org.eclipse.ui.IPathEditorInput#org.eclipse.core.resources.IStorage源码实例Demo

public static IStorage getResourceBundle(IJavaProject javaProject, AccessorClassReference accessorClassReference) throws JavaModelException {
	String resourceBundle= accessorClassReference.getResourceBundleName();
	if (resourceBundle == null)
		return null;

	String resourceName= Signature.getSimpleName(resourceBundle) + NLSRefactoring.PROPERTY_FILE_EXT;
	String packName= Signature.getQualifier(resourceBundle);
	ITypeBinding accessorClass= accessorClassReference.getBinding();

	if (accessorClass.isFromSource())
		return getResourceBundle(javaProject, packName, resourceName);
	else if (accessorClass.getJavaElement() != null)
		return getResourceBundle((IPackageFragmentRoot)accessorClass.getJavaElement().getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT), packName, resourceName);

	return null;
}
 

/**
 * @since 2.7
 */
protected String getCurrentSourceFolder(IBuildContext context, Delta delta) {
	Iterable<org.eclipse.xtext.util.Pair<IStorage, IProject>> storages = storage2UriMapper.getStorages(delta.getUri());
	for (org.eclipse.xtext.util.Pair<IStorage, IProject> pair : storages) {
		if (pair.getFirst() instanceof IResource) {
			final IResource resource = (IResource) pair.getFirst();
			IProject project = pair.getSecond();
			for (OutputConfiguration output : getOutputConfigurations(context).values()) {
				for (SourceMapping sourceMapping : output.getSourceMappings()) {
					IContainer folder = ResourceUtil.getContainer(project, sourceMapping.getSourceFolder());
					if (folder.contains(resource)) {
						return sourceMapping.getSourceFolder();
					}
				}
			}
		}
	}
	return null;
}
 

/**
 * Prepare mocks for all tests.
 */
public static void prepareMocksBase() {
  oldDesc = mock(IResourceDescription.class);
  newDesc = mock(IResourceDescription.class);
  delta = mock(Delta.class);
  resource = mock(Resource.class);
  uriCorrect = mock(URI.class);
  when(uriCorrect.isPlatformResource()).thenReturn(true);
  when(uriCorrect.isFile()).thenReturn(true);
  when(uriCorrect.toFileString()).thenReturn(DUMMY_PATH);
  when(uriCorrect.toPlatformString(true)).thenReturn(DUMMY_PATH);
  when(delta.getNew()).thenReturn(newDesc);
  when(delta.getOld()).thenReturn(oldDesc);
  when(delta.getUri()).thenReturn(uriCorrect);
  when(resource.getURI()).thenReturn(uriCorrect);
  file = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(uriCorrect.toPlatformString(true)));
  Iterable<Pair<IStorage, IProject>> storages = singleton(Tuples.<IStorage, IProject> create(file, file.getProject()));
  mapperCorrect = mock(Storage2UriMapperImpl.class);
  when(mapperCorrect.getStorages(uriCorrect)).thenReturn(storages);
}
 

@Test public void testIgnoreFilesInOutputFolder() throws Exception {
	IJavaProject javaProject = createJavaProjectWithRootSrc("foo");
	createFile("foo/src/foo" + F_EXT, "object Foo ");
	createFile("foo/bar" + F_EXT, "object Bar references Foo");
	build();
	IProject project = javaProject.getProject();
	IResource resourceFromBin = project.findMember(new Path("/bin/foo" + F_EXT));
	assertNotNull(resourceFromBin);
	assertTrue(resourceFromBin instanceof IStorage);
	assertTrue(resourceFromBin.exists());
	URI fakeBinURI = URI.createPlatformResourceURI("/" + project.getName() + "/bin/foo" + F_EXT, true);
	assertFalse(serviceProvider.canHandle(fakeBinURI, (IStorage) resourceFromBin));
	assertTrue(serviceProvider.canHandle(fakeBinURI));
	IResource resourceFromRoot = project.findMember(new Path("/bar" + F_EXT));
	assertNotNull(resourceFromRoot);
	assertTrue(resourceFromRoot instanceof IStorage);
	URI fromRootURI = URI.createPlatformResourceURI("/" + project.getName() + "/bar" + F_EXT, true);
	assertFalse(serviceProvider.canHandle(fromRootURI, (IStorage) resourceFromBin));
	assertTrue(serviceProvider.canHandle(fromRootURI));
}
 

public void queueURI(URI uri) {
	Iterable<Pair<IStorage, IProject>> iterable = mapper.getStorages(uri);
	boolean associatedWithProject = false;
	for (Pair<IStorage, IProject> pair : iterable) {
		IProject project = pair.getSecond();
		if (XtextProjectHelper.hasNature(project) && XtextProjectHelper.hasBuilder(project)) {
			String projectName = project.getName();
			LinkedHashSetQueue<URI> list = projectNameToChangedResource.get(projectName);
			if (list == null) {
				list = new LinkedHashSetQueue<>();
				projectNameToChangedResource.put(projectName, list);
			}
			list.add(uri);
			associatedWithProject = true;
		}
	}
	if (!associatedWithProject) {
		this.uris.add(uri);
	}
}
 

@Override
public boolean collectSourceFileOpeners(IEditorPart editor, IAcceptor<FileOpener> acceptor) {
	IStorage storage = getStorage(editor);
	if (storage instanceof IResource) {
		IResource resource = (IResource) storage;
		try {
			Set<URI> uris = Sets.newHashSet();
			IMarker[] markers = derivedResourceMarkers.findDerivedResourceMarkers(resource);
			for (IMarker marker : markers) {
				String source = derivedResourceMarkers.getSource(marker);
				if (source != null)
					uris.add(URI.createURI(source));
			}
			for (URI uri : uris)
				for (Pair<IStorage, IProject> destination : storage2UriMapper.getStorages(uri))
					acceptor.accept(createOpener(destination.getFirst()));
			return true;
		} catch (CoreException e) {
			LOG.error(e.getMessage(), e);
		}
	}
	return false;
}
 

public boolean isReadOnly( Object element )
{
	IStorage storage = null;
	try
	{
		if ( element instanceof IStorageEditorInput )
		{
			storage = ( (IStorageEditorInput) element ).getStorage( );
		}
	}
	catch ( CoreException x )
	{
		ExceptionHandler.handle( x );
	}

	if ( storage != null )
	{
		return storage.isReadOnly( );
	}
	return super.isReadOnly( element );
}
 

protected void accept(IReferenceDescription referenceDescription) {
	URI sourceResourceURI = referenceDescription.getSourceEObjectUri().trimFragment();
	Iterable<Pair<IStorage, IProject>> storages = storage2UriMapper.getStorages(sourceResourceURI);
	Iterator<Pair<IStorage, IProject>> iterator = storages.iterator();
	while (iterator.hasNext()) {
		Pair<IStorage, IProject> pair = iterator.next();
		IStorage storage = pair.getFirst();
		IProject project = pair.getSecond();
		if (project != null && !project.isHidden()) {
			ResourceSet resourceSet = getResourceSet(project);
			EObject sourceEObject = resourceSet.getEObject(referenceDescription.getSourceEObjectUri(), true);
			if (sourceEObject != null) {
				ITextRegion region = getLocation(
						sourceEObject, referenceDescription.getEReference(), 
						referenceDescription.getIndexInList());
				acceptMatch(storage, region);
			} else {
				acceptMatch(referenceDescription, null);
			}
		}
	}
}
 

/**
 * Creates a visitor that is used to traverse the information that is obtained from {@link #getDelta(IProject)}. It
 * accumulates its findings in the given <code>toBeBuilt</code>.
 */
protected IResourceDeltaVisitor createDeltaVisitor(ToBeBuiltComputer toBeBuiltComputer, ToBeBuilt toBeBuilt,
		final SubMonitor progress) {
	IResourceDeltaVisitor visitor = new IResourceDeltaVisitor() {
		@Override
		public boolean visit(IResourceDelta delta) throws CoreException {
			if (progress.isCanceled())
				throw new OperationCanceledException();
			if (delta.getResource() instanceof IProject) {
				return true;
			}
			if (delta.getResource() instanceof IStorage) {
				if (delta.getKind() == IResourceDelta.REMOVED) {
					return toBeBuiltComputer.removeStorage(null, toBeBuilt, (IStorage) delta.getResource());
				} else if (delta.getKind() == IResourceDelta.ADDED || delta.getKind() == IResourceDelta.CHANGED) {
					return toBeBuiltComputer.updateStorage(null, toBeBuilt, (IStorage) delta.getResource());
				}
			}
			return true;
		}
	};
	return visitor;
}
 

private Set<IPath> getUiXmlWorkspaceRelativePaths(
    TypeDeclaration ownerTypeDecl) {
  Set<IPath> paths = new HashSet<IPath>();

  String ownerTypeName = ownerTypeDecl.resolveBinding().getQualifiedName();
  for (IType uiBinderSubtype : uiBinderToOwner.getUiBinderTypes(ownerTypeName)) {
    IPath uiXmlClasspathRelativePath = ownerToUiXml.getUiXmlPath(uiBinderSubtype);
    try {
      IStorage uiXmlFile = ClasspathResourceUtilities.resolveFile(
          uiXmlClasspathRelativePath, javaProject);

      // Verify that the ui.xml exists and is not in a JAR
      if (uiXmlFile instanceof IFile) {
        paths.add(uiXmlFile.getFullPath());
      }
    } catch (JavaModelException e) {
      GWTPluginLog.logError(e);
    }
  }
  return paths;
}
 

/**
 * @since 2.4
 */
@Override
public Map<URI, IStorage> getAllEntries(IContainer container) {
	final Map<URI,IStorage> result = newLinkedHashMap();
	try {
		container.accept(new IResourceVisitor() {
			@Override
			public boolean visit(IResource resource) throws CoreException {
				if (resource instanceof IFile) {
					final IFile storage = (IFile) resource;
					URI uri = getUri(storage);
					if (uri != null)
						result.put(uri, storage);
				}
				if (resource instanceof IFolder) {
					return isHandled((IFolder)resource);
				}
				return true;
			}
		});
	} catch (CoreException e) {
		log.error(e.getMessage(), e);
	}
	return result;
}
 

protected String getExpectedPackageName(XtendFile xtendFile) {
	URI fileURI = xtendFile.eResource().getURI();
	for(Pair<IStorage, IProject> storage: storage2UriMapper.getStorages(fileURI)) {
		if(storage.getFirst() instanceof IFile) {
			IPath fileWorkspacePath = storage.getFirst().getFullPath();
			IJavaProject javaProject = JavaCore.create(storage.getSecond());
			if(javaProject != null && javaProject.exists() && javaProject.isOpen()) {
				try {
					for(IPackageFragmentRoot root: javaProject.getPackageFragmentRoots()) {
						if(!root.isArchive() && !root.isExternal()) {
							IResource resource = root.getResource();
							if(resource != null) {
								IPath sourceFolderPath = resource.getFullPath();
								if(sourceFolderPath.isPrefixOf(fileWorkspacePath)) {
									IPath claspathRelativePath = fileWorkspacePath.makeRelativeTo(sourceFolderPath);
									return claspathRelativePath.removeLastSegments(1).toString().replace("/", ".");
								}
							}
						}
					}
				} catch (JavaModelException e) {
					LOG.error("Error resolving expected path for XtendFile", e);
				}
			}
		}
	}
	return null;
}
 

public static boolean isOpenableStorage(Object storage) {
	if (storage instanceof IJarEntryResource) {
		return ((IJarEntryResource) storage).isFile();
	} else {
		return storage instanceof IStorage;
	}
}
 

/**
 * GH-1190: disable a new behavior of Xtext, which adds pairs <code>FileStoreStorage -> null</code> for file URIs
 * (see private method <code>#getStorages(URI, IFile)</code> of super class), because these pairs will lead to a
 * NullPointerException in Xtext's {@code ToBeBuiltComputer#doRemoveProject(IProject, IProgressMonitor)} when
 * applied to a project located in the external library workspace.
 */
@Override
public Iterable<Pair<IStorage, IProject>> getStorages(URI uri) {
	Iterable<Pair<IStorage, IProject>> storages = super.getStorages(uri);
	if (!uri.isPlatformResource() && uri.isFile()) {
		storages = super.getContribution().getStorages(uri);
	} else {
		storages = super.getStorages(uri);
	}
	return Iterables.filter(storages,
			pair -> !(pair != null && pair.getFirst() instanceof FileStoreStorage));
}
 

/**
 * @since 2.1
 */
protected boolean isJavaTargetFolder(IStorage storage) {
	if (storage instanceof IResource) {
		return jdtHelper.isFromOutputPath((IResource) storage);
	}
	return false;
}
 

@Override
public Iterable<Pair<IStorage, IProject>> getStorages(final URI uri) {
	final IN4JSEclipseProject project = eclipseCore.findProject(uri).orNull();
	if (null != project && project.exists()) {
		final IProject resourceProject = project.getProject();
		return singleton(Tuples.create(new URIBasedStorage(uri), resourceProject));
	}
	return emptyList();
}
 

public SourceRelativeURI getBreakpointURI(IEditorInput input) {
	IResource resource = Adapters.adapt(input, IResource.class);
	if (resource != null)
		return null;
	if (input instanceof IStorageEditorInput) {
		IStorage storage;
		try {
			storage = ((IStorageEditorInput) input).getStorage();
			if (storage instanceof IResource)
				return null;
			if (storage instanceof IJarEntryResource) {
				IJarEntryResource jarEntryResource = (IJarEntryResource) storage;
				if (!jarEntryResource.getPackageFragmentRoot().isArchive())
					return null;
				Object parent = jarEntryResource.getParent();
				if (parent instanceof IPackageFragment) {
					String path = ((IPackageFragment) parent).getElementName().replace('.', '/');
					return new SourceRelativeURI(path + "/" + storage.getName());
				} else if (parent instanceof IPackageFragmentRoot) {
					return new SourceRelativeURI(storage.getName());
				}
			}
		} catch (CoreException e) {
			logger.error("Error finding breakpoint URI", e);
			return null;
		}
	} else {
		IClassFile classFile = Adapters.adapt(input, IClassFile.class);
		if (classFile != null) {
			ITrace traceToSource = traceForTypeRootProvider.getTraceToSource(classFile);
			if (traceToSource == null)
				return null;
			for (ILocationInResource loc : traceToSource.getAllAssociatedLocations())
				return loc.getSrcRelativeResourceURI();
			return null;
		}
	}
	return null;
}
 

/**
 * @since 2.3
 */
/* @Nullable */
protected IFile getTraceFile(IFile file) {
	IStorage traceFile = fileBasedTraceInformation.getTraceFile(file);
	if (traceFile instanceof IFile) {
		IFile result = (IFile) traceFile;
		syncIfNecessary(result);
		return result;
	}
	return null;
}
 

/**
 * The worker method...
 */
private void doFinish(File scanDir, IProgressMonitor monitor) throws CoreException {
	
	monitor.beginTask("Creating analysis file", 3);
	monitor.worked(1);
	
	try {
		runTSVAnalysis(scanDir);
		monitor.worked(1);
		
		monitor.setTaskName("Opening results file...");
		getShell().getDisplay().asyncExec(new Runnable() {
			public void run() {
				
				IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
				
				try {
					IStorage storage = new TSVResultsStorage(getResultsString(), new Path("garbage"));
					IStorageEditorInput input = new TSVResultsInput(storage, "TSV Analysis");
					IDE.openEditor(page, input, "com.hybris.hyeclipse.tsv.editors.TSVEditor", true);
				}
				catch (PartInitException e) {
					e.printStackTrace();
				}
			}
		});
		monitor.worked(1);
	}
	catch (RuntimeException re) {
		System.out.println(re.getMessage());
	}
	
}
 

@Override
public boolean removeStorage(ToBeBuilt toBeBuilt, IStorage storage, IProgressMonitor monitor) {
	for (int i = 0; i < contributions.size(); i++) {
		if (contributions.get(i).removeStorage(toBeBuilt, storage, monitor)) {
			return true;
		}
	}
	return false;
}
 

protected IStorage getLocalStorage(IResourceServiceProvider serviceProvider, URI traceURI) {
	TraceFileNameProvider fileNameProvider = serviceProvider.get(TraceFileNameProvider.class);
	IStorage2UriMapper storage2UriMapper = serviceProvider.get(IStorage2UriMapper.class);
	String generatedName = fileNameProvider.getJavaFromTrace(traceURI.lastSegment());
	URI generatedURI = traceURI.trimSegments(1).appendSegment(generatedName);
	for (Pair<IStorage, IProject> x : storage2UriMapper.getStorages(generatedURI))
		return x.getFirst();
	throw new IllegalStateException("Could not find IStorage for " + generatedURI);
}
 

@Override
public Image getImage(Object element) {
	Image result= fImageLabelProvider.getImageLabel(element, fImageFlags);
	if (result != null) {
		return result;
	}

	if (element instanceof IStorage)
		return fStorageLabelProvider.getImage(element);

	return result;
}
 

@Override
protected void openEObject(EObject state) {
	try {
		if (state instanceof JvmIdentifiableElement && state.eResource() instanceof TypeResource) {
			IJavaElement javaElement = javaElementFinder.findElementFor((JvmIdentifiableElement) state);
			if (javaElement instanceof IMember) {
				IResource resource = javaElement.getResource();
				if (resource instanceof IStorage) {
					ITrace traceToSource = traceInformation.getTraceToSource((IStorage) resource);
					if (traceToSource != null) {
						ISourceRange sourceRange = ((IMember) javaElement).getSourceRange();
						ILocationInResource sourceInformation = traceToSource.getBestAssociatedLocation(new TextRegion(sourceRange.getOffset(), sourceRange.getLength()));
						if (sourceInformation != null) {
							globalURIEditorOpener.open(sourceInformation.getAbsoluteResourceURI().getURI(), javaElement, true);
							return;
						}
					}
				}
				globalURIEditorOpener.open(null, javaElement, true);
				return;
			}
		}
	} catch (Exception exc) {
		LOG.error("Error opening java editor", exc);
	}
	super.openEObject(state);
}
 

private void mockMarkerResource(final URI uri) throws CoreException {
  // Resource is a file and so gets processed
  when(mockMarker.getResource()).thenReturn(mockFile);
  when(mockFile.getName()).thenReturn(uri.lastSegment());
  when(mockFile.findMarkers(anyString(), anyBoolean(), anyInt())).thenReturn(new IMarker[] {});
  when(mockMarker.getAttribute(eq(Issue.URI_KEY), anyString())).thenReturn(uri.toString());
  when(mockMarker.isSubtypeOf(eq(MarkerTypes.ANY_VALIDATION))).thenReturn(true);
  when(mockStorage2UriMapper.getUri(eq(mockFile))).thenReturn(uri);
  @SuppressWarnings("unchecked")
  Iterable<Pair<IStorage, IProject>> storages = Lists.newArrayList(Tuples.create((IStorage) mockFile, mock(IProject.class)));
  when(mockStorage2UriMapper.getStorages(eq(uri))).thenReturn(storages);
  when(mockLanguageResourceHelper.isLanguageResource(eq(mockFile))).thenReturn(true);
}
 

@Override
public IEclipseTrace getTraceToSource(IStorage derivedResource) {
	if (derivedResource instanceof IFile) {
		return getTraceToSource((IFile) derivedResource);
	}
	return null;
}
 

@Override
public boolean isTraceFile(IStorage storage) {
	if (!(storage instanceof IFile)) {
		return false;
	}
	IFile file = (IFile) storage;
	String originLastSegment = file.getFullPath().lastSegment();
	return getTraceFileNameProvider().isTraceFileName(originLastSegment);
}
 

public static IStorage getResourceBundle(ICompilationUnit compilationUnit) throws JavaModelException {
	IJavaProject project= compilationUnit.getJavaProject();
	if (project == null)
		return null;

	String name= getResourceBundleName(compilationUnit);
	if (name == null)
		return null;

	String packName= Signature.getQualifier(name);
	String resourceName= Signature.getSimpleName(name) + NLSRefactoring.PROPERTY_FILE_EXT;

	return getResourceBundle(project, packName, resourceName);
}
 

@Override
public CheckGeneratorConfig get(final URI uri) {
  CheckGeneratorConfig result = new CheckGeneratorConfig();
  IProject project = null;
  if (uri != null) {
    Pair<IStorage, IProject> pair = Iterables.getFirst(storage2UriMapper.getStorages(uri), null);
    if (pair != null) {
      project = pair.getSecond();
    }
  }
  xbaseBuilderPreferenceAccess.loadBuilderPreferences(result, project);
  return result;
}
 

@Override
protected ResourceSet getResourceSet(/* @Nullable */ IStorage storage) {
	if (storage instanceof IJarEntryResource) {
		IPackageFragmentRoot root = ((IJarEntryResource) storage).getPackageFragmentRoot();
		if (root != null) {
			IJavaProject project = root.getJavaProject();
			if (project != null)
				return getResourceSetProvider().get(project.getProject());
		}
	} 
	return super.getResourceSet(storage);
}
 

@SuppressWarnings("rawtypes")
@Override
public Object getAdapter(Class adapter) {
	Object adapted = super.getAdapter(adapter);
	if (adapted == null) {
		if (IStorage.class.equals(adapter)) {
			return fStorage;
		}
	}
	return adapted;
}