Java Code Examples for org.eclipse.core.resources.IFile

@Test
public void testRenameXtendDispatchMethod_2() throws Exception {
	String superModel = "class Super { def dispatch foo(Integer x) {} def dispatch foo(Object x) {} }";
	IFile superClass = createFile("Super.xtend", superModel);
	String subModel = "class Sub extends Super { def dispatch foo(String x) {} }";
	IFile subClass = createFile("Sub.xtend", subModel);
	String javaCallerModel = "public class JavaCaller { void bar(Sub x) { x.foo(new Object()); x._foo(\"\"); } }";
	IFile javaCaller = createFile("JavaCaller.java", javaCallerModel);
	String xtendCallerModel = "class XtendCaller { def bar(Super x) { x.foo(1) } }";
	IFile xtendCaller = createFile("XtendCaller.xtend", xtendCallerModel);
	final XtextEditor editor = openEditorSafely(subClass);
	// on Galileo, _foo is a discouraged method name
	renameXtendElement(editor, subModel.indexOf("foo"), "baz", RefactoringStatus.WARNING);
	assertDocumentContains(editor, subModel.replace("foo", "baz"));
	fileAsserts.assertFileContains(xtendCaller, xtendCallerModel.replace("foo", "baz"));
	fileAsserts.assertFileContains(javaCaller, javaCallerModel.replace("foo", "baz"));
	fileAsserts.assertFileContains(superClass, superModel.replace("foo", "baz"));
}
 

/**
 * This operation checks the ability of the ItemManager to load a single
 * Item.
 */
@Test
public void checkSingleItemLoad() {
	// Reset the fake provider
	fakePersistenceProvider.reset();
	// Create a fake file and direct the manager to load it
	IFile fakeFile = new FakeIFile();
	Form form = itemManager.loadItem(fakeFile);
	// The form should not be null since the FakePersistenceProvider creates
	// an Item.
	assertNotNull(form);
	// Make sure the name matches the one in the FakePersistenceProvider and
	// that the load operation was called.
	assertEquals("The Doctor", form.getName());
	assertTrue(fakePersistenceProvider.allLoaded());
	// Reset the fake provider one more time, just to be polite.
	fakePersistenceProvider.reset();

	return;
}
 

private void inferModuleAndHostPage(IResource selection) {
  if (selection.getType() == IResource.FILE) {
    if ("html".equalsIgnoreCase(selection.getFileExtension())) {
      for (IFile module : allHostPagesByModule.keySet()) {
        if (allHostPagesByModule.get(module).contains(selection)) {
          // Try to infer the module from the host page
          inferFromHostPage(selection);
        }
      }
    } else if (ModuleUtils.isModuleXml(selection)) {
      if (allHostPagesByModule.containsKey(selection)) {
        // Try to infer the host page from the selected module
        inferFromModule(selection);
      }
    }
  } else if (selection.getType() == IResource.PROJECT) {
    // Try to infer the module and host page from the project
    inferFromProject(selection.getProject());
  }
}
 

@Test
public void testStandardFacetInstallation() throws IOException, CoreException {
  projects = ProjectUtils.importProjects(getClass(),
      "projects/test-dynamic-web-project.zip", true /* checkBuildErrors */, null);
  assertEquals(1, projects.size());
  IProject project = projects.values().iterator().next();
  IFacetedProject facetedProject = ProjectFacetsManager.create(project);
  // verify that the appengine-web.xml is installed in the dynamic web root folder
  AppEngineStandardFacet.installAppEngineFacet(facetedProject, true, null);
  IFile correctAppEngineWebXml = project.getFile("war/WEB-INF/appengine-web.xml");
  IFile wrongAppEngineWebXml = project.getFile("src/main/webapp/WEB-INF/appengine-web.xml");
  assertTrue(correctAppEngineWebXml.exists());
  assertFalse(wrongAppEngineWebXml.exists());

  ProjectUtils.waitForProjects(project); // App Engine runtime is added via a Job, so wait.
  IRuntime primaryRuntime = facetedProject.getPrimaryRuntime();
  assertTrue(AppEngineStandardFacet.isAppEngineStandardRuntime(primaryRuntime));
}
 

/**
 * Signal handler for the traceOpened signal.
 *
 * @param signal
 *            The incoming signal
 */
@TmfSignalHandler
public synchronized void traceOpened(final TmfTraceOpenedSignal signal) {
    final ITmfTrace trace = signal.getTrace();
    final IFile editorFile = signal.getEditorFile();

    final TmfTimeRange windowRange = trace.getInitialTimeRange();
    final ITmfTimestamp startTs = windowRange.getStartTime();
    final TmfTimeRange selectionRange = new TmfTimeRange(startTs, startTs);

    final TmfTraceContext startCtx = trace.createTraceContext(selectionRange, windowRange, editorFile, null);

    fTraces.put(trace, startCtx);

    IResource resource = trace.getResource();
    if (resource != null) {
        fInstanceCounts.add(resource);
        updateTraceContext(trace, builder -> builder.setInstanceNumber(fInstanceCounts.count(resource)));
    }

    /* We also want to set the newly-opened trace as the active trace */
    fCurrentTrace = trace;
}
 

public TextFileChange getChange(IFile file) throws CoreException {
	final SelfEncapsulateFieldRefactoring refactoring= new SelfEncapsulateFieldRefactoring(fField);
	refactoring.setVisibility(Flags.AccPublic);
	refactoring.setConsiderVisibility(false);//private field references are just searched in local file
	refactoring.checkInitialConditions(new NullProgressMonitor());
	refactoring.checkFinalConditions(new NullProgressMonitor());
	Change createdChange= refactoring.createChange(new NullProgressMonitor());
	if (createdChange instanceof CompositeChange) {
		Change[] children= ((CompositeChange) createdChange).getChildren();
		for (int i= 0; i < children.length; i++) {
			Change curr= children[i];
			if (curr instanceof TextFileChange && ((TextFileChange) curr).getFile().equals(file)) {
				return (TextFileChange) curr;
			}
		}
	}
	return null;
}
 

@Test
public void testJavaSourceLevelMismatch() throws Exception {
	IProject project = testHelper.getProject();

	// create a fake java.util.List without type param
	IFolder folder = project.getFolder(new Path("src/java/util"));
	IResourcesSetupUtil.createFolder(folder.getFullPath());
	IFile list = folder.getFile("List.xtend");
	list.create(new StringInputStream("package java.util; class List {}"), true, null);

	IFile file = project.getFile("src/Foo.xtend");
	if (!file.exists())
		file.create(new StringInputStream(TEST_CLAZZ),
				true, null);
	IResourcesSetupUtil.cleanBuild();
	IResourcesSetupUtil.waitForBuild();
	markerAssert.assertErrorMarker(file, IssueCodes.JDK_NOT_ON_CLASSPATH);

	list.delete(true, null);
	IResourcesSetupUtil.cleanBuild();
	IResourcesSetupUtil.waitForBuild();
	markerAssert.assertNoErrorMarker(file);
}
 

/**
 * This also changes the editor's input.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
@Override
public void doSaveAs ()
{
    SaveAsDialog saveAsDialog = new SaveAsDialog ( getSite ().getShell () );
    saveAsDialog.open ();
    IPath path = saveAsDialog.getResult ();
    if ( path != null )
    {
        IFile file = ResourcesPlugin.getWorkspace ().getRoot ().getFile ( path );
        if ( file != null )
        {
            doSaveAs ( URI.createPlatformResourceURI ( file.getFullPath ().toString (), true ), new FileEditorInput ( file ) );
        }
    }
}
 

@Override
public void setUp() throws Exception {
	super.setUp();
	modelAsText = "stuff mystuff\nstuff yourstuff refs _mystuff stuff hisstuff refs _yourstuff// Comment";
	IFile file = IResourcesSetupUtil.createFile("test/test.testlanguage", modelAsText);
	editor = openEditor(file);
	document = editor.getDocument();
	hover = TestsActivator.getInstance().getInjector(getEditorId()).getInstance(ProblemAnnotationHover.class);
	hover.setSourceViewer(editor.getInternalSourceViewer());
	List<Issue> issues = document.readOnly(new IUnitOfWork<List<Issue>, XtextResource>() {
		@Override
		public List<Issue> exec(XtextResource state) throws Exception {
			return state.getResourceServiceProvider().getResourceValidator().validate(state, CheckMode.ALL, null);
		}	
	});
	MarkerCreator markerCreator =  TestsActivator.getInstance().getInjector(getEditorId()).getInstance(MarkerCreator.class);
	for (Issue issue : issues) {
		markerCreator.createMarker(issue, file, MarkerTypes.forCheckType(issue.getType()));
	}
}
 

/**
 * Check if index is populated only with workspace project content when the external location with single project is
 * registered and workspace contains project with the same name. External library is registered before project is
 * created in the workspace.
 */
@Test
public void testWorkspaceProjectHidingExternalProject_after() throws Exception {
	IProject createJSProject = ProjectTestsUtils.createJSProject(PROBAND_LIBFOO);
	IFolder src = configureProjectWithXtext(createJSProject);
	IFile packageJson = createJSProject.getProject().getFile(IN4JSProject.PACKAGE_JSON);
	assertMarkers("package.json of first project should have no errors", packageJson, 0);

	createTestFile(src, "Foo", "console.log('hi')");
	createTestFile(src, "AAAA", "console.log('hi')");
	createTestFile(src, "BBB", "console.log('hi')");
	waitForAutoBuild();

	copyProjectsToLocation(projectsRoot, externalLibrariesRoot, PROBAND_LIBFOO);
	ProjectTestsUtils.importDependencies(new EclipseProjectName(createJSProject.getName()).toN4JSProjectName(),
			externalLibrariesRoot.toUri(), libraryManager);

	Collection<String> expectedWorkspace = collectIndexableFiles(ResourcesPlugin.getWorkspace());
	// remove those that are shadowed
	expectedWorkspace.remove("/LibFoo/node_modules/LibFoo/src/Foo.n4js");
	expectedWorkspace.remove("/LibFoo/node_modules/LibFoo/package.json");

	assertResourceDescriptions(expectedWorkspace, BuilderUtil.getAllResourceDescriptions());
}
 

/**
 * returns false if source and destination are the same (in workspace or on disk)
 * in such case, no action should be performed
 * @param pm the progress monitor
 * @param newName the new name
 * @return returns <code>true</code> if the resource already exists
 * @throws CoreException thrown when teh resource cannpt be accessed
 */
private boolean deleteIfAlreadyExists(IProgressMonitor pm, String newName) throws CoreException {
	pm.beginTask("", 1); //$NON-NLS-1$
	IResource current= getDestination().findMember(newName);
	if (current == null)
		return true;
	if (! current.exists())
		return true;

	IResource resource= getResource();
	Assert.isNotNull(resource);

	if (ReorgUtils.areEqualInWorkspaceOrOnDisk(resource, current))
		return false;

	if (current instanceof IFile)
		((IFile)current).delete(false, true, new SubProgressMonitor(pm, 1));
	else if (current instanceof IFolder)
		((IFolder)current).delete(false, true, new SubProgressMonitor(pm, 1));
	else
		Assert.isTrue(false);

	return true;
}
 

@Override
protected IFile[] getChangedFiles() throws CoreException {
	Set<IFile> combined= new HashSet<>();
	combined.addAll(Arrays.asList(ResourceUtil.getFiles(fChangeManager.getAllCompilationUnits())));
	if (fRenameSubpackages) {
		IPackageFragment[] allPackages= JavaElementUtil.getPackageAndSubpackages(fPackage);
		for (int i= 0; i < allPackages.length; i++) {
			combined.addAll(Arrays.asList(ResourceUtil.getFiles(allPackages[i].getCompilationUnits())));
		}
	} else {
		combined.addAll(Arrays.asList(ResourceUtil.getFiles(fPackage.getCompilationUnits())));
	}
	if (fQualifiedNameSearchResult != null) {
		combined.addAll(Arrays.asList(fQualifiedNameSearchResult.getAllFiles()));
	}
	return combined.toArray(new IFile[combined.size()]);
}
 

@Test
public void testTSXFile() throws Exception {
	final IFile file = project.getFile("blah.tsx");
	file.create(new ByteArrayInputStream("ERROR".getBytes()), true, null);
	ITextEditor editor = (ITextEditor) IDE.openEditor(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), file);
	editor.getDocumentProvider().getDocument(editor.getEditorInput()).set("FAIL");
	assertTrue("Diagnostic not published", new DisplayHelper() {
		@Override
		protected boolean condition() {
			try {
				return file.findMarkers("org.eclipse.lsp4e.diagnostic", true, IResource.DEPTH_ZERO).length != 0;
			} catch (CoreException e) {
				return false;
			}
		}
	}.waitForCondition(PlatformUI.getWorkbench().getDisplay(), 5000));
}
 

private void openFile(IFile file) {
	IEditorRegistry registry = PlatformUI.getWorkbench()
			.getEditorRegistry();
	if (registry.isSystemExternalEditorAvailable(file.getName())) {

		/**
		 * in case of opening the exported file from an other thread e.g. in
		 * case of listening to an IResourceChangeEvent
		 */
		Display.getDefault().asyncExec(new Runnable() {

			@Override
			public void run() {
				IWorkbenchPage page = PlatformUI.getWorkbench()
						.getActiveWorkbenchWindow().getActivePage();
				try {
					page.openEditor(new FileEditorInput(file),
							IEditorRegistry.SYSTEM_EXTERNAL_EDITOR_ID);
				} catch (PartInitException e) {
					DotActivatorEx.logError(e);
				}
			}
		});
	}
}
 

@Test
public void testNoErrors() throws Exception {
	IResourcesSetupUtil.createFile("bug462047/src/a.bug462047lang", "element CORE ref CORE.b");
	IFile file = IResourcesSetupUtil.createFile("bug462047/src/b.bug462047lang", "element b ref CORE.c");
	IResourcesSetupUtil.createFile("bug462047/src/c.bug462047lang", "element c");
	IResourcesSetupUtil.waitForBuild();
	IResourcesSetupUtil.assertNoErrorsInWorkspace();
	LoggingTester.captureLogging(Level.ERROR, BatchLinkableResource.class, ()-> {
		
		try {
			XtextEditor editor = openEditor(file);
			IXtextDocument document = editor.getDocument();
			document.readOnly((XtextResource res)->{
				EcoreUtil.resolveAll(res);
				ResourceSet resourceSet = res.getResourceSet();
				assertNull(resourceSet.getResource(URI.createURI("java:/Objects/CORE.CORE"), false));
				return null;
			});
		} catch (Exception e) {
			throw new RuntimeException(e);
		}
	}).assertNoLogEntries();
}
 

private void setFileContent(InputStream inputStream, IFile ifile, IProgressMonitor monitor) throws CoreException {
    if (ifile.exists()) {
        ifile.setContents(inputStream, 0, monitor);
    } else {
        ifile.create(inputStream, 0, monitor);
    }
}
 

@SuppressWarnings("rawtypes")
public Object getAdapter(Object adaptableObject, Class adapterType) {
	if (adapterType == IConversionItem.class) {
		return new FileConversionItem((IFile) adaptableObject);
	}
	return null;
}
 

public void testCreateChange() {
  DefaultChangeFactory factory = new DefaultChangeFactory();

  // This file doesn't need to actually exist in the workspace
  IFile file = Util.getWorkspaceRoot().getFile(
      new Path("/Project/src/com/google/gwt/GWT.java"));

  // Create a text file change and verify its properties
  TextFileChange change = factory.createChange(file);
  assertEquals(file, change.getFile());
  assertEquals(file.getName(), change.getName());
}
 

private GamaOsmFile.OSMInfo createOSMMetaData(final IFile file) {
	OSMInfo info = null;
	try {
		info = new OSMInfo(file.getLocationURI().toURL(), file.getModificationStamp());
	} catch (final MalformedURLException e) {
		e.printStackTrace();
	}
	return info;

}
 

@Override
public void fillContextMenu(IMenuManager menu) {
    ISelection selection = getContext().getSelection();
    if (selection instanceof IStructuredSelection) {
        IStructuredSelection structuredSelection = (IStructuredSelection) selection;
        if (structuredSelection.size() == 1 && structuredSelection.getFirstElement() instanceof TmfTraceElement) {
            TmfTraceElement traceElement = (TmfTraceElement) structuredSelection.getFirstElement();
            if (traceElement.getResource() instanceof IFile) {
                MenuManager openWithMenu = new MenuManager(Messages.TmfActionProvider_OpenWith);
                openWithMenu.add(new OpenWithMenu(page, traceElement.getResource()));
                menu.insertAfter(ICommonMenuConstants.GROUP_OPEN_WITH, openWithMenu);
            }
        }
    }
}
 

public RemoveIndexOfFilesOfProjectJob(IProject project, Set<IFile> files)
{
	super(MessageFormat.format(Messages.RemoveIndexOfFilesOfProjectJob_Name, project.getName()), project
			.getLocationURI());
	this.project = project;
	this.files = files;
}
 

/**
 * 使用系统默认编辑器打开文件
 * @param file
 *            IFile 对象（工作空间内的文件）;
 */
public static void OpenFileWithSystemEditor(IFile file) {
	try {
		IDE.openEditor(getCurrentPage(), file, IEditorRegistry.SYSTEM_EXTERNAL_EDITOR_ID);
	} catch (PartInitException e) {
		e.printStackTrace();
	}
}
 

@Test public void testFixedJavaReference_04() throws Exception {
	IFile file = createFile("src/foo"+extension, "default pack.SomeFile$Nested");
	waitForBuild();
	assertEquals(printMarkers(file), 2, countMarkers(file));
	IFile javaFile = createFile("src/pack/SomeFile.java", "package pack; class SomeFile {}");
	assertEquals(printMarkers(file), 2, countMarkers(file));
	javaFile.setContents(new StringInputStream("package pack; class SomeFile { class Nested {} }"), true, true,	monitor());
	waitForBuild();
	assertEquals(printMarkers(file), 0, countMarkers(file));
}
 

@Override
public void createFile(String projectName, String path, int size, boolean compressAble)
    throws RemoteException {

  log.trace(
      "creating file in project '"
          + projectName
          + "', path '"
          + path
          + "' size: "
          + size
          + ", compressAble="
          + compressAble);

  path = path.replace('\\', '/');

  int idx = path.lastIndexOf('/');

  if (idx != -1) createFolder(projectName, path.substring(0, idx));

  IFile file = ResourcesPlugin.getWorkspace().getRoot().getProject(projectName).getFile(path);

  try {
    file.create(new GeneratingInputStream(size, compressAble), true, null);
  } catch (CoreException e) {
    log.error(e.getMessage(), e);
    throw new RemoteException(e.getMessage(), e.getCause());
  }
}
 

private void run(SearchPatternData[] data, String scope) {
	List<IType> wrappers= new ArrayList<IType>();
	List<IFile> properties= new ArrayList<IFile>();
	for (int i= 0; i < data.length; i++) {
		SearchPatternData current= data[i];
		if (current.getWrapperClass() != null || current.getPropertyFile() != null) {
			wrappers.add(current.getWrapperClass());
			properties.add(current.getPropertyFile());
		}
	}
	IType[] accessorClasses= wrappers.toArray(new IType[wrappers.size()]);
	IFile[] propertieFiles= properties.toArray(new IFile[properties.size()]);
	SearchBrokenNLSKeysUtil.search(scope, accessorClasses, propertieFiles);
}
 

@Override
public String importFileAsItem(IFile file, String itemType) {
	// Local Declarations
	String returnString = String.valueOf(0);

	// if (file != null && itemType != null) {
	returnString = String.valueOf(1);
	imported = true;
	// }

	return returnString;
}
 

@Override
protected void doSaveDocument(IProgressMonitor monitor, Object element, ICasDocument document,
        boolean overwrite) throws CoreException {

  if (element instanceof FileEditorInput) {
    FileEditorInput fileInput = (FileEditorInput) element;

    IFile file = fileInput.getFile();

    if (document instanceof DocumentUimaImpl) {

      DocumentUimaImpl documentImpl = (DocumentUimaImpl) document;

      ByteArrayOutputStream outStream = new ByteArrayOutputStream(40000);
      documentImpl.serialize(outStream);

      InputStream stream = new ByteArrayInputStream(outStream.toByteArray());
      
      isFileChangeTrackingEnabled = false;
      
      try {
        file.setContents(stream, true, false, null);
      }
      finally {
        isFileChangeTrackingEnabled = true;
      }
    }
  }

  // tell everyone that the element changed and is not dirty any longer
  fireElementDirtyStateChanged(element, false);
}
 

/**
     * 
     * @param o
     * @return
     */
    public PreservingProperties.ContentFacade getFacadeForObject(Object o) {
        if (o instanceof IFile) {
            return new EFSFileProvider((IFile)o);
        }
// @TODO might want to implement other instances of ContentFacade
//        else if (o instanceof String) {
//          how do we get IFile from a path here, vs. java.io.File?
//        }
//        else if (o instanceof java.io.File {
//        }
         
        return null;
    }
 

@Test
public void testRenameStaticImportStable() throws Exception {
	String xtendModel = "import static java.util.Collections.* class XtendClass { def foo() { val bar = new Object() singleton(bar)}}";
	IFile xtendClass = createFile("XtendClass.xtend", xtendModel);
	final XtextEditor editor = openEditorSafely(xtendClass);
	renameXtendElement(editor, xtendModel.indexOf("bar"), "baz");
	assertDocumentContains(editor, "import static java.util.Collections.*");
}
 

/**
 * Retrieves the IFile object of the actually used source file, no matter
 * if it actually exists.
 * This method is used to respect partial builds.
 *
 * @return actually selected source file, or null if no source file has
 *  been set
 */
private IFile getActualSourceFile() {
    if (currentSourceFile == null) {
        return sourceFile;
    }
    else {
        return currentSourceFile;
    }
}