/*******************************************************************************
* Copyright (c) 2000, 2006 IBM 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.core.internal.resources;
import java.net.URI;
import java.util.*;
import org.eclipse.core.filesystem.EFS;
import org.eclipse.core.filesystem.IFileStore;
import org.eclipse.core.internal.events.LifecycleEvent;
import org.eclipse.core.internal.utils.*;
import org.eclipse.core.resources.*;
import org.eclipse.core.resources.team.IMoveDeleteHook;
import org.eclipse.core.runtime.*;
import org.eclipse.core.runtime.content.IContentTypeMatcher;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.eclipse.osgi.util.NLS;
public class Project extends Container implements IProject {
protected Project(IPath path, Workspace container) {
super(path, container);
}
/*
* If the creation boolean is true then this method is being called on project creation.
* Otherwise it is being called via #setDescription. The difference is that we don't allow
* some description fields to change value after project creation. (e.g. project location)
*/
protected MultiStatus basicSetDescription(ProjectDescription description, int updateFlags) {
String message = Messages.resources_projectDesc;
MultiStatus result = new MultiStatus(ResourcesPlugin.PI_RESOURCES, IResourceStatus.FAILED_WRITE_METADATA, message, null);
ProjectDescription current = internalGetDescription();
current.setComment(description.getComment());
// set the build order before setting the references or the natures
current.setBuildSpec(description.getBuildSpec(true));
// set the references before the natures
boolean flushOrder = false;
IProject[] oldReferences = current.getReferencedProjects();
IProject[] newReferences = description.getReferencedProjects();
if (!Arrays.equals(oldReferences, newReferences)) {
current.setReferencedProjects(newReferences);
flushOrder = true;
}
oldReferences = current.getDynamicReferences();
newReferences = description.getDynamicReferences();
if (!Arrays.equals(oldReferences, newReferences)) {
current.setDynamicReferences(newReferences);
flushOrder = true;
}
if (flushOrder)
workspace.flushBuildOrder();
// the natures last as this may cause recursive calls to setDescription.
if ((updateFlags & IResource.AVOID_NATURE_CONFIG) == 0)
workspace.getNatureManager().configureNatures(this, current, description, result);
else
current.setNatureIds(description.getNatureIds(false));
return result;
}
/* (non-Javadoc)
* @see IProject#build(int, IProgressMonitor)
*/
public void build(int trigger, IProgressMonitor monitor) throws CoreException {
internalBuild(trigger, null, null, monitor);
}
/* (non-Javadoc)
* @see IProject#build(int, String, Map, IProgressMonitor)
*/
public void build(int trigger, String builderName, Map args, IProgressMonitor monitor) throws CoreException {
Assert.isNotNull(builderName);
internalBuild(trigger, builderName, args, monitor);
}
/**
* Checks that this resource is accessible. Typically this means that it
* exists. In the case of projects, they must also be open.
* If phantom is true, phantom resources are considered.
*
* @exception CoreException if this resource is not accessible
*/
public void checkAccessible(int flags) throws CoreException {
super.checkAccessible(flags);
if (!isOpen(flags)) {
String message = NLS.bind(Messages.resources_mustBeOpen, getFullPath());
throw new ResourceException(IResourceStatus.PROJECT_NOT_OPEN, getFullPath(), message, null);
}
}
/**
* Checks validity of the given project description.
*/
protected void checkDescription(IProject project, IProjectDescription desc, boolean moving) throws CoreException {
URI location = desc.getLocationURI();
if (location == null)
return;
String message = Messages.resources_invalidProjDesc;
MultiStatus status = new MultiStatus(ResourcesPlugin.PI_RESOURCES, IResourceStatus.INVALID_VALUE, message, null);
status.merge(workspace.validateName(desc.getName(), IResource.PROJECT));
if (moving) {
// if we got here from a move call then we should check the location in the description since
// its possible that we want to do a rename without moving the contents. (and we shouldn't
// throw an Overlapping mapping exception in this case) So if the source description's location
// is null (we are using the default) or if the locations aren't equal, then validate the location
// of the new description. Otherwise both locations aren't null and they are equal so ignore validation.
URI sourceLocation = internalGetDescription().getLocationURI();
if (sourceLocation == null || !sourceLocation.equals(location))
status.merge(workspace.validateProjectLocationURI(project, location));
} else
// otherwise continue on like before
status.merge(workspace.validateProjectLocationURI(project, location));
if (!status.isOK())
throw new ResourceException(status);
}
/* (non-Javadoc)
* @see IProject#close(IProgressMonitor)
*/
public void close(IProgressMonitor monitor) throws CoreException {
monitor = Policy.monitorFor(monitor);
try {
String msg = NLS.bind(Messages.resources_closing_1, getName());
monitor.beginTask(msg, Policy.totalWork);
final ISchedulingRule rule = workspace.getRuleFactory().modifyRule(this);
try {
// Do this before the prepare to allow lifecycle participants to change the tree.
workspace.broadcastEvent(LifecycleEvent.newEvent(LifecycleEvent.PRE_PROJECT_CLOSE, this));
workspace.prepareOperation(rule, monitor);
ResourceInfo info = getResourceInfo(false, false);
int flags = getFlags(info);
checkExists(flags, true);
monitor.subTask(msg);
if (!isOpen(flags))
return;
// Signal that this resource is about to be closed. Do this at the very
// beginning so that infrastructure pieces have a chance to do clean up
// while the resources still exist.
workspace.beginOperation(true);
// flush the build order early in case there is a problem
workspace.flushBuildOrder();
IProgressMonitor sub = Policy.subMonitorFor(monitor, Policy.opWork / 2, SubProgressMonitor.SUPPRESS_SUBTASK_LABEL);
IStatus saveStatus = workspace.getSaveManager().save(ISaveContext.PROJECT_SAVE, this, sub);
internalClose();
monitor.worked(Policy.opWork / 2);
if (saveStatus != null && !saveStatus.isOK())
throw new ResourceException(saveStatus);
} catch (OperationCanceledException e) {
workspace.getWorkManager().operationCanceled();
throw e;
} finally {
workspace.endOperation(rule, true, Policy.subMonitorFor(monitor, Policy.endOpWork));
}
} finally {
monitor.done();
}
}
/* (non-Javadoc)
* @see IResource#copy(IPath, int, IProgressMonitor)
*/
public void copy(IPath destination, int updateFlags, IProgressMonitor monitor) throws CoreException {
// FIXME - the logic here for copying projects needs to be moved to Resource.copy
// so that IResource.copy(IPath,int,IProgressMonitor) works properly for
// projects and honours all update flags
monitor = Policy.monitorFor(monitor);
if (destination.segmentCount() == 1) {
// copy project to project
String projectName = destination.segment(0);
IProjectDescription desc = getDescription();
desc.setName(projectName);
desc.setLocation(null);
internalCopy(desc, updateFlags, monitor);
} else {
// will fail since we're trying to copy a project to a non-project
checkCopyRequirements(destination, IResource.PROJECT, updateFlags);
}
}
/* (non-Javadoc)
* @see IResource#copy(IProjectDescription, int, IProgressMonitor)
*/
public void copy(IProjectDescription destination, int updateFlags, IProgressMonitor monitor) throws CoreException {
// FIXME - the logic here for copying projects needs to be moved to Resource.copy
// so that IResource.copy(IProjectDescription,int,IProgressMonitor) works properly for
// projects and honours all update flags
Assert.isNotNull(destination);
internalCopy(destination, updateFlags, monitor);
}
protected void copyMetaArea(IProject source, IProject destination, IProgressMonitor monitor) throws CoreException {
IFileStore oldMetaArea = EFS.getFileSystem(EFS.SCHEME_FILE).getStore(workspace.getMetaArea().locationFor(source));
IFileStore newMetaArea = EFS.getFileSystem(EFS.SCHEME_FILE).getStore(workspace.getMetaArea().locationFor(destination));
oldMetaArea.copy(newMetaArea, EFS.NONE, monitor);
}
/* (non-Javadoc)
* @see IProject#create(IProgressMonitor)
*/
public void create(IProgressMonitor monitor) throws CoreException {
create(null, monitor);
}
/* (non-Javadoc)
* @see IProject#create(IProjectDescription, IProgressMonitor)
*/
public void create(IProjectDescription description, IProgressMonitor monitor) throws CoreException {
monitor = Policy.monitorFor(monitor);
try {
monitor.beginTask(Messages.resources_create, Policy.totalWork);
checkValidPath(path, PROJECT, false);
final ISchedulingRule rule = workspace.getRuleFactory().createRule(this);
try {
workspace.prepareOperation(rule, monitor);
checkDoesNotExist();
if (description != null)
checkDescription(this, description, false);
workspace.broadcastEvent(LifecycleEvent.newEvent(LifecycleEvent.PRE_PROJECT_CREATE, this));
workspace.beginOperation(true);
workspace.createResource(this, false);
workspace.getMetaArea().create(this);
ProjectInfo info = (ProjectInfo) getResourceInfo(false, true);
// setup description to obtain project location
ProjectDescription desc;
if (description == null) {
desc = new ProjectDescription();
} else {
desc = (ProjectDescription) ((ProjectDescription) description).clone();
desc.setLocationURI(FileUtil.canonicalURI(description.getLocationURI()));
}
desc.setName(getName());
internalSetDescription(desc, false);
// see if there potentially are already contents on disk
final boolean hasSavedDescription = getLocalManager().hasSavedDescription(this);
boolean hasContent = hasSavedDescription;
//if there is no project description, there might still be content on disk
if (!hasSavedDescription)
hasContent = getLocalManager().hasSavedContent(this);
try {
// look for a description on disk
if (hasSavedDescription) {
updateDescription();
//make sure the .location file is written
workspace.getMetaArea().writePrivateDescription(this);
} else {
//write out the project
writeDescription(IResource.FORCE);
}
} catch (CoreException e) {
workspace.deleteResource(this);
throw e;
}
// inaccessible projects have a null modification stamp.
// set this after setting the description as #setDescription
// updates the stamp
info.clearModificationStamp();
//if a project already had content on disk, mark the project as having unknown children
if (hasContent)
info.set(ICoreConstants.M_CHILDREN_UNKNOWN);
workspace.getSaveManager().requestSnapshot();
} catch (OperationCanceledException e) {
workspace.getWorkManager().operationCanceled();
throw e;
} finally {
workspace.endOperation(rule, true, Policy.subMonitorFor(monitor, Policy.endOpWork));
}
} finally {
monitor.done();
}
}
/* (non-Javadoc)
* @see IProject#delete(boolean, boolean, IProgressMonitor)
*/
public void delete(boolean deleteContent, boolean force, IProgressMonitor monitor) throws CoreException {
int updateFlags = force ? IResource.FORCE : IResource.NONE;
updateFlags |= deleteContent ? IResource.ALWAYS_DELETE_PROJECT_CONTENT : IResource.NEVER_DELETE_PROJECT_CONTENT;
delete(updateFlags, monitor);
}
/* (non-Javadoc)
* @see IResource#delete(boolean, IProgressMonitor)
*/
public void delete(boolean force, IProgressMonitor monitor) throws CoreException {
int updateFlags = force ? IResource.FORCE : IResource.NONE;
delete(updateFlags, monitor);
}
public void deleteResource(boolean convertToPhantom, MultiStatus status) throws CoreException {
super.deleteResource(convertToPhantom, status);
// Delete the project metadata.
workspace.getMetaArea().delete(this);
// Clear the history store.
clearHistory(null);
}
protected void fixupAfterMoveSource() {
workspace.deleteResource(this);
}
/*
* (non-Javadoc)
* @see IProject#getContentTypeMatcher
*/
public IContentTypeMatcher getContentTypeMatcher() throws CoreException {
return workspace.getContentDescriptionManager().getContentTypeMatcher(this);
}
/* (non-Javadoc)
* @see IContainer#getDefaultCharset(boolean)
*/
public String getDefaultCharset(boolean checkImplicit) {
// non-existing resources default to parent's charset
if (!exists())
return checkImplicit ? ResourcesPlugin.getEncoding() : null;
return workspace.getCharsetManager().getCharsetFor(getFullPath(), checkImplicit);
}
/* (non-Javadoc)
* @see IProject#getDescription()
*/
public IProjectDescription getDescription() throws CoreException {
ResourceInfo info = getResourceInfo(false, false);
checkAccessible(getFlags(info));
ProjectDescription description = ((ProjectInfo) info).getDescription();
//if the project is currently in the middle of being created, the description might not be available yet
if (description == null)
checkAccessible(NULL_FLAG);
return (IProjectDescription) description.clone();
}
/* (non-Javadoc)
* @see IProject#getNature(String)
*/
public IProjectNature getNature(String natureID) throws CoreException {
// Has it already been initialized?
ProjectInfo info = (ProjectInfo) getResourceInfo(false, false);
checkAccessible(getFlags(info));
IProjectNature nature = info.getNature(natureID);
if (nature == null) {
// Not initialized yet. Does this project have the nature?
if (!hasNature(natureID))
return null;
nature = workspace.getNatureManager().createNature(this, natureID);
info.setNature(natureID, nature);
}
return nature;
}
/* (non-Javadoc)
* @see IResource#getParent()
*/
public IContainer getParent() {
return workspace.getRoot();
}
/** (non-Javadoc)
* @see IProject#getPluginWorkingLocation(IPluginDescriptor)
* @deprecated
*/
public IPath getPluginWorkingLocation(IPluginDescriptor plugin) {
if (plugin == null)
return null;
return getWorkingLocation(plugin.getUniqueIdentifier());
}
/* (non-Javadoc)
* @see IResource#getProject()
*/
public IProject getProject() {
return this;
}
/* (non-Javadoc)
* @see IResource#getProjectRelativePath()
*/
public IPath getProjectRelativePath() {
return Path.EMPTY;
}
/* (non-Javadoc)
* @see IResource#getRawLocation()
*/
public IPath getRawLocation() {
ProjectDescription description = internalGetDescription();
return description == null ? null : description.getLocation();
}
/* (non-Javadoc)
* @see IResource#getRawLocation()
*/
public URI getRawLocationURI() {
ProjectDescription description = internalGetDescription();
return description == null ? null : description.getLocationURI();
}
/* (non-Javadoc)
* @see IProject#getReferencedProjects()
*/
public IProject[] getReferencedProjects() throws CoreException {
ResourceInfo info = getResourceInfo(false, false);
checkAccessible(getFlags(info));
ProjectDescription description = ((ProjectInfo) info).getDescription();
//if the project is currently in the middle of being created, the description might not be available yet
if (description == null)
checkAccessible(NULL_FLAG);
return description.getAllReferences(true);
}
/* (non-Javadoc)
* @see IProject#getReferencingProjects()
*/
public IProject[] getReferencingProjects() {
IProject[] projects = workspace.getRoot().getProjects();
List result = new ArrayList(projects.length);
for (int i = 0; i < projects.length; i++) {
Project project = (Project) projects[i];
if (!project.isAccessible())
continue;
ProjectDescription description = project.internalGetDescription();
if (description == null)
continue;
IProject[] references = description.getAllReferences(false);
for (int j = 0; j < references.length; j++)
if (references[j].equals(this)) {
result.add(projects[i]);
break;
}
}
return (IProject[]) result.toArray(new IProject[result.size()]);
}
/* (non-Javadoc)
* @see IResource#getType()
*/
public int getType() {
return PROJECT;
}
/*
* (non-Javadoc)
* @see IProject#getWorkingLocation(String)
*/
public IPath getWorkingLocation(String id) {
if (id == null || !exists())
return null;
IPath result = workspace.getMetaArea().getWorkingLocation(this, id);
result.toFile().mkdirs();
return result;
}
/* (non-Javadoc)
* @see IProject#hasNature(String)
*/
public boolean hasNature(String natureID) throws CoreException {
checkAccessible(getFlags(getResourceInfo(false, false)));
// use #internal method to avoid copy but still throw an
// exception if the resource doesn't exist.
IProjectDescription desc = internalGetDescription();
if (desc == null)
checkAccessible(NULL_FLAG);
return desc.hasNature(natureID);
}
/**
* Implements all build methods on IProject.
*/
protected void internalBuild(int trigger, String builderName, Map args, IProgressMonitor monitor) throws CoreException {
monitor = Policy.monitorFor(monitor);
final ISchedulingRule rule = workspace.getRuleFactory().buildRule();
try {
monitor.beginTask("", Policy.opWork); //$NON-NLS-1$
try {
workspace.prepareOperation(rule, monitor);
ResourceInfo info = getResourceInfo(false, false);
int flags = getFlags(info);
if (!exists(flags, true) || !isOpen(flags))
return;
workspace.beginOperation(true);
workspace.aboutToBuild(this, trigger);
IStatus result;
try {
result = workspace.getBuildManager().build(this, trigger, builderName, args, Policy.subMonitorFor(monitor, Policy.opWork));
} finally {
//must fire POST_BUILD if PRE_BUILD has occurred
workspace.broadcastBuildEvent(this, IResourceChangeEvent.POST_BUILD, trigger);
}
if (!result.isOK())
throw new ResourceException(result);
} finally {
//building may close the tree, but we are still inside an operation so open it
if (workspace.getElementTree().isImmutable())
workspace.newWorkingTree();
workspace.endOperation(rule, false, Policy.subMonitorFor(monitor, Policy.endOpWork));
}
} finally {
monitor.done();
}
}
/**
* Closes the project. This is called during restore when there is a failure
* to read the project description. Since it is called during workspace restore,
* it cannot start any operations.
*/
protected void internalClose() throws CoreException {
workspace.flushBuildOrder();
getMarkerManager().removeMarkers(this, IResource.DEPTH_INFINITE);
// remove each member from the resource tree.
// DO NOT use resource.delete() as this will delete it from disk as well.
IResource[] members = members(IContainer.INCLUDE_PHANTOMS | IContainer.INCLUDE_TEAM_PRIVATE_MEMBERS);
for (int i = 0; i < members.length; i++) {
Resource member = (Resource) members[i];
workspace.deleteResource(member);
}
// finally mark the project as closed.
ResourceInfo info = getResourceInfo(false, true);
info.clear(M_OPEN);
info.clearSessionProperties();
info.clearModificationStamp();
info.setSyncInfo(null);
}
protected void internalCopy(IProjectDescription destDesc, int updateFlags, IProgressMonitor monitor) throws CoreException {
monitor = Policy.monitorFor(monitor);
try {
String message = NLS.bind(Messages.resources_copying, getFullPath());
monitor.beginTask(message, Policy.totalWork);
String destName = destDesc.getName();
IPath destPath = new Path(destName).makeAbsolute();
Project destination = (Project) workspace.getRoot().getProject(destName);
final ISchedulingRule rule = workspace.getRuleFactory().copyRule(this, destination);
try {
workspace.prepareOperation(rule, monitor);
// The following assert method throws CoreExceptions as stated in the IProject.copy API
// and assert for programming errors. See checkCopyRequirements for more information.
assertCopyRequirements(destPath, IResource.PROJECT, updateFlags);
checkDescription(destination, destDesc, false);
workspace.broadcastEvent(LifecycleEvent.newEvent(LifecycleEvent.PRE_PROJECT_COPY, this, destination, updateFlags));
workspace.beginOperation(true);
getLocalManager().refresh(this, DEPTH_INFINITE, true, Policy.subMonitorFor(monitor, Policy.opWork * 20 / 100));
// close the property store so incorrect info is not copied to the destination
getPropertyManager().closePropertyStore(this);
getLocalManager().getHistoryStore().closeHistoryStore(this);
// copy the meta area for the project
copyMetaArea(this, destination, Policy.subMonitorFor(monitor, Policy.opWork * 5 / 100));
// copy just the project and not its children yet (tree node, properties)
internalCopyProjectOnly(destination, Policy.subMonitorFor(monitor, Policy.opWork * 5 / 100));
// set the description
destination.internalSetDescription(destDesc, false);
//create the directory for the new project
destination.getStore().mkdir(EFS.NONE, Policy.subMonitorFor(monitor, Policy.opWork * 5 / 100));
// call super.copy for each child (excluding project description file)
//make it a best effort copy
message = Messages.resources_copyProblem;
MultiStatus problems = new MultiStatus(ResourcesPlugin.PI_RESOURCES, IResourceStatus.INTERNAL_ERROR, message, null);
IResource[] children = members(IContainer.INCLUDE_TEAM_PRIVATE_MEMBERS);
final int childCount = children.length;
final int childWork = childCount > 1 ? Policy.opWork * 50 / 100 / (childCount - 1) : 0;
for (int i = 0; i < childCount; i++) {
IResource child = children[i];
if (!isProjectDescriptionFile(child)) {
try {
child.copy(destPath.append(child.getName()), updateFlags, Policy.subMonitorFor(monitor, childWork));
} catch (CoreException e) {
problems.merge(e.getStatus());
}
}
}
// write out the new project description to the meta area
try {
destination.writeDescription(IResource.FORCE);
} catch (CoreException e) {
try {
destination.delete((updateFlags & IResource.FORCE) != 0, null);
} catch (CoreException e2) {
// ignore and rethrow the exception that got us here
}
throw e;
}
monitor.worked(Policy.opWork * 5 / 100);
// refresh local
monitor.subTask(Messages.resources_updating);
getLocalManager().refresh(destination, DEPTH_INFINITE, true, Policy.subMonitorFor(monitor, Policy.opWork * 10 / 100));
if (!problems.isOK())
throw new ResourceException(problems);
} catch (OperationCanceledException e) {
workspace.getWorkManager().operationCanceled();
throw e;
} finally {
workspace.endOperation(rule, true, Policy.subMonitorFor(monitor, Policy.endOpWork));
}
} finally {
monitor.done();
}
}
/*
* Copies just the project and no children. Does NOT copy the meta area.
*/
protected void internalCopyProjectOnly(IResource destination, IProgressMonitor monitor) throws CoreException {
// close the property store so bogus values aren't copied to the destination
getPropertyManager().closePropertyStore(this);
getLocalManager().getHistoryStore().closeHistoryStore(this);
// copy the tree and properties
workspace.copyTree(this, destination.getFullPath(), IResource.DEPTH_ZERO, IResource.NONE, false);
getPropertyManager().copy(this, destination, IResource.DEPTH_ZERO);
ProjectInfo info = (ProjectInfo) ((Resource) destination).getResourceInfo(false, true);
//clear properties, markers, and description for the new project, because they shouldn't be copied.
info.description = null;
info.natures = null;
info.setMarkers(null);
info.clearSessionProperties();
}
/**
* This is an internal helper method. This implementation is different from the API
* method getDescription(). This one does not check the project accessibility. It exists
* in order to prevent "chicken and egg" problems in places like the project creation.
* It may return null.
*/
public ProjectDescription internalGetDescription() {
ProjectInfo info = (ProjectInfo) getResourceInfo(false, false);
if (info == null)
return null;
return info.getDescription();
}
/**
* Sets this project's description to the given value. This is the body of the
* corresponding API method but is needed separately since it is used
* during workspace restore (i.e., when you cannot do an operation)
*/
void internalSetDescription(IProjectDescription value, boolean incrementContentId) {
ProjectInfo info = (ProjectInfo) getResourceInfo(false, true);
info.setDescription((ProjectDescription) value);
getLocalManager().setLocation(this, info, value.getLocationURI());
if (incrementContentId) {
info.incrementContentId();
//if the project is not accessible, stamp will be null and should remain null
if (info.getModificationStamp() != NULL_STAMP)
workspace.updateModificationStamp(info);
}
}
public void internalSetLocal(boolean flag, int depth) throws CoreException {
// do nothing for projects, but call for its children
if (depth == IResource.DEPTH_ZERO)
return;
if (depth == IResource.DEPTH_ONE)
depth = IResource.DEPTH_ZERO;
// get the children via the workspace since we know that this
// resource exists (it is local).
IResource[] children = getChildren(IResource.NONE);
for (int i = 0; i < children.length; i++)
((Resource) children[i]).internalSetLocal(flag, depth);
}
/* (non-Javadoc)
* @see IResource#isAccessible()
*/
public boolean isAccessible() {
return isOpen();
}
public boolean isLinked(int options) {
return false;//projects are never linked
}
/**
* @see IResource#isLocal(int)
* @deprecated
*/
public boolean isLocal(int depth) {
// the flags parameter is ignored for projects so pass anything
return isLocal(-1, depth);
}
/**
* @see IResource#isLocal(int)
* @deprecated
*/
public boolean isLocal(int flags, int depth) {
// don't check the flags....projects are always local
if (depth == DEPTH_ZERO)
return true;
if (depth == DEPTH_ONE)
depth = DEPTH_ZERO;
// get the children via the workspace since we know that this
// resource exists (it is local).
IResource[] children = getChildren(IResource.NONE);
for (int i = 0; i < children.length; i++)
if (!children[i].isLocal(depth))
return false;
return true;
}
/* (non-Javadoc)
* @see IProject#isNatureEnabled(String)
*/
public boolean isNatureEnabled(String natureId) throws CoreException {
checkAccessible(getFlags(getResourceInfo(false, false)));
return workspace.getNatureManager().isNatureEnabled(this, natureId);
}
/* (non-Javadoc)
* @see IProject#isOpen()
*/
public boolean isOpen() {
ResourceInfo info = getResourceInfo(false, false);
return isOpen(getFlags(info));
}
/* (non-Javadoc)
* @see IProject#isOpen()
*/
public boolean isOpen(int flags) {
return flags != NULL_FLAG && ResourceInfo.isSet(flags, M_OPEN);
}
/**
* Returns true if this resource represents the project description file, and
* false otherwise.
*/
protected boolean isProjectDescriptionFile(IResource resource) {
return resource.getType() == IResource.FILE && resource.getFullPath().segmentCount() == 2 && resource.getName().equals(IProjectDescription.DESCRIPTION_FILE_NAME);
}
/* (non-Javadoc)
* @see IProject#move(IProjectDescription, boolean, IProgressMonitor)
*/
public void move(IProjectDescription destination, boolean force, IProgressMonitor monitor) throws CoreException {
Assert.isNotNull(destination);
move(destination, force ? IResource.FORCE : IResource.NONE, monitor);
}
/* (non-Javadoc)
* @see IResource#move(IProjectDescription, int, IProgressMonitor)
*/
public void move(IProjectDescription description, int updateFlags, IProgressMonitor monitor) throws CoreException {
Assert.isNotNull(description);
monitor = Policy.monitorFor(monitor);
try {
String message = NLS.bind(Messages.resources_moving, getFullPath());
monitor.beginTask(message, Policy.totalWork);
IProject destination = workspace.getRoot().getProject(description.getName());
final ISchedulingRule rule = workspace.getRuleFactory().moveRule(this, destination);
try {
workspace.prepareOperation(rule, monitor);
// The following assert method throws CoreExceptions as stated in the IResource.move API
// and assert for programming errors. See checkMoveRequirements for more information.
if (!getName().equals(description.getName())) {
IPath destPath = Path.ROOT.append(description.getName());
assertMoveRequirements(destPath, IResource.PROJECT, updateFlags);
}
checkDescription(destination, description, true);
workspace.beginOperation(true);
message = Messages.resources_moveProblem;
MultiStatus status = new MultiStatus(ResourcesPlugin.PI_RESOURCES, IStatus.ERROR, message, null);
WorkManager workManager = workspace.getWorkManager();
ResourceTree tree = new ResourceTree(getLocalManager(), workManager.getLock(), status, updateFlags);
IMoveDeleteHook hook = workspace.getMoveDeleteHook();
workspace.broadcastEvent(LifecycleEvent.newEvent(LifecycleEvent.PRE_PROJECT_MOVE, this, destination, updateFlags));
int depth = 0;
try {
depth = workManager.beginUnprotected();
if (!hook.moveProject(tree, this, description, updateFlags, Policy.subMonitorFor(monitor, Policy.opWork / 2)))
tree.standardMoveProject(this, description, updateFlags, Policy.subMonitorFor(monitor, Policy.opWork / 2));
} finally {
workManager.endUnprotected(depth);
}
// Invalidate the tree for further use by clients.
tree.makeInvalid();
if (!tree.getStatus().isOK())
throw new ResourceException(tree.getStatus());
} catch (OperationCanceledException e) {
workspace.getWorkManager().operationCanceled();
throw e;
} finally {
workspace.endOperation(rule, true, Policy.subMonitorFor(monitor, Policy.endOpWork));
}
} finally {
monitor.done();
}
}
/* (non-Javadoc)
* @see IProject#open(IProgressMonitor)
*/
public void open(int updateFlags, IProgressMonitor monitor) throws CoreException {
monitor = Policy.monitorFor(monitor);
try {
String msg = NLS.bind(Messages.resources_opening_1, getName());
monitor.beginTask(msg, Policy.totalWork);
monitor.subTask(msg);
final ISchedulingRule rule = workspace.getRuleFactory().modifyRule(this);
try {
workspace.prepareOperation(rule, monitor);
ProjectInfo info = (ProjectInfo) getResourceInfo(false, false);
int flags = getFlags(info);
checkExists(flags, true);
if (isOpen(flags))
return;
workspace.beginOperation(true);
// flush the build order early in case there is a problem
workspace.flushBuildOrder();
info = (ProjectInfo) getResourceInfo(false, true);
info.set(M_OPEN);
//clear the unknown children immediately to avoid background refresh
boolean unknownChildren = info.isSet(M_CHILDREN_UNKNOWN);
if (unknownChildren)
info.clear(M_CHILDREN_UNKNOWN);
// the M_USED flag is used to indicate the difference between opening a project
// for the first time and opening it from a previous close (restoring it from disk)
boolean used = info.isSet(M_USED);
if (used) {
workspace.getSaveManager().restore(this, Policy.subMonitorFor(monitor, Policy.opWork * 20 / 100));
} else {
info.set(M_USED);
//reconcile any links in the project description
IStatus result = reconcileLinks(info.getDescription());
if (!result.isOK())
throw new CoreException(result);
workspace.updateModificationStamp(info);
monitor.worked(Policy.opWork * 20 / 100);
}
startup();
//request a refresh if the project has unknown members on disk
if (!used && unknownChildren) {
//refresh either in background or foreground
if ((updateFlags & IResource.BACKGROUND_REFRESH) != 0) {
workspace.refreshManager.refresh(this);
monitor.worked(Policy.opWork * 80 / 100);
} else {
refreshLocal(IResource.DEPTH_INFINITE, Policy.subMonitorFor(monitor, Policy.opWork * 80 / 100));
}
}
//creation of this project may affect overlapping resources
workspace.getAliasManager().updateAliases(this, getStore(), IResource.DEPTH_INFINITE, monitor);
} catch (OperationCanceledException e) {
workspace.getWorkManager().operationCanceled();
throw e;
} finally {
workspace.endOperation(rule, true, Policy.subMonitorFor(monitor, Policy.endOpWork));
}
} finally {
monitor.done();
}
}
/* (non-Javadoc)
* @see IProject#open(IProgressMonitor)
*/
public void open(IProgressMonitor monitor) throws CoreException {
open(IResource.NONE, monitor);
}
/**
* The project description file has changed on disk, resulting in a changed
* set of linked resources. Perform the necessary creations and deletions of
* links to bring the links in sync with those described in the project description.
* @param newDescription the new project description that may have
* changed link descriptions.
* @return status ok if everything went well, otherwise an ERROR multi-status
* describing the problems encountered.
*/
public IStatus reconcileLinks(ProjectDescription newDescription) {
HashMap newLinks = newDescription.getLinks();
String msg = Messages.links_errorLinkReconcile;
MultiStatus status = new MultiStatus(ResourcesPlugin.PI_RESOURCES, IResourceStatus.OPERATION_FAILED, msg, null);
//walk over old linked resources and remove those that are no longer defined
ProjectDescription oldDescription = internalGetDescription();
if (oldDescription != null) {
HashMap oldLinks = oldDescription.getLinks();
if (oldLinks != null) {
for (Iterator it = oldLinks.values().iterator(); it.hasNext();) {
LinkDescription oldLink = (LinkDescription) it.next();
Resource oldLinkResource = (Resource) findMember(oldLink.getProjectRelativePath());
if (oldLinkResource == null || !oldLinkResource.isLinked())
continue;
LinkDescription newLink = null;
if (newLinks != null)
newLink = (LinkDescription) newLinks.get(oldLink.getProjectRelativePath());
//if the new link is missing, or has different location or gender, then remove old link
if (newLink == null || !newLink.getLocationURI().equals(oldLinkResource.getLocationURI()) || newLink.getType() != oldLinkResource.getType()) {
try {
oldLinkResource.delete(IResource.NONE, null);
//refresh the resource, because removing a link can reveal a previously hidden resource in parent
oldLinkResource.refreshLocal(IResource.DEPTH_INFINITE, null);
} catch (CoreException e) {
status.merge(e.getStatus());
}
}
}
}
}
//walk over new links and create if necessary
if (newLinks == null)
return status;
//sort links to avoid creating nested links before their parents
List sortedLinks = new ArrayList(newLinks.values());
Collections.sort(sortedLinks);
for (Iterator it = sortedLinks.iterator(); it.hasNext();) {
LinkDescription newLink = (LinkDescription) it.next();
try {
Resource toLink = workspace.newResource(getFullPath().append(newLink.getProjectRelativePath()), newLink.getType());
IContainer parent = toLink.getParent();
if (parent != null && !parent.exists() && parent.getType() == FOLDER)
((Folder) parent).ensureExists(Policy.monitorFor(null));
toLink.createLink(newLink.getLocationURI(), IResource.REPLACE | IResource.ALLOW_MISSING_LOCAL, null);
} catch (CoreException e) {
status.merge(e.getStatus());
}
}
return status;
}
/* (non-Javadoc)
* @see IProject#setDescription(IProjectDescription, int, IProgressMonitor)
*/
public void setDescription(IProjectDescription description, int updateFlags, IProgressMonitor monitor) throws CoreException {
// FIXME - update flags should be honored:
// KEEP_HISTORY means capture .project file in local history
// FORCE means overwrite any existing .project file
monitor = Policy.monitorFor(monitor);
try {
monitor.beginTask(Messages.resources_setDesc, Policy.totalWork);
final ISchedulingRule rule = workspace.getRoot();
try {
//need to use root rule because nature configuration calls third party code
workspace.prepareOperation(rule, monitor);
ResourceInfo info = getResourceInfo(false, false);
checkAccessible(getFlags(info));
//if nothing has changed, we don't need to do anything
ProjectDescription oldDescription = internalGetDescription();
ProjectDescription newDescription = (ProjectDescription) description;
boolean hasPublicChanges = oldDescription.hasPublicChanges(newDescription);
boolean hasPrivateChanges = oldDescription.hasPrivateChanges(newDescription);
if (!hasPublicChanges && !hasPrivateChanges)
return;
checkDescription(this, newDescription, false);
//If we're out of sync and !FORCE, then fail.
//If the file is missing, we want to write the new description then throw an exception.
boolean hadSavedDescription = true;
if (((updateFlags & IResource.FORCE) == 0)) {
hadSavedDescription = getLocalManager().hasSavedDescription(this);
if (hadSavedDescription && !getLocalManager().isDescriptionSynchronized(this)) {
String message = NLS.bind(Messages.resources_projectDescSync, getName());
throw new ResourceException(IResourceStatus.OUT_OF_SYNC_LOCAL, getFullPath(), message, null);
}
}
//see if we have an old .prj file
if (!hadSavedDescription)
hadSavedDescription = workspace.getMetaArea().hasSavedProject(this);
workspace.broadcastEvent(LifecycleEvent.newEvent(LifecycleEvent.PRE_PROJECT_CHANGE, this));
workspace.beginOperation(true);
MultiStatus status = basicSetDescription(newDescription, updateFlags);
if (hadSavedDescription && !status.isOK())
throw new CoreException(status);
//write the new description to the .project file
writeDescription(oldDescription, updateFlags, hasPublicChanges, hasPrivateChanges);
//increment the content id even for private changes
info = getResourceInfo(false, true);
info.incrementContentId();
workspace.updateModificationStamp(info);
if (!hadSavedDescription) {
String msg = NLS.bind(Messages.resources_missingProjectMetaRepaired, getName());
status.merge(new ResourceStatus(IResourceStatus.MISSING_DESCRIPTION_REPAIRED, getFullPath(), msg));
}
if (!status.isOK())
throw new CoreException(status);
} finally {
workspace.endOperation(rule, true, Policy.subMonitorFor(monitor, Policy.endOpWork));
}
} finally {
monitor.done();
}
}
/* (non-Javadoc)
* @see IProject#setDescription(IProjectDescription, IProgressMonitor)
*/
public void setDescription(IProjectDescription description, IProgressMonitor monitor) throws CoreException {
// funnel all operations to central method
setDescription(description, IResource.KEEP_HISTORY, monitor);
}
/**
* Restore the non-persisted state for the project. For example, read and set
* the description from the local meta area. Also, open the property store etc.
* This method is used when an open project is restored and so emulates
* the behaviour of open().
*/
protected void startup() throws CoreException {
if (!isOpen())
return;
workspace.broadcastEvent(LifecycleEvent.newEvent(LifecycleEvent.PRE_PROJECT_OPEN, this));
}
/* (non-Javadoc)
* @see IResource#touch(IProgressMonitor)
*/
public void touch(IProgressMonitor monitor) throws CoreException {
monitor = Policy.monitorFor(monitor);
try {
String message = NLS.bind(Messages.resources_touch, getFullPath());
monitor.beginTask(message, Policy.totalWork);
final ISchedulingRule rule = workspace.getRuleFactory().modifyRule(this);
try {
workspace.prepareOperation(rule, monitor);
workspace.broadcastEvent(LifecycleEvent.newEvent(LifecycleEvent.PRE_PROJECT_CHANGE, this));
workspace.beginOperation(true);
super.touch(Policy.subMonitorFor(monitor, Policy.opWork));
} catch (OperationCanceledException e) {
workspace.getWorkManager().operationCanceled();
throw e;
} finally {
workspace.endOperation(rule, true, Policy.subMonitorFor(monitor, Policy.endOpWork));
}
} finally {
monitor.done();
}
}
/**
* The project description file on disk is better than the description in memory.
* Make sure the project description in memory is synchronized with the
* description file contents.
*/
protected void updateDescription() throws CoreException {
if (ProjectDescription.isWriting)
return;
ProjectDescription.isReading = true;
try {
workspace.broadcastEvent(LifecycleEvent.newEvent(LifecycleEvent.PRE_PROJECT_CHANGE, this));
ProjectDescription description = getLocalManager().read(this, false);
//links can only be created if the project is open
IStatus result = null;
if (isOpen())
result = reconcileLinks(description);
internalSetDescription(description, true);
if (result != null && !result.isOK())
throw new CoreException(result);
} finally {
ProjectDescription.isReading = false;
}
}
/**
* Writes the project's current description file to disk.
*/
public void writeDescription(int updateFlags) throws CoreException {
writeDescription(internalGetDescription(), updateFlags, true, true);
}
/**
* Writes the project description file to disk. This is the only method
* that should ever be writing the description, because it ensures that
* the description isn't then immediately discovered as an incoming
* change and read back from disk.
* @param description The description to write
* @param updateFlags The write operation update flags
* @param hasPublicChanges Whether the public sections of the description have changed
* @param hasPrivateChanges Whether the private sections of the description have changed
* @exception CoreException On failure to write the description
*/
public void writeDescription(IProjectDescription description, int updateFlags, boolean hasPublicChanges, boolean hasPrivateChanges) throws CoreException {
if (ProjectDescription.isReading)
return;
ProjectDescription.isWriting = true;
try {
getLocalManager().internalWrite(this, description, updateFlags, hasPublicChanges, hasPrivateChanges);
} finally {
ProjectDescription.isWriting = false;
}
}
}