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使用XML实现多渠道接入网站的构架 |
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来源:互联网 作者:未知 发布时间:2007-12-21 |
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其余XML则可按这样的规则来定制 www.phperz.com
五.技术实现 www~phperz~com
www.phperz.com
RouterFactory
以下为引用的内容: package com.web.router; import com.web.platform.Exception.RouterException; import java.util.java/util/Hashtable.java.html" target="_blank">Hashtable; |
以下为引用的内容: /** * Router产生和清除的类 */ public class RouterFactory { /** * Router存储的树front phperz~com */ private static java/util/Hashtable.java.html" target="_blank">Hashtable QueuePairFront = null; /** * Router存储的树back */ private static java/util/Hashtable.java.html" target="_blank">Hashtable QueuePairBack = null; /** * Router存储的树 */ private static java/util/Hashtable.java.html" target="_blank">Hashtable QueueRouter = null;
/** * 返回的XMLRouter */ public static XMLRouter instance = null; /** * Router的定义 */ public static RouterDefine routerdefine = null; /** * Router的ID号 */ public static long routeIndex = 0; /** * @roseuid 3F169C21027C */ public RouterFactory() { } /** * 初始化Hashtable和Vector */ public static void initFactory() throws java/lang/Exception.java.html" target="_blank">Exception { QueuePairFront = new java/util/Hashtable.java.html" target="_blank">Hashtable(); php程序员站 QueuePairBack = new java/util/Hashtable.java.html" target="_blank">Hashtable(); QueueRouter = new java/util/Hashtable.java.html" target="_blank">Hashtable(); initRouteDefine(); } /** * 初始化Route的设置 * */ private static void initRouteDefine() throws java/lang/Exception.java.html" target="_blank">Exception { if( routerdefine == null ) routerdefine = new RouterDefine(); routerdefine.loadRouterDef(); } /** * 返回实例 * @return com.web.router.XMLRouter */ public static XMLRouter getInstance(long index) throws RouterException { return (XMLRouter)QueueRouter.get(new java/lang/Long.java.html" target="_blank">Long(index)); } phperz.com
/** * 产生一个XMLRouter的实例 * @return com.web.router.XMLRouter * @roseuid 3F1618A103BC */ public static XMLRouter popInstance() throws RouterException { routeIndex ++; instance = new XMLRouter(routeIndex); setDefine( instance ); QueueRouter.put(new java/lang/Long.java.html" target="_blank">Long(routeIndex), instance); return instance; } /** * 清空Hashtable,Vector等 * @roseuid 3F1618B203C1 */ private static void freeResource() throws java/lang/Exception.java.html" target="_blank">Exception { QueuePairFront.clear(); phperz.com
www.phperz.com
QueuePairBack.clear(); QueueRouter.clear(); QueuePairFront = QueuePairBack = QueueRouter = null; } /** * 清除实例 * @param instanceID * @throws Exception */ public static void removeInstance(XMLRouter instance) throws java/lang/Exception.java.html" target="_blank">Exception { instance.clear(); QueueRouter.remove( new java/lang/Long.java.html" target="_blank">Long(instance.getIndex() ) ) ; } /** * Method isNull. * @return boolean */ public static boolean isNull() { …… return false; } } phperz~com |
XMLRouter www~phperz~com
以下为引用的内容: package com.web.router; import com.web.platform.Exception.RouterException; import com.web.common.*; import java.util.*; import java.lang.reflect.java/lang/reflect/Method.java.html" target="_blank">Method; import java.lang.reflect.java/lang/reflect/Constructor.java.html" target="_blank">Constructor; /** * @author keli * @version 0.0.1 * 平台的关键,路由的类,每个Router将从RouterFactory里读取 * Router存储的树front,和back,routeIndex,目的是为了能在路由 * 之后可以清除申请的对象。 * Router可以实现同步和异步的功能. */ public class XMLRouter { /** * Router存储的树front www.phperz.com */ private static java/util/Hashtable.java.html" target="_blank">Hashtable QueuePairFront = null; /** * Router存储的树back */ private static java/util/Hashtable.java.html" target="_blank">Hashtable QueuePairBack = null;
php程序员站
/** * 本router的index号码 */ private long routeIndex = 0; /** * router的设置 */ private RouterDefine define = null; /** * 用于判断是路由的起回点 */ private java/lang/String.java.html" target="_blank">String action = ""; /** *此变量只是用于在routeto方法中申请新的class */ private java/lang/String.java.html" target="_blank">String classname = ""; /** */ public XMLRouter(long index) { routeIndex = index; } /** * 路由 * @throws Exception * @roseuid 3F1616BD0186 */ public void routing(Env env) throws RouterException, java/lang/Exception.java.html" target="_blank">Exception { /*如果为起点*/ if( action.equalsIgnoreCase( RouterConstant.CFG_FUNC_ROUTETO ) ) www.phperz.com
{ …… } /*如果为返回点*/ else if( action.equalsIgnoreCase( RouterConstant.CFG_FUNC_ROUTEBACK ) ) { …… } /*否则为错误*/ else throw new RouterException("Set Router action error."); } www.phperz.com
/** * 读取本Router的id号. * @return long */ public long getIndex() { return routeIndex; }
www.phperz.com
/** * 清除所有对象. * @throws RouterException */ public void clear() throws RouterException { QueuePairFront.remove(new java/lang/Long.java.html" target="_blank">Long(routeIndex)); QueuePairBack.remove(new java/lang/Long.java.html" target="_blank">Long(routeIndex)); /*系统回收*/ java/lang/System.java.html" target="_blank">System.runFinalization(); php程序员站
} www.phperz.com
/** * 设置本Router的设置. * @param def * @throws RouterException */ public void setDefine(RouterDefine def) throws RouterException { define = def; } /** * 设置action的值 * @param actionName * @throws RouterException */ public void setAction( java/lang/String.java.html" target="_blank">String actionName ) { action = actionName; } } www~phperz~com | php程序员站
Service类 phperz~com
以下为引用的内容: package com.web.common; import com.web.platform.Exception.RouterException; /** * Service的父类,abstract */ public abstract class RouteService { /** */ public RouteService() { } /** * routeTo方法,是交易的起点。 * @param env * @throws RouterException */ public abstract void routeto(Env env) throws RouterException; /** * routeBack,交易的结束点, * @param env * @throws RouterException */ public abstract void routeback(Env env) throws RouterException; /** * routeaccept方法,是交易的接收点,也是routeto的接收函数, www.phperz.com * routeaccept为被动交易对象的主要处理函数 * @param env * @throws RouterException */ public abstract void routeaccept(Env env) throws RouterException; /** * routing方法,是Service对外的接口函数 * @throws RouterException */ public abstract void routing() throws RouterException; | 接下来则需要实现所有的Services的类了,这里就不做介绍了. php程序员之家
六.说明 www~phperz~com
这个Router到目前为止只能实现同步的交易, 暂时不支持异步的交易,但是由于对Router使用了Composite的模式设计的,实现异步交易也是可以扩展的,这里不做详细分析. php程序员之家
这篇文章是我工作的一个总结,希望能对大家有所帮助.不足之处希望多多指教. php程序员之家
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