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/*
* $Id: TraceManager.java,v 1.8 2004/11/07 13:47:05 obecker Exp $
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is: this file
*
* The Initial Developer of the Original Code is Anatolij Zubow.
*
* Portions created by ______________________
* are Copyright (C) ______ _______________________.
* All Rights Reserved.
*
* Contributor(s): Oliver Becker.
*/
package net.sf.joost.trace;
import java.util.Vector;
import net.sf.joost.instruction.AbstractInstruction;
import net.sf.joost.stx.SAXEvent;
import net.sf.joost.trax.TransformerImpl;
/**
* This class manages a collection of {@link TraceListener}, and acts as an
* interface for the tracing functionality in Joost.
* @version $Revision: 1.8 $ $Date: 2004/11/07 13:47:05 $
* @author Zubow
*/
public class TraceManager {
/**
* Collection of registered listeners (must be synchronized).
*/
private Vector traceListeners = null;
/**
* Default constructor for the tracemanager.
*/
public TraceManager() {}
/**
* Check if tracelisteners are available.
*
* @return True if there are registered tracelisteners
*/
public boolean hasTraceListeners() {
return (traceListeners != null);
}
/**
* Add a tracelistener (debugging and profiling).
* @param newTraceListener A tracelistener to be added.
*/
public void addTraceListener(TraceListener newTraceListener) {
// set Joost-Transformer in debug-mode
TransformerImpl.DEBUG_MODE = true;
if (traceListeners == null) {
traceListeners = new Vector();
}
// add new tracelistener
traceListeners.addElement(newTraceListener);
}
/**
* Remove a tracelistener.
* @param oldTraceListener A tracelistener to be removed.
*/
public void removeTraceListener(TraceListener oldTraceListener) {
if (traceListeners != null) {
// remove the given tracelistener from tracemanager
traceListeners.removeElement(oldTraceListener);
}
}
// ----------------------------------------------------------------------
// Callback methods
// ----------------------------------------------------------------------
// ----------------------------------------------------------------------
// Information about the source document
// ----------------------------------------------------------------------
/**
* Fire a start processing event (open).
*/
public void fireStartSourceDocument() {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.startSourceDocument();
}
}
}
/**
* Fire at the end of processing (close).
*/
public void fireEndSourceDocument() {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.endSourceDocument();
}
}
}
/**
* Fire if a startelement event of the source gets processed.
*/
public void fireStartSourceElement(SAXEvent saxevent) {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.startSourceElement(saxevent);
}
}
}
/**
* Fire after a node of the source tree got processed.
*/
public void fireEndSourceElement(SAXEvent saxevent) {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.endSourceElement(saxevent);
}
}
}
/**
* Fire when a text event of the source was received.
*/
public void fireSourceText(SAXEvent saxevent) {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.sourceText(saxevent);
}
}
}
/**
* Fire when a PI-Event of the source was received.
*/
public void fireSourcePI(SAXEvent saxevent) {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.sourcePI(saxevent);
}
}
}
/**
* Called when a namespace mapping event of the source was received.
*/
public void fireSourceMapping(SAXEvent saxevent) {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.sourceMapping(saxevent);
}
}
}
/**
* Called when a comment event of the source was received.
*/
public void fireSourceComment(SAXEvent saxevent) {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.sourceComment(saxevent);
}
}
}
// ----------------------------------------------------------------------
// Information about instructions of the transformation sheet
// ----------------------------------------------------------------------
/**
* Fire when an element of the stylesheet gets processed.
*/
public void fireEnterInstructionNode(AbstractInstruction inst, SAXEvent event) {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.enterInstructionNode(inst, event);
}
}
}
/**
* Fire after an element of the stylesheet got processed.
*/
public void fireLeaveInstructionNode(AbstractInstruction inst, SAXEvent event) {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.leaveInstructionNode(inst, event);
}
}
}
// ----------------------------------------------------------------------
// Information about emitter events
// ----------------------------------------------------------------------
/**
* Indicates the begin of the result document.
*/
public void fireStartResultDocument() {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.startResultDocument();
}
}
}
/**
* Indicates the end of the result document.
*/
public void fireEndResultDocument() {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.endResultDocument();
}
}
}
/**
* Indicates the start of an element of the result document.
*/
public void fireStartResultElement(SAXEvent saxevent) {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.startResultElement(saxevent);
}
}
}
/**
* Indicates the start of an element of the result document.
*/
public void fireEndResultElement(SAXEvent saxevent) {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.endResultElement(saxevent);
}
}
}
/**
* Indicates the text event of the result document.
*/
public void fireResultText(SAXEvent saxevent) {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.resultText(saxevent);
}
}
}
/**
* Indicates the PI event of the result document.
*/
public void fireResultPI(SAXEvent saxevent) {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.resultPI(saxevent);
}
}
}
/**
* Indicates the comment event of the result document.
*/
public void fireResultComment(SAXEvent saxevent) {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.resultComment(saxevent);
}
}
}
/**
* Indicates the start CDATA event of the result document.
*/
public void fireStartResultCDATA() {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.startResultCDATA();
}
}
}
/**
* Indicates the end CDATA event of the result document.
*/
public void fireEndResultCDATA() {
if (hasTraceListeners()) {
// count of registered tracelisteners
int countListener = traceListeners.size();
for (int i = 0; i < countListener; i++) {
TraceListener currentListener =
(TraceListener) traceListeners.elementAt(i);
// call the according method on tracelistener
currentListener.endResultCDATA();
}
}
}
}
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