package com.jeeplus.common.utils;
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import java.beans.PropertyDescriptor;
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import java.lang.reflect.InvocationTargetException;
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import java.util.Iterator;
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import java.util.Map;
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import org.apache.commons.beanutils.DynaBean;
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import org.apache.commons.beanutils.DynaProperty;
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import org.apache.commons.beanutils.PropertyUtils;
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import org.apache.commons.beanutils.PropertyUtilsBean;
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/**
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* <p>Title: </p>
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* <p>Description: </p>
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* @author 刘高峰
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* @version 2.0
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*/
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public class MyBeanUtils
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extends PropertyUtilsBean {
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private static void convert(Object dest, Object orig) throws
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IllegalAccessException, InvocationTargetException {
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// Validate existence of the specified beans
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if (dest == null) {
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throw new IllegalArgumentException
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("No destination bean specified");
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}
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if (orig == null) {
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throw new IllegalArgumentException("No origin bean specified");
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}
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// Copy the properties, converting as necessary
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if (orig instanceof DynaBean) {
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DynaProperty origDescriptors[] =
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( (DynaBean) orig).getDynaClass().getDynaProperties();
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for (int i = 0; i < origDescriptors.length; i++) {
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String name = origDescriptors[i].getName();
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if (PropertyUtils.isWriteable(dest, name)) {
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Object value = ( (DynaBean) orig).get(name);
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try {
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getInstance().setSimpleProperty(dest, name, value);
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}
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catch (Exception e) {
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; // Should not happen
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}
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}
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}
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}
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else if (orig instanceof Map) {
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Iterator names = ( (Map) orig).keySet().iterator();
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while (names.hasNext()) {
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String name = (String) names.next();
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if (PropertyUtils.isWriteable(dest, name)) {
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Object value = ( (Map) orig).get(name);
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try {
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getInstance().setSimpleProperty(dest, name, value);
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}
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catch (Exception e) {
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; // Should not happen
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}
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}
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}
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}
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else
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/* if (orig is a standard JavaBean) */
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{
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PropertyDescriptor origDescriptors[] =
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PropertyUtils.getPropertyDescriptors(orig);
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for (int i = 0; i < origDescriptors.length; i++) {
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String name = origDescriptors[i].getName();
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// String type = origDescriptors[i].getPropertyType().toString();
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if ("class".equals(name)) {
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continue; // No point in trying to set an object's class
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}
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if (PropertyUtils.isReadable(orig, name) &&
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PropertyUtils.isWriteable(dest, name)) {
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try {
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Object value = PropertyUtils.getSimpleProperty(orig, name);
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getInstance().setSimpleProperty(dest, name, value);
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}
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catch (java.lang.IllegalArgumentException ie) {
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; // Should not happen
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}
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catch (Exception e) {
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; // Should not happen
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}
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}
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}
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}
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}
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/**
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* 对象拷贝
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* 数据对象空值不拷贝到目标对象
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*
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* @param dataObject
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* @param toObject
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* @throws NoSuchMethodException
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* copy
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*/
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public static void copyBeanNotNull2Bean(Object databean,Object tobean)throws Exception
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{
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PropertyDescriptor origDescriptors[] = PropertyUtils.getPropertyDescriptors(databean);
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for (int i = 0; i < origDescriptors.length; i++) {
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String name = origDescriptors[i].getName();
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// String type = origDescriptors[i].getPropertyType().toString();
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if ("class".equals(name)) {
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continue; // No point in trying to set an object's class
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}
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if (PropertyUtils.isReadable(databean, name) &&PropertyUtils.isWriteable(tobean, name)) {
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try {
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Object value = PropertyUtils.getSimpleProperty(databean, name);
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if(value!=null){
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getInstance().setSimpleProperty(tobean, name, value);
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}
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}
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catch (java.lang.IllegalArgumentException ie) {
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; // Should not happen
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}
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catch (Exception e) {
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; // Should not happen
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}
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}
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}
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}
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/**
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* 把orig和dest相同属性的value复制到dest中
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* @param dest
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* @param orig
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* @throws IllegalAccessException
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* @throws InvocationTargetException
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*/
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public static void copyBean2Bean(Object dest, Object orig) throws Exception {
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convert(dest, orig);
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}
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public static void copyBean2Map(Map map, Object bean){
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PropertyDescriptor[] pds = PropertyUtils.getPropertyDescriptors(bean);
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for (int i =0;i<pds.length;i++)
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{
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PropertyDescriptor pd = pds[i];
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String propname = pd.getName();
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try {
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Object propvalue = PropertyUtils.getSimpleProperty(bean,propname);
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map.put(propname, propvalue);
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} catch (IllegalAccessException e) {
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//e.printStackTrace();
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} catch (InvocationTargetException e) {
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//e.printStackTrace();
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} catch (NoSuchMethodException e) {
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//e.printStackTrace();
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}
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}
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}
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/**
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* 将Map内的key与Bean中属性相同的内容复制到BEAN中
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* @param bean Object
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* @param properties Map
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* @throws IllegalAccessException
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* @throws InvocationTargetException
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*/
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public static void copyMap2Bean(Object bean, Map properties) throws
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IllegalAccessException, InvocationTargetException {
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// Do nothing unless both arguments have been specified
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if ( (bean == null) || (properties == null)) {
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return;
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}
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// Loop through the property name/value pairs to be set
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Iterator names = properties.keySet().iterator();
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while (names.hasNext()) {
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String name = (String) names.next();
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// Identify the property name and value(s) to be assigned
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if (name == null) {
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continue;
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}
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Object value = properties.get(name);
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try {
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Class clazz = PropertyUtils.getPropertyType(bean, name);
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if (null == clazz) {
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continue;
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}
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String className = clazz.getName();
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if (className.equalsIgnoreCase("java.sql.Timestamp")) {
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if (value == null || value.equals("")) {
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continue;
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}
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}
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getInstance().setSimpleProperty(bean, name, value);
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}
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catch (NoSuchMethodException e) {
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continue;
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}
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}
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}
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/**
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* 自动转Map key值大写
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* 将Map内的key与Bean中属性相同的内容复制到BEAN中
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* @param bean Object
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* @param properties Map
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* @throws IllegalAccessException
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* @throws InvocationTargetException
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*/
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public static void copyMap2Bean_Nobig(Object bean, Map properties) throws
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IllegalAccessException, InvocationTargetException {
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// Do nothing unless both arguments have been specified
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if ( (bean == null) || (properties == null)) {
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return;
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}
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// Loop through the property name/value pairs to be set
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Iterator names = properties.keySet().iterator();
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while (names.hasNext()) {
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String name = (String) names.next();
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// Identify the property name and value(s) to be assigned
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if (name == null) {
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continue;
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}
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Object value = properties.get(name);
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// 命名应该大小写应该敏感(否则取不到对象的属性)
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//name = name.toLowerCase();
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try {
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if (value == null) { // 不光Date类型，好多类型在null时会出错
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continue; // 如果为null不用设 (对象如果有特殊初始值也可以保留？)
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}
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Class clazz = PropertyUtils.getPropertyType(bean, name);
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if (null == clazz) { // 在bean中这个属性不存在
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continue;
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}
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String className = clazz.getName();
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// 临时对策（如果不处理默认的类型转换时会出错）
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if (className.equalsIgnoreCase("java.util.Date")) {
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value = new java.util.Date(((java.sql.Timestamp)value).getTime());// wait to do：貌似有时区问题, 待进一步确认
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}
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// if (className.equalsIgnoreCase("java.sql.Timestamp")) {
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// if (value == null || value.equals("")) {
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// continue;
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// }
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// }
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getInstance().setSimpleProperty(bean, name, value);
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}
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catch (NoSuchMethodException e) {
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continue;
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}
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}
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}
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/**
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* Map内的key与Bean中属性相同的内容复制到BEAN中
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* 对于存在空值的取默认值
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* @param bean Object
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* @param properties Map
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* @param defaultValue String
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* @throws IllegalAccessException
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* @throws InvocationTargetException
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*/
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public static void copyMap2Bean(Object bean, Map properties, String defaultValue) throws
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IllegalAccessException, InvocationTargetException {
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// Do nothing unless both arguments have been specified
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if ( (bean == null) || (properties == null)) {
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return;
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}
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// Loop through the property name/value pairs to be set
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Iterator names = properties.keySet().iterator();
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while (names.hasNext()) {
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String name = (String) names.next();
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// Identify the property name and value(s) to be assigned
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if (name == null) {
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continue;
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}
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Object value = properties.get(name);
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try {
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Class clazz = PropertyUtils.getPropertyType(bean, name);
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if (null == clazz) {
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continue;
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}
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String className = clazz.getName();
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if (className.equalsIgnoreCase("java.sql.Timestamp")) {
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if (value == null || value.equals("")) {
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continue;
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}
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}
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if (className.equalsIgnoreCase("java.lang.String")) {
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if (value == null) {
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value = defaultValue;
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}
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}
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getInstance().setSimpleProperty(bean, name, value);
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}
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catch (NoSuchMethodException e) {
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continue;
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}
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}
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}
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public MyBeanUtils() {
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super();
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}
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}
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