ISourceContainer[] getSourceContainers(String location, String id) throws CoreException {
ISourceContainer[] containers = (ISourceContainer[]) fSourceContainerMap.get(location);
if (containers != null) {
return containers;
}
ArrayList result = new ArrayList();
ModelEntry entry = MonitorRegistry.findEntry(id);
boolean match = false;
IMonitorModelBase[] models = entry.getWorkspaceModels();
for (int i = 0; i < models.length; i++) {
if (isPerfectMatch(models[i], new Path(location))) {
IResource resource = models[i].getUnderlyingResource();
// if the plug-in matches a workspace model,
// add the project and any libraries not coming via a container
// to the list of source containers, in that order
if (resource != null) {
addProjectSourceContainers(resource.getProject(), result);
}
match = true;
break;
}
}
if (!match) {
File file = new File(location);
if (file.isFile()) {
// in case of linked plug-in projects that map to an external JARd plug-in,
// use source container that maps to the library in the linked project.
ISourceContainer container = getArchiveSourceContainer(location);
if (container != null) {
containers = new ISourceContainer[] {container};
fSourceContainerMap.put(location, containers);
return containers;
}
}
models = entry.getExternalModels();
for (int i = 0; i < models.length; i++) {
if (isPerfectMatch(models[i], new Path(location))) {
// try all source zips found in the source code locations
IClasspathEntry[] entries = MDEClasspathContainer.getExternalEntries(models[i]);
for (int j = 0; j < entries.length; j++) {
IRuntimeClasspathEntry rte = convertClasspathEntry(entries[j]);
if (rte != null) result.add(rte);
}
break;
}
}
}
IRuntimeClasspathEntry[] entries =
(IRuntimeClasspathEntry[]) result.toArray(new IRuntimeClasspathEntry[result.size()]);
containers = JavaRuntime.getSourceContainers(entries);
fSourceContainerMap.put(location, containers);
return containers;
}
private void createBuildPathChange(IResource[] sourceResources, CompositeChange rootChange)
throws ModelException {
IResource[] uniqueSourceResources = removeDuplicateResources(sourceResources);
for (IResource element : uniqueSourceResources) {
// only container need handle build/include path.
if (element instanceof IContainer) {
IProject project = element.getProject();
// if moving to another project
if (RefactoringUtility.getResource(fMainDestinationPath).getProject() != project) {
removeBuildPath(element, project);
IPath path = element.getFullPath().removeLastSegments(1);
RenameBuildAndIcludePathChange biChange =
new RenameBuildAndIcludePathChange(
path,
path,
element.getName(),
"",
oldBuildEntries, //$NON-NLS-1$
newBuildEntries,
oldIncludePath,
newIncludePathEntries);
if (newBuildEntries.size() > 0 || newIncludePathEntries.size() > 0) {
rootChange.add(biChange);
}
} else {
updateBuildPath(element, project);
RenameBuildAndIcludePathChange biChange =
new RenameBuildAndIcludePathChange(
element.getFullPath().removeLastSegments(1),
fMainDestinationPath,
element.getName(),
element.getName(),
oldBuildEntries,
newBuildEntries,
oldIncludePath,
newIncludePathEntries);
if (newBuildEntries.size() > 0 || newIncludePathEntries.size() > 0) {
rootChange.add(biChange);
}
}
}
}
}
/* Return the list of projects for which it requires a resource delta. This builder's project
* is implicitly included and need not be specified. Builders must re-specify the list
* of interesting projects every time they are run as this is not carried forward
* beyond the next build. Missing projects should be specified but will be ignored until
* they are added to the workspace.
*/
private IProject[] getRequiredProjects(boolean includeBinaryPrerequisites) {
if (this.javaProject == null || this.workspaceRoot == null) return new IProject[0];
ArrayList projects = new ArrayList();
ExternalFoldersManager externalFoldersManager = JavaModelManager.getExternalManager();
try {
IClasspathEntry[] entries = this.javaProject.getExpandedClasspath();
for (int i = 0, l = entries.length; i < l; i++) {
IClasspathEntry entry = entries[i];
IPath path = entry.getPath();
IProject p = null;
switch (entry.getEntryKind()) {
case IClasspathEntry.CPE_PROJECT:
p =
this.workspaceRoot.getProject(
path.lastSegment()); // missing projects are considered too
if (((ClasspathEntry) entry).isOptional()
&& !JavaProject.hasJavaNature(p)) // except if entry is optional
p = null;
break;
case IClasspathEntry.CPE_LIBRARY:
if (includeBinaryPrerequisites && path.segmentCount() > 0) {
// some binary resources on the class path can come from projects that are not
// included in the project references
IResource resource = this.workspaceRoot.findMember(path.segment(0));
if (resource instanceof IProject) {
p = (IProject) resource;
} else {
resource = externalFoldersManager.getFolder(path);
if (resource != null) p = resource.getProject();
}
}
}
if (p != null && !projects.contains(p)) projects.add(p);
}
} catch (JavaModelException e) {
return new IProject[0];
}
IProject[] result = new IProject[projects.size()];
projects.toArray(result);
return result;
}
public void setCharsetFor(IPath resourcePath, String newCharset) throws CoreException {
// for the workspace root we just set a preference in the instance scope
if (resourcePath.segmentCount() == 0) {
IEclipsePreferences resourcesPreferences =
InstanceScope.INSTANCE.getNode(ResourcesPlugin.PI_RESOURCES);
if (newCharset != null) resourcesPreferences.put(ResourcesPlugin.PREF_ENCODING, newCharset);
else resourcesPreferences.remove(ResourcesPlugin.PREF_ENCODING);
try {
resourcesPreferences.flush();
} catch (BackingStoreException e) {
IProject project = workspace.getRoot().getProject(resourcePath.segment(0));
String message = Messages.resources_savingEncoding;
throw new ResourceException(
IResourceStatus.FAILED_SETTING_CHARSET, project.getFullPath(), message, e);
}
return;
}
// for all other cases, we set a property in the corresponding project
IResource resource = workspace.getRoot().findMember(resourcePath);
if (resource != null) {
try {
// disable the listener so we don't react to changes made by ourselves
Preferences encodingSettings =
getPreferences(
resource.getProject(), true, resource.isDerived(IResource.CHECK_ANCESTORS));
if (newCharset == null || newCharset.trim().length() == 0)
encodingSettings.remove(getKeyFor(resourcePath));
else encodingSettings.put(getKeyFor(resourcePath), newCharset);
flushPreferences(encodingSettings, true);
} catch (BackingStoreException e) {
IProject project = workspace.getRoot().getProject(resourcePath.segment(0));
String message = Messages.resources_savingEncoding;
throw new ResourceException(
IResourceStatus.FAILED_SETTING_CHARSET, project.getFullPath(), message, e);
}
}
}
private void processEntryChanges(
IResourceDelta projectDelta, Map<IProject, Boolean> projectsToSave) {
// check each resource with user-set encoding to see if it has
// been moved/deleted or if derived state has been changed
IProject currentProject = (IProject) projectDelta.getResource();
Preferences projectRegularPrefs = getPreferences(currentProject, false, false, true);
Preferences projectDerivedPrefs = getPreferences(currentProject, false, true, true);
Map<Boolean, String[]> affectedResourcesMap = new HashMap<>();
try {
// no regular preferences for this project
if (projectRegularPrefs == null) affectedResourcesMap.put(Boolean.FALSE, new String[0]);
else affectedResourcesMap.put(Boolean.FALSE, projectRegularPrefs.keys());
// no derived preferences for this project
if (projectDerivedPrefs == null) affectedResourcesMap.put(Boolean.TRUE, new String[0]);
else affectedResourcesMap.put(Boolean.TRUE, projectDerivedPrefs.keys());
} catch (BackingStoreException e) {
// problems with the project scope... we will miss the changes (but will log)
String message = Messages.resources_readingEncoding;
Policy.log(
new ResourceStatus(
IResourceStatus.FAILED_GETTING_CHARSET, currentProject.getFullPath(), message, e));
return;
}
for (Iterator<Boolean> it = affectedResourcesMap.keySet().iterator(); it.hasNext(); ) {
Boolean isDerived = it.next();
String[] affectedResources = affectedResourcesMap.get(isDerived);
Preferences projectPrefs =
isDerived.booleanValue() ? projectDerivedPrefs : projectRegularPrefs;
for (int i = 0; i < affectedResources.length; i++) {
IResourceDelta memberDelta = projectDelta.findMember(new Path(affectedResources[i]));
// no changes for the given resource
if (memberDelta == null) continue;
if (memberDelta.getKind() == IResourceDelta.REMOVED) {
boolean shouldDisableCharsetDeltaJobForCurrentProject = false;
// remove the setting for the original location - save its value though
String currentValue = projectPrefs.get(affectedResources[i], null);
projectPrefs.remove(affectedResources[i]);
if ((memberDelta.getFlags() & IResourceDelta.MOVED_TO) != 0) {
IPath movedToPath = memberDelta.getMovedToPath();
IResource resource = workspace.getRoot().findMember(movedToPath);
if (resource != null) {
Preferences encodingSettings =
getPreferences(
resource.getProject(), true, resource.isDerived(IResource.CHECK_ANCESTORS));
if (currentValue == null || currentValue.trim().length() == 0)
encodingSettings.remove(getKeyFor(movedToPath));
else encodingSettings.put(getKeyFor(movedToPath), currentValue);
IProject targetProject = workspace.getRoot().getProject(movedToPath.segment(0));
if (targetProject.equals(currentProject))
// if the file was moved inside the same project disable charset listener
shouldDisableCharsetDeltaJobForCurrentProject = true;
else projectsToSave.put(targetProject, Boolean.FALSE);
}
}
projectsToSave.put(
currentProject, Boolean.valueOf(shouldDisableCharsetDeltaJobForCurrentProject));
}
}
if (moveSettingsIfDerivedChanged(
projectDelta, currentProject, projectPrefs, affectedResources)) {
// if settings were moved between preferences files disable charset listener so we don't
// react to changes made by ourselves
projectsToSave.put(currentProject, Boolean.TRUE);
}
}
}