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/*******************************************************************************
* Copyright (c) 2007, 2011 Intel Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Intel Corporation - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.managedbuilder.internal.buildmodel;
import java.io.File;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.settings.model.CProjectDescriptionEvent;
import org.eclipse.cdt.core.settings.model.ICDescriptionDelta;
import org.eclipse.cdt.core.settings.model.ICProjectDescriptionListener;
import org.eclipse.cdt.core.settings.model.util.ResourceChangeHandlerBase;
import org.eclipse.cdt.core.settings.model.util.ResourceChangeHandlerBase.IResourceMoveHandler;
import org.eclipse.cdt.managedbuilder.core.ManagedBuilderCorePlugin;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
public class BuildStateManager {
private static final String PREFS_LOCATION = "buildState"; //$NON-NLS-1$
private static BuildStateManager fInstance;
private EventListener fListener;
private class ResourceMoveHandler implements IResourceMoveHandler {
@Override
public void done() {
}
@Override
public void handleProjectClose(IProject project) {
}
@Override
public boolean handleResourceMove(IResource fromRc, IResource toRc) {
return doHandleResourceRemove(fromRc);
}
@Override
public boolean handleResourceRemove(IResource rc) {
return doHandleResourceRemove(rc);
}
private boolean doHandleResourceRemove(IResource rc){
switch(rc.getType()){
case IResource.PROJECT:
removeProjectInfo(rc.getProject());
return false;
case IResource.ROOT:
return true;
//TODO: handle files and folder [re]move
}
return false;
}
}
private class EventListener extends ResourceChangeHandlerBase implements ICProjectDescriptionListener {
@Override
public void resourceChanged(IResourceChangeEvent event) {
super.resourceChanged(event);
//TODO: may handle resource changes as well
}
@Override
public void handleEvent(CProjectDescriptionEvent event) {
switch(event.getEventType()){
case CProjectDescriptionEvent.APPLIED:
case CProjectDescriptionEvent.LOADED:
ICDescriptionDelta delta = event.getProjectDelta();
processAppliedDelta(event, delta);
break;
}
}
private void processAppliedDelta(CProjectDescriptionEvent event, ICDescriptionDelta delta){
if(delta == null)
return;
IProjectBuildState pbs = null;
boolean apply = false;
switch (delta.getDeltaKind()) {
case ICDescriptionDelta.REMOVED:
removeProjectInfo(event.getProject());
break;
case ICDescriptionDelta.CHANGED:
ICDescriptionDelta[] children = delta.getChildren();
for(int i = 0; i < children.length; i++){
if(children[i].getDeltaKind() == ICDescriptionDelta.REMOVED){
if(pbs == null){
pbs = getProjectBuildState(event.getProject());
String id = children[i].getSetting().getId();
IConfigurationBuildState cbs = pbs.getConfigurationBuildState(id, false);
if(cbs != null){
apply = true;
pbs.removeConfigurationBuildState(id);
}
}
}
}
break;
default:
break;
}
if(pbs != null && apply){
setProjectBuildState(event.getProject(), pbs);
}
}
@Override
protected IResourceMoveHandler createResourceMoveHandler(
IResourceChangeEvent event) {
return new ResourceMoveHandler();
}
}
private void removeProjectInfo(IProject project){
File f = getPrefsDir(project);
if(f.exists()){
File[] children = f.listFiles();
for(int i = 0; i < children.length; i++){
children[i].delete();
}
f.delete();
}
}
private BuildStateManager(){
}
public static BuildStateManager getInstance(){
if(fInstance == null)
fInstance = new BuildStateManager();
return fInstance;
}
public void startup(){
if(fListener == null){
fListener = new EventListener();
CoreModel.getDefault().getProjectDescriptionManager().addCProjectDescriptionListener(fListener, CProjectDescriptionEvent.APPLIED | CProjectDescriptionEvent.LOADED);
ResourcesPlugin.getWorkspace().addResourceChangeListener(fListener,
IResourceChangeEvent.POST_CHANGE
| IResourceChangeEvent.PRE_DELETE
| IResourceChangeEvent.PRE_CLOSE);
}
}
public void shutdown(){
if(fListener != null){
ResourcesPlugin.getWorkspace().removeResourceChangeListener(fListener);
CoreModel.getDefault().getProjectDescriptionManager().removeCProjectDescriptionListener(fListener);
}
}
public IProjectBuildState getProjectBuildState(IProject project){
return new ProjectBuildState(project);
}
public void setProjectBuildState(IProject project, IProjectBuildState state){
((ProjectBuildState)state).serialize();
}
private IPath getPrefsDirPath(){
IPath path = ManagedBuilderCorePlugin.getDefault().getStateLocation();
path = path.append(PREFS_LOCATION);
return path;
}
IPath getPrefsDirPath(IProject project){
IPath path = getPrefsDirPath();
path = path.append(project.getName());
return path;
}
private File getPrefsDir(IProject project){
IPath path = getPrefsDirPath(project);
File file = path.toFile();
// if(!file.exists())
// file.mkdirs();
return file;
}
}
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