MethodImplementationsTreeNode.java

/*******************************************************************************
 * Copyright (c) 2015 Jeff Martin.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public
 * License v3.0 which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl.html
 *
 * Contributors:
 * Jeff Martin - initial API and implementation
 ******************************************************************************/
package cuchaz.enigma.analysis;

import java.util.List;

import javax.swing.tree.DefaultMutableTreeNode;

import com.google.common.collect.Lists;

import cuchaz.enigma.mapping.ClassEntry;
import cuchaz.enigma.mapping.MethodEntry;
import cuchaz.enigma.mapping.Translator;

public class MethodImplementationsTreeNode extends DefaultMutableTreeNode
{
	
	private static final long serialVersionUID = 3781080657461899915L;
	
	private Translator m_deobfuscatingTranslator;
	private MethodEntry m_entry;
	
	public MethodImplementationsTreeNode(Translator deobfuscatingTranslator,
		MethodEntry entry)
	{
		if(entry == null)
			throw new IllegalArgumentException("entry cannot be null!");
		
		m_deobfuscatingTranslator = deobfuscatingTranslator;
		m_entry = entry;
	}
	
	public MethodEntry getMethodEntry()
	{
		return m_entry;
	}
	
	public String getDeobfClassName()
	{
		return m_deobfuscatingTranslator.translateClass(m_entry.getClassName());
	}
	
	public String getDeobfMethodName()
	{
		return m_deobfuscatingTranslator.translate(m_entry);
	}
	
	@Override
	public String toString()
	{
		String className = getDeobfClassName();
		if(className == null)
			className = m_entry.getClassName();
		
		String methodName = getDeobfMethodName();
		if(methodName == null)
			methodName = m_entry.getName();
		return className + "." + methodName + "()";
	}
	
	public void load(JarIndex index)
	{
		
		// get all method implementations
		List<MethodImplementationsTreeNode> nodes = Lists.newArrayList();
		for(String implementingClassName : index.getImplementingClasses(m_entry
			.getClassName()))
		{
			MethodEntry methodEntry =
				new MethodEntry(new ClassEntry(implementingClassName),
					m_entry.getName(), m_entry.getSignature());
			if(index.containsObfBehavior(methodEntry))
				nodes.add(new MethodImplementationsTreeNode(
					m_deobfuscatingTranslator, methodEntry));
		}
		
		// add them to this node
		for(MethodImplementationsTreeNode node : nodes)
			add(node);
	}
	
	public static MethodImplementationsTreeNode findNode(
		MethodImplementationsTreeNode node, MethodEntry entry)
	{
		// is this the node?
		if(node.getMethodEntry().equals(entry))
			return node;
		
		// recurse
		for(int i = 0; i < node.getChildCount(); i++)
		{
			MethodImplementationsTreeNode foundNode =
				findNode((MethodImplementationsTreeNode)node.getChildAt(i),
					entry);
			if(foundNode != null)
				return foundNode;
		}
		return null;
	}
}