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https://github.com/eclipse-cdt/cdt
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New file to test C Element deltas.
This commit is contained in:
Alain Magloire
parent
1bf9f48b73
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d2ae8c698b
1 changed files with 245 additions and 0 deletions
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package org.eclipse.cdt.core.model.tests;
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/**********************************************************************
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* Copyright (c) 2002,2003 Rational Software Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Common Public License v0.5
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/cpl-v05.html
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*
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* Contributors:
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* Rational Software - Initial API and implementation
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***********************************************************************/
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import java.io.FileInputStream;
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import java.util.Iterator;
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import java.util.Vector;
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import junit.framework.Test;
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import junit.framework.TestCase;
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import junit.framework.TestSuite;
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import org.eclipse.cdt.core.CCorePlugin;
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import org.eclipse.cdt.core.model.CModelException;
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import org.eclipse.cdt.core.model.ElementChangedEvent;
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import org.eclipse.cdt.core.model.ICElement;
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import org.eclipse.cdt.core.model.ICElementDelta;
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import org.eclipse.cdt.core.model.ICProject;
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import org.eclipse.cdt.core.model.IElementChangedListener;
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import org.eclipse.cdt.core.model.ITranslationUnit;
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import org.eclipse.cdt.internal.core.model.CModelManager;
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import org.eclipse.cdt.internal.core.model.IBuffer;
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import org.eclipse.cdt.internal.core.model.IWorkingCopy;
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import org.eclipse.cdt.internal.core.model.TranslationUnit;
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import org.eclipse.cdt.testplugin.CProjectHelper;
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import org.eclipse.cdt.testplugin.TestPluginLauncher;
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import org.eclipse.core.resources.IFile;
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import org.eclipse.core.runtime.CoreException;
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import org.eclipse.core.runtime.NullProgressMonitor;
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import org.eclipse.core.runtime.Path;
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/**
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* Class for testing the C Element Delta Builder.
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*/
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public class ElementDeltaTests extends TestCase implements IElementChangedListener {
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private ICProject fCProject;
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private IFile headerFile;
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private NullProgressMonitor monitor;
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private Vector addedElements;
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private Vector removedElements;
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private Vector changedElements;
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public static void main(String[] args) {
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TestPluginLauncher.run(TestPluginLauncher.getLocationFromProperties(), WorkingCopyTests.class, args);
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}
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public static Test suite() {
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TestSuite suite= new TestSuite();
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suite.addTest(new ElementDeltaTests("testElementDeltas"));
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return suite;
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}
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public ElementDeltaTests(String name) {
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super(name);
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}
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protected void setUp() throws Exception {
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monitor = new NullProgressMonitor();
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String pluginRoot=org.eclipse.core.runtime.Platform.getPlugin("org.eclipse.cdt.ui.tests").find(new Path("/")).getFile();
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fCProject= CProjectHelper.createCProject("TestProject1", "bin");
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//Path filePath = new Path(ResourcesPlugin.getWorkspace().getRoot().getLocation().toString()+ fCProject.getPath().toString()+ "/WorkingCopyTest.h");
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headerFile = fCProject.getProject().getFile("WorkingCopyTest.h");
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if (!headerFile.exists()) {
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try{
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FileInputStream fileIn = new FileInputStream(pluginRoot+ "model/org/eclipse/cdt/core/model/tests/resources/cfiles/WorkingCopyTestStart.h");
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headerFile.create(fileIn,false, monitor);
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} catch (CoreException e) {
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e.printStackTrace();
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}
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}
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// register with the model manager to listen to delta changes
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CModelManager.getDefault().addElementChangedListener(this);
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addedElements = new Vector(10);
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removedElements = new Vector(10);
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changedElements = new Vector(100);
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CCorePlugin.getDefault().setUseNewParser(true);
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}
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protected void tearDown() throws Exception {
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CProjectHelper.delete(fCProject);
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}
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public void testElementDeltas() throws Exception {
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ITranslationUnit tu = new TranslationUnit(fCProject, headerFile);
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assertNotNull (tu);
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IWorkingCopy wc = tu.getWorkingCopy();
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assertNotNull (wc);
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assertNotNull (wc.getBuffer());
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assertTrue (wc.exists());
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// add the class Hello
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IBuffer wcBuf = wc.getBuffer();
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wcBuf.setContents ("\n class Hello{ \n};");
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wc.reconcile();
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wc.commit(true, monitor);
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assertAddedElement(ICElement.C_CLASS, "Hello");
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// add the field x
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wcBuf.setContents ("\n class Hello{\n int x; \n};");
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wc.reconcile();
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wc.commit(true, monitor);
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assertAddedElement(ICElement.C_FIELD, "x");
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// add the method setValue
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wcBuf.setContents ("\n class Hello{\n int x; \n void setValue(int val); \n};");
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wc.reconcile();
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wc.commit(true, monitor);
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assertAddedElement(ICElement.C_METHOD, "setValue");
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// rename x to y
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// this is not a change, this is add and remove
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wcBuf.setContents ("\n class Hello{\n int y; \n void setValue(int val); \n};");
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wc.reconcile();
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wc.commit(true, monitor);
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assertAddedElement(ICElement.C_FIELD, "y");
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assertRemovedElement(ICElement.C_FIELD, "x");
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// remove the method
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wcBuf.setContents ("\n class Hello{\n String y; \n};");
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wc.reconcile();
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wc.commit(true, monitor);
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assertRemovedElement(ICElement.C_METHOD, "setValue");
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// remove the field
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wcBuf.setContents ("\n class Hello{ \n};");
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wc.reconcile();
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wc.commit(true, monitor);
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assertRemovedElement(ICElement.C_FIELD, "y");
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// remove the class
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wcBuf.setContents ("");
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wc.reconcile();
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wc.commit(true, monitor);
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assertRemovedElement(ICElement.C_CLASS, "Hello");
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wc.destroy();
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assertFalse(wc.exists());
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}
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public void assertAddedElement(int elementType, String elementName){
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System.out.println("Printing Added List: ");
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if(!isElementInList(elementType, elementName, addedElements))
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fail("Element NOT found in Added list");
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}
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public void assertRemovedElement(int elementType, String elementName){
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System.out.println("Printing Removed List: ");
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if(!isElementInList(elementType, elementName, removedElements))
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fail("Element NOT found in Removed list");
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}
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public void assertChangedElement(int elementType, String elementName){
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System.out.println("Printing Changed List: ");
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if(!isElementInList(elementType, elementName, changedElements))
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fail("Element NOT found in Changed list");
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}
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public boolean isElementInList(int elementType, String elementName, Vector elementList) {
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boolean found = false;
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Iterator i = elementList.iterator();
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while( i.hasNext()){
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ICElement element = (ICElement)i.next();
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System.out.print("ElementName " + element.getElementName());
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System.out.println(" ElementType " + element.getElementType());
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if ((element.getElementName().equals(elementName)) &&
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(element.getElementType() == elementType)){
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// return true;
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// just to print the whole list
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found = true;
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}
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}
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//return false;
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return found;
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}
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public void elementChanged(ElementChangedEvent event){
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try {
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addedElements.clear();
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removedElements.clear();
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changedElements.clear();
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processDelta(event.getDelta());
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} catch(CModelException e) {
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}
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}
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protected void processDelta(ICElementDelta delta) throws CModelException {
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// check the delta elements
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int kind= delta.getKind();
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int flags= delta.getFlags();
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ICElement element= delta.getElement();
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System.out.print("Processing " + element);
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// handle open and closing of a solution or project
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if ((flags & ICElementDelta.F_CLOSED) != 0) {
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System.out.println(" Element Closed");
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}
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if ((flags & ICElementDelta.F_OPENED) != 0) {
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System.out.println(" Element Opened");
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}
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if (kind == ICElementDelta.REMOVED) {
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System.out.println(" Element Removed");
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removedElements.add(element);
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}
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if (kind == ICElementDelta.ADDED) {
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System.out.println(" Element Added");
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addedElements.add(element);
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}
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if (kind == ICElementDelta.CHANGED) {
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System.out.println(" Element Changed");
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changedElements.add(element);
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if (flags == ICElementDelta.F_MODIFIERS) {
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System.out.println(" Modifiers changed");
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}
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if (flags == ICElementDelta.F_CONTENT) {
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System.out.println(" Contents changed");
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}
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if (flags == ICElementDelta.F_CHILDREN) {
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System.out.println(" Children changed");
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}
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}
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ICElementDelta[] affectedChildren= delta.getAffectedChildren();
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for (int i= 0; i < affectedChildren.length; i++) {
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processDelta(affectedChildren[i]);
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}
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}
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}
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