corner.util.BeanUtils.java Source code

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Here is the source code for corner.util.BeanUtils.java

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// Copyright 2007 the original author or authors.
// site: http://www.bjmaxinfo.com
// file: $Id: BeanUtils.java 3919 2008-01-16 04:36:52Z xf $
// created at:2005-10-18
//
// 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 corner.util;

import java.beans.PropertyDescriptor;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import corner.service.EntityService;
import corner.util.ognl.OgnlUtil;

/**
 * bean?Ognl
 * 
 * @author <a href="http://wiki.java.net/bin/view/People/JunTsai">Jun Tsai</a>
 * @version $Revision:3677 $
 */
public class BeanUtils {
    static {

        // only for opensymphony oscore
        System.setProperty("bean.provider", "ognl");

        // only form apache beanutils
        // Converter igConverter = new IntegerConverter(null);
        // ConvertUtils.register(igConverter, Integer.TYPE); // Native type
        // ConvertUtils.register(igConverter, Integer.class);
        //
        // Converter dateConverter= new DateConverter();
        // ConvertUtils.register(dateConverter,Timestamp.class);
        // ConvertUtils.register(dateConverter, Date.class);

    }

    /**
     * ?get????
     * @param bean ?
     */
    public static List getPropertyMethodNames(Object bean) {

        Class ObjectClass = EntityService.getEntityClass(bean);

        List<String> propertys = new ArrayList<String>();

        PropertyDescriptor[] pds = org.apache.commons.beanutils.PropertyUtils.getPropertyDescriptors(ObjectClass);

        for (PropertyDescriptor pd : pds) {
            propertys.add(pd.getDisplayName());
        }

        return propertys;
    }

    /**
     * 
     * 
     * @param bean
     *            bean
     * @param pro
     *            ??
     * @param value
     *            
     */
    public static void setProperty(Object bean, String pro, Object value) {
        OgnlUtil.setProperty(bean, pro, value);
        // com.opensymphony.util.BeanUtils.setValue(bean, pro, value);
        // if (value == null)
        // return;
        // try {
        // org.apache.commons.beanutils.BeanUtils.setProperty(
        // bean,
        // pro,
        // value);
        // } catch (IllegalAccessException e) {
        // e.printStackTrace();
        // } catch (InvocationTargetException e) {
        // e.printStackTrace();
        // }
    }

    /**
     * bean
     * 
     * @param bean
     *            bean.
     * @param pro
     *            ??.
     * @return .
     */
    public static Object getProperty(Object bean, String pro) {

        if (Character.isUpperCase(pro.charAt(0))) {
            pro = Character.toLowerCase(pro.charAt(0)) + pro.substring(1);
        }
        try {
            return org.apache.commons.beanutils.PropertyUtils.getProperty(bean, pro);
        } catch (Exception e) {
            return null;
        }
    }

    /**
     * ?origdest.
     * 
     * @param dest
     *            ?bean.
     * @param orig
     *            bean.
     */
    public static void setProperties(Object dest, Object orig) {
        OgnlUtil.copy(orig, dest, null);
        // com.opensymphony.util.BeanUtils.setValues(dest, orig,null);
        // try {
        // org.apache.commons.beanutils.BeanUtils.copyProperties(dest, orig);
        // } catch (IllegalAccessException e) {
        // e.printStackTrace();
        // } catch (InvocationTargetException e) {
        // e.printStackTrace();
        // }
    }

    /**
     * mapbean.
     * 
     * @param bean
     *            ?bean.
     * @param map
     *            ?map.
     */
    public static void setProperties(Object bean, Map map) {

        OgnlUtil.setProperties(map, bean);

        // com.opensymphony.util.BeanUtils.setValues(bean, map, null);
        // try {
        // org.apache.commons.beanutils.BeanUtils.populate(bean, map);
        // } catch (IllegalAccessException e) {
        // e.printStackTrace();
        // } catch (InvocationTargetException e) {
        // e.printStackTrace();
        // }
    }

    /**
     * .
     * 
     * @param clazz
     *            ??.
     * @return .
     */
    public static Object instantiateClass(String clazz) {
        try {
            return Class.forName(clazz).newInstance();
        } catch (InstantiationException e) {
            throw new RuntimeException(e);
        } catch (IllegalAccessException e) {
            throw new RuntimeException(e);
        } catch (ClassNotFoundException e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * .
     * 
     * @param clazz
     *            ??.
     * @return .
     */
    public static <T> T instantiateClass(Class<T> clazz) {
        try {
            return clazz.newInstance();
        } catch (InstantiationException e) {
            throw new RuntimeException(e);
        } catch (IllegalAccessException e) {
            throw new RuntimeException(e);
        }
    }

}