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## org.apache.fop.util
Class CommandLineLogger

    java.lang.Object
      org.apache.fop.util.CommandLineLogger

All Implemented Interfaces:
  org.apache.commons.logging.Log

public class CommandLineLogger
extends java.lang.Object
implements org.apache.commons.logging.Log

This is a commons-logging logger for command line use.

Field Summary
`static int` | `LOG_LEVEL_DEBUG` "Debug" level logging.
`static int` | `LOG_LEVEL_ERROR` "Error" level logging.
`static int` | `LOG_LEVEL_FATAL` "Fatal" level logging.
`static int` | `LOG_LEVEL_INFO` "Info" level logging.
`static int` | `LOG_LEVEL_TRACE` "Trace" level logging.
`static int` | `LOG_LEVEL_WARN` "Warn" level logging.

Constructor Summary
`CommandLineLogger(java.lang.String logName)` Construct the logger with a default log level taken from the LogFactory attribute "level".

Method Summary
`void` | `debug(java.lang.Object message)`
`void` | `debug(java.lang.Object message, java.lang.Throwable t)`
`void` | `error(java.lang.Object message)`
`void` | `error(java.lang.Object message, java.lang.Throwable t)`
`void` | `fatal(java.lang.Object message)`
`void` | `fatal(java.lang.Object message, java.lang.Throwable t)`
`void` | `info(java.lang.Object message)`
`void` | `info(java.lang.Object message, java.lang.Throwable t)`
`boolean` | `isDebugEnabled()`
`boolean` | `isErrorEnabled()`
`boolean` | `isFatalEnabled()`
`boolean` | `isInfoEnabled()`
`boolean` | `isTraceEnabled()`
`boolean` | `isWarnEnabled()`
`protected void` | `log(int type, java.lang.Object message, java.lang.Throwable t)` Do the actual logging.
`void` | `setLogLevel(java.lang.String level)` Set a log level for the logger.
`void` | `trace(java.lang.Object message)`
`void` | `trace(java.lang.Object message, java.lang.Throwable t)`
`void` | `warn(java.lang.Object message)`
`void` | `warn(java.lang.Object message, java.lang.Throwable t)`

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

Field Detail

### LOG_LEVEL_TRACE

    public static final int LOG_LEVEL_TRACE

  "Trace" level logging.

  See Also:
    Constant Field Values

### LOG_LEVEL_DEBUG

    public static final int LOG_LEVEL_DEBUG

  "Debug" level logging.

  See Also:
    Constant Field Values

### LOG_LEVEL_INFO

    public static final int LOG_LEVEL_INFO

  "Info" level logging.

  See Also:
    Constant Field Values

### LOG_LEVEL_WARN

    public static final int LOG_LEVEL_WARN

  "Warn" level logging.

  See Also:
    Constant Field Values

### LOG_LEVEL_ERROR

    public static final int LOG_LEVEL_ERROR

  "Error" level logging.

  See Also:
    Constant Field Values

### LOG_LEVEL_FATAL

    public static final int LOG_LEVEL_FATAL

  "Fatal" level logging.

  See Also:
    Constant Field Values

Constructor Detail

### CommandLineLogger

    public CommandLineLogger(java.lang.String logName)

  Construct the logger with a default log level taken from the LogFactory attribute "level".

Parameters:
  `logName` - the logger name.

Method Detail

### setLogLevel

    public void setLogLevel(java.lang.String level)

  Set a log level for the logger.

  Parameters:
    `level` - the log level

### isTraceEnabled

    public final boolean isTraceEnabled()

  Specified by:
    `isTraceEnabled` in interface `org.apache.commons.logging.Log`

### isDebugEnabled

    public final boolean isDebugEnabled()

  Specified by:
    `isDebugEnabled` in interface `org.apache.commons.logging.Log`

### isInfoEnabled

    public final boolean isInfoEnabled()

  Specified by:
    `isInfoEnabled` in interface `org.apache.commons.logging.Log`

### isWarnEnabled

    public final boolean isWarnEnabled()

  Specified by:
    `isWarnEnabled` in interface `org.apache.commons.logging.Log`

### isErrorEnabled

    public final boolean isErrorEnabled()

  Specified by:
    `isErrorEnabled` in interface `org.apache.commons.logging.Log`

### isFatalEnabled

    public final boolean isFatalEnabled()

  Specified by:
    `isFatalEnabled` in interface `org.apache.commons.logging.Log`

### trace

    public final void trace(java.lang.Object message)

  Specified by:
    `trace` in interface `org.apache.commons.logging.Log`

### trace

    public final void trace(java.lang.Object message,
                            java.lang.Throwable t)

  Specified by:
    `trace` in interface `org.apache.commons.logging.Log`

### debug

    public final void debug(java.lang.Object message)

  Specified by:
    `debug` in interface `org.apache.commons.logging.Log`

### debug

    public final void debug(java.lang.Object message,
                            java.lang.Throwable t)

  Specified by:
    `debug` in interface `org.apache.commons.logging.Log`

### info

    public final void info(java.lang.Object message)

  Specified by:
    `info` in interface `org.apache.commons.logging.Log`

### info

    public final void info(java.lang.Object message,
                           java.lang.Throwable t)

  Specified by:
    `info` in interface `org.apache.commons.logging.Log`

### warn

    public final void warn(java.lang.Object message)

  Specified by:
    `warn` in interface `org.apache.commons.logging.Log`

### warn

    public final void warn(java.lang.Object message,
                           java.lang.Throwable t)

  Specified by:
    `warn` in interface `org.apache.commons.logging.Log`

### error

    public final void error(java.lang.Object message)

  Specified by:
    `error` in interface `org.apache.commons.logging.Log`

### error

    public final void error(java.lang.Object message,
                            java.lang.Throwable t)

  Specified by:
    `error` in interface `org.apache.commons.logging.Log`

### fatal

    public final void fatal(java.lang.Object message)

  Specified by:
    `fatal` in interface `org.apache.commons.logging.Log`

### fatal

    public final void fatal(java.lang.Object message,
                            java.lang.Throwable t)

  Specified by:
    `fatal` in interface `org.apache.commons.logging.Log`

### log

    protected void log(int type,
                       java.lang.Object message,
                       java.lang.Throwable t)

  Do the actual logging. This method assembles the message and prints it to and then calls `write()` to cause it to be written.

  Parameters:
    `type` - One of the LOG_LEVEL_XXX constants defining the log level
    `message` - The message itself (typically a String)
    `t` - The exception whose stack trace should be logged

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