Java Code Examples for org.eclipse.jdt.core.ICompilationUnit#makeConsistent()

@Test
public void testCompletionOnQualifiedName() throws Exception{
	URI fileURI = openFile("maven/salut4", "src/main/java/java/Completion.java");
	ICompilationUnit cu = JDTUtils.resolveCompilationUnit(fileURI);
	assertNotNull(cu);
	cu.getBuffer().setContents("package java;\n\n" +
		"public class Completion {\n" +
		"	void foo() {\n" +
		"		String str = new String(\"hello\");\n" +
		"		str.starts" +
		"	}\n" +
		"}\n");
	cu.makeConsistent(null);

	int[] loc = findLocation(cu, "str.starts");
	String fileUri = ResourceUtils.fixURI(fileURI);
	TextDocumentIdentifier identifier = new TextDocumentIdentifier(fileUri);
	CompletionParams params = new CompletionParams(identifier, new Position(loc[0], loc[1]));
	CompletionList list = server.completion(params).join().getRight();
	assertNotNull(list);
	assertFalse("No proposals were found", list.getItems().isEmpty());

	List<CompletionItem> items = list.getItems();
	for (CompletionItem item : items) {
		assertTrue(StringUtils.isNotBlank(item.getLabel()));
		assertTrue(item.getLabel().startsWith("starts"));
		assertEquals(CompletionItemKind.Method, item.getKind());
		assertTrue(StringUtils.isNotBlank(item.getSortText()));
	}
}
 

protected ICompilationUnit getWorkingCopy(String path, String source) throws JavaModelException {
	ICompilationUnit workingCopy = getCompilationUnit(path);
	workingCopy.getWorkingCopy(wcOwner, monitor);
	workingCopy.getBuffer().setContents(source);
	workingCopy.makeConsistent(monitor);
	return workingCopy;
}
 

private void deleteElement(IJavaElement elementToRemove, ICompilationUnit cu) throws JavaModelException {
	// ensure cu is consistent (noop if already consistent)
	cu.makeConsistent(this.progressMonitor);
	this.parser.setSource(cu);
	CompilationUnit astCU = (CompilationUnit) this.parser.createAST(this.progressMonitor);
	ASTNode node = ((JavaElement) elementToRemove).findNode(astCU);
	if (node == null)
		Assert.isTrue(false, "Failed to locate " + elementToRemove.getElementName() + " in " + cu.getElementName()); //$NON-NLS-1$//$NON-NLS-2$
	AST ast = astCU.getAST();
	ASTRewrite rewriter = ASTRewrite.create(ast);
	rewriter.remove(node, null);
		TextEdit edits = rewriter.rewriteAST();
		applyTextEdit(cu, edits);
}
 

protected CompilationUnit parse(ICompilationUnit cu) throws JavaModelException {
	// ensure cu is consistent (noop if already consistent)
	cu.makeConsistent(this.progressMonitor);
	// create an AST for the compilation unit
	ASTParser parser = ASTParser.newParser(AST.JLS8);
	parser.setSource(cu);
	return (CompilationUnit) parser.createAST(this.progressMonitor);
}
 

private IStatus performValidation(IProgressMonitor monitor) throws JavaModelException {
	long start = System.currentTimeMillis();

	List<ICompilationUnit> cusToReconcile;
	synchronized (toReconcile) {
		if (toReconcile.isEmpty()) {
			return Status.OK_STATUS;
		}
		cusToReconcile = new ArrayList<>(toReconcile.size());
		cusToReconcile.addAll(toReconcile);
		toReconcile.clear();
	}
	if (monitor.isCanceled()) {
		return Status.CANCEL_STATUS;
	}
	// first reconcile all units with content changes
	SubMonitor progress = SubMonitor.convert(monitor, cusToReconcile.size() + 1);
	for (ICompilationUnit cu : cusToReconcile) {
		if (monitor.isCanceled()) {
			return Status.CANCEL_STATUS;
		}
		cu.makeConsistent(progress);
		//cu.reconcile(ICompilationUnit.NO_AST, false, null, progress.newChild(1));
	}
	JavaLanguageServerPlugin.logInfo("Reconciled " + toReconcile.size() + ". Took " + (System.currentTimeMillis() - start) + " ms");
	if (monitor.isCanceled()) {
		return Status.CANCEL_STATUS;
	}
	if (publishDiagnosticsJob != null) {
		publishDiagnosticsJob.cancel();
		try {
			publishDiagnosticsJob.join();
		} catch (InterruptedException e) {
			// ignore
		}
		if (monitor.isCanceled()) {
			return Status.CANCEL_STATUS;
		}
		publishDiagnosticsJob.schedule(400);
	} else {
		return publishDiagnostics(new NullProgressMonitor());
	}
	return Status.OK_STATUS;
}
 

@Test
public void testCompletionOnSingleName() throws Exception{
	URI fileURI = openFile("maven/salut4", "src/main/java/java/Completion.java");
	ICompilationUnit cu = JDTUtils.resolveCompilationUnit(fileURI);
	assertNotNull(cu);
	cu.getBuffer().setContents("package java;\n\n" +
		"public class Completion {\n" +
		"	void foo() {\n" +
		"		Objec\n" +
		"	}\n" +
		"}\n");
	cu.makeConsistent(null);

	int[] loc = findLocation(cu, "Objec");
	String fileUri = ResourceUtils.fixURI(fileURI);
	TextDocumentIdentifier identifier = new TextDocumentIdentifier(fileUri);
	CompletionParams params = new CompletionParams(identifier, new Position(loc[0], loc[1]));
	CompletionList list = server.completion(params).join().getRight();
	assertNotNull(list);
	assertFalse("No proposals were found", list.getItems().isEmpty());

	List<CompletionItem> items = list.getItems();
	for (CompletionItem item : items) {
		assertTrue(StringUtils.isNotBlank(item.getLabel()));
		assertNotNull(item.getKind());
		assertTrue(StringUtils.isNotBlank(item.getSortText()));
		//text edits are set during calls to "completion"
		assertNotNull(item.getTextEdit());
		assertTrue(StringUtils.isNotBlank(item.getInsertText()));
		assertNotNull(item.getFilterText());
		assertFalse(item.getFilterText().contains(" "));
		assertTrue(item.getLabel().startsWith(item.getInsertText()));
		assertTrue(item.getFilterText().startsWith("Objec"));
		//Check contains data used for completionItem resolution
		@SuppressWarnings("unchecked")
		Map<String,String> data = (Map<String, String>) item.getData();
		assertNotNull(data);
		assertTrue(StringUtils.isNotBlank(data.get(CompletionResolveHandler.DATA_FIELD_URI)));
		assertTrue(StringUtils.isNotBlank(data.get(CompletionResolveHandler.DATA_FIELD_PROPOSAL_ID)));
		assertTrue(StringUtils.isNotBlank(data.get(CompletionResolveHandler.DATA_FIELD_REQUEST_ID)));
	}
}
 

@Test
public void testResolveCompletion() throws Exception {
	URI fileURI = openFile("maven/salut4", "src/main/java/java/Completion.java");
	ICompilationUnit cu = JDTUtils.resolveCompilationUnit(fileURI);
	assertNotNull(cu);
	cu.getBuffer().setContents("package java;\n\n" +
		"public class Completion {\n" +
		"	public static void main(String[] args) {\n" +
		"		fo\n" +
		"		System.out.println(\"Hello World!\");\n" +
		"	}\n\n" +
		"	/**\n" +
		"	* This method has Javadoc\n" +
		"	*/\n" +
		"	public static void foo(String bar) {\n" +
		"	}\n" +
		"	/**\n" +
		"	* Another Javadoc\n" +
		"	*/\n" +
		"	public static void foo() {\n" +
		"	}\n" +
		"}\n");
	cu.makeConsistent(null);

	int[] loc = findLocation(cu, "\t\tfo");
	String fileUri = ResourceUtils.fixURI(fileURI);
	TextDocumentIdentifier identifier = new TextDocumentIdentifier(fileUri);
	CompletionParams params = new CompletionParams(identifier, new Position(loc[0], loc[1]));
	CompletionList list = server.completion(params).join().getRight();
	assertNotNull(list);
	CompletionItem ci = list.getItems().stream().filter(item -> item.getLabel().startsWith("foo(String bar) : void")).findFirst().orElse(null);
	assertNotNull(ci);
	CompletionItem resolvedItem = server.resolveCompletionItem(ci).join();
	assertNotNull(resolvedItem);
	assertNotNull(resolvedItem.getDocumentation());
	assertNotNull(resolvedItem.getDocumentation().getLeft());
	String javadoc = resolvedItem.getDocumentation().getLeft();
	assertEquals(javadoc, " This method has Javadoc ");
	ci = list.getItems().stream().filter(item -> item.getLabel().startsWith("foo() : void")).findFirst().orElse(null);
	assertNotNull(ci);
	resolvedItem = server.resolveCompletionItem(ci).join();
	assertNotNull(resolvedItem);
	assertNotNull(resolvedItem.getDocumentation());
	assertNotNull(resolvedItem.getDocumentation().getLeft());
	javadoc = resolvedItem.getDocumentation().getLeft();
	assertEquals(javadoc, " Another Javadoc ");
}