SimpleWriter.java example

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/**
 * Copyright (C) 2015 Valkyrie RCP
 *
 * 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.valkyriercp.widget.table;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

/**
 * Basic implementation of a {@link Writer}.
 * 
 * @author Jan Hoskens
 * @since 0.5.0
 */
public class SimpleWriter extends SimpleAccessor implements Writer
{

    /** Setter method for the property. */
    private Method writeMethod;

    /**
     * Constructor. Uses the return type of the getter to find a matching setter.
     * 
     * @param beanClass
     *            the type of the bean.
     * @param propertyName
     *            name of the property.
     * @see SimpleAccessor#SimpleAccessor(Class, String)
     */
    public SimpleWriter(Class<?> beanClass, String propertyName)
    {
        super(beanClass, propertyName);
        writeMethod = ClassUtils.getWriteMethod(beanClass, propertyName, getPropertyType());
    }

    /**
     * {@inheritDoc}
     */
    public void setValue(Object toEntity, Object newValue) throws IllegalAccessException,
            InvocationTargetException
    {
        writeMethod.invoke(toEntity, new Object[]{newValue});
    }

}