/*
 * Rapid Beans Framework: PropertyReflectImpl.java
 * 
 * Copyright (C) 2009 Martin Bluemel
 * 
 * Creation Date: 10/08/2010
 * 
 * This program is free software; you can redistribute it and/or modify it under the terms of the
 * GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 3 of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 * You should have received a copies of the GNU Lesser General Public License and the
 * GNU General Public License along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

package org.rapidbeans.core.basic;

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

import org.rapidbeans.core.exception.RapidBeansRuntimeException;
import org.rapidbeans.core.type.TypeProperty;
import org.rapidbeans.core.util.StringHelper;

/**
 * Reflect over the properties.<br/>
 * 
 * @author Martin Bluemel
 */
public class PropertyReflectImpl extends Property {

	/**
	 * constructor for a new reflection Property.
	 * 
	 * @param type
	 *            the Property's type
	 * @param parentBean
	 *            the parent bean
	 */
	public PropertyReflectImpl(final TypeProperty type, final RapidBean parentBean) {
		super(type, parentBean);
	}

	/**
	 * generic value getter.
	 * 
	 * @return the String value of this Property
	 */
	public Object getValue() {
		Object ret = null;
		final Class<?> clazz = getBean().getType().getImplementingClass();
		final String getterMethodName = "get" + StringHelper.upperFirstCharacter(getName());
		try {
			final Method method = clazz.getMethod(getterMethodName);
			ret = method.invoke(getBean());
		} catch (SecurityException e) {
		} catch (NoSuchMethodException e) {
		} catch (IllegalArgumentException e) {
		} catch (IllegalAccessException e) {
		} catch (InvocationTargetException e) {
		}
		return ret;
	}

	/**
	 * String value getter.
	 * 
	 * @return the String representation of the Property's value.<br/>
	 *         For a String this is the value itself.
	 */
	public String toString() {
		if (getValue() == null) {
			return null;
		}
		return this.getValue().toString();
	}

	/**
	 * generic value setter.
	 * 
	 * @param newValue
	 *            the new value for this property.<br/>
	 *            Must be an instance of the following class:<br/>
	 *            <b>String:</b> the String<br/>
	 */
	public void setValue(final Object newValue) {
		throw new RapidBeansRuntimeException("Dependent property: " + getName());
	}

	/**
	 * converts different classes to the Property's internal value class.<br/>
	 * For a String property this means just verifying that the given object is
	 * a String.
	 * 
	 * @param argValue
	 *            the value to convert<br/>
	 *            Must be an instance of the following classes:<br/>
	 *            <b>String:</b> the String value<br/>
	 * 
	 * @return a String
	 */
	public String convertValue(final Object argValue) {
		return (String) argValue;
	}

	/**
	 * generic validation for the Property's value.
	 * 
	 * @param newValue
	 *            the value to validate<br/>
	 *            Must be an instance of the following classes:<br/>
	 *            <b>String:</b> the String to validate<br/>
	 * 
	 * @return the converted value which is the internal representation or if a
	 *         primitive type the corresponding value object
	 */
	public String validate(final Object newValue) {
		return (String) newValue;
	}
}