/* Copyright (C) 2004-2007 Sami Koivu
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package net.sf.rej.obfuscation;
import net.sf.rej.gui.IterationContext;
import net.sf.rej.gui.IteratorAgentAdapter;
import net.sf.rej.gui.SystemFacade;
import net.sf.rej.gui.Undoable;
import net.sf.rej.gui.action.RemoveAttributeAction;
import net.sf.rej.java.attribute.Attribute;
import net.sf.rej.java.attribute.Attributes;
import net.sf.rej.java.attribute.LineNumberTableAttribute;
/**
* This <code>Obfuscator</code> subclass removes sourcecode linenumber
* information from classfiles.
*
* @author Sami Koivu
*/
public abstract class LineNumberStripper extends IteratorAgentAdapter {
private boolean batchMode = false;
public LineNumberStripper(boolean batchMode) {
this.batchMode = batchMode;
}
@Override
public void processAttribute(IterationContext ic, Attribute attr) {
if (attr instanceof LineNumberTableAttribute) {
LineNumberTableAttribute lnAttr = (LineNumberTableAttribute) attr;
Attributes attrs = ic.getCodeAttribute().getAttributes();
Undoable u = new RemoveAttributeAction(attrs, lnAttr);
if (batchMode) {
u.execute();
} else {
SystemFacade.getInstance().performAction(u, ic.getFilename());
}
}
}
}