Standard digester logger.
* This logs to System.out by default,
* or to a given PrintWriter.
*
*
This class allows compatibility with existing code. */ public class BaseDigesterLogger implements DigesterLogger { // --------------------------------------------------------- Constructors /** *
Base constructor.
*
*/
public BaseDigesterLogger() {}
/**
* Convenience constructor which calls {@link #setWriter}.
*/
public BaseDigesterLogger(PrintWriter writer)
{
this.writer=writer;
}
// --------------------------------------------------- Instance Variables
/**
* The PrintWriter to which we should send log output, or
* null to write to System.out.
*/
protected PrintWriter writer = null;
// ----------------------------------------------------------- Properties
/**
*
Return the current logging writer.
*
* If this is null, then logging will go to System.out.
*/
public PrintWriter getWriter() {
return (this.writer);
}
/**
* Return the current logging writer.
*
* @param writer The new PrintWriter, or null for
* System.out.
*/
public void setWriter(PrintWriter writer) {
this.writer = writer;
}
// ------------------------------------------------------ Logging Methods
/**
* Log a message to the associated log writer.
* If the current writer is null, send to System.out
*
* @param message The message to be logged
*/
public void log(String message) {
if (writer == null)
System.out.println(message);
else
writer.println(message);
}
/**
* Log a message to the associated log writer.
* If the current writer is null, send to System.out
*
* @param message The message to be logged
* @param exception The associated exception to be logged
*/
public void log(String message, Throwable exception) {
if (writer == null) {
System.out.println(message);
exception.printStackTrace(System.out);
} else {
writer.println(message);
exception.printStackTrace(writer);
}
}
}