org.codehaus.plexus.archiver.zip.UnrecognizedExtraField Maven / Gradle / Ivy
package org.codehaus.plexus.archiver.zip;
/*
* 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.
*
*/
/**
* Simple placeholder for all those extra fields we don't want to deal
* with.
*
* Assumes local file data and central directory entries are
* identical - unless told the opposite.
*
* @version $Revision$ $Date$
* from org.apache.ant.tools.zip.UnrecognizedExtraField v1.8
*/
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 );
}
}