Java Code Examples for org.eclipse.core.resources.IWorkspaceRunnable#run()

private void doInitializeCache() throws CoreException {
	if(!isInitialized) {
		IWorkspaceRunnable runnable = new IWorkspaceRunnable() {
			@Override
			public void run(IProgressMonitor monitor) throws CoreException {
				if(!isInitialized) {
					for(IProject project: workspace.getRoot().getProjects()) {
						if(project.isAccessible() && JavaProject.hasJavaNature(project)) {
							IJavaProject javaProject = JavaCore.create(project);
							updateCache(javaProject);
						}
					}
					isInitialized = true;
				}
			}
		};
		// while the tree is locked, workspace.run may not be used but we are sure that we do already
		// hold the workspace lock - save to just run the action code
		if (workspace.isTreeLocked()) {
			runnable.run(null);
		} else {
			workspace.run(runnable, null, IWorkspace.AVOID_UPDATE, null);
		}
	}
}
 

public void load() {
	if (!isLoaded) {
		IWorkspaceRunnable runnable = new IWorkspaceRunnable() {
			@Override
			public void run(IProgressMonitor monitor) throws CoreException {
				if (!isLoaded) {
					resourceDescriptionData = new ResourceDescriptionsData(persister.load());
					if(storage2UriMapper instanceof IStorage2UriMapperExtension)
						((IStorage2UriMapperExtension) storage2UriMapper).initializeCache();
					isLoaded = true;
				}
			}
		};
		try {
			switch(workspaceLockAccess.isWorkspaceLockedByCurrentThread(workspace)) {
				case YES: {
					runnable.run(null);
					break;
				}
				case NO: {
					workspace.run(runnable, null, IWorkspace.AVOID_UPDATE, null);
					break;
				}
				case SHUTDOWN: {
					// do not initialize anything if we are about to shutdown.
					return;
				}
			}
		} catch(CoreException e) {
			log.error(e.getMessage(), e);
		}
	}
}
 

/**
 * Creates the necessary source code for the refactoring.
 *
 * @param monitor
 *            the progress monitor to use
 * @return
 *            the resulting status
 */
private RefactoringStatus createNecessarySourceCode(final IProgressMonitor monitor) {
	final RefactoringStatus status= new RefactoringStatus();
	try {
		monitor.beginTask(JarImportMessages.JarImportWizard_prepare_import, 240);
		final IPackageFragmentRoot root= getPackageFragmentRoot();
		if (root != null && fSourceFolder != null && fJavaProject != null) {
			try {
				final SubProgressMonitor subMonitor= new SubProgressMonitor(monitor, 40, SubProgressMonitor.SUPPRESS_SUBTASK_LABEL);
				final IJavaElement[] elements= root.getChildren();
				final List<IPackageFragment> list= new ArrayList<IPackageFragment>(elements.length);
				try {
					subMonitor.beginTask(JarImportMessages.JarImportWizard_prepare_import, elements.length);
					for (int index= 0; index < elements.length; index++) {
						final IJavaElement element= elements[index];
						if (!fProcessedFragments.contains(element) && !element.getElementName().equals(META_INF_FRAGMENT))
							list.add((IPackageFragment) element);
						subMonitor.worked(1);
					}
				} finally {
					subMonitor.done();
				}
				if (!list.isEmpty()) {
					fProcessedFragments.addAll(list);
					final URI uri= fSourceFolder.getRawLocationURI();
					if (uri != null) {
						final IPackageFragmentRoot sourceFolder= fJavaProject.getPackageFragmentRoot(fSourceFolder);
						IWorkspaceRunnable runnable= null;
						if (canUseSourceAttachment()) {
							runnable= new SourceCreationOperation(uri, list) {

								private IPackageFragment fFragment= null;

								@Override
								protected final void createCompilationUnit(final IFileStore store, final String name, final String content, final IProgressMonitor pm) throws CoreException {
									fFragment.createCompilationUnit(name, content, true, pm);
								}

								@Override
								protected final void createPackageFragment(final IFileStore store, final String name, final IProgressMonitor pm) throws CoreException {
									fFragment= sourceFolder.createPackageFragment(name, true, pm);
								}
							};
						} else {
							runnable= new StubCreationOperation(uri, list, true) {

								private IPackageFragment fFragment= null;

								@Override
								protected final void createCompilationUnit(final IFileStore store, final String name, final String content, final IProgressMonitor pm) throws CoreException {
									fFragment.createCompilationUnit(name, content, true, pm);
								}

								@Override
								protected final void createPackageFragment(final IFileStore store, final String name, final IProgressMonitor pm) throws CoreException {
									fFragment= sourceFolder.createPackageFragment(name, true, pm);
								}
							};
						}
						try {
							runnable.run(new SubProgressMonitor(monitor, 150, SubProgressMonitor.SUPPRESS_SUBTASK_LABEL));
						} finally {
							fSourceFolder.refreshLocal(IResource.DEPTH_INFINITE, new SubProgressMonitor(monitor, 50, SubProgressMonitor.SUPPRESS_SUBTASK_LABEL));
						}
					}
				}
			} catch (CoreException exception) {
				status.addFatalError(exception.getLocalizedMessage());
			}
		}
	} finally {
		monitor.done();
	}
	return status;
}