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JDK 动态代理
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Lines changed: 323 additions & 126 deletions

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‎pom.xml‎

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<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
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<!-- 编译时的编码 -->
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<maven.compiler.encoding>UTF-8</maven.compiler.encoding>
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<dubbo.version>2.5.3</dubbo.version>
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<jdk.version>1.7</jdk.version>
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<spring.version>4.1.4.RELEASE</spring.version>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.8.2</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>log4j</groupId>
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<artifactId>log4j</artifactId>
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<version>1.2.17</version>
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</dependency>
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-lang3</artifactId>
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<version>3.4</version>
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</dependency>
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<dependency>
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<groupId>ch.qos.logback</groupId>
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<artifactId>logback-classic</artifactId>
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<version>1.0.13</version>
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</dependency>
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<dependency>
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<groupId>ch.qos.logback</groupId>
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<artifactId>logback-core</artifactId>
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<version>1.0.13</version>
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</dependency>
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-api</artifactId>
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<version>1.7.21</version>
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</dependency>
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<dependency>
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<groupId>com.alibaba</groupId>
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<artifactId>fastjson</artifactId>
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<version>1.1.40</version>
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</dependency>
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</dependencies>
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<build>

‎src/main/java/com/crossoverjie/proxy/CustomizeHandle.java‎

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package com.crossoverjie.proxy;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.lang.reflect.InvocationHandler;
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import java.lang.reflect.Method;
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/**
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* Function:
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*
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* @author crossoverJie
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* Date: 23/12/2017 22:27
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* @since JDK 1.8
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*/
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public class CustomizeHandle implements InvocationHandler {
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private final static Logger LOGGER = LoggerFactory.getLogger(CustomizeHandle.class);
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private Object target;
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public CustomizeHandle(Class clazz) {
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try {
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this.target = clazz.newInstance();
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} catch (InstantiationException e) {
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LOGGER.error("InstantiationException", e);
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} catch (IllegalAccessException e) {
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LOGGER.error("IllegalAccessException",e);
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}
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}
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@Override
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public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
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before();
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Object result = method.invoke(target, args);
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after();
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LOGGER.info("proxy class={}", proxy.getClass());
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return result;
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}
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private void before() {
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LOGGER.info("handle before");
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}
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private void after() {
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LOGGER.info("handle after");
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}
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}

‎src/main/java/com/crossoverjie/proxy/ISubject.java‎

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package com.crossoverjie.proxy;
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/**
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* Function:
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*
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* @author crossoverJie
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* Date: 23/12/2017 22:37
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* @since JDK 1.8
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*/
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public interface ISubject {
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/**
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* 执行
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*/
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void execute() ;
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}

‎src/main/java/com/crossoverjie/proxy/ListNode.java‎

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‎src/main/java/com/crossoverjie/proxy/impl/ISubjectImpl.java‎

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package com.crossoverjie.proxy.impl;
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import com.crossoverjie.proxy.ISubject;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* Function:
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*
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* @author crossoverJie
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* Date: 23/12/2017 22:43
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* @since JDK 1.8
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*/
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public class ISubjectImpl implements ISubject {
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private final static Logger LOGGER = LoggerFactory.getLogger(ISubjectImpl.class);
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/**
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* 执行
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*/
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@Override
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public void execute() {
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LOGGER.info("ISubjectImpl execute");
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}
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}

‎src/main/resources/logback.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<configuration>
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<property name="LOG_PATH" value="/logs/interview" />
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<property name="LOG_FILE_NAME" value="interview" />
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<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
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<encoder>
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<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
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</encoder>
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</appender>
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<appender name="LOGFILE-DEBUG" class="ch.qos.logback.core.rolling.RollingFileAppender">
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<filter class="ch.qos.logback.classic.filter.LevelFilter">
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<level>DEBUG</level>
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<onMatch>ACCEPT</onMatch>
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<onMismatch>DENY</onMismatch>
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</filter>
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<File>${LOG_PATH}/${LOG_FILE_NAME}-debug.log</File>
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<rollingPolicy
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class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
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<FileNamePattern>${LOG_PATH}/${LOG_FILE_NAME}_debug_%d{yyyy-MM-dd}.log.%d{yyyy-MM-dd}</FileNamePattern>
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</rollingPolicy>
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<encoder>
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<pattern>[%date{yyyy-MM-dd HH:mm:ss.SSS}] [%thread] %p %C %t, - %msg%n</pattern>
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<charset>UTF-8</charset>
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</encoder>
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</appender>
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<appender name="LOGFILE-INFO" class="ch.qos.logback.core.rolling.RollingFileAppender">
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<filter class="ch.qos.logback.classic.filter.LevelFilter">
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<level>INFO</level>
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<onMatch>ACCEPT</onMatch>
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<onMismatch>DENY</onMismatch>
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</filter>
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<File>${LOG_PATH}/${LOG_FILE_NAME}-info.log</File>
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<rollingPolicy
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class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
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<FileNamePattern>${LOG_PATH}/${LOG_FILE_NAME}_info_%d{yyyy-MM-dd}.log.%d{yyyy-MM-dd}</FileNamePattern>
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</rollingPolicy>
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<encoder>
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<pattern>[%date{yyyy-MM-dd HH:mm:ss.SSS}] [%thread] %p %C %t, - %msg%n</pattern>
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<charset>UTF-8</charset>
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</encoder>
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</appender>
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<appender name="LOGFILE-ERROR" class="ch.qos.logback.core.rolling.RollingFileAppender">
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<filter class="ch.qos.logback.classic.filter.LevelFilter">
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<level>ERROR</level>
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<onMatch>ACCEPT</onMatch>
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<onMismatch>DENY</onMismatch>
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</filter>
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<File>${LOG_PATH}/${LOG_FILE_NAME}-error.log</File>
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<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
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<FileNamePattern>${LOG_PATH}/${LOG_FILE_NAME}_error_%d{yyyy-MM-dd}.%d{yyyy-MM-dd}</FileNamePattern>
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</rollingPolicy>
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<encoder>
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<pattern>[%date{yyyy-MM-dd HH:mm:ss.SSS}] [%thread] %p %C %t, - %msg%n</pattern>
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<charset>UTF-8</charset> <!-- 此处设置字符集 -->
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</encoder>
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<!--<layout class="ch.qos.logback.classic.PatternLayout">
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<pattern>[%date{yyyy-MM-dd HH:mm:ss.SSS}] [%thread] %p %C %t, - %msg%n</pattern>
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</layout>-->
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</appender>
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<logger name="com.crossoverjie">
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<level value="INFO" />
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<appender-ref ref="LOGFILE-INFO"/>
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</logger>
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<root level="INFO">
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<appender-ref ref="LOGFILE-DEBUG" />
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<appender-ref ref="LOGFILE-INFO" />
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<appender-ref ref="LOGFILE-ERROR" />
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<appender-ref ref="CONSOLE" />
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<appender-ref ref="LOGFILE-COMMON" />
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</root>
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</configuration>

‎src/test/java/com/crossoverjie/proxy/MergeTwoSortedListsTest.java‎

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‎src/test/java/com/crossoverjie/proxy/ProxyTest.java‎

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package com.crossoverjie.proxy;
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import com.crossoverjie.proxy.impl.ISubjectImpl;
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import org.junit.Test;
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import java.lang.reflect.Proxy;
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/**
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* Function:
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*
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* @author crossoverJie
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* Date: 23/12/2017 22:40
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* @since JDK 1.8
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*/
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public class ProxyTest {
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@Test
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public void test(){
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CustomizeHandle handle = new CustomizeHandle(ISubjectImpl.class) ;
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ISubject subject = (ISubject) Proxy.newProxyInstance(ProxyTest.class.getClassLoader(), new Class[]{ISubject.class}, handle);
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subject.execute() ;
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}
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}

‎target/classes/com/crossoverjie/proxy/CustomizeHandle.class‎

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‎target/classes/com/crossoverjie/proxy/ISubject.class‎

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