本文整理了Java中org.apache.log4j.Layout类的一些代码示例，展示了Layout类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Layout类的具体详情如下：
包路径：org.apache.log4j.Layout
类名称：Layout

Layout介绍

[英]Extend this abstract class to create your own log layout format.
[中]扩展此抽象类以创建自己的日志布局格式。

代码示例

代码示例来源：origin: apache/flume

private List<Event> parseEvents(LoggingEvent loggingEvent) {
 Map<String, String> headers = new HashMap<>();
 headers.put(Log4jAvroHeaders.LOGGER_NAME.toString(), loggingEvent.getLoggerName());
 headers.put(Log4jAvroHeaders.TIMESTAMP.toString(), String.valueOf(loggingEvent.timeStamp));
 headers.put(Log4jAvroHeaders.ADDRESS.toString(), clientAddress);
   String.valueOf(loggingEvent.getLevel().toInt()));
 if (loggingEvent.getMessage() instanceof Collection) {
  messages = (Collection) loggingEvent.getMessage();
 } else {
      loggingEvent.getNDC(), loggingEvent.getLocationInformation(),
      loggingEvent.getProperties());
    msg = layout.format(singleLoggingEvent);
   } else {
    msg = message.toString();

代码示例来源：origin: log4j/log4j

public void append(LoggingEvent event) {
 StringBuffer sbuf = new StringBuffer();
 sbuf.append(layout.format(event));
 if(layout.ignoresThrowable()) {
  String[] s = event.getThrowableStrRep();
  if (s != null) {
 int len = s.length;
 for(int i = 0; i < len; i++) {
  sbuf.append(s[i]);
 }
  }
 }
 // Normalize the log message level into the supported categories
 int nt_category = event.getLevel().toInt();
 // Anything above FATAL or below DEBUG is labeled as INFO.
 //if (nt_category > FATAL || nt_category < DEBUG) {
 //  nt_category = INFO;
 //}
 reportEvent(_handle, sbuf.toString(), nt_category);
}

代码示例来源：origin: log4j/log4j

String t = layout.getHeader();
 if(t != null)
sbuf.append(t);
sbuf.append(layout.format(event));
if(layout.ignoresThrowable()) {
 String[] s = event.getThrowableStrRep();
 if (s != null) {
  for(int j = 0; j < s.length; j++) {
 t = layout.getFooter();
 if(t != null) {
  sbuf.append(t);

代码示例来源：origin: log4j/log4j

/**
  Actual writing occurs here.
  <p>Most subclasses of <code>WriterAppender</code> will need to
  override this method.
  @since 0.9.0 */
protected
void subAppend(LoggingEvent event) {
 this.qw.write(this.layout.format(event));
 if(layout.ignoresThrowable()) {
  String[] s = event.getThrowableStrRep();
  if (s != null) {
 int len = s.length;
 for(int i = 0; i < len; i++) {
  this.qw.write(s[i]);
  this.qw.write(Layout.LINE_SEP);
 }
  }
 }
 if(shouldFlush(event)) {
  this.qw.flush();
 }
}

代码示例来源：origin: log4j/log4j

/** Handles a log event.  For this appender, that means writing the
 message to each connected client.  */
protected void append(LoggingEvent event) {
  if(sh != null) {
   sh.send(layout.format(event));
   if(layout.ignoresThrowable()) {
     String[] s = event.getThrowableStrRep();
     if (s != null) {
       StringBuffer buf = new StringBuffer();
       for(int i = 0; i < s.length; i++) {
         buf.append(s[i]);
         buf.append("\r\n");
       }
       sh.send(buf.toString());
     }
   }
  }
}

代码示例来源：origin: log4j/log4j

public
void append(LoggingEvent event) {
 if(!isAsSevereAsThreshold(event.getLevel()))
  return;
   if (layout != null && layout.getHeader() != null) {
     sendLayoutMessage(layout.getHeader());
 String packet;
 if (layout == null) {
   packet = String.valueOf(event.getMessage());
 } else {
   packet = layout.format(event);
 sqw.setLevel(event.getLevel().getSyslogEquivalent());
 if (layout == null || layout.ignoresThrowable()) {
  String[] s = event.getThrowableStrRep();
  if (s != null) {

代码示例来源：origin: QSFT/Doradus

public static String getLog(String level) {
    Level lvl = level == null ? Level.DEBUG : Level.toLevel(level);
    StringBuilder sb = new StringBuilder();
    synchronized(m_sync) {
      for(LoggingEvent event: m_backup) {
        if(event.getLevel().toInt() < lvl.toInt()) continue;
        String log = m_layout.format(event);
        sb.append(log);
      }
      sb.append("\n");
      for(LoggingEvent event: m_current) {
        if(event.getLevel().toInt() < lvl.toInt()) continue;
        String log = m_layout.format(event);
        sb.append(log);
      }
      return sb.toString();
    }
  }
}

代码示例来源：origin: org.jvnet.hyperjaxb3/maven-hyperjaxb3-plugin

@Override
protected void append(LoggingEvent event) {
  if (event.getLevel().equals(Level.TRACE)) {
    log.debug(layout.format(event));
  } else if (event.getLevel().equals(Level.DEBUG)) {
    log.debug(layout.format(event));
  } else if (event.getLevel().equals(Level.INFO)) {
    log.info(layout.format(event));
  } else if (event.getLevel().equals(Level.WARN)) {
    log.warn(layout.format(event));
  } else if (event.getLevel().equals(Level.ERROR)) {
    log.error(layout.format(event));
  } else if (event.getLevel().equals(Level.FATAL)) {
    log.error(layout.format(event));
  }
}

代码示例来源：origin: pentaho/pentaho-kettle

@Override
protected void append( LoggingEvent event ) {
 String s = layout.format( event );
 if ( Level.DEBUG.equals( event.getLevel() ) ) {
  log.logDebug( s );
 } else if ( Level.ERROR.equals( event.getLevel() )
  || Level.FATAL.equals( event.getLevel() ) ) {
  Throwable t = event.getThrowableInformation() == null ? null : event.getThrowableInformation().getThrowable();
  if ( t == null ) {
   log.logError( s );
  } else {
   log.logError( s, t );
  }
 } else if ( Level.TRACE.equals( event.getLevel() ) ) {
  log.logRowlevel( s );
 } else if ( Level.OFF.equals( event.getLevel() ) ) {
  log.logMinimal( s );
 } else {
  // ALL, WARN, INFO, or others
  log.logBasic( s );
 }
}

代码示例来源：origin: org.graylog2/syslog4j

protected void append(LoggingEvent event) {
  if (!this.initialized) {
    _initialize();
  }
  if (this.initialized) {
    int level = event.getLevel().getSyslogEquivalent();
    if (this.layout != null) {
      String message = this.layout.format(event);
      this.syslog.log(level, message);
    } else {
      String message = event.getRenderedMessage();
      this.syslog.log(level, message);
    }
  }
}

代码示例来源：origin: com.qaprosoft/zafira-client

/**
   * Method is called by ExecutorService and publishes message on RabbitMQ
   * 
   * @return loggingEvent
   */
  @Override
  public LoggingEvent call() throws Exception
  {
    if(zafiraConnected)
    {
      String payload = layout.format(loggingEvent);
      
      AMQP.BasicProperties.Builder b = new AMQP.BasicProperties().builder();
      b.appId(identifier)
          .type(loggingEvent.getLevel().toString())
          .correlationId(String.valueOf(correlationId))
          .contentType("text/json");
      createChannel().basicPublish(exchange, routingKey, b.build(), payload.getBytes());
    }
    return loggingEvent;
  }
}

代码示例来源：origin: ron190/jsql-injection

/**
 * Method from Log4j AppenderSkeleton that gets a call for all Log4J events.
 * @param event A logging event.
 * @see org.apache.log4j.AppenderSkeleton
 */
@Override
public void append(final LoggingEvent event) {
  SwingUtilities.invokeLater(() -> this.insertText(
    this.layout.format(event),
    event.getLevel(),
    event.getThrowableInformation()
  ));
}

代码示例来源：origin: riotfamily/riot

@Override
protected synchronized void append(LoggingEvent event) {
  if (lastReportSent + minLagBetweenMails <= System.currentTimeMillis()) {
    if (text == null) {
      text = new StringBuilder();
      String header = getLayout().getHeader();
      if (header != null) {
        text.append(header);
      }
    }
    text.append(getLayout().format(event));
    if (event.getLevel().isGreaterOrEqual(highestSeverity)) {
      highestSeverity = event.getLevel();
    }
    schedule(reportWindow);
  }
}

代码示例来源：origin: cloudfoundry/uaa

@Override
public String format(LoggingEvent event) {
  if(lineLayout == null) { return messageLayout == null ? event.getRenderedMessage() : messageLayout.format(event); }
  String message = event.getRenderedMessage();
  String[] lines;
  String[] throwable;
  if(messageLayout == null && (throwable = event.getThrowableStrRep()) != null) {
    lines = throwable;
  } else if(message != null) {
    lines = message.split("\r?\n");
  } else {
    lines = new String[0];
  }
  StringBuffer strBuf = new StringBuffer();
  for (String line : lines) {
    String formattedLine = lineLayout.format(replaceEventMessageWithoutThrowable(event, line));
    strBuf.append(formattedLine);
  }
  String formattedLines = strBuf.toString();
  if (messageLayout == null) return formattedLines;
  return messageLayout.format(replaceEventMessage(event, formattedLines));
}

代码示例来源：origin: yacy/yacy_grid_mcp

@Override
public void append(LoggingEvent event) {
  if (event == null) return;
  String line = this.layout.format(event);
  this.lines.add(line);
  if (event.getThrowableInformation() != null) {
    for (String t: event.getThrowableStrRep()) this.lines.add(t + "\n");
  }
  clean(this.maxlines);
}

代码示例来源：origin: javamelody/javamelody

/**
 * {@inheritDoc}
 */
@Override
protected void append(LoggingEvent event) {
  final Throwable throwable;
  if (event.getThrowableInformation() == null) {
    throwable = null;
  } else {
    throwable = event.getThrowableInformation().getThrowable();
  }
  LoggingHandler.addErrorLogToCounter(getLayout().format(event), throwable);
}

代码示例来源：origin: pentaho/pentaho-kettle

public void doAppend( LoggingEvent event ) {
 String line = layout.format( event );
 System.out.println( line );
}

代码示例来源：origin: broadgsa/gatk

/**
 * The string representation for the class data
 * 
 * @return string containing the logging events
 * @throws ReviewedGATKException if layout is null
 */
public synchronized String toString() {
  final String msgType = logLevelToKeep.toString() + " messages";
  if ( loggingEvents.isEmpty() ) {
    return "There were no " + new String(msgType).toLowerCase() + ".\n";
  } else {
    String out = "There were " + Integer.toString(numLoggingEvents) + " " + msgType;
    if ( layout == null )
      throw new ReviewedGATKException("layout cannot be null");
    out += ", the first " + loggingEvents.size() + " are repeated below.\n";
    for ( LoggingEvent event : loggingEvents ) {
      out += layout.format(event);
    }
    return out;
  }
}

代码示例来源：origin: apache/rocketmq

/**
 * Info,error,warn,callback method implementation
 */
public void append(LoggingEvent event) {
  if (null == producer) {
    return;
  }
  if (locationInfo) {
    event.getLocationInformation();
  }
  byte[] data = this.layout.format(event).getBytes();
  try {
    Message msg = new Message(topic, tag, data);
    msg.getProperties().put(ProducerInstance.APPENDER_TYPE, ProducerInstance.LOG4J_APPENDER);
    //Send message and do not wait for the ack from the message broker.
    producer.sendOneway(msg);
  } catch (Exception e) {
    String msg = new String(data);
    errorHandler.error("Could not send message in RocketmqLog4jAppender [" + name + "].Message is :" + msg, e,
      ErrorCode.GENERIC_FAILURE);
  }
}

代码示例来源：origin: log4j/log4j

/**
  Write a footer as produced by the embedded layout's {@link
  Layout#getFooter} method.  */
protected
void writeFooter() {
 if(layout != null) {
  String f = layout.getFooter();
  if(f != null && this.qw != null) {
 this.qw.write(f);
 this.qw.flush();
  }
 }
}