spring单例注入init

红太狼 2022-08-19 11:17 176阅读 0赞

Java类

import java.util.HashMap;
    import java.util.Map;
    import javax.jms.Message;
    import javax.jms.MessageListener;
    import javax.jms.TextMessage;
    import net.sf.json.JSONObject;
    import org.slf4j.MDC;
    import com.yk.platform.framework.message.MessageFactory;
    import com.yk.platform.logger.PLogger;
    
    
    public class LogMessageHandler implements MessageListener{
    
    	private final String USER_KEY = "userid"; 	//MDC的key值，用于生成不同的用户日志
    	private final String DepartName = "departName";	//MDC的Key值，部门文件夹下是分用户的日志文件
        private String topicId;	//从配置中读取，默认值为log
        private PLogger log;
        private String url;		//消息中间件url，从配置文件中注入
        
        
    	public PLogger getLog() {
    		return log;
    	}
    
    	public void setLog(PLogger log) {
    		this.log = log;
    	}
    	public void setTopicId(final String topicId){
    		this.topicId = topicId;
    	}
    
    	public void setUrl(final String url){
    		this.url = url;
    	}
    	/*
    	 * 在项目启动时，进行初始化。
    	 */
    	public void init(){
    		Map map = new HashMap();
    		map.put("url", url);
    		map.put("clientId", topicId);
    		map.put("destination", topicId);
    		map.put("topicId", topicId);
    		try {
    			//注册消息中间件监听
    			MessageFactory.registerMessageListener(map, this);
    			/*String string = flag?"打开监听成功!":"打开监听失败!";
    			System.out.println();*/
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    	}
    	
    	public LogMessageHandler() {
    	}
    	  
    	@Override
    	public void onMessage(Message message) {
    		try {
    			String content[] = null;
    			String logType = "";
    			/*
    			 * 接收来自消息中间件的日志信息
    			 */
    			if(message instanceof TextMessage){
    				TextMessage textMessage = (TextMessage)message;
    				JSONObject jso = JSONObject .fromObject(textMessage.getText());
    				//日志内容,格式：用户ID+用户所属组ID+日志类型+日志内容
    				String temp = (String)jso.get("content");
    				if(temp!=null){
    						content = ((String)temp).split(";");
    				}
    				if(content!=null&&content.length>3){
    					/*
    					 * MDC中put相关用户信息，用于生成按组织和用户生成客户端日志
    					 */
    					MDC.put(USER_KEY, "clientLog"+content[0]);
    					MDC.put(DepartName, "clientLog"+content[1]);
    					logType = content[2];
    					if(logType.equals("error")){
    						log.error(content[3]);
    					}else if(logType.equals("warn")){
    						log.warn(content[3]);
    					}else if(logType.equals("debug")){
    						log.debug(content[3]);
    					}else{
    						log.info(content[3]);
    					}
    				}
    			}
    		} catch (Exception e) {
    			e.printStackTrace();
    		}finally{
    			MDC.remove(USER_KEY);
    			MDC.remove(DepartName);
    		}
    	}
    	
    }

xml配置

<?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:aop="http://www.springframework.org/schema/aop"
    	xmlns:tx="http://www.springframework.org/schema/tx"
    	xmlns:jdbc="http://www.springframework.org/schema/jdbc"
    	xmlns:context="http://www.springframework.org/schema/context"
    	xsi:schemaLocation="   
         http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd   
         http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd   
         http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd   
         http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd   
         http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
         
    	<bean id = "log" class= "com.yk.platform.logger.impl.ServerPLoggerImpl" />
    
    	
    	<bean id="logMessagehandler" class="com.yk.platform.framework.message.handler.LogMessageHandler" scope="singleton"  init-method="init">
    		<property name="log" ref="log"></property>
    		<property name="topicId" value="log"></property>
    		<property name="url" value="tcp://localhost:61616"></property>
    	</bean>
    </beans>