moconfig.java

一个SNMP4J开发的agent端程序

package com.poson.nmi.common;

import java.util.HashMap;
import java.util.Vector;

import org.apache.log4j.Logger;

import com.poson.common.DAOException;
import com.poson.common.DAOManager;
import com.poson.common.LogManager;
import com.poson.common.ReturnMsg;
import com.poson.common.XResultSet;
import com.poson.npi.interact.SendFactory;


public class MOConfig {

	public final static String NMI_MANAGER_IP = "NMI_MANAGER_IP" ;
	public final static String NMI_MANAGER_PORT= "NMI_MANAGER_PORT" ;
	public final static String NMI_AGENT_PORT = "NMI_AGENT_PORT" ;
	
	
	private static MOConfig instance;
	
	private static Logger logger = LogManager.getLogger(MOConfig.class) ;
	private static HashMap<String,String> confMap ;
	
	private MOConfig()	{
		
		try {
			
			StringBuffer strBufSql = new StringBuffer();
			Vector vecCond = new Vector() ;
			DAOManager daoMgr ;
			XResultSet xrtSet ;
			
			strBufSql.append("select PARAM_KEY,PARAM_VALUE FROM tb_im_config WHERE PARAM_SESSION = ? ");
			vecCond.add("NMI_CONFIG");

			daoMgr = new DAOManager();
			 
			ReturnMsg rtnMsg = daoMgr.DAOQuery(strBufSql.toString(), vecCond);
			if (rtnMsg.getReturnValue() < 0) {
				throw new DAOException(" 查询网管配置信息失败！:");
			}

			xrtSet = new XResultSet(rtnMsg.getXMLString());
			if (xrtSet.getRowCount() <= 0) {
				throw new Exception(" 没有网管配置记录!");
			}
			
			confMap = new HashMap<String,String>() ;
			
			for (int i = 1; i <= xrtSet.getRowCount(); i++) {
				
				confMap.put(xrtSet.getValue(i, "PARAM_KEY"), xrtSet.getValue(i, "PARAM_VALUE")) ;
			}
			
			daoMgr.DAOClose();
			
		} catch (DAOException e) {

			logger.error(e.getMessage());
		} catch (Exception e) {
			logger.error(e.getMessage());
		}
	}
	
	/**
	 * 
	 * @return
	 */
	public static MOConfig getInstance()
	{
		if(instance == null)
			instance = new MOConfig() ;
		return instance ;
	}
	/**
	 * 
	 * @param paramKey
	 * @return
	 */
	public String getValue(String paramKey)
	{
		return confMap.get(paramKey) ;
	}
}