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enhance aop
This commit is contained in:
parent
5b5645cbbb
commit
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@ -9,7 +9,7 @@ import java.lang.reflect.Method;
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* @author ted.L
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* @author ted.L
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* @since 4.18
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* @since 4.18
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*/
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*/
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public interface Aspect{
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public interface Aspect {
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/**
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/**
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* 目标方法执行前的操作
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* 目标方法执行前的操作
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@ -24,15 +24,15 @@ public interface Aspect{
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/**
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/**
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* 目标方法执行后的操作
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* 目标方法执行后的操作
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* 如果 target.method 抛出异常且
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* 如果 target.method 抛出异常且
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* @see Aspect#afterException 返回true,则不会执行此操作
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* 如果
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* @see Aspect#afterException 返回false,则无论target.method是否抛出异常,均会执行此操作
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*
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*
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* @param target 目标对象
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* @param target 目标对象
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* @param method 目标方法
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* @param method 目标方法
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* @param args 参数
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* @param args 参数
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* @param returnVal 目标方法执行返回值
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* @param returnVal 目标方法执行返回值
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* @return 是否允许返回值(接下来的操作)
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* @return 是否允许返回值(接下来的操作)
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* @see Aspect#afterException 返回true,则不会执行此操作
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* 如果
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* @see Aspect#afterException 返回false,则无论target.method是否抛出异常,均会执行此操作
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*/
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*/
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boolean after(Object target, Method method, Object[] args, Object returnVal);
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boolean after(Object target, Method method, Object[] args, Object returnVal);
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@ -7,37 +7,41 @@ import java.lang.reflect.Method;
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* 简单切面类,不做任何操作<br>
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* 简单切面类,不做任何操作<br>
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* 可以继承此类实现自己需要的方法即可
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* 可以继承此类实现自己需要的方法即可
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*
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*
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* @author Looly
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* @author Looly, ted.L
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* @author ted.L
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*
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*/
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*/
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public abstract class SimpleAspect implements Aspect, Serializable{
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public class SimpleAspect implements Aspect, Serializable {
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private static final long serialVersionUID = 1L;
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private static final long serialVersionUID = 1L;
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/**
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* @see Aspect#before(Object, Method, Object[])
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* @return 是否继续执行接下来的操作 默认值true
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*/
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@Override
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@Override
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public boolean before(Object target, Method method, Object[] args) {
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public boolean before(Object target, Method method, Object[] args) {
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//继承此类后实现此方法
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//继承此类后实现此方法
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return true;
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return true;
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}
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}
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/**
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/**
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* @see Aspect#after(Object, Method, Object[], Object)
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* 目标方法执行后的操作
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* @return 是否允许返回值(接下来的操作) 默认值true
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* 如果 target.method 抛出异常且
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*
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* @param target 目标对象
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* @param method 目标方法
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* @param args 参数
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* @return 是否允许返回值(接下来的操作)
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* @see Aspect#afterException 返回true,则不会执行此操作
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* 如果
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* @see Aspect#afterException 返回false,则无论target.method是否抛出异常,均会执行此操作
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*/
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*/
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public boolean after(Object target, Method method, Object[] args) {
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//继承此类后实现此方法
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return after(target, method, args, null);
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}
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@Override
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@Override
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public boolean after(Object target, Method method, Object[] args, Object returnVal) {
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public boolean after(Object target, Method method, Object[] args, Object returnVal) {
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//继承此类后实现此方法
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//继承此类后实现此方法
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return true;
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return true;
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}
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}
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/**
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* @see Aspect#afterException(Object, Method, Object[], Throwable)
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* @return 是否允许抛出异常 默认值true
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*/
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@Override
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@Override
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public boolean afterException(Object target, Method method, Object[] args, Throwable e) {
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public boolean afterException(Object target, Method method, Object[] args, Throwable e) {
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//继承此类后实现此方法
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//继承此类后实现此方法
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@ -8,8 +8,8 @@ import cn.hutool.core.util.StrUtil;
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/**
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/**
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* 通过日志打印方法的执行时间的切面
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* 通过日志打印方法的执行时间的切面
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* @author Looly
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*
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*
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* @author Looly
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*/
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*/
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public class TimeIntervalAspect extends SimpleAspect {
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public class TimeIntervalAspect extends SimpleAspect {
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private static final long serialVersionUID = 1L;
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private static final long serialVersionUID = 1L;
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@ -24,7 +24,11 @@ public class TimeIntervalAspect extends SimpleAspect {
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@Override
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@Override
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public boolean after(Object target, Method method, Object[] args, Object returnVal) {
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public boolean after(Object target, Method method, Object[] args, Object returnVal) {
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Console.log("Method [{}.{}] execute spend [{}]ms return value [{}]", target.getClass().getName(), method.getName(), interval.intervalMs(), StrUtil.toString(returnVal));
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Console.log("Method [{}.{}] execute spend [{}]ms return value [{}]",
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target.getClass().getName(), //
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method.getName(), //
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interval.intervalMs(), //
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returnVal);
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return true;
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return true;
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}
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}
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}
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}
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@ -1,20 +1,17 @@
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package cn.hutool.aop.interceptor;
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package cn.hutool.aop.interceptor;
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import cn.hutool.aop.aspects.Aspect;
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import net.sf.cglib.proxy.MethodInterceptor;
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import net.sf.cglib.proxy.MethodProxy;
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import java.io.Serializable;
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import java.io.Serializable;
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import java.lang.reflect.InvocationTargetException;
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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.Method;
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import cn.hutool.aop.aspects.Aspect;
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import cn.hutool.core.exceptions.UtilException;
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import net.sf.cglib.proxy.MethodInterceptor;
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import net.sf.cglib.proxy.MethodProxy;
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/**
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/**
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* Cglib实现的动态代理切面
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* Cglib实现的动态代理切面
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*
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*
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* @author looly
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* @author looly, ted.L
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* @author ted.L
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*
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*/
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*/
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public class CglibInterceptor implements MethodInterceptor, Serializable {
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public class CglibInterceptor implements MethodInterceptor, Serializable {
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private static final long serialVersionUID = 1L;
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private static final long serialVersionUID = 1L;
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@ -40,22 +37,20 @@ public class CglibInterceptor implements MethodInterceptor, Serializable {
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@Override
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@Override
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public Object intercept(Object obj, Method method, Object[] args, MethodProxy proxy) throws Throwable {
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public Object intercept(Object obj, Method method, Object[] args, MethodProxy proxy) throws Throwable {
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Object result = null;
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Object result = null;
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// 开始前回调
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if (aspect.before(target, method, args)) {
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if (aspect.before(target, method, args)) {
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try {
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try {
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// result = ReflectUtil.invoke(target, method, args);
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result = proxy.invokeSuper(obj, args);
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result = proxy.invokeSuper(obj, args);
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} catch (UtilException e) {
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} catch (InvocationTargetException e) {
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final Throwable cause = e.getCause();
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// 异常回调(只捕获业务代码导致的异常,而非反射导致的异常)
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if (!(e.getCause() instanceof InvocationTargetException)) {
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if (aspect.afterException(target, method, args, e.getTargetException())) {
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// 其它异常属于代理的异常,直接抛出
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throw e;
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throw e;
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}
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}
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if(aspect.afterException(target, method, args, ((InvocationTargetException) cause).getTargetException())){
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}
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throw e;
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}
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}
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}
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// 结束执行回调
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}
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if (aspect.after(target, method, args, result)) {
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if (aspect.after(target, method, args, result)) {
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return result;
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return result;
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}
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}
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@ -7,6 +7,7 @@ import java.lang.reflect.Method;
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import cn.hutool.aop.aspects.Aspect;
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import cn.hutool.aop.aspects.Aspect;
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import cn.hutool.core.exceptions.UtilException;
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import cn.hutool.core.exceptions.UtilException;
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import cn.hutool.core.util.ClassUtil;
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import cn.hutool.core.util.ReflectUtil;
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import cn.hutool.core.util.ReflectUtil;
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/**
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/**
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@ -14,9 +15,8 @@ import cn.hutool.core.util.ReflectUtil;
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*
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*
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* @author Looly
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* @author Looly
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* @author ted.L
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* @author ted.L
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*
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*/
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*/
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public class JdkInterceptor implements InvocationHandler, Serializable{
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public class JdkInterceptor implements InvocationHandler, Serializable {
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private static final long serialVersionUID = 1L;
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private static final long serialVersionUID = 1L;
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private Object target;
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private Object target;
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@ -42,20 +42,22 @@ public class JdkInterceptor implements InvocationHandler, Serializable{
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final Object target = this.target;
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final Object target = this.target;
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final Aspect aspect = this.aspect;
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final Aspect aspect = this.aspect;
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Object result = null;
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Object result = null;
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// 开始前回调
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if (aspect.before(target, method, args)) {
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if (aspect.before(target, method, args)) {
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ReflectUtil.setAccessible(method);
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try {
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try {
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result = ReflectUtil.invoke(target, method, args);
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result = method.invoke(ClassUtil.isStatic(method) ? null : target, args);
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} catch (UtilException e) {
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} catch (InvocationTargetException e) {
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final Throwable cause = e.getCause();
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// 异常回调(只捕获业务代码导致的异常,而非反射导致的异常)
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if (!(e.getCause() instanceof InvocationTargetException)) {
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if (aspect.afterException(target, method, args, e.getTargetException())) {
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// 其它异常属于代理的异常,直接抛出
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throw e;
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}
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if(aspect.afterException(target, method, args, ((InvocationTargetException) cause).getTargetException())){
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throw e;
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throw e;
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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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// 结束执行回调
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if (aspect.after(target, method, args, result)) {
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if (aspect.after(target, method, args, result)) {
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return result;
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return result;
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}
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}
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@ -8,14 +8,16 @@ import cn.hutool.aop.interceptor.JdkInterceptor;
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* JDK实现的切面代理
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* JDK实现的切面代理
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*
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*
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* @author looly
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* @author looly
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*
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*/
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*/
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public class JdkProxyFactory extends ProxyFactory{
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public class JdkProxyFactory extends ProxyFactory {
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private static final long serialVersionUID = 1L;
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private static final long serialVersionUID = 1L;
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@Override
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@Override
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@SuppressWarnings("unchecked")
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@SuppressWarnings("unchecked")
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public <T> T proxy(T target, Aspect aspect) {
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public <T> T proxy(T target, Aspect aspect) {
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return (T) ProxyUtil.newProxyInstance(target.getClass().getClassLoader(), new JdkInterceptor(target, aspect), target.getClass().getInterfaces());
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return (T) ProxyUtil.newProxyInstance(//
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target.getClass().getClassLoader(), //
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new JdkInterceptor(target, aspect), //
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target.getClass().getInterfaces());
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}
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}
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}
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}
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@ -1,5 +1,6 @@
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package cn.hutool.aop.test;
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package cn.hutool.aop.test;
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import cn.hutool.core.lang.Console;
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import org.junit.Assert;
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import org.junit.Assert;
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import org.junit.Test;
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import org.junit.Test;
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@ -10,7 +11,6 @@ import cn.hutool.aop.aspects.TimeIntervalAspect;
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* AOP模块单元测试
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* AOP模块单元测试
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*
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*
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* @author Looly
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* @author Looly
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*
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*/
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*/
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public class AopTest {
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public class AopTest {
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@ -40,7 +40,6 @@ public class AopTest {
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* 有接口
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* 有接口
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*
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*
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* @author looly
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* @author looly
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*
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*/
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*/
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static class Cat implements Animal {
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static class Cat implements Animal {
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@ -51,7 +50,7 @@ public class AopTest {
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@Override
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@Override
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public void seize() {
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public void seize() {
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System.out.println("抓了条鱼");
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Console.log("抓了条鱼");
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}
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}
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}
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}
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@ -59,7 +58,6 @@ public class AopTest {
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* 无接口
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* 无接口
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*
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*
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* @author looly
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* @author looly
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*
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*/
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*/
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static class Dog {
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static class Dog {
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public String eat() {
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public String eat() {
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@ -67,7 +65,7 @@ public class AopTest {
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}
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}
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public void seize() {
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public void seize() {
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System.out.println("抓了只鸡");
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Console.log("抓了只鸡");
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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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@ -1,13 +1,5 @@
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package cn.hutool.core.util;
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package cn.hutool.core.util;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import cn.hutool.core.collection.CollectionUtil;
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import cn.hutool.core.collection.CollectionUtil;
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import cn.hutool.core.convert.Convert;
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import cn.hutool.core.convert.Convert;
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import cn.hutool.core.exceptions.UtilException;
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import cn.hutool.core.exceptions.UtilException;
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@ -15,6 +7,15 @@ import cn.hutool.core.lang.Assert;
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import cn.hutool.core.lang.Filter;
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import cn.hutool.core.lang.Filter;
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import cn.hutool.core.lang.SimpleCache;
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import cn.hutool.core.lang.SimpleCache;
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import java.lang.reflect.AccessibleObject;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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/**
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/**
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* 反射工具类
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* 反射工具类
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*
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*
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@ -23,14 +24,21 @@ import cn.hutool.core.lang.SimpleCache;
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*/
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*/
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public class ReflectUtil {
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public class ReflectUtil {
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/** 构造对象缓存 */
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/**
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* 构造对象缓存
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*/
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private static final SimpleCache<Class<?>, Constructor<?>[]> CONSTRUCTORS_CACHE = new SimpleCache<>();
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private static final SimpleCache<Class<?>, Constructor<?>[]> CONSTRUCTORS_CACHE = new SimpleCache<>();
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/** 字段缓存 */
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/**
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* 字段缓存
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*/
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private static final SimpleCache<Class<?>, Field[]> FIELDS_CACHE = new SimpleCache<>();
|
private static final SimpleCache<Class<?>, Field[]> FIELDS_CACHE = new SimpleCache<>();
|
||||||
/** 方法缓存 */
|
/**
|
||||||
|
* 方法缓存
|
||||||
|
*/
|
||||||
private static final SimpleCache<Class<?>, Method[]> METHODS_CACHE = new SimpleCache<>();
|
private static final SimpleCache<Class<?>, Method[]> METHODS_CACHE = new SimpleCache<>();
|
||||||
|
|
||||||
// --------------------------------------------------------------------------------------------------------- Constructor
|
// --------------------------------------------------------------------------------------------------------- Constructor
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* 查找类中的指定参数的构造方法,如果找到构造方法,会自动设置可访问为true
|
* 查找类中的指定参数的构造方法,如果找到构造方法,会自动设置可访问为true
|
||||||
*
|
*
|
||||||
@ -51,7 +59,7 @@ public class ReflectUtil {
|
|||||||
pts = constructor.getParameterTypes();
|
pts = constructor.getParameterTypes();
|
||||||
if (ClassUtil.isAllAssignableFrom(pts, parameterTypes)) {
|
if (ClassUtil.isAllAssignableFrom(pts, parameterTypes)) {
|
||||||
// 构造可访问
|
// 构造可访问
|
||||||
constructor.setAccessible(true);
|
setAccessible(constructor);
|
||||||
return (Constructor<T>) constructor;
|
return (Constructor<T>) constructor;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
@ -91,6 +99,7 @@ public class ReflectUtil {
|
|||||||
}
|
}
|
||||||
|
|
||||||
// --------------------------------------------------------------------------------------------------------- Field
|
// --------------------------------------------------------------------------------------------------------- Field
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* 查找指定类中是否包含指定名称对应的字段,包括所有字段(包括非public字段),也包括父类和Object类的字段
|
* 查找指定类中是否包含指定名称对应的字段,包括所有字段(包括非public字段),也包括父类和Object类的字段
|
||||||
*
|
*
|
||||||
@ -195,8 +204,8 @@ public class ReflectUtil {
|
|||||||
if (null == obj || null == field) {
|
if (null == obj || null == field) {
|
||||||
return null;
|
return null;
|
||||||
}
|
}
|
||||||
field.setAccessible(true);
|
setAccessible(field);
|
||||||
Object result = null;
|
Object result;
|
||||||
try {
|
try {
|
||||||
result = field.get(obj);
|
result = field.get(obj);
|
||||||
} catch (IllegalAccessException e) {
|
} catch (IllegalAccessException e) {
|
||||||
@ -207,6 +216,7 @@ public class ReflectUtil {
|
|||||||
|
|
||||||
/**
|
/**
|
||||||
* 获取所有字段的值
|
* 获取所有字段的值
|
||||||
|
*
|
||||||
* @param obj bean对象
|
* @param obj bean对象
|
||||||
* @return 字段值数组
|
* @return 字段值数组
|
||||||
* @since 4.1.17
|
* @since 4.1.17
|
||||||
@ -253,14 +263,15 @@ public class ReflectUtil {
|
|||||||
public static void setFieldValue(Object obj, Field field, Object value) throws UtilException {
|
public static void setFieldValue(Object obj, Field field, Object value) throws UtilException {
|
||||||
Assert.notNull(obj);
|
Assert.notNull(obj);
|
||||||
Assert.notNull(field, "Field in [{}] not exist !", obj.getClass().getName());
|
Assert.notNull(field, "Field in [{}] not exist !", obj.getClass().getName());
|
||||||
field.setAccessible(true);
|
|
||||||
|
|
||||||
if(null != value) {
|
setAccessible(field);
|
||||||
|
|
||||||
|
if (null != value) {
|
||||||
Class<?> fieldType = field.getType();
|
Class<?> fieldType = field.getType();
|
||||||
if(false == fieldType.isAssignableFrom(value.getClass())) {
|
if (false == fieldType.isAssignableFrom(value.getClass())) {
|
||||||
//对于类型不同的字段,尝试转换,转换失败则使用原对象类型
|
//对于类型不同的字段,尝试转换,转换失败则使用原对象类型
|
||||||
final Object targetValue = Convert.convert(fieldType, value);
|
final Object targetValue = Convert.convert(fieldType, value);
|
||||||
if(null != targetValue) {
|
if (null != targetValue) {
|
||||||
value = targetValue;
|
value = targetValue;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
@ -274,6 +285,7 @@ public class ReflectUtil {
|
|||||||
}
|
}
|
||||||
|
|
||||||
// --------------------------------------------------------------------------------------------------------- method
|
// --------------------------------------------------------------------------------------------------------- method
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* 获得指定类本类及其父类中的Public方法名<br>
|
* 获得指定类本类及其父类中的Public方法名<br>
|
||||||
* 去重重载的方法
|
* 去重重载的方法
|
||||||
@ -282,9 +294,9 @@ public class ReflectUtil {
|
|||||||
* @return 方法名Set
|
* @return 方法名Set
|
||||||
*/
|
*/
|
||||||
public static Set<String> getPublicMethodNames(Class<?> clazz) {
|
public static Set<String> getPublicMethodNames(Class<?> clazz) {
|
||||||
final HashSet<String> methodSet = new HashSet<String>();
|
final HashSet<String> methodSet = new HashSet<>();
|
||||||
final Method[] methodArray = getPublicMethods(clazz);
|
final Method[] methodArray = getPublicMethods(clazz);
|
||||||
if(ArrayUtil.isNotEmpty(methodArray)) {
|
if (ArrayUtil.isNotEmpty(methodArray)) {
|
||||||
for (Method method : methodArray) {
|
for (Method method : methodArray) {
|
||||||
methodSet.add(method.getName());
|
methodSet.add(method.getName());
|
||||||
}
|
}
|
||||||
@ -541,7 +553,7 @@ public class ReflectUtil {
|
|||||||
* @throws SecurityException 安全异常
|
* @throws SecurityException 安全异常
|
||||||
*/
|
*/
|
||||||
public static Set<String> getMethodNames(Class<?> clazz) throws SecurityException {
|
public static Set<String> getMethodNames(Class<?> clazz) throws SecurityException {
|
||||||
final HashSet<String> methodSet = new HashSet<String>();
|
final HashSet<String> methodSet = new HashSet<>();
|
||||||
final Method[] methods = getMethods(clazz);
|
final Method[] methods = getMethods(clazz);
|
||||||
for (Method method : methods) {
|
for (Method method : methods) {
|
||||||
methodSet.add(method.getName());
|
methodSet.add(method.getName());
|
||||||
@ -643,6 +655,7 @@ public class ReflectUtil {
|
|||||||
}
|
}
|
||||||
|
|
||||||
// --------------------------------------------------------------------------------------------------------- newInstance
|
// --------------------------------------------------------------------------------------------------------- newInstance
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* 实例化对象
|
* 实例化对象
|
||||||
*
|
*
|
||||||
@ -682,7 +695,7 @@ public class ReflectUtil {
|
|||||||
final Class<?>[] paramTypes = ClassUtil.getClasses(params);
|
final Class<?>[] paramTypes = ClassUtil.getClasses(params);
|
||||||
final Constructor<T> constructor = getConstructor(clazz, paramTypes);
|
final Constructor<T> constructor = getConstructor(clazz, paramTypes);
|
||||||
if (null == constructor) {
|
if (null == constructor) {
|
||||||
throw new UtilException("No Constructor matched for parameter types: [{}]", new Object[] { paramTypes });
|
throw new UtilException("No Constructor matched for parameter types: [{}]", new Object[]{paramTypes});
|
||||||
}
|
}
|
||||||
try {
|
try {
|
||||||
return constructor.newInstance(params);
|
return constructor.newInstance(params);
|
||||||
@ -714,18 +727,18 @@ public class ReflectUtil {
|
|||||||
if (0 == parameterTypes.length) {
|
if (0 == parameterTypes.length) {
|
||||||
continue;
|
continue;
|
||||||
}
|
}
|
||||||
constructor.setAccessible(true);
|
setAccessible(constructor);
|
||||||
try {
|
try {
|
||||||
return constructor.newInstance(ClassUtil.getDefaultValues(parameterTypes));
|
return constructor.newInstance(ClassUtil.getDefaultValues(parameterTypes));
|
||||||
} catch (Exception e) {
|
} catch (Exception ignore) {
|
||||||
// 构造出错时继续尝试下一种构造方式
|
// 构造出错时继续尝试下一种构造方式
|
||||||
continue;
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
return null;
|
return null;
|
||||||
}
|
}
|
||||||
|
|
||||||
// --------------------------------------------------------------------------------------------------------- invoke
|
// --------------------------------------------------------------------------------------------------------- invoke
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* 执行静态方法
|
* 执行静态方法
|
||||||
*
|
*
|
||||||
@ -784,9 +797,7 @@ public class ReflectUtil {
|
|||||||
*/
|
*/
|
||||||
@SuppressWarnings("unchecked")
|
@SuppressWarnings("unchecked")
|
||||||
public static <T> T invoke(Object obj, Method method, Object... args) throws UtilException {
|
public static <T> T invoke(Object obj, Method method, Object... args) throws UtilException {
|
||||||
if (false == method.isAccessible()) {
|
setAccessible(method);
|
||||||
method.setAccessible(true);
|
|
||||||
}
|
|
||||||
|
|
||||||
try {
|
try {
|
||||||
return (T) method.invoke(ClassUtil.isStatic(method) ? null : obj, args);
|
return (T) method.invoke(ClassUtil.isStatic(method) ? null : obj, args);
|
||||||
@ -813,4 +824,18 @@ public class ReflectUtil {
|
|||||||
}
|
}
|
||||||
return invoke(obj, method, args);
|
return invoke(obj, method, args);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* 设置方法为可访问(私有方法可以被外部调用)
|
||||||
|
*
|
||||||
|
* @param <T> AccessibleObject的子类,比如Class、Method、Field等
|
||||||
|
* @param accessibleObject 可设置访问权限的对象,比如Class、Method、Field等
|
||||||
|
* @since 4.6.8
|
||||||
|
*/
|
||||||
|
public static <T extends AccessibleObject> T setAccessible(T accessibleObject) {
|
||||||
|
if (null != accessibleObject && false == accessibleObject.isAccessible()) {
|
||||||
|
accessibleObject.setAccessible(true);
|
||||||
|
}
|
||||||
|
return accessibleObject;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
Loading…
x
Reference in New Issue
Block a user