/*
* 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 com.alimama.mdrill.utils.zip;
/**
* Info-ZIP Unicode Comment Extra Field (0x6375):
*
* <p>Stores the UTF-8 version of the file comment as stored in the
* central directory header.</p>
*
* <pre>
* Value Size Description
* ----- ---- -----------
* (UCom) 0x6375 Short tag for this extra block type ("uc")
* TSize Short total data size for this block
* Version 1 byte version of this extra field, currently 1
* ComCRC32 4 bytes Comment Field CRC32 Checksum
* UnicodeCom Variable UTF-8 version of the entry comment
* </pre>
*/
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 <code>bytes</code>.
* @param len The length of the encoded comment or comment in
* <code>bytes</code>.
*/
public UnicodeCommentExtraField(String text, byte[] bytes, int off,
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(String comment, byte[] bytes) {
super(comment, bytes);
}
/** {@inheritDoc} */
public ZipShort getHeaderId() {
return UCOM_ID;
}
}