GenerateAccessorAtSource.java

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 * License Version 1.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
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 *
 * Software distributed under the License is distributed on an "AS
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 * Copyright (C) 2006 Mirko Stocker <me@misto.ch>
 * 
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package org.rubypeople.rdt.refactoring.core.movefield;

import java.util.Collection;

import org.jruby.ast.BlockNode;
import org.jruby.ast.InstAsgnNode;
import org.jruby.ast.InstVarNode;
import org.jruby.ast.types.INameNode;
import org.rubypeople.rdt.refactoring.core.NodeProvider;
import org.rubypeople.rdt.refactoring.core.encapsulatefield.EncapsulateFieldConditionChecker;
import org.rubypeople.rdt.refactoring.core.encapsulatefield.EncapsulateFieldConfig;
import org.rubypeople.rdt.refactoring.core.encapsulatefield.FieldEncapsulator;
import org.rubypeople.rdt.refactoring.editprovider.EditProvider;
import org.rubypeople.rdt.refactoring.nodewrapper.VisibilityNodeWrapper.METHOD_VISIBILITY;

public class GenerateAccessorAtSource {
	
	private class CustomTargetFieldEncapsulator extends FieldEncapsulator {
		public CustomTargetFieldEncapsulator(EncapsulateFieldConfig fieldConfig) {
			super(fieldConfig);
		}

		@Override
		protected BlockNode createGetterOrSetter(boolean writer, METHOD_VISIBILITY visibility) {
			BlockNode accessor = super.createGetterOrSetter(writer, visibility);
			INameNode targetNode = (INameNode) NodeProvider.getSubNodes(accessor, InstVarNode.class, InstAsgnNode.class).iterator().next();
			if(targetNode instanceof InstVarNode) {
				((InstVarNode) targetNode).setName(config.getTargetReference() + '.' + targetNode.getName().substring(1));
			} else {
				((InstAsgnNode)targetNode).setName(config.getTargetReference() + '.' + targetNode.getName().substring(1));
			}
			return accessor;
		}
	}

	private final MoveFieldConfig config;
	
	public GenerateAccessorAtSource(MoveFieldConfig config) {
		this.config = config;
	}
	
	public Collection<EditProvider> getEditProviders() {
		EncapsulateFieldConfig fieldConfig = new EncapsulateFieldConfig(config.getDocumentProvider(), config.getPos());
	
		new EncapsulateFieldConditionChecker(fieldConfig);
		
		FieldEncapsulator fieldEncapsulator = new CustomTargetFieldEncapsulator(fieldConfig);
		return fieldEncapsulator.getEditProviders();
	}
}