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/*******************************************************************************
* Copyright (c) 2007 Intel Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Intel Corporation - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.core.settings.model;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.settings.model.ICConfigurationDescription;
import org.eclipse.cdt.core.settings.model.ICExclusionPatternPathEntry;
import org.eclipse.cdt.core.settings.model.ICProjectDescription;
import org.eclipse.cdt.core.settings.model.ICResourceDescription;
import org.eclipse.cdt.core.settings.model.ICSourceEntry;
import org.eclipse.cdt.core.settings.model.WriteAccessException;
import org.eclipse.cdt.core.settings.model.util.CDataUtil;
import org.eclipse.cdt.core.settings.model.util.ResourceChangeHandlerBase;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.ISaveContext;
import org.eclipse.core.resources.ISaveParticipant;
import org.eclipse.core.resources.IWorkspaceRunnable;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
public class ResourceChangeHandler extends ResourceChangeHandlerBase implements ISaveParticipant {
CProjectDescriptionManager fMngr = CProjectDescriptionManager.getInstance();
class RcMoveHandler implements IResourceMoveHandler {
Map fProjDesMap = new HashMap();
Set fRemovedProjSet = new HashSet();
public void handleProjectClose(IProject project) {
fMngr.setLoaddedDescription(project, null, true);
}
private ICExclusionPatternPathEntry[] checkMove(IPath fromFullPath, IPath toFullPath, ICExclusionPatternPathEntry[] entries){
boolean modified = false;
for(int k = 0; k < entries.length; k++){
if(entries[k].getFullPath().equals(fromFullPath)){
ICExclusionPatternPathEntry entry = entries[k];
entries[k] = (ICExclusionPatternPathEntry)CDataUtil.createEntry(entry.getKind(), toFullPath.toString(), null, entry.getExclusionPatterns(), entry.getFlags());
modified = true;
}
}
return modified ? entries : null;
}
public boolean handleResourceMove(IResource fromRc, IResource toRc) {
boolean proceed = true;
IProject fromProject = fromRc.getProject();
IProject toProject = toRc.getProject();
switch(toRc.getType()){
case IResource.PROJECT:{
ICProjectDescription des = getProjectDescription(fromProject, false);
fRemovedProjSet.add(fromProject);
if(des != null){
((CProjectDescription)des).updateProject(toProject);
synchronized (fMngr) {
fMngr.setLoaddedDescription(fromProject, null, true);
fMngr.setLoaddedDescription(toProject, des, true);
}
fProjDesMap.put(toProject, des);
ICConfigurationDescription[] cfgs = des.getConfigurations();
for(int i = 0; i < cfgs.length; i++){
cfgs[i].getConfigurationData();
}
}
}
break;
case IResource.FOLDER:{
IPath fromFullPath = fromRc.getFullPath();
IPath toFullPath = toRc.getFullPath();
if(toFullPath.equals(fromFullPath))
break;
if(!toProject.equals(fromProject))
break;
ICProjectDescription des = getProjectDescription(toProject, true);
if(des != null){
ICConfigurationDescription cfgDess[] = des.getConfigurations();
for(int i = 0; i < cfgDess.length; i++){
ICConfigurationDescription cfg = cfgDess[i];
ICExclusionPatternPathEntry entries[] = cfg.getSourceEntries();
entries = checkMove(fromFullPath, toFullPath, entries);
if(entries != null){
try {
cfg.setSourceEntries((ICSourceEntry[])entries);
} catch (WriteAccessException e) {
CCorePlugin.log(e);
} catch (CoreException e) {
CCorePlugin.log(e);
}
}
//don't do anything about output entries ICBuildSetting bs = cfg.getBuildSetting();
// if(bs != null){
// entries = bs.getOutputDirectories();
// entries = checkMove(fromFullPath, toFullPath, entries);
// if(entries != null){
// bs.setOutputDirectories((ICOutputEntry[])entries);
// }
// }
}
}
//do not break.. proceed with rc description move
}
case IResource.FILE:{
IPath fromRcProjPath = fromRc.getProjectRelativePath();
IPath toRcProjPath = toRc.getProjectRelativePath();
if(toRcProjPath.equals(fromRcProjPath))
break;
if(!toProject.equals(fromProject))
break;
ICProjectDescription des = getProjectDescription(toProject, true);
if(des != null){
ICConfigurationDescription cfgDess[] = des.getConfigurations();
for(int i = 0; i < cfgDess.length; i++){
ICResourceDescription rcDescription = cfgDess[i].getResourceDescription(fromRcProjPath, true);
if(rcDescription != null){
try {
rcDescription.setPath(toRcProjPath);
} catch (WriteAccessException e) {
// } catch (CoreException e) {
}
}
}
}
break;
}
}
return proceed;
}
private ICProjectDescription getProjectDescription(IResource rc, boolean load){
IProject project = rc.getProject();
ICProjectDescription des = (ICProjectDescription)fProjDesMap.get(project);
if(des == null && !fProjDesMap.containsKey(project)){
int flags = load ? 0 : CProjectDescriptionManager.GET_IF_LOADDED;
flags |= CProjectDescriptionManager.INTERNAL_GET_IGNORE_CLOSE;
flags |= CProjectDescriptionManager.GET_WRITABLE;
des = fMngr.getProjectDescription(project, flags);
if(des != null)
fProjDesMap.put(project, des);
}
return des;
}
private void setProjectDescription(IProject project, ICProjectDescription des){
fProjDesMap.put(project, des);
}
private List checkRemove(IPath rcFullPath, ICExclusionPatternPathEntry[] entries){
List updatedList = null;
int num = 0;
for(int k = 0; k < entries.length; k++){
if(entries[k].getFullPath().equals(rcFullPath)){
if(updatedList == null){
updatedList = new ArrayList(Arrays.asList(entries));
}
updatedList.remove(num);
} else {
num++;
}
}
return updatedList;
}
public boolean handleResourceRemove(IResource rc) {
boolean proceed = true;
IProject project = rc.getProject();
switch(rc.getType()){
case IResource.PROJECT:
fMngr.setLoaddedDescription(project, null, true);
fRemovedProjSet.add(project);
proceed = false;
break;
case IResource.FOLDER:
if(project.exists()){
ICProjectDescription des = getProjectDescription(project, true);
if(des != null){
IPath rcFullPath = rc.getFullPath();
ICConfigurationDescription cfgDess[] = des.getConfigurations();
for(int i = 0; i < cfgDess.length; i++){
ICConfigurationDescription cfg = cfgDess[i];
ICExclusionPatternPathEntry[] entries = cfg.getSourceEntries();
List updatedList = checkRemove(rcFullPath, entries);
if(updatedList != null){
try {
cfg.setSourceEntries((ICSourceEntry[])updatedList.toArray(new ICSourceEntry[updatedList.size()]));
} catch (WriteAccessException e) {
CCorePlugin.log(e);
} catch (CoreException e) {
CCorePlugin.log(e);
}
}
//don't do anything about output entries ICBuildSetting bs = cfg.getBuildSetting();
// if(bs != null){
// entries = bs.getOutputDirectories();
// updatedList = checkRemove(rcFullPath, entries);
// if(updatedList != null){
// bs.setOutputDirectories((ICOutputEntry[])updatedList.toArray(new ICOutputEntry[updatedList.size()]));
// }
// }
}
}
}
//do not break.. proceed with rc description remove
case IResource.FILE:
if(project.exists()){
ICProjectDescription des = getProjectDescription(project, true);
if(des != null){
IPath rcProjPath = rc.getProjectRelativePath();
ICConfigurationDescription cfgDess[] = des.getConfigurations();
for(int i = 0; i < cfgDess.length; i++){
ICResourceDescription rcDescription = cfgDess[i].getResourceDescription(rcProjPath, true);
if(rcDescription != null){
try {
cfgDess[i].removeResourceDescription(rcDescription);
} catch (WriteAccessException e) {
} catch (CoreException e) {
}
}
}
}
}
break;
}
return proceed;
}
public void done() {
for(Iterator iter = fProjDesMap.entrySet().iterator(); iter.hasNext();){
Map.Entry entry = (Map.Entry)iter.next();
if(fRemovedProjSet.contains(entry.getKey())){
iter.remove();
} else {
ICProjectDescription des = (ICProjectDescription)entry.getValue();
if(des != null && !des.isModified())
iter.remove();
}
}
if(fProjDesMap.size() != 0){
fMngr.runWspModification(new IWorkspaceRunnable(){
public void run(IProgressMonitor monitor) throws CoreException {
for(Iterator iter = fProjDesMap.entrySet().iterator(); iter.hasNext();){
Map.Entry entry = (Map.Entry)iter.next();
IProject project = (IProject)entry.getKey();
if(!project.isOpen())
continue;
ICProjectDescription des = (ICProjectDescription)entry.getValue();
try {
fMngr.setProjectDescription(project, des);
} catch (CoreException e) {
CCorePlugin.log(e);
}
}
}
}, new NullProgressMonitor());
}
}
}
protected IResourceMoveHandler createResourceMoveHandler(
IResourceChangeEvent event) {
return new RcMoveHandler();
}
/*
* I S a v e P a r t i c i p a n t
*/
/* (non-Javadoc)
* @see org.eclipse.core.resources.ISaveParticipant#saving(org.eclipse.core.resources.ISaveContext)
*/
public void saving(ISaveContext context) throws CoreException {
//Request a resource delta to be used on next activation.
context.needDelta();
}
/* (non-Javadoc)
* @see org.eclipse.core.resources.ISaveParticipant#doneSaving(org.eclipse.core.resources.ISaveContext)
*/
public void doneSaving(ISaveContext context) {
}
/* (non-Javadoc)
* @see org.eclipse.core.resources.ISaveParticipant#prepareToSave(org.eclipse.core.resources.ISaveContext)
*/
public void prepareToSave(ISaveContext context) throws CoreException {
}
/* (non-Javadoc)
* @see org.eclipse.core.resources.ISaveParticipant#rollback(org.eclipse.core.resources.ISaveContext)
*/
public void rollback(ISaveContext context) {
}
protected void doHahdleResourceMove(IResourceChangeEvent event,
IResourceMoveHandler handler) {
switch(event.getType()){
case IResourceChangeEvent.POST_CHANGE:
IResourceDelta delta = event.getDelta();
if(delta != null){
IResourceDelta projs[] = delta.getAffectedChildren();
for(int i = 0; i < projs.length; i++){
IResourceDelta projDelta = projs[i];
if(!shouldVisit((IProject)projDelta.getResource()))
continue;
IResourceDelta children[] = projDelta.getAffectedChildren();
for(int k = 0; k < children.length; k++){
IResourceDelta child = children[k];
IResource rc = child.getResource();
if(rc.getType() != IResource.FILE)
continue;
if(!CProjectDescriptionManager.STORAGE_FILE_NAME.equals(rc.getName()))
continue;
//the .cproject file is changed
try {
CProjectDescription des = CProjectDescriptionManager.getInstance().checkExternalProjectFileModification(rc);
if(des != null){
((RcMoveHandler)handler).setProjectDescription(rc.getProject(), des);
}
} catch (CoreException e) {
CCorePlugin.log(e);
//project file does not exist or corrupted, remove
((RcMoveHandler)handler).setProjectDescription(rc.getProject(), null);
}
}
}
}
break;
}
super.doHahdleResourceMove(event, handler);
}
}
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