loglevel.java

一个实用工具类

/*
 * Copyright (C) butor.com. All rights reserved.
 *
 * This software is published under the terms of the GNU Library General
 * Public License (GNU LGPL), a copy of which has been included with this
 * distribution in the LICENSE.txt file. 
 */


package org.butor.log.service;

import org.butor.bls.BeanServiceUtil;
import org.butor.bls.IOutputResponse;
import org.butor.bls.IRequest;
import org.butor.bls.Service;
import org.butor.bls.ServiceException;
import org.butor.dataStruct.Message;
import org.butor.log.Log;
import org.butor.log.service.bean.LogLevelParam;

/**
 * change log level for a class or package.
 * 
 * @author sawanai
 * Jul 5, 2004
 */
public class LogLevel extends Service {

	/**
	 * 
	 */
	public LogLevel(String appName) {
		super(LogLevelParam.RPC_NAME +"-" +appName.toLowerCase());
	}
	
	public Class getServiceParamBeanClass() {
		return LogLevelParam.class;
	}
	
	public String getDescription() {
		return "Log level modifier.";
	}
	
	public IOutputResponse execute(IRequest request) throws ServiceException {
		IOutputResponse response = request.createResponse();
		
		LogLevelParam params = new LogLevelParam();
		BeanServiceUtil.populateParamBean(params,request);

		int stat = 0;
		String msg = null;
		
		// -------------------
		String className = params.getClassName(); 
		String levelName =  params.getLevelName();
		int logLevel = Log.getLogLevel(levelName);
		if (!Log.isLogLevelValid(logLevel)) {
			stat = 1000;
			msg = "Log level not valid! level=[" +levelName+"]"; 
			Log.logStr(this, Log.LOG_TYPE_ERROR, "execute()", msg);
			response.addMessage(new Message(stat, Message.ERROR, msg));
			response.endResponse(stat);
			return response;
		}
		
		stat = 0;
		Log.setLogLevel(className, levelName);
		msg = "Log level set to class=[" +className +"], level=[" +levelName +"]."; 
		Log.logStr(this, Log.LOG_TYPE_INFO, "execute()", msg);
		response.addMessage(new Message(stat, Message.INFO, msg));
		response.endResponse(stat);
		return response;
	}
}