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Symmetry UI provides a basic UI toolkit for use with Symmetry.

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/*
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.hobsoft.symmetry.ui.traversal;

import org.hobsoft.symmetry.ui.Component;

import com.google.common.reflect.TypeToken;

import static org.hobsoft.symmetry.ui.traversal.ComponentVisitors.nullHierarchicalVisitor;

/**
 * 
 * 
 * @author Mark Hobson
 * @param 
 *            the parameter type this visitor takes
 * @param 
 *            the exception type this visitor can throw
 */
public class NullComponentVisitor implements ComponentVisitor
{
	// ComponentVisitor methods -----------------------------------------------
	
	/**
	 * {@inheritDoc}
	 */
	@Override
	public  HierarchicalComponentVisitor visit(TypeToken componentType, T component,
		P parameter) throws E
	{
		// TODO: return null
		return nullHierarchicalVisitor();
	}
}