Java：使用Java开发的一个异常处理框架

 1 package com.happyframework.exception.handling;
 2 
 3 import org.springframework.stereotype.Controller;
 4 
 5 import com.happyframework.exception.handling.springframework.HandleException;
 6 
 7 @Controller
 8 public class TestController {
 9 
10     @HandleException("UI")
11     public void test() {
12         throw new RuntimeException("业务失败");
13     }
14     
15 }

 1 xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4        xmlns:p="http://www.springframework.org/schema/p"
 5        xmlns:context="http://www.springframework.org/schema/context"
 6        xmlns:mvc="http://www.springframework.org/schema/mvc"
 7        xmlns:aop="http://www.springframework.org/schema/aop"
 8        xmlns:util="http://www.springframework.org/schema/util"
 9        xsi:schemaLocation="http://www.springframework.org/schema/beans 
10                            http://www.springframework.org/schema/beans/spring-beans.xsd
11                            http://www.springframework.org/schema/context 
12                            http://www.springframework.org/schema/context/spring-context.xsd
13                            http://www.springframework.org/schema/mvc
14                            http://www.springframework.org/schema/mvc/spring-mvc.xsd
15                            http://www.springframework.org/schema/aop
16                            http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
17                            http://www.springframework.org/schema/util
18                             http://www.springframework.org/schema/util/spring-util-3.0.xsd">
19 
20     <context:component-scan base-package="com.happyframework.exception.handling.springframework" />
21     <context:component-scan base-package="com.happyframework.exception.handling" />
22     
23     <aop:aspectj-autoproxy/>
24 
25      <bean class="com.happyframework.exception.handling.springframework.ExceptionHandlerDefination">
26         <property name="policy" value="UI"/>
27         <property name="handler">
28             <bean class="com.happyframework.exception.handling.ConsoleLoggingHandler"/>
29         property>
30     bean>
31      <bean class="com.happyframework.exception.handling.springframework.ExceptionHandlerDefination">
32         <property name="policy" value="UI"/>
33         <property name="handler">
34             <bean class="com.happyframework.exception.handling.ConsoleNotificationHandler"/>
35         property>
36     bean>
37 beans>
38          

1 记录日志：java.lang.RuntimeException: 业务失败
2 提示消息：java.lang.RuntimeException: 业务失败

 1 package com.happyframework.exception.handling;
 2 
 3 public interface ExceptionHandlerChain {
 4 
 5     Throwable getException();
 6 
 7     void setNewException(final Throwable newException);
 8 
 9     boolean isExceptionHandled();
10 
11     void setExceptionHandled(final boolean exceptionHandled);
12 
13     void proceed();
14 
15 }

1 package com.happyframework.exception.handling;
2 
3 public interface ExceptionHandler {
4 
5     void handle(final ExceptionHandlerChain chain);
6 
7 }

 1 package com.happyframework.exception.handling;
 2 
 3 final class ConsoleNotificationHandler implements ExceptionHandler {
 4 
 5     @Override
 6     public final void handle(final ExceptionHandlerChain chain) {
 7         System.out.println("提示消息：" + chain.getException());
 8 
 9         chain.setExceptionHandled(true);
10         chain.proceed();
11     }
12 
13 }