Java Code Examples for org.eclipse.jdt.core.dom.ASTNode#FIELD_DECLARATION

private static Type getType(ASTNode node) {
	switch(node.getNodeType()){
		case ASTNode.SINGLE_VARIABLE_DECLARATION:
			return ((SingleVariableDeclaration) node).getType();
		case ASTNode.FIELD_DECLARATION:
			return ((FieldDeclaration) node).getType();
		case ASTNode.VARIABLE_DECLARATION_STATEMENT:
			return ((VariableDeclarationStatement) node).getType();
		case ASTNode.VARIABLE_DECLARATION_EXPRESSION:
			return ((VariableDeclarationExpression) node).getType();
		case ASTNode.METHOD_DECLARATION:
			return ((MethodDeclaration)node).getReturnType2();
		case ASTNode.PARAMETERIZED_TYPE:
			return ((ParameterizedType)node).getType();
		default:
			Assert.isTrue(false);
			return null;
	}
}
 

/**
  * The selection corresponds to a ParameterizedType (return type of method)
 * @param pt the type
 * @return the message
  */
private String parameterizedTypeSelected(ParameterizedType pt) {
	ASTNode parent= pt.getParent();
	if (parent.getNodeType() == ASTNode.METHOD_DECLARATION){
		fMethodBinding= ((MethodDeclaration)parent).resolveBinding();
		fParamIndex= -1;
		fEffectiveSelectionStart= pt.getStartPosition();
		fEffectiveSelectionLength= pt.getLength();
		setOriginalType(pt.resolveBinding());
	} else if (parent.getNodeType() == ASTNode.SINGLE_VARIABLE_DECLARATION){
		return singleVariableDeclarationSelected((SingleVariableDeclaration)parent);
	} else if (parent.getNodeType() == ASTNode.VARIABLE_DECLARATION_STATEMENT){
		return variableDeclarationStatementSelected((VariableDeclarationStatement)parent);
	} else if (parent.getNodeType() == ASTNode.FIELD_DECLARATION){
		return fieldDeclarationSelected((FieldDeclaration)parent);
	} else {
		return nodeTypeNotSupported();
	}
	return null;
}
 

private void flowAnalysis() {
	fInvocationScope= fRootScope.findScope(fTargetNode.getStartPosition(), fTargetNode.getLength());
	fInvocationScope.setCursor(fTargetNode.getStartPosition());
	fFlowContext= new FlowContext(0, fNumberOfLocals + 1);
	fFlowContext.setConsiderAccessMode(true);
	fFlowContext.setComputeMode(FlowContext.ARGUMENTS);
	Selection selection= Selection.createFromStartLength(fInvocation.getStartPosition(), fInvocation.getLength());
	switch (fBodyDeclaration.getNodeType()) {
		case ASTNode.INITIALIZER:
		case ASTNode.FIELD_DECLARATION:
		case ASTNode.METHOD_DECLARATION:
		case ASTNode.ENUM_CONSTANT_DECLARATION:
			fFlowInfo= new InputFlowAnalyzer(fFlowContext, selection, true).perform(fBodyDeclaration);
			break;
		default:
			Assert.isTrue(false, "Should not happen");			 //$NON-NLS-1$
	}
}
 

private ListRewrite evaluateListRewrite(ASTRewrite rewrite, ASTNode declNode) {
	switch (declNode.getNodeType()) {
		case ASTNode.METHOD_DECLARATION:
			return rewrite.getListRewrite(declNode, MethodDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.FIELD_DECLARATION:
			return rewrite.getListRewrite(declNode, FieldDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.VARIABLE_DECLARATION_EXPRESSION:
			return rewrite.getListRewrite(declNode, VariableDeclarationExpression.MODIFIERS2_PROPERTY);
		case ASTNode.VARIABLE_DECLARATION_STATEMENT:
			return rewrite.getListRewrite(declNode, VariableDeclarationStatement.MODIFIERS2_PROPERTY);
		case ASTNode.SINGLE_VARIABLE_DECLARATION:
			return rewrite.getListRewrite(declNode, SingleVariableDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.TYPE_DECLARATION:
			return rewrite.getListRewrite(declNode, TypeDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.ENUM_DECLARATION:
			return rewrite.getListRewrite(declNode, EnumDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.ANNOTATION_TYPE_DECLARATION:
			return rewrite.getListRewrite(declNode, AnnotationTypeDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.ENUM_CONSTANT_DECLARATION:
			return rewrite.getListRewrite(declNode, EnumConstantDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.ANNOTATION_TYPE_MEMBER_DECLARATION:
			return rewrite.getListRewrite(declNode, AnnotationTypeMemberDeclaration.MODIFIERS2_PROPERTY);
		default:
			throw new IllegalArgumentException("node has no modifiers: " + declNode.getClass().getName()); //$NON-NLS-1$
	}
}
 

private ListRewrite evaluateListRewrite(ASTRewrite rewrite, ASTNode declNode) {
	switch (declNode.getNodeType()) {
		case ASTNode.METHOD_DECLARATION:
			return rewrite.getListRewrite(declNode, MethodDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.FIELD_DECLARATION:
			return rewrite.getListRewrite(declNode, FieldDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.VARIABLE_DECLARATION_EXPRESSION:
			return rewrite.getListRewrite(declNode, VariableDeclarationExpression.MODIFIERS2_PROPERTY);
		case ASTNode.VARIABLE_DECLARATION_STATEMENT:
			return rewrite.getListRewrite(declNode, VariableDeclarationStatement.MODIFIERS2_PROPERTY);
		case ASTNode.SINGLE_VARIABLE_DECLARATION:
			return rewrite.getListRewrite(declNode, SingleVariableDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.TYPE_DECLARATION:
			return rewrite.getListRewrite(declNode, TypeDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.ENUM_DECLARATION:
			return rewrite.getListRewrite(declNode, EnumDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.ANNOTATION_TYPE_DECLARATION:
			return rewrite.getListRewrite(declNode, AnnotationTypeDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.ENUM_CONSTANT_DECLARATION:
			return rewrite.getListRewrite(declNode, EnumConstantDeclaration.MODIFIERS2_PROPERTY);
		case ASTNode.ANNOTATION_TYPE_MEMBER_DECLARATION:
			return rewrite.getListRewrite(declNode, AnnotationTypeMemberDeclaration.MODIFIERS2_PROPERTY);
		default:
			throw new IllegalArgumentException("node has no modifiers: " + declNode.getClass().getName()); //$NON-NLS-1$
	}
}
 

private static int getOrderPreference(BodyDeclaration member, MembersOrderPreferenceCache store) {
	int memberType= member.getNodeType();
	int modifiers= member.getModifiers();

	switch (memberType) {
		case ASTNode.TYPE_DECLARATION:
		case ASTNode.ENUM_DECLARATION :
		case ASTNode.ANNOTATION_TYPE_DECLARATION :
			return store.getCategoryIndex(MembersOrderPreferenceCache.TYPE_INDEX) * 2;
		case ASTNode.FIELD_DECLARATION:
			if (Modifier.isStatic(modifiers)) {
				int index= store.getCategoryIndex(MembersOrderPreferenceCache.STATIC_FIELDS_INDEX) * 2;
				if (Modifier.isFinal(modifiers)) {
					return index; // first final static, then static
				}
				return index + 1;
			}
			return store.getCategoryIndex(MembersOrderPreferenceCache.FIELDS_INDEX) * 2;
		case ASTNode.INITIALIZER:
			if (Modifier.isStatic(modifiers)) {
				return store.getCategoryIndex(MembersOrderPreferenceCache.STATIC_INIT_INDEX) * 2;
			}
			return store.getCategoryIndex(MembersOrderPreferenceCache.INIT_INDEX) * 2;
		case ASTNode.ANNOTATION_TYPE_MEMBER_DECLARATION:
			return store.getCategoryIndex(MembersOrderPreferenceCache.METHOD_INDEX) * 2;
		case ASTNode.METHOD_DECLARATION:
			if (Modifier.isStatic(modifiers)) {
				return store.getCategoryIndex(MembersOrderPreferenceCache.STATIC_METHODS_INDEX) * 2;
			}
			if (((MethodDeclaration) member).isConstructor()) {
				return store.getCategoryIndex(MembersOrderPreferenceCache.CONSTRUCTORS_INDEX) * 2;
			}
			return store.getCategoryIndex(MembersOrderPreferenceCache.METHOD_INDEX) * 2;
		default:
			return 100;
	}
}
 

/**
 * Creates a placeholder node of the given type. <code>null</code> if the type is not supported
 * @param nodeType Type of the node to create. Use the type constants in {@link NodeInfoStore}.
 * @return Returns a place holder node.
 */
public final ASTNode newPlaceholderNode(int nodeType) {
	try {
		ASTNode node= this.ast.createInstance(nodeType);
		switch (node.getNodeType()) {
			case ASTNode.FIELD_DECLARATION:
				((FieldDeclaration) node).fragments().add(this.ast.newVariableDeclarationFragment());
				break;
			case ASTNode.MODIFIER:
				((Modifier) node).setKeyword(Modifier.ModifierKeyword.ABSTRACT_KEYWORD);
				break;
			case ASTNode.TRY_STATEMENT :
				((TryStatement) node).setFinally(this.ast.newBlock()); // have to set at least a finally block to be legal code
				break;
			case ASTNode.VARIABLE_DECLARATION_EXPRESSION :
				((VariableDeclarationExpression) node).fragments().add(this.ast.newVariableDeclarationFragment());
				break;
			case ASTNode.VARIABLE_DECLARATION_STATEMENT :
				((VariableDeclarationStatement) node).fragments().add(this.ast.newVariableDeclarationFragment());
				break;
			case ASTNode.PARAMETERIZED_TYPE :
				((ParameterizedType) node).typeArguments().add(this.ast.newWildcardType());
				break;
		}
		return node;
	} catch (IllegalArgumentException e) {
		return null;
	}
	}
 

/**
 * Returns the corresponding place holder type for the given element.
 * @return a place holder type (see ASTRewrite) or -1 if there is no corresponding placeholder
 */
private int getPlaceHolderType(ITypedElement element) {

	if (element instanceof DocumentRangeNode) {
		JavaNode jn= (JavaNode) element;
		switch (jn.getTypeCode()) {

		case JavaNode.PACKAGE:
		    return ASTNode.PACKAGE_DECLARATION;

		case JavaNode.CLASS:
		case JavaNode.INTERFACE:
			return ASTNode.TYPE_DECLARATION;

		case JavaNode.ENUM:
			return ASTNode.ENUM_DECLARATION;

		case JavaNode.ANNOTATION:
			return ASTNode.ANNOTATION_TYPE_DECLARATION;

		case JavaNode.CONSTRUCTOR:
		case JavaNode.METHOD:
			return ASTNode.METHOD_DECLARATION;

		case JavaNode.FIELD:
			return ASTNode.FIELD_DECLARATION;

		case JavaNode.INIT:
			return ASTNode.INITIALIZER;

		case JavaNode.IMPORT:
		case JavaNode.IMPORT_CONTAINER:
			return ASTNode.IMPORT_DECLARATION;

		case JavaNode.CU:
		    return ASTNode.COMPILATION_UNIT;
		}
	}
	return -1;
}
 

/**
 * Returns the corresponding place holder type for the given element.
 * @return a place holder type (see ASTRewrite) or -1 if there is no corresponding placeholder
 */
static final int getPlaceHolderType(ITypedElement element) {

	if (element instanceof DocumentRangeNode) {
		JavaNode jn= (JavaNode) element;
		switch (jn.getTypeCode()) {

		case JavaNode.PACKAGE:
		    return ASTNode.PACKAGE_DECLARATION;

		case JavaNode.CLASS:
		case JavaNode.INTERFACE:
			return ASTNode.TYPE_DECLARATION;

		case JavaNode.ENUM:
			return ASTNode.ENUM_DECLARATION;

		case JavaNode.ANNOTATION:
			return ASTNode.ANNOTATION_TYPE_DECLARATION;

		case JavaNode.CONSTRUCTOR:
		case JavaNode.METHOD:
			return ASTNode.METHOD_DECLARATION;

		case JavaNode.FIELD:
			return ASTNode.FIELD_DECLARATION;

		case JavaNode.INIT:
			return ASTNode.INITIALIZER;

		case JavaNode.IMPORT:
		case JavaNode.IMPORT_CONTAINER:
			return ASTNode.IMPORT_DECLARATION;

		case JavaNode.CU:
		    return ASTNode.COMPILATION_UNIT;
		}
	}
	return -1;
}
 

private ITypeBinding getPossibleSuperTypeBinding(ASTNode node) {
	if (fTypeKind == K_ANNOTATION) {
		return null;
	}

	AST ast= node.getAST();
	node= ASTNodes.getNormalizedNode(node);
	ASTNode parent= node.getParent();
	switch (parent.getNodeType()) {
		case ASTNode.METHOD_DECLARATION:
			if (node.getLocationInParent() == MethodDeclaration.THROWN_EXCEPTION_TYPES_PROPERTY) {
				return ast.resolveWellKnownType("java.lang.Exception"); //$NON-NLS-1$
			}
			break;
		case ASTNode.THROW_STATEMENT :
			return ast.resolveWellKnownType("java.lang.Exception"); //$NON-NLS-1$
		case ASTNode.SINGLE_VARIABLE_DECLARATION:
			if (parent.getLocationInParent() == CatchClause.EXCEPTION_PROPERTY) {
				return ast.resolveWellKnownType("java.lang.Exception"); //$NON-NLS-1$
			}
			break;
		case ASTNode.VARIABLE_DECLARATION_STATEMENT:
		case ASTNode.FIELD_DECLARATION:
			return null; // no guessing for LHS types, cannot be a supertype of a known type
		case ASTNode.PARAMETERIZED_TYPE:
			return null; // Inheritance doesn't help: A<X> z= new A<String>(); ->
	}
	ITypeBinding binding= ASTResolving.guessBindingForTypeReference(node);
	if (binding != null && !binding.isRecovered()) {
		return binding;
	}
	return null;
}
 

private boolean isSortPreserved(BodyDeclaration bodyDeclaration) {
	switch (bodyDeclaration.getNodeType()) {
		case ASTNode.FIELD_DECLARATION:
		case ASTNode.ENUM_CONSTANT_DECLARATION:
		case ASTNode.INITIALIZER:
			return true;
		default:
			return false;
	}
}
 

/**
 * Computes the maximum number of local variable declarations in the
 * given body declaration.
 *
 * @param declaration the body declaration. Must either be a method
 *  declaration, or an initializer, or a field declaration.
 * @return the maximum number of local variables
 */
public static int perform(BodyDeclaration declaration) {
	Assert.isTrue(declaration != null);
	switch (declaration.getNodeType()) {
		case ASTNode.METHOD_DECLARATION:
		case ASTNode.FIELD_DECLARATION:
		case ASTNode.INITIALIZER:
			return internalPerform(declaration);
		default:
			throw new IllegalArgumentException(declaration.toString());
	}
}
 

private static void insertToType(ASTRewrite rewrite, ASTNode node, AbstractTypeDeclaration typeDeclaration) {
	switch (node.getNodeType()) {
		case ASTNode.ANNOTATION_TYPE_DECLARATION:
		case ASTNode.ENUM_DECLARATION:
		case ASTNode.TYPE_DECLARATION:
		case ASTNode.METHOD_DECLARATION:
		case ASTNode.FIELD_DECLARATION:
		case ASTNode.INITIALIZER:
			rewrite.getListRewrite(typeDeclaration, typeDeclaration.getBodyDeclarationsProperty()).insertAt(node, ASTNodes.getInsertionIndex((BodyDeclaration) node, typeDeclaration.bodyDeclarations()), null);
			break;
		default:
			Assert.isTrue(false, String.valueOf(node.getNodeType()));
	}
}
 

/**
 * Computes the maximum number of local variable declarations in the given
 * body declaration.
 *
 * @param declaration
 *            the body declaration. Must either be a method declaration, or
 *            an initializer, or a field declaration.
 * @return the maximum number of local variables
 */
public static int perform(BodyDeclaration declaration) {
	Assert.isTrue(declaration != null);
	switch (declaration.getNodeType()) {
		case ASTNode.METHOD_DECLARATION:
		case ASTNode.FIELD_DECLARATION:
		case ASTNode.INITIALIZER:
			return internalPerform(declaration);
		default:
			throw new IllegalArgumentException(declaration.toString());
	}
}
 

/**
 * Adds a SuppressWarnings proposal if possible and returns whether parent nodes should be processed or not (and with what relevance).
 * 
 * @param cu the compilation unit
 * @param node the node on which to add a SuppressWarning token
 * @param warningToken the warning token to add
 * @param relevance the proposal's relevance
 * @param proposals collector to which the proposal should be added
 * @return <code>0</code> if no further proposals should be added to parent nodes, or the relevance of the next proposal
 * 
 * @since 3.6
 */
private static int addSuppressWarningsProposalIfPossible(ICompilationUnit cu, ASTNode node, String warningToken, int relevance, Collection<ICommandAccess> proposals) {

	ChildListPropertyDescriptor property;
	String name;
	boolean isLocalVariable= false;
	switch (node.getNodeType()) {
		case ASTNode.SINGLE_VARIABLE_DECLARATION:
			property= SingleVariableDeclaration.MODIFIERS2_PROPERTY;
			name= ((SingleVariableDeclaration) node).getName().getIdentifier();
			isLocalVariable= true;
			break;
		case ASTNode.VARIABLE_DECLARATION_STATEMENT:
			property= VariableDeclarationStatement.MODIFIERS2_PROPERTY;
			name= getFirstFragmentName(((VariableDeclarationStatement) node).fragments());
			isLocalVariable= true;
			break;
		case ASTNode.VARIABLE_DECLARATION_EXPRESSION:
			property= VariableDeclarationExpression.MODIFIERS2_PROPERTY;
			name= getFirstFragmentName(((VariableDeclarationExpression) node).fragments());
			isLocalVariable= true;
			break;
		case ASTNode.TYPE_DECLARATION:
			property= TypeDeclaration.MODIFIERS2_PROPERTY;
			name= ((TypeDeclaration) node).getName().getIdentifier();
			break;
		case ASTNode.ANNOTATION_TYPE_DECLARATION:
			property= AnnotationTypeDeclaration.MODIFIERS2_PROPERTY;
			name= ((AnnotationTypeDeclaration) node).getName().getIdentifier();
			break;
		case ASTNode.ENUM_DECLARATION:
			property= EnumDeclaration.MODIFIERS2_PROPERTY;
			name= ((EnumDeclaration) node).getName().getIdentifier();
			break;
		case ASTNode.FIELD_DECLARATION:
			property= FieldDeclaration.MODIFIERS2_PROPERTY;
			name= getFirstFragmentName(((FieldDeclaration) node).fragments());
			break;
		// case ASTNode.INITIALIZER: not used, because Initializer cannot have annotations
		case ASTNode.METHOD_DECLARATION:
			property= MethodDeclaration.MODIFIERS2_PROPERTY;
			name= ((MethodDeclaration) node).getName().getIdentifier() + "()"; //$NON-NLS-1$
			break;
		case ASTNode.ANNOTATION_TYPE_MEMBER_DECLARATION:
			property= AnnotationTypeMemberDeclaration.MODIFIERS2_PROPERTY;
			name= ((AnnotationTypeMemberDeclaration) node).getName().getIdentifier() + "()"; //$NON-NLS-1$
			break;
		case ASTNode.ENUM_CONSTANT_DECLARATION:
			property= EnumConstantDeclaration.MODIFIERS2_PROPERTY;
			name= ((EnumConstantDeclaration) node).getName().getIdentifier();
			break;
		default:
			return relevance;
	}

	String label= Messages.format(CorrectionMessages.SuppressWarningsSubProcessor_suppress_warnings_label, new String[] { warningToken, BasicElementLabels.getJavaElementName(name) });
	ASTRewriteCorrectionProposal proposal= new SuppressWarningsProposal(warningToken, label, cu, node, property, relevance);

	proposals.add(proposal);
	return isLocalVariable ? relevance - 1 : 0;
}
 

@Override
public void endVisit(CompilationUnit node) {
	RefactoringStatus status= getStatus();
	superCall: {
		if (status.hasFatalError())
			break superCall;
		if (!hasSelectedNodes()) {
			ASTNode coveringNode= getLastCoveringNode();
			if (coveringNode instanceof Block && coveringNode.getParent() instanceof MethodDeclaration) {
				MethodDeclaration methodDecl= (MethodDeclaration)coveringNode.getParent();
				Message[] messages= ASTNodes.getMessages(methodDecl, ASTNodes.NODE_ONLY);
				if (messages.length > 0) {
					status.addFatalError(Messages.format(
						RefactoringCoreMessages.ExtractMethodAnalyzer_compile_errors,
						BasicElementLabels.getJavaElementName(methodDecl.getName().getIdentifier())), JavaStatusContext.create(fCUnit, methodDecl));
					break superCall;
				}
			}
			status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_invalid_selection);
			break superCall;
		}
		fEnclosingBodyDeclaration= (BodyDeclaration)ASTNodes.getParent(getFirstSelectedNode(), BodyDeclaration.class);
		if (fEnclosingBodyDeclaration == null ||
				(fEnclosingBodyDeclaration.getNodeType() != ASTNode.METHOD_DECLARATION &&
				 fEnclosingBodyDeclaration.getNodeType() != ASTNode.FIELD_DECLARATION &&
				 fEnclosingBodyDeclaration.getNodeType() != ASTNode.INITIALIZER)) {
			status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_invalid_selection);
			break superCall;
		} else if (ASTNodes.getEnclosingType(fEnclosingBodyDeclaration) == null) {
			status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_compile_errors_no_parent_binding);
			break superCall;
		} else if (fEnclosingBodyDeclaration.getNodeType() == ASTNode.METHOD_DECLARATION) {
			fEnclosingMethodBinding= ((MethodDeclaration)fEnclosingBodyDeclaration).resolveBinding();
		}
		if (!isSingleExpressionOrStatementSet()) {
			status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_single_expression_or_set);
			break superCall;
		}
		if (isExpressionSelected()) {
			ASTNode expression= getFirstSelectedNode();
			if (expression instanceof Name) {
				Name name= (Name)expression;
				if (name.resolveBinding() instanceof ITypeBinding) {
					status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_extract_type_reference);
					break superCall;
				}
				if (name.resolveBinding() instanceof IMethodBinding) {
					status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_extract_method_name_reference);
					break superCall;
				}
				if (name.resolveBinding() instanceof IVariableBinding) {
					StructuralPropertyDescriptor locationInParent= name.getLocationInParent();
					if (locationInParent == QualifiedName.NAME_PROPERTY || (locationInParent == FieldAccess.NAME_PROPERTY && !(((FieldAccess) name.getParent()).getExpression() instanceof ThisExpression)))  {
						status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_extract_part_of_qualified_name);
						break superCall;
					}
				}
				if (name.isSimpleName() && ((SimpleName)name).isDeclaration()) {
					status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_extract_name_in_declaration);
					break superCall;
				}
			}
			fForceStatic=
				ASTNodes.getParent(expression, ASTNode.SUPER_CONSTRUCTOR_INVOCATION) != null ||
				ASTNodes.getParent(expression, ASTNode.CONSTRUCTOR_INVOCATION) != null;
		}
		status.merge(LocalTypeAnalyzer.perform(fEnclosingBodyDeclaration, getSelection()));
		computeLastStatementSelected();
	}
	super.endVisit(node);
}
 

public boolean mustInnerClassBeStatic() {
    ITypeBinding typeBinding = ((AbstractTypeDeclaration) ASTNodes.getParent(fAnonymousInnerClassNode, AbstractTypeDeclaration.class)).resolveBinding();
    ASTNode current = fAnonymousInnerClassNode.getParent();
    boolean ans = false;
    while(current != null) {
        switch(current.getNodeType()) {
case ASTNode.SUPER_CONSTRUCTOR_INVOCATION:
case ASTNode.CONSTRUCTOR_INVOCATION:
	return true;
case ASTNode.ANONYMOUS_CLASS_DECLARATION:
            {
                AnonymousClassDeclaration enclosingAnonymousClassDeclaration= (AnonymousClassDeclaration)current;
                ITypeBinding binding= enclosingAnonymousClassDeclaration.resolveBinding();
                if (binding != null && Bindings.isSuperType(typeBinding, binding.getSuperclass())) {
                    return false;
                }
                break;
            }
            case ASTNode.FIELD_DECLARATION:
            {
                FieldDeclaration enclosingFieldDeclaration= (FieldDeclaration)current;
                if (Modifier.isStatic(enclosingFieldDeclaration.getModifiers())) {
                    ans = true;
                }
                break;
            }
            case ASTNode.METHOD_DECLARATION:
            {
                MethodDeclaration enclosingMethodDeclaration = (MethodDeclaration)current;
                if (Modifier.isStatic(enclosingMethodDeclaration.getModifiers())) {
                    ans = true;
                }
                break;
            }
            case ASTNode.TYPE_DECLARATION:
            {
                return ans;
            }
        }
        current = current.getParent();
    }
    return ans;
}
 

/**
 * Determines what kind of ASTNode has been selected.
 * @param node the node
 * @return  A non-null String containing an error message
 * is returned if the ChangeTypeRefactoring refactoring cannot be applied to the selected ASTNode.
 * A return value of null indicates a valid selection.
 */
private String determineSelection(ASTNode node) {
	if (node == null) {
		return RefactoringCoreMessages.ChangeTypeRefactoring_invalidSelection;
	} else {

		if (DEBUG) System.out.println("node nodeType= " + node.getClass().getName()); //$NON-NLS-1$
		if (DEBUG) System.out.println("parent nodeType= " + node.getParent().getClass().getName()); //$NON-NLS-1$
		if (DEBUG) System.out.println("GrandParent nodeType= " + node.getParent().getParent().getClass().getName()); //$NON-NLS-1$

		ASTNode parent= node.getParent();
		ASTNode grandParent= parent.getParent();
		if (grandParent == null)
			return nodeTypeNotSupported();

		// adjustment needed if part of a parameterized type is selected
		if (grandParent.getNodeType() == ASTNode.PARAMETERIZED_TYPE){
			node= grandParent;
		}

		// adjustment needed if part of a qualified name is selected
		ASTNode current= null;
		if (node.getNodeType() == ASTNode.QUALIFIED_NAME){
			current= node;
			while (current.getNodeType() == ASTNode.QUALIFIED_NAME){
				current= current.getParent();
			}
			if (current.getNodeType() != ASTNode.SIMPLE_TYPE){
				return nodeTypeNotSupported();
			}
			node= current.getParent();
		} else if (parent.getNodeType() == ASTNode.QUALIFIED_NAME){
			current= parent;
			while (current.getNodeType() == ASTNode.QUALIFIED_NAME){
				current= current.getParent();
			}
			if (current.getNodeType() != ASTNode.SIMPLE_TYPE){
				return nodeTypeNotSupported();
			}
			node= current.getParent();
		}

		fObject= node.getAST().resolveWellKnownType("java.lang.Object"); //$NON-NLS-1$
		switch (node.getNodeType()) {
			case ASTNode.SIMPLE_NAME :
				return simpleNameSelected((SimpleName)node);
			case ASTNode.VARIABLE_DECLARATION_STATEMENT :
				return variableDeclarationStatementSelected((VariableDeclarationStatement) node);
			case ASTNode.FIELD_DECLARATION :
				return fieldDeclarationSelected((FieldDeclaration) node);
			case ASTNode.SINGLE_VARIABLE_DECLARATION :
				return singleVariableDeclarationSelected((SingleVariableDeclaration) node);
			case ASTNode.PARAMETERIZED_TYPE:
				return parameterizedTypeSelected((ParameterizedType) node);
			default :
				return nodeTypeNotSupported();
		}
	}
}
 

protected ASTNode generateElementAST(ASTRewrite rewriter, ICompilationUnit cu) throws JavaModelException {
	ASTNode node = super.generateElementAST(rewriter, cu);
	if (node.getNodeType() != ASTNode.FIELD_DECLARATION)
		throw new JavaModelException(new JavaModelStatus(IJavaModelStatusConstants.INVALID_CONTENTS));
	return node;
}