将属性的值设置为bean的对象

/** nowjava.com - 时代Java 提 供 **/

/**   

 *  Copyright (c) 2005-2014 VedantaTree all rights reserved.

 * 

 *  This file is part of ExpressionOasis.

 *

 *  ExpressionOasis 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.

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 *  ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE 

 *  OR OTHER DEALINGS IN THE SOFTWARE.See the GNU Lesser General Public License 

 *  for more details.

 *

 *  You should have received a copy of the GNU Lesser General Public License

 *  along with ExpressionOasis. If not, see <http://www.gnu.org/licenses/>.

 *  

 *  Please consider to contribute any enhancements to upstream codebase. 

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 */

//package com.nowjava;

import java.beans.BeanInfo;

import java.beans.IntrospectionException;

import java.beans.Introspector;

import java.beans.PropertyDescriptor;

import java.lang.reflect.InvocationTargetException;


public class Main {



    /**

     * Sets the value of property to the object of bean

     * 

     * @param bean the bean object whose proeprty is to set.

     * @param property the name of property.

     * @param value the value to set for the property.

     * @throws IntrospectionException

     * @throws IllegalArgumentException

     * @throws IllegalAccessException

     * @throws InvocationTargetException

     */

    public static final void setPropertyValue(Object bean, String property,

            Object value) throws IntrospectionException,

            IllegalArgumentException, IllegalAccessException,/** 来自 时 代 J a v a 公 众 号 - N o w J a v  a . c o m**/

            InvocationTargetException {

        PropertyDescriptor descriptor = getPropertyDescriptor(

                bean.getClass(), property);

        if (descriptor != null && descriptor.getWriteMethod() != null) {

            descriptor.getWriteMethod()

                    .invoke(bean, new Object[] { value });

        }

    }


    /**

     * Gets the property descriptor for the property name from given class.

     * 

     * @param beanClass the class of bean

     * @param property the name of property.

     * @return the property descriptor if property name found else return <code>null</code>.

     * @throws IntrospectionException

     */

    public static final PropertyDescriptor getPropertyDescriptor(

            Class beanClass, String property)