Java Code Examples for org.eclipse.jdt.ls.core.internal.JDTUtils#resolveClassFile()

@Test
public void testHoverThrowable() throws Exception {
	String uriString = ClassFileUtil.getURI(project, "java.lang.Exception");
	IClassFile classFile = JDTUtils.resolveClassFile(uriString);
	String contents = JavaLanguageServerPlugin.getContentProviderManager().getSource(classFile, monitor);
	IDocument document = new Document(contents);
	IRegion region = new FindReplaceDocumentAdapter(document).find(0, "Throwable", true, false, false, false);
	int offset = region.getOffset();
	int line = document.getLineOfOffset(offset);
	int character = offset - document.getLineOffset(line);
	TextDocumentIdentifier textDocument = new TextDocumentIdentifier(uriString);
	Position position = new Position(line, character);
	TextDocumentPositionParams params = new TextDocumentPositionParams(textDocument, position);
	Hover hover = handler.hover(params, monitor);
	assertNotNull(hover);
	assertTrue("Unexpected hover ", !hover.getContents().getLeft().isEmpty());
}
 

private static IPackageFragmentRoot getPackageFragmentRoot(String classFileUri) throws CoreException {
	IClassFile classFile = JDTUtils.resolveClassFile(classFileUri);
	if (classFile == null) {
		throw constructCoreException("Cannot find the class file " + classFileUri);
	}

	IPackageFragmentRoot root = getPackageFragmentRoot(classFile);
	if (root == null) {
		throw constructCoreException("Cannot find the JAR containing this class file " + classFileUri);
	}

	return root;
}
 

public List<CodeLens> getCodeLensSymbols(String uri, IProgressMonitor monitor) {
	if (!preferenceManager.getPreferences().isCodeLensEnabled()) {
		return Collections.emptyList();
	}
	final ICompilationUnit unit = JDTUtils.resolveCompilationUnit(uri);
	IClassFile classFile = null;
	if (unit == null) {
		classFile = JDTUtils.resolveClassFile(uri);
		if (classFile == null) {
			return Collections.emptyList();
		}
	} else {
		if (!unit.getResource().exists() || monitor.isCanceled()) {
			return Collections.emptyList();
		}
	}
	try {
		ITypeRoot typeRoot = unit != null ? unit : classFile;
		IJavaElement[] elements = typeRoot.getChildren();
		LinkedHashSet<CodeLens> lenses = new LinkedHashSet<>(elements.length);
		collectCodeLenses(typeRoot, elements, lenses, monitor);
		if (monitor.isCanceled()) {
			lenses.clear();
		}
		return new ArrayList<>(lenses);
	} catch (JavaModelException e) {
		JavaLanguageServerPlugin.logException("Problem getting code lenses for" + unit.getElementName(), e);
	}
	return Collections.emptyList();
}
 

@Test
public void testUpdateSourceAttachment_EmptySourceAttachmentPath() throws Exception {
	SourceAttachmentAttribute attributes = new SourceAttachmentAttribute(null, null, "UTF-8");
	SourceAttachmentRequest request = new SourceAttachmentRequest(classFileUri, attributes);
	String arguments = new Gson().toJson(request, SourceAttachmentRequest.class);
	SourceAttachmentResult updateResult = SourceAttachmentCommand.updateSourceAttachment(Arrays.asList(arguments), new NullProgressMonitor());
	assertNotNull(updateResult);
	assertNull(updateResult.errorMessage);

	// Verify no source is attached to the classfile.
	IClassFile classfile = JDTUtils.resolveClassFile(classFileUri);
	IBuffer buffer = classfile.getBuffer();
	assertNull(buffer);
}
 

@Test
public void testUpdateSourceAttachmentFromProjectJar() throws Exception {
	IResource source = project.findMember("foo-sources.jar");
	assertNotNull(source);
	IPath sourcePath = source.getLocation();
	SourceAttachmentAttribute attributes = new SourceAttachmentAttribute(null, sourcePath.toOSString(), "UTF-8");
	SourceAttachmentRequest request = new SourceAttachmentRequest(classFileUri, attributes);
	String arguments = new Gson().toJson(request, SourceAttachmentRequest.class);
	SourceAttachmentResult updateResult = SourceAttachmentCommand.updateSourceAttachment(Arrays.asList(arguments), new NullProgressMonitor());
	assertNotNull(updateResult);
	assertNull(updateResult.errorMessage);

	// Verify the source is attached to the classfile.
	IClassFile classfile = JDTUtils.resolveClassFile(classFileUri);
	IBuffer buffer = classfile.getBuffer();
	assertNotNull(buffer);
	assertTrue(buffer.getContents().indexOf("return sum;") >= 0);

	// Verify whether project inside jar attachment is saved with project relative path.
	IJavaProject javaProject = JavaCore.create(project);
	IPath relativePath = source.getFullPath();
	IPath absolutePath = source.getLocation();
	for (IClasspathEntry entry : javaProject.getRawClasspath()) {
		if (Objects.equals("foo.jar", entry.getPath().lastSegment())) {
			assertNotNull(entry.getSourceAttachmentPath());
			assertEquals(relativePath, entry.getSourceAttachmentPath());
			assertNotEquals(absolutePath, entry.getSourceAttachmentPath());
			break;
		}
	}
}
 

@Test
public void testUpdateSourceAttachmentFromExternalJar() throws Exception {
	File file = copyFiles("eclipse/external/foo-sources.jar", false);
	IPath sourcePath = Path.fromOSString(file.getAbsolutePath());
	SourceAttachmentAttribute attributes = new SourceAttachmentAttribute(null, sourcePath.toOSString(), "UTF-8");
	SourceAttachmentRequest request = new SourceAttachmentRequest(classFileUri, attributes);
	String arguments = new Gson().toJson(request, SourceAttachmentRequest.class);
	SourceAttachmentResult updateResult = SourceAttachmentCommand.updateSourceAttachment(Arrays.asList(arguments), new NullProgressMonitor());
	assertNotNull(updateResult);
	assertNull(updateResult.errorMessage);

	// Verify the source is attached to the classfile.
	IClassFile classfile = JDTUtils.resolveClassFile(classFileUri);
	IBuffer buffer = classfile.getBuffer();
	assertNotNull(buffer);
	assertTrue(buffer.getContents().indexOf("return sum;") >= 0);

	// Verify whether external jar attachment is saved with absolute path.
	IJavaProject javaProject = JavaCore.create(project);
	IPath relativePath = project.findMember("foo-sources.jar").getFullPath();
	IPath absolutePath = sourcePath;
	for (IClasspathEntry entry : javaProject.getRawClasspath()) {
		if (Objects.equals("foo.jar", entry.getPath().lastSegment())) {
			assertNotNull(entry.getSourceAttachmentPath());
			assertEquals(absolutePath, entry.getSourceAttachmentPath());
			assertNotEquals(relativePath, entry.getSourceAttachmentPath());
			break;
		}
	}
}
 

@Before
public void createURIs() throws Exception {
	importProjects("maven/salut");
	IProject project = WorkspaceHelper.getProject("salut");
	sourcelessURI = JDTUtils.toURI(ClassFileUtil.getURI(project, "java.math.BigDecimal"));
	sourcelessClassFile = JDTUtils.resolveClassFile(sourcelessURI);
	sourceAvailableURI = JDTUtils.toURI(ClassFileUtil.getURI(project, "org.apache.commons.lang3.text.WordUtils"));
	sourceAvailableClassFile = JDTUtils.resolveClassFile(sourceAvailableURI);
}