SpringMVC HandlerInterceptorAdapter

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">

<display-name></display-name>

<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-*.xml</param-value>
</context-param>

<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>

<filter>
<filter-name>CharacterEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>

<filter-mapping>
<filter-name>CharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

<session-config>
<session-timeout>240</session-timeout>
</session-config>

<servlet>
<servlet-name>spring</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-*.xml</param-value>
</init-param>
</servlet>

<servlet-mapping>
<servlet-name>spring</servlet-name>
<url-pattern>/mgr/*</url-pattern>
</servlet-mapping>

<welcome-file-list>
<welcome-file>login.html</welcome-file>
</welcome-file-list>

</web-app>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd ">

<mvc:annotation-driven/>

<context:component-scan base-package="com.empl.mgr"/>

<context:property-placeholder location="classpath:config.properties"/>

<context:component-scan base-package="org.springframework.web.fileupload"/>

<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="maxUploadSize" value="100000"/>
</bean>

<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driver}"></property>
<property name="jdbcUrl" value="${jdbc.url}"></property>
<property name="user" value="${jdbc.username}"></property>
<property name="password" value="${jdbc.password}"></property>
<property name="initialPoolSize" value="${jdbc.initialPoolSize}"></property>
<property name="maxPoolSize" value="${jdbc.maxPoolSize}"></property>
<property name="minPoolSize" value="${jdbc.minPoolSize}"></property>
<property name="maxStatements" value="${jdbc.maxStatements}"></property>
<property name="maxStatementsPerConnection" value="${jdbc.maxStatementsPerConnection}"></property>
<property name="acquireIncrement" value="${jdbc.acquireIncrement}"></property>
<property name="acquireRetryAttempts" value="${jdbc.acquireRetryAttempts}"></property>
<property name="autoCommitOnClose" value="${jdbc.autoCommitOnClose}"></property>
<property name="acquireRetryDelay" value="${jdbc.acquireRetryDelay}"></property>
<property name="maxIdleTimeExcessConnections" value="${jdbc.maxIdleTimeExcessConnections}"></property>
<property name="maxIdleTime" value="${jdbc.maxIdleTime}"></property>
<property name="idleConnectionTestPeriod" value="${jdbc.idleConnectionTestPeriod}"></property>
<property name="breakAfterAcquireFailure" value="${jdbc.breakAfterAcquireFailure}"></property>
</bean>

<!-- 配置sessionFactory -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">${hibernate.dialect}</prop>
<prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
<prop key="hibernate.format_sql">${hibernate.format_sql}</prop>
<prop key="hibernate.hbm2ddl">${hibernate.hbm2ddl}</prop>
</props>
</property>
<property name="packagesToScan" value="com.empl.mgr.model"></property>
</bean>

<bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="nestedTransactionAllowed" value="true"></property>
<property name="sessionFactory" ref="sessionFactory"/>
</bean>

<tx:annotation-driven transaction-manager="txManager"/>

<mvc:interceptors>
<bean class="com.empl.mgr.intercept.SecureValidInterceptor"></bean>
</mvc:interceptors>

</beans>

package com.empl.mgr.intercept;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sf.json.JSONObject;

import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import com.empl.mgr.annotation.SecureValid;
import com.empl.mgr.constant.LoginState;
import com.empl.mgr.constant.SessionKey;
import com.empl.mgr.model.TeAccount;
import com.empl.mgr.service.AccountService;
import com.empl.mgr.service.ModuleService;
import com.empl.mgr.support.JSONReturn;
import com.empl.mgr.utils.CompareUtil;

public class SecureValidInterceptor extends HandlerInterceptorAdapter
{

@Autowired
private ModuleService moduleService;

@Autowired
private AccountService accountService;

/**
*
* @param request
* @param response
* @param handle
*/
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handle) throws Exception
{
// 为了模仿实际网络中请求的速度, 这里让每一个请求的线程都睡眠50毫秒, 项目真正上线需删除
//		Thread.sleep(50);

if (request.getRequestURI().contains("mgr/0"))
{
return true;
}

//从session中获取属性为acctName的值，这里指登录用户名
String userName = (String) request.getSession().getAttribute(SessionKey.MODULEACCTNAME);

if (StringUtils.isEmpty(userName))
{
response.getOutputStream().print(JSONObject.fromObject(JSONReturn.buildFailure(LoginState.UNLOGIN)).toString());
return false;
}

HandlerMethod handlerMethod = (HandlerMethod) handle;
SecureValid secureValid = handlerMethod.getMethod().getAnnotation(SecureValid.class);//注解类

if (CompareUtil.isEmpty(secureValid))
{
return true;
}

// 从数据库中获取当前账户是否存在, 如果不存在, 提示未登录
TeAccount teAccount = accountService.findAccountByName(userName);
if (CompareUtil.isEmpty(teAccount))
{
response.getOutputStream().print(JSONObject.fromObject(JSONReturn.buildFailure(LoginState.UNLOGIN)).toString());
return false;
}

// 如果是超管, 直接通过拦截器
if (teAccount.getAcctSuper())
{
return true;
}

// 没有权限
if (!moduleService.secureValid(userName, secureValid.code(), secureValid.type()))
{
response.getOutputStream().print(JSONObject.fromObject(JSONReturn.buildFailure(LoginState.PERMISSION_DENIED)).toString());
return false;
}

// 通过
return true;
}

/**
*
*/
public void postHandle(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse, Object obj, ModelAndView modelandview) throws Exception
{

}

public void afterCompletion(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse, Object obj, Exception exception) throws Exception
{

}

public void afterConcurrentHandlingStarted(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse, Object obj) throws Exception
{

}
}

/*jadclipse*/// Decompiled by Jad v1.5.8g. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://www.kpdus.com/jad.html // Decompiler options: packimports(3) radix(10) lradix(10)
// Source File Name:   HandlerInterceptorAdapter.java

package org.springframework.web.servlet.handler;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.AsyncHandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

public abstract class HandlerInterceptorAdapter
implements AsyncHandlerInterceptor
{

public HandlerInterceptorAdapter()
{
}

public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
throws Exception
{
return true;
}

public void postHandle(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse, Object obj, ModelAndView modelandview)
throws Exception
{
}

public void afterCompletion(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse, Object obj, Exception exception)
throws Exception
{
}

public void afterConcurrentHandlingStarted(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse, Object obj)
throws Exception
{
}
}

/*
DECOMPILATION REPORT

Decompiled from: E:\PRJ_J2EE\HRMS\WebContent\WEB-INF\lib\spring-webmvc-3.2.5.RELEASE.jar
Total time: 94 ms
Jad reported messages/errors:
Exit status: 0
Caught exceptions:
*/

/*jadclipse*/// Decompiled by Jad v1.5.8g. Copyright 2001 Pavel Kouznetsov.

package org.springframework.web.servlet;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

// Referenced classes of package org.springframework.web.servlet:
//            HandlerInterceptor

public interface AsyncHandlerInterceptor
extends HandlerInterceptor
{

public abstract void afterConcurrentHandlingStarted(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse, Object obj)
throws Exception;
}

/*
DECOMPILATION REPORT

Decompiled from: E:\PRJ_J2EE\HRMS\WebContent\WEB-INF\lib\spring-webmvc-3.2.5.RELEASE.jar
Total time: 45 ms
Jad reported messages/errors:
Exit status: 0
Caught exceptions:
*/

/*jadclipse*/// Decompiled by Jad v1.5.8g. Copyright 2001 Pavel Kouznetsov.

package org.springframework.web.servlet;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

// Referenced classes of package org.springframework.web.servlet:
//            ModelAndView

public interface HandlerInterceptor
{

public abstract boolean preHandle(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse, Object obj)
throws Exception;

public abstract void postHandle(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse, Object obj, ModelAndView modelandview)
throws Exception;

public abstract void afterCompletion(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse, Object obj, Exception exception)
throws Exception;
}

/*
DECOMPILATION REPORT

Decompiled from: E:\PRJ_J2EE\HRMS\WebContent\WEB-INF\lib\spring-webmvc-3.2.5.RELEASE.jar
Total time: 19 ms
Jad reported messages/errors:
Exit status: 0
Caught exceptions:
*/