apps/showcase/src/main/java/org/apache/struts2/showcase/conversion/EnumTypeConverter.java

/*
 * $Id$
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.struts2.showcase.conversion;

import org.apache.struts2.util.StrutsTypeConverter;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

/**
 * @version $Date$ $Id$
 */
public class EnumTypeConverter extends StrutsTypeConverter {

	@Override
	public Object convertFromString(Map context, String[] values, Class toClass) {
		List<Enum> result = new ArrayList<Enum>();
		for (int a = 0; a < values.length; a++) {
			Enum e = Enum.valueOf(OperationsEnum.class, values[a]);
			if (e != null)
				result.add(e);
		}
		return result;
	}

	@Override
	public String convertToString(Map context, Object o) {
		List l = (List) o;
		String result = "<";
		for (Iterator i = l.iterator(); i.hasNext(); ) {
			result = result + "[" + i.next() + "]";
		}
		result = result + ">";
		return result;
	}


}