/*
* Copyright (c) 2005, Marco Petris
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - Neither the name of Marco Petris nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
package de.petris.dynamicaspects.util;
import java.util.ArrayList;
import java.util.List;
import org.apache.bcel.classfile.Attribute;
import org.apache.bcel.classfile.Code;
import org.apache.bcel.classfile.ConstantUtf8;
import org.apache.bcel.classfile.Method;
import org.apache.bcel.generic.ConstantPoolGen;
/**
* Due to missing JDK 1.5 support of the BCEL, we have to remove the LocalVariableTypeTable.
* This is just a workaround, which will be replaced by a real solution later ( hopefully ).
*
* @author Marco Petris
*/
public class LVTTRemover {
public static void removeLVTTs( Method m, ConstantPoolGen constPoolGen ) {
Code code = m.getCode();
List<Attribute> attrs = new ArrayList<Attribute>();
for( Attribute cAttr : code.getAttributes() ) {
if( !((ConstantUtf8)constPoolGen.getConstant(
cAttr.getNameIndex() )).getBytes().equals(
"LocalVariableTypeTable" ) ) {
attrs.add( cAttr );
}
}
if( code.getAttributes().length != attrs.size() ) {
code.setAttributes(
attrs.toArray( new Attribute[attrs.size()] ) );
}
}
}