org.eclipse.jdt.core.ICompilationUnit Java Examples

/**
 * {@inheritDoc}
 */
@Override
protected boolean selectStatusEntry(final RefactoringStatusEntry entry) {
	if (fSourceFolder != null) {
		final IPath source= fSourceFolder.getFullPath();
		final RefactoringStatusContext context= entry.getContext();
		if (context instanceof JavaStatusContext) {
			final JavaStatusContext extended= (JavaStatusContext) context;
			final ICompilationUnit unit= extended.getCompilationUnit();
			if (unit != null) {
				final IResource resource= unit.getResource();
				if (resource != null && source.isPrefixOf(resource.getFullPath()))
					return false;
			}
		}
	}
	return super.selectStatusEntry(entry);
}
 

private static boolean isBinaryElement(Object element) throws JavaModelException {
	if (element instanceof IMember) {
		return ((IMember)element).isBinary();

	} else if (element instanceof ICompilationUnit) {
		return true;

	} else if (element instanceof IClassFile) {
		return false;

	} else if (element instanceof IPackageFragment) {
		return isBinaryElement(((IPackageFragment) element).getParent());

	} else if (element instanceof IPackageFragmentRoot) {
		return ((IPackageFragmentRoot) element).getKind() == IPackageFragmentRoot.K_BINARY;

	}
	return false;

}
 

@Override
public ICompilationUnit handleOpen(DidOpenTextDocumentParams params) {
	ICompilationUnit unit = super.handleOpen(params);

	if (unit == null || unit.getResource() == null || unit.getResource().isDerived()) {
		return unit;
	}

	try {
		installSemanticHighlightings(unit);
	} catch (JavaModelException | BadPositionCategoryException e) {
		JavaLanguageServerPlugin.logException("Error while opening document. URI: " + params.getTextDocument().getUri(), e);
	}

	return unit;
}
 

@Override
protected void addEdits(IDocument doc, TextEdit root) throws CoreException {
	super.addEdits(doc, root);

	ICompilationUnit cu= getCompilationUnit();

	IPackageFragment parentPack= (IPackageFragment) cu.getParent();
	IPackageDeclaration[] decls= cu.getPackageDeclarations();

	if (parentPack.isDefaultPackage() && decls.length > 0) {
		for (int i= 0; i < decls.length; i++) {
			ISourceRange range= decls[i].getSourceRange();
			root.addChild(new DeleteEdit(range.getOffset(), range.getLength()));
		}
		return;
	}
	if (!parentPack.isDefaultPackage() && decls.length == 0) {
		String lineDelim = "\n";
		String str= "package " + parentPack.getElementName() + ';' + lineDelim + lineDelim; //$NON-NLS-1$
		root.addChild(new InsertEdit(0, str));
		return;
	}

	root.addChild(new ReplaceEdit(fLocation.getOffset(), fLocation.getLength(), parentPack.getElementName()));
}
 

@Test
public void testJavaFormatEnable() throws Exception {
	String text =
	//@formatter:off
			"package org.sample   ;\n\n" +
			"      public class Baz {  String name;}\n";
		//@formatter:on"
	ICompilationUnit unit = getWorkingCopy("src/org/sample/Baz.java", text);
	preferenceManager.getPreferences().setJavaFormatEnabled(false);
	String uri = JDTUtils.toURI(unit);
	TextDocumentIdentifier textDocument = new TextDocumentIdentifier(uri);
	FormattingOptions options = new FormattingOptions(4, true);// ident == 4 spaces
	DocumentFormattingParams params = new DocumentFormattingParams(textDocument, options);
	List<? extends TextEdit> edits = server.formatting(params).get();
	assertNotNull(edits);
	String newText = TextEditUtil.apply(unit, edits);
	assertEquals(text, newText);
}
 

private static TextChange addTextEditFromRewrite(TextChangeManager manager, ICompilationUnit cu, ASTRewrite rewrite) throws CoreException {
	try {
		ITextFileBuffer buffer= RefactoringFileBuffers.acquire(cu);
		TextEdit resultingEdits= rewrite.rewriteAST(buffer.getDocument(), cu.getJavaProject().getOptions(true));
		TextChange textChange= manager.get(cu);
		if (textChange instanceof TextFileChange) {
			TextFileChange tfc= (TextFileChange) textChange;
			tfc.setSaveMode(TextFileChange.KEEP_SAVE_STATE);
		}
		String message= RefactoringCoreMessages.DeleteChangeCreator_1;
		TextChangeCompatibility.addTextEdit(textChange, message, resultingEdits);
		return textChange;
	} finally {
		RefactoringFileBuffers.release(cu);
	}
}
 

public static ICompilationUnit findCompilationUnitForBinding(ICompilationUnit cu, CompilationUnit astRoot, ITypeBinding binding) throws JavaModelException {
	if (binding == null || !binding.isFromSource() || binding.isTypeVariable() || binding.isWildcardType()) {
		return null;
	}
	ASTNode node= astRoot.findDeclaringNode(binding.getTypeDeclaration());
	if (node == null) {
		ICompilationUnit targetCU= Bindings.findCompilationUnit(binding, cu.getJavaProject());
		if (targetCU != null) {
			return targetCU;
		}
		return null;
	} else if (node instanceof AbstractTypeDeclaration || node instanceof AnonymousClassDeclaration) {
		return cu;
	}
	return null;
}
 

@Test
public void testSnippet_context_method3() throws JavaModelException {
	ICompilationUnit unit = getWorkingCopy("src/org/sample/Test.java",
	//@formatter:off
			"package org.sample;\n"
		+	"public class Test {\n\n"
		+	"	void test() {\n\n"
		+	"		int \n"
		+	"	}\n"
		+	"}\n");
		//@formatter:off
	int[] loc = findCompletionLocation(unit, "int ");
	CompletionList list = server.completion(JsonMessageHelper.getParams(createCompletionRequest(unit, loc[0], loc[1]))).join().getRight();
	assertNotNull(list);
	CompletionItem ci = list.getItems().stream()
			.filter( item->  (item.getLabel().matches("class") && item.getKind() == CompletionItemKind.Snippet))
			.findFirst().orElse(null);
	assertNull(ci);
	ci = list.getItems().stream()
			.filter( item->  (item.getLabel().matches("interface") && item.getKind() == CompletionItemKind.Snippet))
			.findFirst().orElse(null);
	assertNull(ci);
}
 

private void addReferenceUpdates(TextChangeManager manager, IProgressMonitor pm) {
	SearchResultGroup[] grouped= getOccurrences();
	for (int i= 0; i < grouped.length; i++) {
		SearchResultGroup group= grouped[i];
		SearchMatch[] results= group.getSearchResults();
		ICompilationUnit cu= group.getCompilationUnit();
		TextChange change= manager.get(cu);
		for (int j= 0; j < results.length; j++){
			SearchMatch match= results[j];
			if (!(match instanceof MethodDeclarationMatch)) {
				ReplaceEdit replaceEdit= createReplaceEdit(match, cu);
				String editName= RefactoringCoreMessages.RenamePrivateMethodRefactoring_update;
				addTextEdit(change, editName, replaceEdit);
			}
		}
	}
	pm.done();
}
 

@Test
public void testWrongDefaultPackageStatement() throws Exception {
	IPackageFragment pack1 = fSourceFolder.createPackageFragment("test2", false, null);
	StringBuilder buf = new StringBuilder();
	buf.append("public class E {\n");
	buf.append("}\n");
	ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);
	List<Either<Command, CodeAction>> codeActions = evaluateCodeActions(cu);

	Either<Command, CodeAction> codeAction = findAction(codeActions, "Add package declaration 'test2;'");
	assertNotNull(codeAction);
	buf = new StringBuilder();
	buf.append("package test2;\n");
	buf.append("\n");
	buf.append("public class E {\n");
	buf.append("}\n");
	assertEquals(buf.toString(), evaluateCodeActionCommand(codeAction));

	codeAction = findAction(codeActions, "Move 'E.java' to the default package");
	assertNotNull(codeAction);
	assertRenameFileOperation(codeAction, ResourceUtils.fixURI(pack1.getResource().getRawLocation().append("../E.java").toFile().toURI()));
}
 

public static void getAmbiguousTypeReferenceProposals(IInvocationContext context, IProblemLocationCore problem,
		Collection<ChangeCorrectionProposal> proposals) throws CoreException {
	final ICompilationUnit cu= context.getCompilationUnit();
	int offset= problem.getOffset();
	int len= problem.getLength();

	IJavaElement[] elements= cu.codeSelect(offset, len);
	for (int i= 0; i < elements.length; i++) {
		IJavaElement curr= elements[i];
		if (curr instanceof IType && !TypeFilter.isFiltered((IType) curr)) {
			String qualifiedTypeName= ((IType) curr).getFullyQualifiedName('.');

			CompilationUnit root= context.getASTRoot();

			String label= Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_importexplicit_description, BasicElementLabels.getJavaElementName(qualifiedTypeName));
			ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, CodeActionKind.QuickFix, cu, ASTRewrite.create(root.getAST()), IProposalRelevance.IMPORT_EXPLICIT);

			ImportRewrite imports= proposal.createImportRewrite(root);
			imports.addImport(qualifiedTypeName);

			proposals.add(proposal);
		}
	}
}
 

private String removeIndentAndNewLines(String code, ICompilationUnit cu) throws JavaModelException {
	IJavaProject project = cu.getJavaProject();
	Map options = project.getOptions(true/*inherit JavaCore options*/);
	int tabWidth = IndentManipulation.getTabWidth(options);
	int indentWidth = IndentManipulation.getIndentWidth(options);
	int indent = IndentManipulation.measureIndentUnits(code, tabWidth, indentWidth);
	int firstNonWhiteSpace = -1;
	int length = code.length();
	while (firstNonWhiteSpace < length-1)
		if (!ScannerHelper.isWhitespace(code.charAt(++firstNonWhiteSpace)))
			break;
	int lastNonWhiteSpace = length;
	while (lastNonWhiteSpace > 0)
		if (!ScannerHelper.isWhitespace(code.charAt(--lastNonWhiteSpace)))
			break;
	String lineDelimiter = cu.findRecommendedLineSeparator();
	return IndentManipulation.changeIndent(code.substring(firstNonWhiteSpace, lastNonWhiteSpace+1), indent, tabWidth, indentWidth, "", lineDelimiter); //$NON-NLS-1$
}
 

private boolean simpleReferencesNeedNewImport(ICompilationUnit movedUnit, ICompilationUnit referencingCu, List<ICompilationUnit> cuList) {
	if (referencingCu.equals(movedUnit)) {
		return false;
	}
	if (cuList.contains(referencingCu)) {
		return false;
	}
	if (isReferenceInAnotherFragmentOfSamePackage(referencingCu, movedUnit)) {
		/* Destination package is different from source, since
		 * isDestinationAnotherFragmentOfSamePackage(movedUnit) was false in addUpdates(.) */
		return true;
	}

	//heuristic
	if (referencingCu.getImport(movedUnit.getParent().getElementName() + ".*").exists()) {
		return true; // has old star import
	}
	if (referencingCu.getParent().equals(movedUnit.getParent())) {
		return true; //is moved away from same package
	}
	return false;
}
 

public static void codeComplete(ICompilationUnit cu, int position, CompletionRequestor requestor, WorkingCopyOwner owner, IProgressMonitor monitor) throws JavaModelException {
	if (!(cu instanceof CompilationUnit)) {
		return;
	}

	if (requestor == null) {
		throw new IllegalArgumentException("Completion requestor cannot be null"); //$NON-NLS-1$
	}

	IBuffer buffer = cu.getBuffer();
	if (buffer == null) {
		return;
	}

	if (position < -1 || position > buffer.getLength()) {
		throw new JavaModelException(new JavaModelStatus(IJavaModelStatusConstants.INDEX_OUT_OF_BOUNDS));
	}

	JavaProject project = (JavaProject) cu.getJavaProject();
	ModelBasedSearchableEnvironment environment = new ModelBasedSearchableEnvironment(project, owner, requestor.isTestCodeExcluded());
	environment.setUnitToSkip((CompilationUnit) cu);

	// code complete
	CompletionEngine engine = new CompletionEngine(environment, requestor, project.getOptions(true), project, owner, monitor);
	engine.complete((CompilationUnit) cu, position, 0, cu);
}
 

private static RefactorWorkspaceEdit moveTypeToClass(CodeActionParams params, String destinationTypeName, IProgressMonitor monitor) {
	final ICompilationUnit unit = JDTUtils.resolveCompilationUnit(params.getTextDocument().getUri());
	if (unit == null) {
		return new RefactorWorkspaceEdit("Failed to move type to another class because cannot find the compilation unit associated with " + params.getTextDocument().getUri());
	}

	IType type = getSelectedType(unit, params);
	if (type == null) {
		return new RefactorWorkspaceEdit("Failed to move type to another class because no type is selected.");
	}

	try {
		if (RefactoringAvailabilityTesterCore.isMoveStaticAvailable(type)) {
			return moveStaticMember(new IMember[] { type }, destinationTypeName, monitor);
		}

		return new RefactorWorkspaceEdit("Moving non-static type to another class is not supported.");
	} catch (JavaModelException e) {
		return new RefactorWorkspaceEdit("Failed to move type to another class. Reason: " + e.toString());
	}
}
 

public IJavaElement[] getActualJavaElementsToReorg() throws JavaModelException {
	List<IJavaElement> result= new ArrayList<>();
	for (int i= 0; i < fJavaElements.length; i++) {
		IJavaElement element= fJavaElements[i];
		if (element == null) {
			continue;
		}
		if (element instanceof IType) {
			IType type= (IType) element;
			ICompilationUnit cu= type.getCompilationUnit();
			if (cu != null && type.getDeclaringType() == null && cu.exists() && cu.getTypes().length == 1 && !result.contains(cu)) {
				result.add(cu);
			} else if (!result.contains(type)) {
				result.add(type);
			}
		} else if (!result.contains(element)) {
			result.add(element);
		}
	}
	return result.toArray(new IJavaElement[result.size()]);
}
 

/**
 * @param match the search match
 * @return the enclosing {@link ICompilationUnit} of the given match, or null iff none
 */
public static ICompilationUnit getCompilationUnit(SearchMatch match) {
	IJavaElement enclosingElement = getEnclosingJavaElement(match);
	if (enclosingElement != null){
		if (enclosingElement instanceof ICompilationUnit)
			return (ICompilationUnit) enclosingElement;
		ICompilationUnit cu= (ICompilationUnit) enclosingElement.getAncestor(IJavaElement.COMPILATION_UNIT);
		if (cu != null)
			return cu;
	}

	IJavaElement jElement= JavaCore.create(match.getResource());
	if (jElement != null && jElement.exists() && jElement.getElementType() == IJavaElement.COMPILATION_UNIT)
		return (ICompilationUnit) jElement;
	return null;
}
 

public List<ICompletionProposal> computeCompletionProposals(ContentAssistInvocationContext context, IProgressMonitor monitor) {
	if (!(context instanceof JavadocContentAssistInvocationContext))
		return Collections.emptyList();

	JavadocContentAssistInvocationContext docContext= (JavadocContentAssistInvocationContext) context;
	int flags= docContext.getFlags();
	fCurrentPos= docContext.getInvocationOffset();
	fCurrentLength= docContext.getSelectionLength();
	fRestrictToMatchingCase= (flags & IJavadocCompletionProcessor.RESTRICT_TO_MATCHING_CASE) != 0;

	ICompilationUnit cu= docContext.getCompilationUnit();
	if (cu == null)
		return Collections.emptyList();
	fDocument= docContext.getDocument();
	if (fDocument == null) {
		return Collections.emptyList();
	}

	try {
		fResult= new ArrayList<ICompletionProposal>(100);
		evalProposals();
		return fResult;
	} finally {
		fResult= null;
	}
}
 

@Test
public void testConvertToLambda3() throws Exception {
	IPackageFragment pack = fSourceFolder.createPackageFragment("test", false, null);
	StringBuilder buf = new StringBuilder();
	buf.append("package test;\n");
	buf.append("interface I {\n");
	buf.append("    void count(int test);\n");
	buf.append("}\n");
	buf.append("public class E {\n");
	buf.append("    void foo() {\n");
	buf.append("        I i = new I() {\n");
	buf.append("            /*[*/public void count(int test) {\n");
	buf.append("                System.out.println(test);\n");
	buf.append("            }/*]*/\n");
	buf.append("        };\n");
	buf.append("        i.count(10);\n");
	buf.append("    }\n");
	buf.append("}\n");
	ICompilationUnit cu = pack.createCompilationUnit("E.java", buf.toString(), false, null);

	buf = new StringBuilder();
	buf.append("package test;\n");
	buf.append("interface I {\n");
	buf.append("    void count(int test);\n");
	buf.append("}\n");
	buf.append("public class E {\n");
	buf.append("    void foo() {\n");
	buf.append("        I i = test -> System.out.println(test);\n");
	buf.append("        i.count(10);\n");
	buf.append("    }\n");
	buf.append("}\n");
	Expected e = new Expected("Convert to lambda expression", buf.toString());

	assertCodeActions(cu, e);
}
 

public CompletionProposalReplacementProvider(ICompilationUnit compilationUnit, CompletionContext context, int offset, Preferences preferences, ClientPreferences clientPrefs) {
	super();
	this.compilationUnit = compilationUnit;
	this.context = context;
	this.offset = offset;
	this.preferences = preferences == null ? new Preferences() : preferences;
	this.client = clientPrefs;
}
 

@Override
protected void okPressed() {
	for (ICompilationUnit iCompilationUnit : excluded) {
		input.remove(iCompilationUnit);
	}
	super.okPressed();
}
 

private FieldDeclaration createNewFieldDeclarationNode(MemberActionInfo info, CompilationUnit declaringCuNode, TypeVariableMaplet[] mapping, ASTRewrite rewrite, VariableDeclarationFragment oldFieldFragment) throws JavaModelException {
	Assert.isTrue(info.isFieldInfo());
	IField field= (IField) info.getMember();
	AST ast= rewrite.getAST();
	VariableDeclarationFragment newFragment= ast.newVariableDeclarationFragment();
	copyExtraDimensions(oldFieldFragment, newFragment);
	Expression initializer= oldFieldFragment.getInitializer();
	if (initializer != null) {
		Expression newInitializer= null;
		if (mapping.length > 0)
			newInitializer= createPlaceholderForExpression(initializer, field.getCompilationUnit(), mapping, rewrite);
		else
			newInitializer= createPlaceholderForExpression(initializer, field.getCompilationUnit(), rewrite);
		newFragment.setInitializer(newInitializer);
	}
	newFragment.setName(ast.newSimpleName(oldFieldFragment.getName().getIdentifier()));
	FieldDeclaration newField= ast.newFieldDeclaration(newFragment);
	FieldDeclaration oldField= ASTNodeSearchUtil.getFieldDeclarationNode(field, declaringCuNode);
	if (info.copyJavadocToCopiesInSubclasses())
		copyJavadocNode(rewrite, oldField, newField);
	copyAnnotations(oldField, newField);
	newField.modifiers().addAll(ASTNodeFactory.newModifiers(ast, info.getNewModifiersForCopyInSubclass(oldField.getModifiers())));
	Type oldType= oldField.getType();
	ICompilationUnit cu= field.getCompilationUnit();
	Type newType= null;
	if (mapping.length > 0) {
		newType= createPlaceholderForType(oldType, cu, mapping, rewrite);
	} else
		newType= createPlaceholderForType(oldType, cu, rewrite);
	newField.setType(newType);
	return newField;
}
 

private IResource getResource(IJavaElement element) {
// can't use IJavaElement.getResource directly as we are interested in the
// corresponding resource
switch (element.getElementType()) {
	case IJavaElement.TYPE:
		// top level types behave like the CU
		IJavaElement parent= element.getParent();
		if (parent instanceof ICompilationUnit) {
			return ((ICompilationUnit) parent).getPrimary().getResource();
		}
		return null;
	case IJavaElement.COMPILATION_UNIT:
		return ((ICompilationUnit) element).getPrimary().getResource();
	case IJavaElement.CLASS_FILE:
	case IJavaElement.PACKAGE_FRAGMENT:
		// test if in a archive
		IPackageFragmentRoot root= (IPackageFragmentRoot) element.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
		if (!root.isArchive() && !root.isExternal()) {
			return element.getResource();
		}
		return null;
	case IJavaElement.PACKAGE_FRAGMENT_ROOT:
	case IJavaElement.JAVA_PROJECT:
	case IJavaElement.JAVA_MODEL:
		return element.getResource();
	default:
		return null;
}
  }
 

@Test
public void testGenerateConstructors_enum() throws ValidateEditException, CoreException, IOException {
	//@formatter:off
	ICompilationUnit unit = fPackageP.createCompilationUnit("B.java", "package p;\r\n" +
			"\r\n" +
			"public enum B {\r\n" +
			"}"
			, true, null);
	//@formatter:on
	CodeActionParams params = CodeActionUtil.constructCodeActionParams(unit, "enum B");
	CheckConstructorsResponse response = GenerateConstructorsHandler.checkConstructorsStatus(params);
	assertNotNull(response.constructors);
	assertEquals(1, response.constructors.length);
	assertNotNull(response.fields);
	assertEquals(0, response.fields.length);

	CodeGenerationSettings settings = new CodeGenerationSettings();
	settings.createComments = false;
	TextEdit edit = GenerateConstructorsHandler.generateConstructors(unit.findPrimaryType(), response.constructors, response.fields, settings);
	assertNotNull(edit);
	JavaModelUtil.applyEdit(unit, edit, true, null);

	/* @formatter:off */
	String expected = "package p;\r\n" +
			"\r\n" +
			"public enum B {\r\n" +
			"	;\r\n" +
			"\r\n" +
			"	private B() {\r\n" +
			"	}\r\n" +
			"}";
	/* @formatter:on */

	compareSource(expected, unit.getSource());
}
 

/**
 * Obtains source code after this resource change.
 * @param elem the changed resource
 * @return the contents of the source code, or an empty string if the changed resource is not a file
 */
private String getCode(IJavaElement elem) {
    if (elem instanceof ICompilationUnit) {
        ICompilationUnit cu = (ICompilationUnit)elem;
        
        try {
            return cu.getSource();
        } catch (JavaModelException e) {
        }
    }
    return "";
}
 

public static IType getSingleSelectedType(IStructuredSelection selection) throws JavaModelException {
	Object first= selection.getFirstElement();
	if (first instanceof IType)
		return (IType) first;
	if (first instanceof ICompilationUnit) {
		final ICompilationUnit unit= (ICompilationUnit) first;
		if (unit.exists())
			return  JavaElementUtil.getMainType(unit);
	}
	return null;
}
 

/**
 * Returns the {@link ITypeRoot} wrapped by the given editor input.
 *
 * @param editorInput the editor input
 * @return the {@link ITypeRoot} wrapped by <code>editorInput</code> or <code>null</code> if the editor input
 * does not stand for a ITypeRoot
 *
 * @since 3.4
 */
public static ITypeRoot getEditorInputTypeRoot(IEditorInput editorInput) {
	// Performance: check working copy manager first: this is faster
	ICompilationUnit cu= JavaPlugin.getDefault().getWorkingCopyManager().getWorkingCopy(editorInput);
	if (cu != null)
		return cu;

	IJavaElement je= (IJavaElement) editorInput.getAdapter(IJavaElement.class);
	if (je instanceof ITypeRoot)
		return (ITypeRoot) je;

	return null;
}
 

private IType[] getDestinationPackageTypes() throws JavaModelException {
	List<IType> types= new ArrayList<IType>();
	if (fDestination.exists()) {
		ICompilationUnit[] cus= fDestination.getCompilationUnits();
		for (int i= 0; i < cus.length; i++) {
			types.addAll(Arrays.asList(cus[i].getAllTypes()));
		}
	}
	return types.toArray(new IType[types.size()]);
}
 

private static boolean importsOSGIUtil(ICompilationUnit unit) throws JavaModelException {
	IImportDeclaration[] imports= unit.getImports();
	for (int i= 0; i < imports.length; i++) {
		if (imports[i].getElementName().startsWith("org.eclipse.osgi.util.")) //$NON-NLS-1$
			return true;
	}

	return false;
}
 

public ICompilationUnit getWorkingCopy(Object element) {
	FileInfo fileInfo= getFileInfo(element);
	if (fileInfo instanceof CompilationUnitInfo) {
		CompilationUnitInfo info= (CompilationUnitInfo)fileInfo;
		return info.fCopy;
	}
	CompilationUnitInfo cuInfo= fFakeCUMapForMissingInfo.get(element);
	if (cuInfo != null)
		return cuInfo.fCopy;

	return null;
}