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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
package ifc.util;
import com.sun.star.beans.XPropertySet;
import com.sun.star.container.XNameReplace;
import com.sun.star.util.XChangesBatch;
import com.sun.star.util.XChangesListener;
import com.sun.star.util.XChangesNotifier;
import lib.StatusException;
import lib.MultiMethodTest;
/**
* Test the XChangesNotifier interface. To produce some changes,
* XChangesBatch is used.
* @see com.sun.star.util.XChangesNotifier
* @see com.sun.star.util.XChangesBatch
*/
public class _XChangesNotifier extends MultiMethodTest {
public XChangesNotifier oObj = null;
private XChangesBatch xBatch = null;
private Object changeElement = null;
private Object originalElement = null;
private String elementName = null;
private XPropertySet xProp = null;
private XNameReplace xNameReplace = null;
private _XChangesNotifier.MyChangesListener xListener = null;
/**
* Own implementation of the XChangesListener interface
* @see com.sun.star.util.XChangesListener
*/
private static class MyChangesListener implements XChangesListener {
/** Just lo a call of the listener **/
boolean bChangesOccurred = false;
/** A change did occur
* @param changesEvent The event.
**/
public void changesOccurred(com.sun.star.util.ChangesEvent changesEvent) {
bChangesOccurred = true;
}
/** Disposing of the listener
* @param eventObject The event.
**/
public void disposing(com.sun.star.lang.EventObject eventObject) {
bChangesOccurred = true;
}
/**
* Reset the listener
*/
public void reset() {
bChangesOccurred = false;
}
/**
* Has the listener been called?
* @return True, if the listener has been called.
*/
public boolean didChangesOccur() {
return bChangesOccurred;
}
}
/**
* Before the test: get the 'XChangesNotifier.ChangesBatch' object relation
* and create the listener.
*/
protected void before() {
xBatch = (XChangesBatch)tEnv.getObjRelation("XChangesNotifier.ChangesBatch");
changeElement = tEnv.getObjRelation("XChangesNotifier.ChangeElement");
originalElement = tEnv.getObjRelation("XChangesNotifier.OriginalElement");
elementName = (String)tEnv.getObjRelation("XChangesNotifier.PropertyName");
xProp = (XPropertySet)tEnv.getObjRelation("XChangesNotifier.PropertySet");
try {
if (originalElement == null && xProp != null)
originalElement = xProp.getPropertyValue(elementName);
}
catch(com.sun.star.uno.Exception e) {
throw new StatusException("Could not get property '" + elementName + "'.", e);
}
// or get an XNameReplace
xNameReplace = (XNameReplace)tEnv.getObjRelation("XChangesNotifier.NameReplace");
try {
if (originalElement == null && xNameReplace != null)
originalElement = xNameReplace.getByName(elementName);
}
catch(com.sun.star.uno.Exception e) {
throw new StatusException("Could not get element by name '" + elementName + "'.", e);
}
if (changeElement == null || originalElement == null || elementName == null || (xProp == null && xNameReplace == null) || xBatch == null) {
log.println(
changeElement == null?"Missing property 'XChangesNotifier.ChangeElement'\n":"" +
originalElement == null?"Missing property 'XChangesNotifier.OriginalElement'\n":"" +
elementName == null?"Missing property 'XChangesNotifier.PropertyName'\n":"" +
xProp == null?"Missing property 'XChangesNotifier.PropertySet'":"" +
xNameReplace == null?"Missing property 'XChangesNotifier.NameReplace'":"" +
xBatch == null?"Missing property 'XChangesNotifier.ChangesBatch'":""
);
throw new StatusException("Some needed object relations are missing.", new Exception());
}
xListener = new _XChangesNotifier.MyChangesListener();
}
/** test addChangesListener **/
public void _addChangesListener() {
oObj.addChangesListener(xListener);
tRes.tested("addChangesListener()", true);
}
/** test removeChangesListener **/
public void _removeChangesListener() {
requiredMethod("addChangesListener()");
boolean result = true;
result &= commitChanges();
result &= xListener.didChangesOccur();
if (!result)
log.println("Listener has not been called.");
oObj.removeChangesListener(xListener);
xListener.reset();
result &= redoChanges();
boolean result2 = xListener.didChangesOccur();
if (result2)
log.println("Removed listener has been called.");
tRes.tested("removeChangesListener()", result && !result2);
}
/**
* Commit a change, using an implementation of the XChangesBatch interface.
* @return true, if changing worked.
*/
private boolean commitChanges() {
if (!executeChange(changeElement)) return false;
if (!xBatch.hasPendingChanges()) return false;
try {
xBatch.commitChanges();
}
catch(com.sun.star.lang.WrappedTargetException e) {
e.printStackTrace(log);
return false;
}
return true;
}
/**
* Redo the change, using an implementation of the XChangesBatch interface.
* @return true, if changing worked.
*/
private boolean redoChanges() {
if (!executeChange(originalElement)) return false;
if (!xBatch.hasPendingChanges()) return false;
try {
xBatch.commitChanges();
}
catch(com.sun.star.lang.WrappedTargetException e) {
e.printStackTrace(log);
return false;
}
return true;
}
/**
* Execute the change, use XPropertySet or XNameReplace
* @return False, if changing did throw an exception.
*/
private boolean executeChange(Object element) throws StatusException {
if (xProp != null) {
try {
xProp.setPropertyValue(elementName, element);
}
catch(com.sun.star.uno.Exception e) {
e.printStackTrace(log);
return false;
}
}
else if (xNameReplace != null) {
try {
xNameReplace.replaceByName(elementName, element);
}
catch(com.sun.star.uno.Exception e) {
e.printStackTrace(log);
return false;
}
}
return true;
}
}
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