     * 
     * @param text The file name
     * @param bytes the bytes actually written to the archive
     * @param off The offset of the encoded comment in bytes.
     * @param len The length of the encoded comment or comment in
     * bytes.
     */
    public UnicodeCommentExtraField(final String text, final byte[] bytes, final int off,
                                    final int len) {
        super(text, bytes, off, len);
    }

    /**
     * Assemble as unicode comment extension from the comment given as
     * text as well as the bytes actually written to the archive.
     * 
     * @param comment The file comment
     * @param bytes the bytes actually written to the archive
     */
    public UnicodeCommentExtraField(final String comment, final byte[] bytes) {
        super(comment, bytes);
    }

    @Override
    public ZipShort getHeaderId() {
        return UCOM_ID;
    }

}