com.allinfinance.system.util.BeanUtils.java Source code

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Here is the source code for com.allinfinance.system.util.BeanUtils.java

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/* @(#)
 *
 * Project:NEBMis
 *
 * Modify Information:
 * =============================================================================
 *   Author         Date           Description
 *   ------------ ---------- ---------------------------------------------------
 *   PanShuang      2010-5-28       first release
 *
 *
 * Copyright Notice:
 * =============================================================================
 *       Copyright 2008 allinfinance, Inc. All rights reserved.
 *
 *       This software is the confidential and proprietary information of
 *       Shanghai allinfinance Co., Ltd. ("Confidential Information").
 *       You shall not disclose such Confidential Information and shall use it
 *       only in accordance with the terms of the license agreement you entered
 *       into with allinfinance.
 *
 * Warning:
 * =============================================================================
 *
 */
package com.allinfinance.system.util;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import org.springframework.beans.BeanWrapper;
import org.springframework.beans.BeanWrapperImpl;

/**
 * Title:POJO
 * 
 * Description:
 * 
 * Copyright: Copyright (c) 2010-5-28
 * 
 * Company: Shanghai allinfinance Co., Ltd.
 * 
 * @author PanShuang
 * 
 * @version 1.0
 */
public class BeanUtils extends org.apache.commons.beanutils.BeanUtils {

    /**
     * POJONULL?
     * @param obj
     * @param val1 
     * @param val2 ?
     * @return
     * @throws IllegalAccessException
     * @throws InvocationTargetException
     * @throws NoSuchMethodException
     */
    public static Object setNullValueWithValue(Object obj, String val1, int val2)
            throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
        Method[] methods = obj.getClass().getMethods();
        String propertyName = null;
        String methodName = null;
        for (Method method : methods) {
            methodName = method.getName();
            if (methodName.startsWith("set")) {
                String type = method.getGenericParameterTypes()[0].toString();
                propertyName = methodName.substring(methodName.indexOf("set") + 3);
                propertyName = propertyName.substring(0, 1).toLowerCase() + propertyName.substring(1);
                if (getProperty(obj, propertyName) == null)
                    if ("class java.lang.String".equals(type)) {
                        copyProperty(obj, propertyName, val1);
                    } else {
                        copyProperty(obj, propertyName, val2);
                    }

            }
        }
        return obj;
    }

    /**
     * objnull-?
     * @param obj
     * @return
     * @throws IllegalAccessException
     * @throws InvocationTargetException
     * @throws NoSuchMethodException
     */
    public static Object setNullValueWithLine(Object obj)
            throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
        Method[] methods = obj.getClass().getMethods();
        String propertyName = null;
        String methodName = null;
        for (Method method : methods) {
            methodName = method.getName();
            if (methodName.startsWith("set")) {
                propertyName = methodName.substring(methodName.indexOf("set") + 3);
                propertyName = propertyName.substring(0, 1).toLowerCase() + propertyName.substring(1);
                if (getProperty(obj, propertyName) == null)
                    copyProperty(obj, propertyName, "-");
            }
        }
        return obj;
    }

    /**
     * ???
     * @param obj
     * @param iter
     * @param jsonBean
     * @param autoFill
     * @return
     * @throws IllegalAccessException
     * @throws InvocationTargetException
     * @throws NoSuchMethodException
     */
    @SuppressWarnings("unchecked")
    public static Object setObjectWithPropertiesValue(Object obj, JSONBean jsonBean, boolean autoFill)
            throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
        Iterator<String> iter = jsonBean.getObject().keys();
        while (iter.hasNext()) {
            String propertyName = iter.next();
            if (isContainProperty(obj, propertyName)) {
                copyProperty(obj, propertyName, jsonBean.getStringElementByKey(propertyName));
            }
        }
        // 
        if (autoFill) {
            setNullValueWithValue(obj, "-", 0);
        }
        return obj;
    }

    /**
     * ???
     * @param bean
     * @param property
     * @return
     */
    public static boolean isContainProperty(Object bean, String property) {

        Method[] methods = bean.getClass().getMethods();

        String fieldName = null;

        for (Method method : methods) {

            fieldName = method.getName().substring(3);

            fieldName = fieldName.substring(0, 1).toLowerCase() + fieldName.substring(1);

            if (fieldName.equals(property)) {
                return true;
            }
        }
        return false;
    }

    /**
     * 
     * @param bean
     * @param map
     * @throws NoSuchMethodException 
     * @throws InvocationTargetException 
     * @throws IllegalAccessException 
     */
    public static void iterateBeanProperties(Object bean, Map<String, String> map)
            throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
        Method[] methods = bean.getClass().getMethods();
        String propertyName = null;
        String methodName = null;
        for (Method method : methods) {
            methodName = method.getName();
            if (methodName.startsWith("set")) {
                propertyName = methodName.substring(methodName.indexOf("set") + 3);
                propertyName = propertyName.substring(0, 1).toLowerCase() + propertyName.substring(1);
                map.put(propertyName, getProperty(bean, propertyName));
            }
        }
    }

    /**
     * null??
    * @param source
    * @return
    */
    public static String[] getNullPropertyNames(Object source) {
        final BeanWrapper src = new BeanWrapperImpl(source);
        java.beans.PropertyDescriptor[] pds = src.getPropertyDescriptors();

        Set<String> emptyNames = new HashSet<String>();
        for (java.beans.PropertyDescriptor pd : pds) {
            Object srcValue = src.getPropertyValue(pd.getName());
            if (srcValue == null)
                emptyNames.add(pd.getName());
        }
        String[] result = new String[emptyNames.size()];
        return emptyNames.toArray(result);
    }

    /**
     * bean?   null??
     * @param src
     * @param target
     */
    public static void copyPropertiesIgnoreNull(Object src, Object target) {
        org.springframework.beans.BeanUtils.copyProperties(src, target, getNullPropertyNames(src));
    }
}