UtilLog.java
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package com.taover.util;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class UtilLog {
private static Map<String, Log> logByClassName = new HashMap<String, Log>();
/**
* 输出日志文本
* @param message
* @param infoClass
*/
public static void infoForMessage(String message, Class infoClass){
String className = infoClass.getName();
Log log = logByClassName.get(infoClass.getName());
if(log == null){
log = LogFactory.getLog(infoClass);
if(log == null){
return;
}
logByClassName.put(className, log);
}
log.info(message);
}
/**
* 输出日志Exception内容
* @param e
* @param infoClass
*/
public static String infoForException(Exception e, Class infoClass){
StringWriter sw = new StringWriter();
e.printStackTrace(new PrintWriter(sw));
UtilLog.infoForMessage(sw.toString(), infoClass);
return sw.toString();
}
/**
* 输出文本内容
* @param message
* @param infoClass
*/
public static void errorForMessage(String message, Class infoClass){
String className = infoClass.getName();
Log log = logByClassName.get(infoClass.getName());
if(log == null){
log = LogFactory.getLog(infoClass);
if(log == null){
return;
}
logByClassName.put(className, log);
}
log.error(message);
}
/**
* 输出日志Exception信息
* @param e
* @param infoClass
*/
public static String errorForException(Exception e, Class infoClass){
StringWriter sw = new StringWriter();
e.printStackTrace(new PrintWriter(sw));
UtilLog.errorForMessage(sw.toString(), infoClass);
return sw.toString();
}
}