/* 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.gui.editor.iteration;
import net.sf.rej.gui.IterationContext;
import net.sf.rej.gui.IteratorAgentAdapter;
import net.sf.rej.gui.Link;
import net.sf.rej.gui.MainWindow;
import net.sf.rej.gui.tab.Tab;
import net.sf.rej.java.Descriptor;
import net.sf.rej.java.Field;
import net.sf.rej.java.constantpool.ConstantPoolInfo;
import net.sf.rej.java.constantpool.RefInfo;
import net.sf.rej.java.instruction.Instruction;
import net.sf.rej.java.instruction.ParameterType;
import net.sf.rej.java.instruction.Parameters;
/**
* <code>IteratorAgent</code> which gets a class name, field name and field
* descriptor as parameters and finds all field references (and definitions)
* which match them.
*
* @author Sami Koivu
*/
public class FindFieldRefs extends IteratorAgentAdapter {
private int resultCount = 0;
private String className;
private String fieldName;
private Descriptor desc;
public FindFieldRefs(String className, String fieldName, Descriptor desc) {
this.className = className;
this.fieldName = fieldName;
this.desc = desc;
}
@Override
public void processField(IterationContext sc, Field field) {
boolean classNamesMatch = sc.getCf().getFullClassName().equals(
className);
boolean fieldNamesMatch = field.getName().equals(fieldName);
boolean descriptorsMatch = field.getDescriptor().equals(desc);
if (classNamesMatch && fieldNamesMatch && descriptorsMatch) {
Link link = new Link();
link.setText("Field definition : " + sc.getCf().getFullClassName() + "." + field.getName());
link.setAnchor(Link.ANCHOR_FIELD_DEF);
link.setProject(sc.getProject());
link.setFile(sc.getFilename());
link.setTab(Tab.EDITOR);
link.setField(field);
MainWindow.getInstance().getSearchTab().addResult(link);
this.resultCount++;
}
}
@Override
public void processInstruction(IterationContext sc, Instruction instruction) {
Parameters params = instruction.getParameters();
for (int i = 0; i < params.getCount(); i++) {
if (params.getType(i) == ParameterType.TYPE_CONSTANT_POOL_FIELD_REF) {
ConstantPoolInfo cpi = sc.getDc().getConstantPool().get(
params.getInt(i));
RefInfo ri = (RefInfo) cpi;
boolean classNamesMatch = ri.getClassName().equals(className);
boolean fieldNamesMatch = ri.getTargetName().equals(fieldName);
boolean descriptorsMatch = ri.getDescriptor().equals(desc);
if (classNamesMatch && fieldNamesMatch && descriptorsMatch) {
String instructionLine = instruction.getMnemonic() + " "
+ instruction.getParameters().getString(sc.getDc());
Link link = new Link();
link.setText("Field Ref : " + sc.getCf().getFullClassName() + "." + sc.getMethod().getName() + " / " + instructionLine);
link.setAnchor(Link.ANCHOR_METHOD_CODE);
link.setProject(sc.getProject());
link.setFile(sc.getFilename());
link.setTab(Tab.EDITOR);
link.setMethod(sc.getMethod());
link.setPosition(sc.getDc().getPosition());
MainWindow.getInstance().getSearchTab().addResult(link);
this.resultCount++;
}
}
}
}
}