ConstructorRenameEditProvider.java

/***** BEGIN LICENSE BLOCK *****
 * Version: CPL 1.0/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Common Public
 * License Version 1.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.eclipse.org/legal/cpl-v10.html
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * Copyright (C) 2006 Mirko Stocker <me@misto.ch>
 * 
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 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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package org.rubypeople.rdt.refactoring.core.renameclass;

import java.util.ArrayList;
import java.util.Collection;

import org.jruby.ast.Node;
import org.rubypeople.rdt.refactoring.editprovider.FileEditProvider;
import org.rubypeople.rdt.refactoring.editprovider.ReplaceEditProvider;

public class ConstructorRenameEditProvider {
	
	private static class ConstructorEditProvider extends ReplaceEditProvider {
		
		private final ConstructorCall call;

		public ConstructorEditProvider(ConstructorCall call) {
			this.call = call;
		}

		@Override
		protected int getOffsetLength() {
			return call.getReceiverLength();
		}

		@Override
		protected Node getEditNode(int offset, String document) {
			return call.getNode().getReceiverNode();
		}

		@Override
		protected int getOffset(String document) {
			return call.getReceiverOffset();
		}
	}
	
	private final Collection<ConstructorCall> calls;
	private final String newName;

	public ConstructorRenameEditProvider(Collection<ConstructorCall> calls, String newName) {
		this.calls = calls;
		this.newName = newName;
	}

	protected Collection<FileEditProvider> getEditProviders() {
		Collection<FileEditProvider> edits = new ArrayList<FileEditProvider>();
		
		for (ConstructorCall call : calls) {
			call.setName(newName);
			edits.add(new FileEditProvider(call.getNode().getPosition().getFile(), new ConstructorEditProvider(call)));
		}
		
		return edits;
	}

}