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				+/** 
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				+ * Copyright (c) 2005-2012 springside.org.cn 
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				+ */ 
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				+package com.huaxu.common; 
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				+ 
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				+import java.lang.reflect.Field; 
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				+import java.lang.reflect.InvocationTargetException; 
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				+import java.lang.reflect.Method; 
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				+import java.lang.reflect.Modifier; 
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				+import java.lang.reflect.ParameterizedType; 
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				+import java.lang.reflect.Type; 
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				+ 
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				+import org.apache.commons.lang3.StringUtils; 
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				+import org.apache.commons.lang3.Validate; 
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				+import org.slf4j.Logger; 
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				+import org.slf4j.LoggerFactory; 
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				+import org.springframework.util.Assert; 
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				+ 
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				+/** 
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				+ * 反射工具类. 
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				+ * 提供调用getter/setter方法, 访问私有变量, 调用私有方法, 获取泛型类型Class, 被AOP过的真实类等工具函数. 
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				+ * @author calvin 
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				+ * @version 2013-01-15 
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				+ */ 
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				+@SuppressWarnings("rawtypes") 
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				+public class Reflections { 
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				+	 
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				+	private static final String SETTER_PREFIX = "set"; 
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				+ 
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				+	private static final String GETTER_PREFIX = "get"; 
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				+ 
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				+	private static final String CGLIB_CLASS_SEPARATOR = "$$"; 
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				+	 
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				+	private static Logger logger = LoggerFactory.getLogger(Reflections.class); 
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				+ 
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				+	/** 
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				+	 * 调用Getter方法. 
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				+	 * 支持多级,如:对象名.对象名.方法 
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				+	 */ 
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				+	public static Object invokeGetter(Object obj, String propertyName) { 
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				+		Object object = obj; 
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				+		for (String name : StringUtils.split(propertyName, ".")){ 
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				+			String getterMethodName = GETTER_PREFIX + StringUtils.capitalize(name); 
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				+			object = invokeMethod(object, getterMethodName, new Class[] {}, new Object[] {}); 
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				+		} 
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				+		return object; 
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				+	} 
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				+ 
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				+	/** 
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				+	 * 调用Setter方法, 仅匹配方法名。 
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				+	 * 支持多级,如:对象名.对象名.方法 
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				+	 */ 
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				+	public static void invokeSetter(Object obj, String propertyName, Object value) { 
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				+		Object object = obj; 
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				+		String[] names = StringUtils.split(propertyName, "."); 
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				+		for (int i=0; i<names.length; i++){ 
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				+			if(i<names.length-1){ 
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				+				String getterMethodName = GETTER_PREFIX + StringUtils.capitalize(names[i]); 
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				+				object = invokeMethod(object, getterMethodName, new Class[] {}, new Object[] {}); 
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				+			}else{ 
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				+				String setterMethodName = SETTER_PREFIX + StringUtils.capitalize(names[i]); 
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				+				invokeMethodByName(object, setterMethodName, new Object[] { value }); 
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				+			} 
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				+		} 
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				+	} 
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				+ 
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				+	/** 
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				+	 * 直接读取对象属性值, 无视private/protected修饰符, 不经过getter函数. 
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				+	 */ 
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				+	public static Object getFieldValue(final Object obj, final String fieldName) { 
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				+		Field field = getAccessibleField(obj, fieldName); 
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				+ 
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				+		if (field == null) { 
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				+			throw new IllegalArgumentException("Could not find field [" + fieldName + "] on target [" + obj + "]"); 
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				+		} 
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				+ 
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				+		Object result = null; 
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				+		try { 
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				+			result = field.get(obj); 
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				+		} catch (IllegalAccessException e) { 
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				+			logger.error("不可能抛出的异常{}", e.getMessage()); 
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				+		} 
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				+		return result; 
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				+	} 
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				+ 
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				+	/** 
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				+	 * 直接设置对象属性值, 无视private/protected修饰符, 不经过setter函数. 
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				+	 */ 
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				+	public static void setFieldValue(final Object obj, final String fieldName, final Object value) { 
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				+		Field field = getAccessibleField(obj, fieldName); 
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				+ 
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				+		if (field == null) { 
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				+			throw new IllegalArgumentException("Could not find field [" + fieldName + "] on target [" + obj + "]"); 
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				+		} 
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				+ 
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				+		try { 
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				+			field.set(obj, value); 
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				+		} catch (IllegalAccessException e) { 
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				+			logger.error("不可能抛出的异常:{}", e.getMessage()); 
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				+		} 
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				+	} 
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				+ 
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				+	/** 
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				+	 * 直接调用对象方法, 无视private/protected修饰符. 
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				+	 * 用于一次性调用的情况,否则应使用getAccessibleMethod()函数获得Method后反复调用. 
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				+	 * 同时匹配方法名+参数类型, 
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				+	 */ 
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				+	public static Object invokeMethod(final Object obj, final String methodName, final Class<?>[] parameterTypes, 
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				+			final Object[] args) { 
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				+		Method method = getAccessibleMethod(obj, methodName, parameterTypes); 
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				+		if (method == null) { 
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				+			throw new IllegalArgumentException("Could not find method [" + methodName + "] on target [" + obj + "]"); 
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				+		} 
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				+ 
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				+		try { 
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				+			return method.invoke(obj, args); 
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				+		} catch (Exception e) { 
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				+			throw convertReflectionExceptionToUnchecked(e); 
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				+		} 
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				+	} 
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				+ 
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				+	/** 
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				+	 * 直接调用对象方法, 无视private/protected修饰符, 
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				+	 * 用于一次性调用的情况,否则应使用getAccessibleMethodByName()函数获得Method后反复调用. 
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				+	 * 只匹配函数名,如果有多个同名函数调用第一个。 
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				+	 */ 
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				+	public static Object invokeMethodByName(final Object obj, final String methodName, final Object[] args) { 
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				+		Method method = getAccessibleMethodByName(obj, methodName); 
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				+		if (method == null) { 
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				+			throw new IllegalArgumentException("Could not find method [" + methodName + "] on target [" + obj + "]"); 
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				+		} 
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				+ 
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				+		try { 
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				+			return method.invoke(obj, args); 
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				+		} catch (Exception e) { 
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				+			throw convertReflectionExceptionToUnchecked(e); 
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				+		} 
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				+	} 
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				+ 
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				+	/** 
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				+	 * 循环向上转型, 获取对象的DeclaredField, 并强制设置为可访问. 
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				+	 *  
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				+	 * 如向上转型到Object仍无法找到, 返回null. 
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				+	 */ 
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				+	public static Field getAccessibleField(final Object obj, final String fieldName) { 
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				+		Validate.notNull(obj, "object can't be null"); 
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				+		Validate.notBlank(fieldName, "fieldName can't be blank"); 
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				+		for (Class<?> superClass = obj.getClass(); superClass != Object.class; superClass = superClass.getSuperclass()) { 
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				+			try { 
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				+				Field field = superClass.getDeclaredField(fieldName); 
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				+				makeAccessible(field); 
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				+				return field; 
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				+			} catch (NoSuchFieldException e) {//NOSONAR 
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				+				// Field不在当前类定义,继续向上转型 
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				+				continue;// new add 
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				+			} 
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				+		} 
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				+		return null; 
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				+	} 
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				+ 
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				+	/** 
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				+	 * 循环向上转型, 获取对象的DeclaredMethod,并强制设置为可访问. 
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				+	 * 如向上转型到Object仍无法找到, 返回null. 
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				+	 * 匹配函数名+参数类型。 
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				+	 *  
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				+	 * 用于方法需要被多次调用的情况. 先使用本函数先取得Method,然后调用Method.invoke(Object obj, Object... args) 
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				+	 */ 
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				+	public static Method getAccessibleMethod(final Object obj, final String methodName, 
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				+			final Class<?>... parameterTypes) { 
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				+		Validate.notNull(obj, "object can't be null"); 
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				+		Validate.notBlank(methodName, "methodName can't be blank"); 
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				+ 
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				+		for (Class<?> searchType = obj.getClass(); searchType != Object.class; searchType = searchType.getSuperclass()) { 
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				+			try { 
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				+				Method method = searchType.getDeclaredMethod(methodName, parameterTypes); 
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				+				makeAccessible(method); 
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				+				return method; 
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				+			} catch (NoSuchMethodException e) { 
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				+				// Method不在当前类定义,继续向上转型 
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				+				continue;// new add 
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				+			} 
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				+		} 
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				+		return null; 
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				+	} 
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				+ 
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				+	/** 
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				+	 * 循环向上转型, 获取对象的DeclaredMethod,并强制设置为可访问. 
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				+	 * 如向上转型到Object仍无法找到, 返回null. 
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				+	 * 只匹配函数名。 
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				+	 *  
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				+	 * 用于方法需要被多次调用的情况. 先使用本函数先取得Method,然后调用Method.invoke(Object obj, Object... args) 
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				+	 */ 
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				+	public static Method getAccessibleMethodByName(final Object obj, final String methodName) { 
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				+		Validate.notNull(obj, "object can't be null"); 
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				+		Validate.notBlank(methodName, "methodName can't be blank"); 
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				+ 
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				+		for (Class<?> searchType = obj.getClass(); searchType != Object.class; searchType = searchType.getSuperclass()) { 
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				+			Method[] methods = searchType.getDeclaredMethods(); 
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				+			for (Method method : methods) { 
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				+				if (method.getName().equals(methodName)) { 
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				+					makeAccessible(method); 
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				+					return method; 
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				+				} 
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				+			} 
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				+		} 
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				+		return null; 
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				+	} 
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				+ 
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				+	/** 
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				+	 * 改变private/protected的方法为public,尽量不调用实际改动的语句,避免JDK的SecurityManager抱怨。 
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				+	 */ 
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				+	public static void makeAccessible(Method method) { 
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				+		if ((!Modifier.isPublic(method.getModifiers()) || !Modifier.isPublic(method.getDeclaringClass().getModifiers())) 
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				+				&& !method.isAccessible()) { 
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				+			method.setAccessible(true); 
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				+		} 
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				+	} 
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				+ 
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				+	/** 
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				+	 * 改变private/protected的成员变量为public,尽量不调用实际改动的语句,避免JDK的SecurityManager抱怨。 
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				+	 */ 
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				+	public static void makeAccessible(Field field) { 
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				+		if ((!Modifier.isPublic(field.getModifiers()) || !Modifier.isPublic(field.getDeclaringClass().getModifiers()) || Modifier 
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				+				.isFinal(field.getModifiers())) && !field.isAccessible()) { 
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				+			field.setAccessible(true); 
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				+		} 
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				+	} 
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				+ 
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				+	/** 
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				+	 * 通过反射, 获得Class定义中声明的泛型参数的类型, 注意泛型必须定义在父类处 
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				 | 
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				+	 * 如无法找到, 返回Object.class. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 * eg. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 * public UserDao extends HibernateDao<User> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 * @param clazz The class to introspect 
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				 | 
				 | 
			
			
				+	 * @return the first generic declaration, or Object.class if cannot be determined 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	@SuppressWarnings("unchecked") 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	public static <T> Class<T> getClassGenricType(final Class clazz) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		return getClassGenricType(clazz, 0); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	} 
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				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 * 通过反射, 获得Class定义中声明的父类的泛型参数的类型. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 * 如无法找到, 返回Object.class. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 *  
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 * 如public UserDao extends HibernateDao<User,Long> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 * @param clazz clazz The class to introspect 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 * @param index the Index of the generic ddeclaration,start from 0. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 * @return the index generic declaration, or Object.class if cannot be determined 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	public static Class getClassGenricType(final Class clazz, final int index) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		Type genType = clazz.getGenericSuperclass(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		if (!(genType instanceof ParameterizedType)) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+			logger.warn(clazz.getSimpleName() + "'s superclass not ParameterizedType"); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+			return Object.class; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		Type[] params = ((ParameterizedType) genType).getActualTypeArguments(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		if (index >= params.length || index < 0) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+			logger.warn("Index: " + index + ", Size of " + clazz.getSimpleName() + "'s Parameterized Type: " 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+					+ params.length); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+			return Object.class; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		if (!(params[index] instanceof Class)) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+			logger.warn(clazz.getSimpleName() + " not set the actual class on superclass generic parameter"); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+			return Object.class; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		return (Class) params[index]; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	public static Class<?> getUserClass(Object instance) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		Assert.notNull(instance, "Instance must not be null"); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		Class clazz = instance.getClass(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		if (clazz != null && clazz.getName().contains(CGLIB_CLASS_SEPARATOR)) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+			Class<?> superClass = clazz.getSuperclass(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+			if (superClass != null && !Object.class.equals(superClass)) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+				return superClass; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+			} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		return clazz; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	/** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 * 将反射时的checked exception转换为unchecked exception. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	 */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	public static RuntimeException convertReflectionExceptionToUnchecked(Exception e) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		if (e instanceof IllegalAccessException || e instanceof IllegalArgumentException 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+				|| e instanceof NoSuchMethodException) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+			return new IllegalArgumentException(e); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		} else if (e instanceof InvocationTargetException) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+			return new RuntimeException(((InvocationTargetException) e).getTargetException()); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		} else if (e instanceof RuntimeException) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+			return (RuntimeException) e; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+		return new RuntimeException("Unexpected Checked Exception.", e); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+	} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 |