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/*
* Copyright 2001-2002,2004 The Apache Software Foundation
*
* Licensed 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.tools.zip;
/**
* Simple placeholder for all those extra fields we don't want to deal
* with.
*
* <p>Assumes local file data and central directory entries are
* identical - unless told the opposite.</p>
*
* @author Stefan Bodewig
* @version $Revision$
*/
public class UnrecognizedExtraField implements ZipExtraField {
/**
* The Header-ID.
*
* @since 1.1
*/
private ZipShort headerId;
public void setHeaderId(ZipShort headerId) {
this.headerId = headerId;
}
public ZipShort getHeaderId() {
return headerId;
}
/**
* Extra field data in local file data - without
* Header-ID or length specifier.
*
* @since 1.1
*/
private byte[] localData;
public void setLocalFileDataData(byte[] data) {
localData = data;
}
public ZipShort getLocalFileDataLength() {
return new ZipShort(localData.length);
}
public byte[] getLocalFileDataData() {
return localData;
}
/**
* Extra field data in central directory - without
* Header-ID or length specifier.
*
* @since 1.1
*/
private byte[] centralData;
public void setCentralDirectoryData(byte[] data) {
centralData = data;
}
public ZipShort getCentralDirectoryLength() {
if (centralData != null) {
return new ZipShort(centralData.length);
}
return getLocalFileDataLength();
}
public byte[] getCentralDirectoryData() {
if (centralData != null) {
return centralData;
}
return getLocalFileDataData();
}
public void parseFromLocalFileData(byte[] data, int offset, int length) {
byte[] tmp = new byte[length];
System.arraycopy(data, offset, tmp, 0, length);
setLocalFileDataData(tmp);
}
}
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