public ConsoleAppender() 
{

}

Constructs an unconfigured appender.

 public ConsoleAppender(Layout layout) 
{
    this(layout, SYSTEM_OUT);
}

Creates a configured appender.

Parameters:

layout - layout, may not be null.

 public ConsoleAppender(Layout layout,
    String target) 
{
    setLayout(layout);
    setTarget(target);
    activateOptions();
}

Creates a configured appender.

Parameters:

layout - layout, may not be null.

target - target, either "System.err" or "System.out".

 public  void activateOptions() 
{
        if (follow) {
            if (target.equals(SYSTEM_ERR)) {
               setWriter(createWriter(new SystemErrStream()));
            } else {
               setWriter(createWriter(new SystemOutStream()));
            }
        } else {
            if (target.equals(SYSTEM_ERR)) {
               setWriter(createWriter(System.err));
            } else {
               setWriter(createWriter(System.out));
            }
        }
        super.activateOptions();
}

Prepares the appender for use.

 protected final  void closeWriter() 
{
     if (follow) {
        super.closeWriter();
     }
}

{@inheritDoc}

 public final boolean getFollow() 
{
      return follow;
}

Gets whether the appender honors reassignments of System.out or System.err made after configuration.

 public String getTarget() 
{
    return target;
}

Returns the current value of the Target property. The default value of the option is "System.out". See also #setTarget .

 public final  void setFollow(boolean newValue) 
{
     follow = newValue;
}

Sets whether the appender honors reassignments of System.out or System.err made after configuration.

 public  void setTarget(String value) 
{
    String v = value.trim();
    if (SYSTEM_OUT.equalsIgnoreCase(v)) {
      target = SYSTEM_OUT;
    } else if (SYSTEM_ERR.equalsIgnoreCase(v)) {
      target = SYSTEM_ERR;
    } else {
      targetWarn(value);
    }
}

Sets the value of the Target option. Recognized values are "System.out" and "System.err". Any other value will be ignored.

  void targetWarn(String val) 
{
    LogLog.warn("["+val+"] should be System.out or System.err.");
    LogLog.warn("Using previously set target, System.out by default.");
}