From 82966b3beb0793e42b9188e46e4b6ee9ab9000de Mon Sep 17 00:00:00 2001
From: 王彬 <wangbin@taover.com>
Date: Mon, 19 Aug 2019 15:06:40 +0800
Subject: [PATCH] optimized UtilObject

---
 src/main/java/com/taover/util/UtilObject.java               | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 src/main/java/com/taover/util/bean/ResultInfoException.java |   2 --
 2 files changed, 103 insertions(+), 3 deletions(-)

diff --git a/src/main/java/com/taover/util/UtilObject.java b/src/main/java/com/taover/util/UtilObject.java
index b8a5356..edd2f3c 100644
--- a/src/main/java/com/taover/util/UtilObject.java
+++ b/src/main/java/com/taover/util/UtilObject.java
@@ -2,7 +2,9 @@ package com.taover.util;
 
 import java.lang.reflect.Field;
 import java.util.ArrayList;
+import java.util.Iterator;
 import java.util.List;
+import java.util.Map;
 
 public class UtilObject {
 	/**
@@ -96,7 +98,81 @@ public class UtilObject {
 		}
 		
 		return newDest;
-	}	
+	}
+	
+	/**
+	 * 将源对象source字段赋值到对象dest字段，条件1字段名相同，条件2字段类型相同；
+	 * 注：source与dest可以是两个没有关系的类，不接受基本封装类型，例如Integer
+	 * @param source
+	 * @param destClass
+	 * @param allowNull
+	 * @param exceptFieldNameArray
+	 * @return 如果source==null或者destClass==null，则返回false
+	 */
+	public static <E> E fieldCopy(Object source, Class<E> destClass, boolean allowNull, String exceptFieldNameArray[]) throws Exception{
+		//引用检查
+		if(source==null || destClass==null){
+			return null;
+		}
+		
+		//获取Field数组
+		Field[] sourceField = source.getClass().getDeclaredFields();
+		Field[] destField = destClass.getDeclaredFields();
+		
+		//获取目标对象
+		String[] destFieldNameArray = new String[destField.length];
+		String[] destFieldTypeArray = new String[destField.length];
+		for(int i=0; i<destField.length; ++i){
+			destFieldNameArray[i] = destField[i].getName();
+			destFieldTypeArray[i] = destField[i].getType().getName();
+		}
+	
+		E newDest = destClass.newInstance();
+				
+		//遍历源field数组，处理源field数组
+		for(int i=0; i<sourceField.length; ++i){
+			//获取源field相关信息
+			Object sourceFieldValue = null;
+			String sourceFieldName = sourceField[i].getName();
+			String sourceFieldType = sourceField[i].getType().getName();
+			
+			//获取sourceFieldValue值
+			sourceField[i].setAccessible(true);
+			try {
+				sourceFieldValue = sourceField[i].get(source);
+			} catch (Exception e1) {
+				e1.printStackTrace();
+			}
+			
+			//检查是否在exceptFieldName中
+			if(-1 != UtilString.getStringIndex(sourceFieldName, exceptFieldNameArray)){
+				continue;
+			}
+			
+			//检验sourceFieldValue是否为NULL
+			if(!allowNull && sourceFieldValue == null){
+				continue;
+			}
+			
+			//检查源field字段名是否在目标field组中存在
+			int nameIndex = UtilString.getStringIndex(sourceFieldName, destFieldNameArray);
+			if(nameIndex == -1){
+				continue;
+			}else{
+				//如果源field与目标field数据类型相同，则将sourceFieldValue赋值给目标对象
+				if(sourceFieldType.equals(destFieldTypeArray[nameIndex])){
+					destField[nameIndex].setAccessible(true);
+					try {
+						destField[nameIndex].set(newDest, sourceFieldValue);
+					} catch (Exception e) {
+						e.printStackTrace();
+					}
+				}
+			}
+		}
+		
+		return newDest;
+	}
 	
 	/**
 	 * 将对象的所有属性转换到list数组中以objce数组存储，数组长度为2，第一个为属性名，第二个为属性值，如果对象属性值为null，则跳过该属性
@@ -194,6 +270,32 @@ public class UtilObject {
 		}
 		
 		return result;
+	}	
+	
+	public static <E> E mapToObject(Map<String, Object> dataMap, Class<E> beanClass, boolean isCopyNull, String exceptFieldNameArray[]) throws Exception{
+		if(beanClass == null){
+			return null;
+		}
+		E result = beanClass.newInstance();
+		Iterator<String> keyIter = dataMap.keySet().iterator();
+		while(keyIter.hasNext()){
+			String keyName = keyIter.next();
+			String camelName = UtilString.camelName(keyName);
+			Object keyValue = dataMap.get(keyName);
+			
+			if(keyValue == null){
+				continue;
+			}
+			
+			Field keyField = beanClass.getDeclaredField(camelName);
+			String keyTypeName = keyField.getType().getSimpleName();
+			if(keyTypeName.equals("String")){
+				keyField.set(result, keyValue.toString());
+			}else if(keyTypeName.equals("Integer")){
+				keyField.set(result, Integer.valueOf(keyValue.toString()));
+			}
+		}
+		return result;
 	}
 	
 	public static void main(String args[]){
diff --git a/src/main/java/com/taover/util/bean/ResultInfoException.java b/src/main/java/com/taover/util/bean/ResultInfoException.java
index 53f2104..84059ea 100644
--- a/src/main/java/com/taover/util/bean/ResultInfoException.java
+++ b/src/main/java/com/taover/util/bean/ResultInfoException.java
@@ -7,8 +7,6 @@ public class ResultInfoException extends Exception {
 	private String error;
 	private Object data;
 	
-	private ResultInfoException(){}
-	
 	protected ResultInfoException(String code, String error, Object data){
 		this.code = code;
 		this.error = error;
--
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