本文整理了Java中org.apache.log4j.Layout.format()方法的一些代码示例，展示了Layout.format()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.format()方法的具体详情如下：
包路径：org.apache.log4j.Layout
类名称：Layout
方法名：format

Layout.format介绍

[英]Implement this method to create your own layout format.
[中]实现此方法以创建自己的布局格式。

代码示例

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: log4j/log4j

/**
 * By default getLogStatement sends the event to the required Layout object.
 * The layout will format the given pattern into a workable SQL string.
 *
 * Overriding this provides direct access to the LoggingEvent
 * when constructing the logging statement.
 *
 */
protected String getLogStatement(LoggingEvent event) {
 return getLayout().format(event);
}

代码示例来源：origin: pentaho/pentaho-kettle

public void doAppend( LoggingEvent event ) {
 String line = layout.format( event ) + Const.CR;
 try {
  pipedOutputStream.write( line.getBytes() );
 } catch ( IOException e ) {
  System.out.println( "Unable to write to piped output stream : " + e.getMessage() );
 }
}

代码示例来源：origin: pentaho/pentaho-kettle

public void doAppend( LoggingEvent event ) {
 String line = layout.format( event ) + Const.CR;
 try {
  fileOutputStream.write( line.getBytes( Const.XML_ENCODING ) );
 } catch ( IOException e ) {
  System.out.println( "Unable to close Logging file [" + file.getName() + "] : " + e.getMessage() );
 }
}

代码示例来源：origin: pentaho/pentaho-kettle

public void doAppend( LoggingEvent event ) {
 String line = layout.format( event ) + Const.CR;
 buffer.append( line );
 // See if we don't have too many lines on board...
 nrLines++;
 if ( maxNrLines > 0 && nrLines > maxNrLines ) {
  buffer.delete( 0, line.length() );
  nrLines--;
 }
 for ( BufferChangedListener listener : bufferChangedListeners ) {
  listener.contentWasAdded( buffer, line, nrLines );
 }
}

代码示例来源：origin: killme2008/Metamorphosis

public List<String> getLogs(long timestamp) {
  List<String> rt = new ArrayList<String>();
  List<LoggingEvent> copiedEvents = this.getEvents();
  for (LoggingEvent event : copiedEvents) {
    if (event.timeStamp > timestamp) {
      rt.add(this.layout.format(event));
    }
  }
  return rt;
}

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

/** 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

sbuf.append(layout.format(event));
if(layout.ignoresThrowable()) {
 String[] s = event.getThrowableStrRep();

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: 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

packet = String.valueOf(event.getMessage());
} else {
  packet = layout.format(event);

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

@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: cloudfoundry/uaa

packet = String.valueOf(event.getMessage());
} else {
  packet = layout.format(event);

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: apache/flume

loggingEvent.getNDC(), loggingEvent.getLocationInformation(),
   loggingEvent.getProperties());
 msg = layout.format(singleLoggingEvent);
} else {
 msg = message.toString();

代码示例来源：origin: camunda/camunda-bpm-platform

/**
 * By default getLogStatement sends the event to the required Layout object.
 * The layout will format the given pattern into a workable SQL string.
 *
 * Overriding this provides direct access to the LoggingEvent
 * when constructing the logging statement.
 *
 */
protected String getLogStatement(LoggingEvent event) {
 return getLayout().format(event);
}

代码示例来源：origin: openmrs/openmrs-core

public List<String> getLogLines() {
  List<String> logLines = new ArrayList<>(buffer.size());
  Layout layout = this.getLayout();
  for (Object aBuffer : buffer) {
    LoggingEvent loggingEvent = (LoggingEvent) aBuffer;
    logLines.add(layout.format(loggingEvent));
  }
  return logLines;
}

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);
}