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## org.apache.catalina.logger
Class FileLogger

    java.lang.Object
      org.apache.catalina.logger.LoggerBase
          org.apache.catalina.logger.FileLogger

All Implemented Interfaces:
  Lifecycle, Logger

public class FileLogger
extends LoggerBase
implements Lifecycle

Implementation of Logger that appends log messages to a file named {prefix}.{date}.{suffix} in a configured directory, with an optional preceding timestamp.

Version:
  $Revision: 376419 $ $Date: 2006-02-09 15:16:59 -0500 (Thu, 09 Feb 2006) $
Author:
  Craig R. McClanahan

Field Summary
`protected static java.lang.String` | `info` The descriptive information about this implementation.
`protected LifecycleSupport` | `lifecycle` The lifecycle event support for this component.

Fields inherited from class org.apache.catalina.logger.LoggerBase
`container, debug, support, verbosity`

Fields inherited from interface org.apache.catalina.Lifecycle
`AFTER_START_EVENT, AFTER_STOP_EVENT, BEFORE_START_EVENT, BEFORE_STOP_EVENT, START_EVENT, STOP_EVENT`

Fields inherited from interface org.apache.catalina.Logger
`DEBUG, ERROR, FATAL, INFORMATION, WARNING`

Constructor Summary
`FileLogger()`

Method Summary
`void` | `addLifecycleListener(LifecycleListener listener)` Add a lifecycle event listener to this component.
`LifecycleListener[]` | `findLifecycleListeners()` Get the lifecycle listeners associated with this lifecycle.
`java.lang.String` | `getDirectory()` Return the directory in which we create log files.
`java.lang.String` | `getPrefix()` Return the log file prefix.
`java.lang.String` | `getSuffix()` Return the log file suffix.
`boolean` | `getTimestamp()` Return the timestamp flag.
`void` | `log(java.lang.String msg)` Writes the specified message to a servlet log file, usually an event log.
`void` | `removeLifecycleListener(LifecycleListener listener)` Remove a lifecycle event listener from this component.
`void` | `setDirectory(java.lang.String directory)` Set the directory in which we create log files.
`void` | `setPrefix(java.lang.String prefix)` Set the log file prefix.
`void` | `setSuffix(java.lang.String suffix)` Set the log file suffix.
`void` | `setTimestamp(boolean timestamp)` Set the timestamp flag.
`void` | `start()` Prepare for the beginning of active use of the public methods of this component.
`void` | `stop()` Gracefully terminate the active use of the public methods of this component.

Methods inherited from class org.apache.catalina.logger.LoggerBase
`addPropertyChangeListener, getContainer, getDebug, getInfo, getVerbosity, log, log, log, log, removePropertyChangeListener, setContainer, setDebug, setVerbosity, setVerbosityLevel`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### info

    protected static final java.lang.String info

  The descriptive information about this implementation.

  See Also:
    Constant Field Values

### lifecycle

    protected LifecycleSupport lifecycle

  The lifecycle event support for this component.

Constructor Detail

### FileLogger

    public FileLogger()

Method Detail

### getDirectory

    public java.lang.String getDirectory()

  Return the directory in which we create log files.

### setDirectory

    public void setDirectory(java.lang.String directory)

  Set the directory in which we create log files.

  Parameters:
    `directory` - The new log file directory

### getPrefix

    public java.lang.String getPrefix()

  Return the log file prefix.

### setPrefix

    public void setPrefix(java.lang.String prefix)

  Set the log file prefix.

  Parameters:
    `prefix` - The new log file prefix

### getSuffix

    public java.lang.String getSuffix()

  Return the log file suffix.

### setSuffix

    public void setSuffix(java.lang.String suffix)

  Set the log file suffix.

  Parameters:
    `suffix` - The new log file suffix

### getTimestamp

    public boolean getTimestamp()

  Return the timestamp flag.

### setTimestamp

    public void setTimestamp(boolean timestamp)

  Set the timestamp flag.

  Parameters:
    `timestamp` - The new timestamp flag

### log

    public void log(java.lang.String msg)

  Writes the specified message to a servlet log file, usually an event log. The name and type of the servlet log is specific to the servlet container.

  Specified by:
    `log` in interface `Logger`
  Specified by:
    `log` in class `LoggerBase`
  Parameters:
    `msg` - A `String` specifying the message to be written to the log file

### addLifecycleListener

    public void addLifecycleListener(LifecycleListener listener)

  Add a lifecycle event listener to this component.

  Specified by:
    `addLifecycleListener` in interface `Lifecycle`
  Parameters:
    `listener` - The listener to add

### findLifecycleListeners

    public LifecycleListener[] findLifecycleListeners()

  Get the lifecycle listeners associated with this lifecycle. If this Lifecycle has no listeners registered, a zero-length array is returned.

  Specified by:
    `findLifecycleListeners` in interface `Lifecycle`

### removeLifecycleListener

    public void removeLifecycleListener(LifecycleListener listener)

  Remove a lifecycle event listener from this component.

  Specified by:
    `removeLifecycleListener` in interface `Lifecycle`
  Parameters:
    `listener` - The listener to add

### start

    public void start()
               throws LifecycleException

  Prepare for the beginning of active use of the public methods of this component. This method should be called after `configure()`, and before any of the public methods of the component are utilized.

  Specified by:
    `start` in interface `Lifecycle`
  Throws:
    `LifecycleException` - if this component detects a fatal error that prevents this component from being used

### stop

    public void stop()
              throws LifecycleException

  Gracefully terminate the active use of the public methods of this component. This method should be the last one called on a given instance of this component.

  Specified by:
    `stop` in interface `Lifecycle`
  Throws:
    `LifecycleException` - if this component detects a fatal error that needs to be reported

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