PerfLoggerFactory.java

/*******************************************************************************
 * Copyright 2012 Pradeep Nambiar,  Pexus LLC
 * 
 * Source File: src/org/perf/log/logger/PerfLoggerFactory.java 
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package org.perf.log.logger;

import org.perf.log.properties.LoggerProperties;

public class PerfLoggerFactory {
	static PerfLogger ploggerInstance = null;
	public static PerfLogger getLogger() {
		if(ploggerInstance == null) {

			String errorMessagePrefix = "Exception initializing PerfLogger implementation class, using default:";
			String errorMessageSuffix = ":Using default implementation - org.perf.log.logger.PerfLoggerImpl";
			try {
				String loggerImplClass = LoggerProperties.getInstance().getPerfLoggerImplClass();
				ploggerInstance = (PerfLogger) Class.forName(loggerImplClass).newInstance();


			} catch (IllegalAccessException e) {
				System.out.println(errorMessagePrefix + "IllegalAccessException:"+ e.getMessage()+errorMessageSuffix);


			} catch (InstantiationException e) {
				System.out.println(errorMessagePrefix  + "InstantiationException:"+ e.getMessage()+errorMessageSuffix);

			} catch (ClassNotFoundException e) {
				System.out.println(errorMessagePrefix  + "ClassNotFoundException:"+ e.getMessage()+errorMessageSuffix);

			}
			if(ploggerInstance == null)
				ploggerInstance= new PerfLoggerImplStdOut();
			// set the flags
			ploggerInstance.setLogEnabled(LoggerProperties.getInstance().isPerfLoggerImplLogEnabled());

		}
		
		
		
		return ploggerInstance;
	}
}