java类org.apache.log4j.spi.ErrorHandler的实例源码

private void parseErrorHandler(
  final ErrorHandler eh,
  final String errorHandlerPrefix,
  final Properties props, 
  final LoggerRepository hierarchy) {
boolean rootRef = OptionConverter.toBoolean(
              OptionConverter.findAndSubst(errorHandlerPrefix + ROOT_REF, props), false);
if (rootRef) {
          eh.setLogger(hierarchy.getRootLogger());
   }
String loggerName = OptionConverter.findAndSubst(errorHandlerPrefix + LOGGER_REF , props);
if (loggerName != null) {
    Logger logger = (loggerFactory == null) ? hierarchy.getLogger(loggerName)
                    : hierarchy.getLogger(loggerName, loggerFactory);
    eh.setLogger(logger);
}
String appenderName = OptionConverter.findAndSubst(errorHandlerPrefix + APPENDER_REF_TAG, props);
if (appenderName != null) {
    Appender backup = parseAppender(props, appenderName);
    if (backup != null) {
        eh.setBackupAppender(backup);
    }
}
}

public
void setErrorHandler(ErrorHandler eh) {
  if(eh == null) {
    // This is a programming error on the part of the enclosing appender.
    throw new IllegalArgumentException("Attempted to set null ErrorHandler.");
  } else { 
    this.errorHandler = eh;
  }
}

/** 
    Set the {@link ErrorHandler} for this Appender.
    @since 0.9.0
*/
public
synchronized
void setErrorHandler(ErrorHandler eh) {
  if(eh == null) {
    // We do not throw exception here since the cause is probably a
    // bad config file.
    LogLog.warn("You have tried to set a null error-handler.");
  } else {
    this.errorHandler = eh;
  }
}

/**
    Set the {@link ErrorHandler} for this WriterAppender and also the
    underlying {@link QuietWriter} if any. */
 public synchronized void setErrorHandler(ErrorHandler eh) {
   if(eh == null) {
     LogLog.warn("You have tried to set a null error-handler.");
   } else {
     this.errorHandler = eh;
     if(this.qw != null) {
this.qw.setErrorHandler(eh);
     }
   }
 }

public
void setErrorHandler(ErrorHandler eh) {
  if(eh == null) {
    // This is a programming error on the part of the enclosing appender.
    throw new IllegalArgumentException("Attempted to set null ErrorHandler.");
  } else { 
    this.errorHandler = eh;
  }
}

/** 
    Set the {@link ErrorHandler} for this Appender.
    @since 0.9.0
*/
public
synchronized
void setErrorHandler(ErrorHandler eh) {
  if(eh == null) {
    // We do not throw exception here since the cause is probably a
    // bad config file.
    LogLog.warn("You have tried to set a null error-handler.");
  } else {
    this.errorHandler = eh;
  }
}

/**
    Set the {@link ErrorHandler} for this WriterAppender and also the
    underlying {@link QuietWriter} if any. */
 public synchronized void setErrorHandler(ErrorHandler eh) {
   if(eh == null) {
     LogLog.warn("You have tried to set a null error-handler.");
   } else {
     this.errorHandler = eh;
     if(this.qw != null) {
this.qw.setErrorHandler(eh);
     }
   }
 }

/**
   Convert <code>val</code> a String parameter to an object of a
   given type.
*/
protected
Object convertArg(String val, Class type) {
  if(val == null)
    return null;

  String v = val.trim();
  if (String.class.isAssignableFrom(type)) {
    return val;
  } else if (Integer.TYPE.isAssignableFrom(type)) {
    return new Integer(v);
  } else if (Long.TYPE.isAssignableFrom(type)) {
    return new Long(v);
  } else if (Boolean.TYPE.isAssignableFrom(type)) {
    if ("true".equalsIgnoreCase(v)) {
      return Boolean.TRUE;
    } else if ("false".equalsIgnoreCase(v)) {
      return Boolean.FALSE;
    }
  } else if (Priority.class.isAssignableFrom(type)) {
    return OptionConverter.toLevel(v, (Level) Level.DEBUG);
  } else if (ErrorHandler.class.isAssignableFrom(type)) {
    return OptionConverter.instantiateByClassName(v, 
 ErrorHandler.class, null);
  }
  return null;
}

public
void setErrorHandler(ErrorHandler eh) {
  if(eh == null) {
    // This is a programming error on the part of the enclosing appender.
    throw new IllegalArgumentException("Attempted to set null ErrorHandler.");
  } else { 
    this.errorHandler = eh;
  }
}

/** 
    Set the {@link ErrorHandler} for this Appender.
    @since 0.9.0
*/
public
synchronized
void setErrorHandler(ErrorHandler eh) {
  if(eh == null) {
    // We do not throw exception here since the cause is probably a
    // bad config file.
    LogLog.warn("You have tried to set a null error-handler.");
  } else {
    this.errorHandler = eh;
  }
}

/**
    Set the {@link ErrorHandler} for this WriterAppender and also the
    underlying {@link QuietWriter} if any. */
 public synchronized void setErrorHandler(ErrorHandler eh) {
   if(eh == null) {
     LogLog.warn("You have tried to set a null error-handler.");
   } else {
     this.errorHandler = eh;
     if(this.qw != null) {
this.qw.setErrorHandler(eh);
     }
   }
 }

/**
 * Constructor
 */
public FallbackAppender() {
    ErrorHandler fb = new FallbackErrorHandler();
    this.setErrorHandler(fb);
    fb.setAppender(this);
    Appender rootAppen = Logger.getRootLogger().getAppender("RootAppender");

    if (rootAppen != null) {
        fb.setBackupAppender(rootAppen);
    }

    Logger logger = Logger.getLogger(LoggingInvocationProcessor.class);
    fb.setLogger(logger);
}

/**
 * Constructor
 */
public FailbackAppender() {
    ErrorHandler fb = new FallbackErrorHandler();
    this.setErrorHandler(fb);
    fb.setAppender(this);
    Appender rootAppen = Logger.getRootLogger().getAppender("RootAppender");

    if (rootAppen != null) {
        fb.setBackupAppender(rootAppen);
    }

    Logger logger = Logger.getLogger(LoggingInvocationProcessor.class);
    fb.setLogger(logger);
}

/**
 * Set the {@link ErrorHandler} for this Appender.
 *
 * @since 0.9.0
 */
@Override
public synchronized void setErrorHandler(ErrorHandler eh) {
    if (eh != null) {
        this.errorHandler = eh;
    }
}

@Override
public ErrorHandler getErrorHandler() {
    // TODO Auto-generated method stub
    return null;
}

@Override
public void setErrorHandler(ErrorHandler arg0) {
    // TODO Auto-generated method stub
}

@Override
public ErrorHandler getErrorHandler() {
    // TODO Auto-generated method stub
    return null;
}

@Override
public void setErrorHandler(ErrorHandler arg0) {
    // TODO Auto-generated method stub
}

@Override
public void setErrorHandler(ErrorHandler errorHandler) {
    this.errorHandler = errorHandler;
}

@Override
public ErrorHandler getErrorHandler() {
    return errorHandler;
}

@Override
public ErrorHandler getErrorHandler() {
    return null;
}

@Override
public void setErrorHandler(ErrorHandler errorHandler) {
    super.setErrorHandler(errorHandler);
}

@Override
public ErrorHandler getErrorHandler() {
    return super.getErrorHandler();
}

public ErrorHandler getErrorHandler()
{
    return null;
}

public void setErrorHandler(ErrorHandler errorHandler)
{
}

@Override
public ErrorHandler getErrorHandler() {
    return fallbackErrorHandler;
}

public CountingQuietWriterEx(String key, String fileName, Writer writer, ErrorHandler eh) {
    super(writer, eh);
    this.key = key;
    this.fileName = fileName;
}

public
QuietWriter(Writer writer, ErrorHandler errorHandler) {
  super(writer);
  setErrorHandler(errorHandler);
}

public
SyslogQuietWriter(Writer writer, int syslogFacility, ErrorHandler eh) {
  super(writer, eh);
  this.syslogFacility = syslogFacility;
}

public
CountingQuietWriter(Writer writer, ErrorHandler eh) {
  super(writer, eh);
}