Copy the code code as follows:
import org.apache.log4j.ConsoleAppender;
import org.apache.log4j.FileAppender;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.log4j.PatternLayout;
public class LoggerUtils {
/**
* Create Logger instance
*
* @paramclazz event log occurrence class
* @paramifConsole whether to output to the console
* @paramifFile whether to output to a file
* @paramlogFile log file address (use "/" to separate the path)
* @paramifLocate whether to locate the event log location (class. method line)
* @returnLogger
*/
public static Logger getLogger(Class<?> clazz, boolean ifConsole, boolean ifFile, String logFile, boolean ifLocate) {
if(ifConsole == false && ifFile == false) return null;
if(ifFile == true && logFile.trim().length() < 1) return null;
String conversionPattern;
if(ifLocate == true) {
// The log content format is as follows: 2014-03-11 01:34:45.572 [DEBUG] com.aliyun.qa.utils.LoggerUtilsTest.main(Line:15): Test DEBUG log
conversionPattern = "%d{yyyy-MM-dd HH:mm:ss.SSS} [%-5p] %c.%M(Line:%L): %m %n";
} else {
//The log content format is as follows: 2014-03-11 01:34:45.572 [DEBUG]: Test DEBUG log
conversionPattern = "%d{yyyy-MM-dd HH:mm:ss.SSS} [%-5p] : %m %n";
}
PatternLayout layout = new PatternLayout();
layout.setConversionPattern(conversionPattern);
Logger logger = Logger.getLogger(clazz);
logger.removeAllAppenders();
logger.setLevel(Level.DEBUG);
logger.setAdditivity(false);//Logger will not be output in the appender of the parent Logger, the default is true
if(ifConsole == true) {// Log output to console
ConsoleAppender consoleAppender = new ConsoleAppender();
consoleAppender.setLayout(layout);
consoleAppender.setThreshold(Level.INFO);//ConsoleAppender log level is DEBUG
consoleAppender.activateOptions();
logger.addAppender(consoleAppender);
}
if(ifFile == true) {//Log output to file
FileAppender fileAppender = new FileAppender();
fileAppender.setLayout(layout);
fileAppender.setFile(logFile);
fileAppender.setEncoding("UTF-8");
fileAppender.setAppend(true);
fileAppender.setThreshold(Level.INFO);//FileAppender log level is INFO
fileAppender.activateOptions();
logger.addAppender(fileAppender);
}
return logger;
}
/**
* Create a Logger instance (only output to the console)
*
* @paramclazz event log occurrence class
* @paramifLocate whether to locate the event log location (class. method line)
* @returnLogger
*/
public static Logger getLogger(Class<?> clazz, boolean ifLocate) {
return getLogger(clazz, true, false, null, ifLocate);
}
/**
* Create Logger instance (only output to file)
*
* @paramclazz event log occurrence class
* @paramlogFile log file address (use "/" to separate the path)
* @paramifLocate whether to locate the event log location (class. method line)
* @returnLogger
*/
public static Logger getLogger(Class<?> clazz, String logFile, boolean ifLocate) {
return getLogger(clazz, false, true, logFile, ifLocate);
}
}