Java RollingFileAppender.setThreshold方法代码示例

import org.apache.log4j.RollingFileAppender; //导入方法依赖的package包/类
private static void initLogger() {
	Logger rootLogger = Logger.getRootLogger();
	PatternLayout layout = new PatternLayout("%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n");

	try {
		RollingFileAppender fileAppender = new RollingFileAppender(layout, System.getProperty("log.file", "./vnt.log"));
		fileAppender.setImmediateFlush(true);
		fileAppender.setThreshold(Level.DEBUG);
		fileAppender.setAppend(true);
		fileAppender.setMaxFileSize("5MB");
		fileAppender.setMaxBackupIndex(2);

		rootLogger.addAppender(fileAppender);
	} catch (IOException e) {
		log.error("Failed to add appender !!", e);
	}
}
 

import org.apache.log4j.RollingFileAppender; //导入方法依赖的package包/类
/**
 * Create File appender, This appender is responsible to write stream of data when invoked, in our case, this appender is handeled my the Bufferappender
 *
 * @param cacheName Name of the file appender
 * @param fileName Filename to which is to write logs
 * @return returns the created appender
 */
private Appender CreateRollingFileAppender(String fileName)
{
    RollingFileAppender appender = new RollingFileAppender();
    appender.setName("RollingFileAppender" + _loggerName);
    appender.setFile(fileName);
    //doesnt matter since all files are created with a new name
    appender.setAppend(false);

    appender.setMaxBackupIndex(Integer.MAX_VALUE);
    appender.setMaxFileSize("5MB");

    String str = "%-27d{ISO8601}" /*+ "\t%-45.42appdomain" + "\t%-45.42l"*/ + "\t%-42t" + "\t%-9p" + "\t%m" + "%n";

    appender.setThreshold(Level.ALL);

    return appender;
}
 

import org.apache.log4j.RollingFileAppender; //导入方法依赖的package包/类
private static void initLogger() {
	// This is the root logger provided by log4j
	Logger rootLogger = Logger.getRootLogger();

	// Define log pattern layout
	PatternLayout layout = new PatternLayout("%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n");

	try {
		// Define file appender with layout and output log file name
		RollingFileAppender fileAppender = new RollingFileAppender(layout, "./scplayer.log");
		fileAppender.setImmediateFlush(true);
		fileAppender.setThreshold(Level.DEBUG);
		fileAppender.setAppend(true);
		fileAppender.setMaxFileSize("5MB");
		fileAppender.setMaxBackupIndex(2);

		// Add the appender to root logger
		rootLogger.addAppender(fileAppender);
	} catch (IOException e) {
		System.out.println("Failed to add appender !!");
		System.exit(-1);
	}
}
 

import org.apache.log4j.RollingFileAppender; //导入方法依赖的package包/类
public static void setup(Level level, String logLocation) {
    if (logLocation != null) {
        RollingFileAppender fa = new RollingFileAppender();
        fa.setName("FileLogger");
        fa.setFile(logLocation);
        fa.setMaxFileSize("5MB");
        fa.setMaxBackupIndex(1);
        fa.setLayout(new PatternLayout("%d | %-5p| %c{1} | %m%n"));
        fa.setThreshold(level);
        fa.setAppend(true);
        fa.activateOptions();
        Logger.getRootLogger().addAppender(fa);
        LOGGER.info("File Handler set");
    } else {
        System.out.println("Log location is not set, not logging to file");
    }
}
 

import org.apache.log4j.RollingFileAppender; //导入方法依赖的package包/类
/**
 * Returns a rolling file appender.
 * 
 * @param file the file to output to, including path and filename.
 */
private RollingFileAppender getRollingFileAppender( String file )
{
    RollingFileAppender appender = new RollingFileAppender();
    
    appender.setThreshold( Level.INFO );
    appender.setFile( file );
    appender.setMaxFileSize( MAX_FILE_SIZE );
    appender.setLayout( PATTERN_LAYOUT );
    appender.activateOptions();
    
    return appender;        
}
 

import org.apache.log4j.RollingFileAppender; //导入方法依赖的package包/类
@Test
public void testErrorLevelOff()
{
  RollingFileAppender rfa = (RollingFileAppender)logger.getAppender(APPENDER_NAME);
  assertNull(rfa.getThreshold());
  rfa.setThreshold(Level.FATAL);
  assertNull(LoggerUtil.getLogFileInformation(logger));
  rfa.setThreshold(null);
}
 

import org.apache.log4j.RollingFileAppender; //导入方法依赖的package包/类
private void installFileAppender(String logFilename) {
    RollingFileAppender file = new RollingFileAppender();
    file.setName("FileAppender");
    file.setThreshold(logLevel);
    file.setFile(new File(logFilename).getAbsolutePath());
    file.setMaxFileSize(MAX_FILE_SIZE);
    file.setMaxBackupIndex(MAX_BACKUPS);
    file.setLayout(new PatternLayout(PATTERN));
    file.setAppend(true);
    file.activateOptions();

    Logger.getRootLogger().addAppender(file);
}
 

import org.apache.log4j.RollingFileAppender; //导入方法依赖的package包/类
@Override
protected void starting(Description description) {

    if (isSpecsEnabled()) {
        String simplePackageName = getSimplePackageName(description);
        String specsLocation = SPECS_BASE_DIRECTORY + File.separator + simplePackageName;

        thisTestsAppender = new RollingFileAppender();
        thisTestsAppender.setMaxFileSize("100MB");
        thisTestsAppender.setMaxBackupIndex(0);
        thisTestsAppender.setFile(specsLocation + File.separator + description.getTestClass().getSimpleName()
                + File.separator + description.getMethodName().split("http")[0] + ".html");
        PatternLayout patternLayout = new PatternLayout();
        patternLayout.setConversionPattern("%m%n");
        thisTestsAppender.setLayout(patternLayout);
        thisTestsAppender.setThreshold(Level.TRACE);
        thisTestsAppender.activateOptions();
        rootLogger = Logger.getRootLogger();
        rootLogger.addAppender(thisTestsAppender);

        log.info("<html><head><title>" + formatMethodName(description) + "</title>" +
                    "<script src=\"http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js\"></script>" +
                    "<style>" +
                        ".text{color: green; font-style: italic; font-size: 95%; font-family: tahoma} " +
                    ".link{text-decoration: none; font-weight: normal; font-size: 80%; font-style: italic; color: #33d;} " +
                    "h1{width:60%} li.error{padding-top: 0px} li.error span{background: #e00; color: #fff; padding: 0 20px; margin: 0; display: block;} " +
                    "ol ol li.step{ color: #444; font-size: 95%; font-weight: normal} ol ol " +
                    "li{ list-style-type: lower-latin; line-height:2; width: 60%;border-bottom: 1px dotted #999; padding-top: 15px; color: darkblue} " +
                    ".action{margin-top: 20px;cursor:pointer; font-weight: bold; color: green; } body{ font-family: tahoma; padding: 20px; } ul{line-height: 1.5; padding: 10px 60px; }" +
                    "</style>" +
                "</head><body>");

        log.info("<h1 style=\"font-family: tahoma\">" + formatMethodName(description) + "</h1><hr/><ol><li class='dummy'><ol>");
    }
}
 

import org.apache.log4j.RollingFileAppender; //导入方法依赖的package包/类
@Override
public void init(FilterConfig filterConfig) throws ServletException {
    // Force the locale in order to not depend on the execution environment
    Locale.setDefault(new Locale(Constants.DEFAULT_LOCALE_ID));

    // Injects the webapp root
    String webappRoot = filterConfig.getServletContext().getRealPath("/");
    EnvironmentUtil.setWebappRoot(webappRoot);
    
    // Initialize the app directory
    File baseDataDirectory = null;
    try {
        baseDataDirectory = DirectoryUtil.getBaseDataDirectory();
    } catch (Exception e) {
        log.error("Error initializing base data directory", e);
    }
    if (log.isInfoEnabled()) {
        log.info(MessageFormat.format("Using base data directory: {0}", baseDataDirectory.toString()));
    }
    
    // Initialize file logger
    RollingFileAppender fileAppender = new RollingFileAppender();
    fileAppender.setName("FILE");
    fileAppender.setFile(DirectoryUtil.getLogDirectory() + File.separator + "books.log");
    fileAppender.setLayout(new PatternLayout("%d{DATE} %p %l %m %n"));
    fileAppender.setThreshold(Level.INFO);
    fileAppender.setAppend(true);
    fileAppender.setMaxFileSize("5MB");
    fileAppender.setMaxBackupIndex(5);
    fileAppender.activateOptions();
    org.apache.log4j.Logger.getRootLogger().addAppender(fileAppender);
    
    // Initialize the application context
    TransactionUtil.handle(new Runnable() {
        @Override
        public void run() {
            AppContext.getInstance();
        }
    });
}