sqlg2.db
Class Debug

java.lang.Object
  sqlg2.db.Debug

Direct Known Subclasses:

SimpleDebug, TraceDebug

public abstract class Debug
extends java.lang.Object

Debug output.

Field Summary

protected static java.io.PrintWriter	err
protected static java.io.PrintWriter	out

Constructor Summary

protected

Debug()

Method Summary

protected abstract void	close() Releases all resources (open files etc).
abstract void	doError(java.lang.String s) Outputs error message.
protected abstract java.io.PrintWriter	doGetWriter()
abstract void	doPrintStackTrace(java.lang.Throwable th) Outputs error stacktrace.
abstract void	doTrace(java.lang.String s) Outputs debug trace.
static void	error(java.lang.String s) Outputs error message.
static Debug	getDebug()
static java.io.PrintWriter	getWriter()
static void	printStackTrace(java.lang.Throwable th) Outputs error stacktrace.
static void	setDebug(Debug debug) Sets new debug output object.
static void	setStdStreams(java.io.PrintWriter out, java.io.PrintWriter err)
static void	trace(java.lang.String s) Debug trace.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

out

protected static java.io.PrintWriter out

err

protected static java.io.PrintWriter err

Constructor Detail

Debug

protected Debug()

Method Detail

getDebug

public static Debug getDebug()

setStdStreams

public static void setStdStreams(java.io.PrintWriter out,
                                 java.io.PrintWriter err)

setDebug

public static void setDebug(Debug debug)

Sets new debug output object.

trace

public static void trace(java.lang.String s)

Debug trace.

error

public static void error(java.lang.String s)

Outputs error message.

printStackTrace

public static void printStackTrace(java.lang.Throwable th)

Outputs error stacktrace.

getWriter

public static java.io.PrintWriter getWriter()

doTrace

public abstract void doTrace(java.lang.String s)

Outputs debug trace.

doError

public abstract void doError(java.lang.String s)

Outputs error message.

doPrintStackTrace

public abstract void doPrintStackTrace(java.lang.Throwable th)

Outputs error stacktrace.

doGetWriter

protected abstract java.io.PrintWriter doGetWriter()

close

protected abstract void close()

Releases all resources (open files etc).