ItemUtils.java example

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/*
 * Copyright 2009-2014 the original author or authors.
 *
 * 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.jdal.vaadin.data;

import java.lang.reflect.Method;

import org.springframework.util.ReflectionUtils;

import com.vaadin.data.Item;

/**
 * Utility class for dealing with {@link Item Items}.
 * 
 * @author Jose Luis Martin
 * @since 2.2
 */
public class ItemUtils {

	/**
	 * Get the wrapped bean from item calling to getMethod by  reflection.
	 * @param item item
	 * @return wrapped bean
	 */
	public static Object getBean(Item item) {
		if (item == null)
			return null;
		
		Method method = ReflectionUtils.findMethod(item.getClass(), "getBean");
		return ReflectionUtils.invokeMethod(method, item);
	}
}