org.eclipse.jdt.core.dom.ASTNode#ANONYMOUS_CLASS_DECLARATION源码实例Demo

public static ASTNode getSelectedTypeNode(CompilationUnit root, IProblemLocation problem) {
	ASTNode selectedNode= problem.getCoveringNode(root);
	if (selectedNode == null)
		return null;

	if (selectedNode.getNodeType() == ASTNode.ANONYMOUS_CLASS_DECLARATION) { // bug 200016
		selectedNode= selectedNode.getParent();
	}

	if (selectedNode.getLocationInParent() == EnumConstantDeclaration.NAME_PROPERTY) {
		selectedNode= selectedNode.getParent();
	}
	if (selectedNode.getNodeType() == ASTNode.SIMPLE_NAME && selectedNode.getParent() instanceof AbstractTypeDeclaration) {
		return selectedNode.getParent();
	} else if (selectedNode.getNodeType() == ASTNode.CLASS_INSTANCE_CREATION) {
		return ((ClassInstanceCreation) selectedNode).getAnonymousClassDeclaration();
	} else if (selectedNode.getNodeType() == ASTNode.ENUM_CONSTANT_DECLARATION) {
		EnumConstantDeclaration enumConst= (EnumConstantDeclaration) selectedNode;
		if (enumConst.getAnonymousClassDeclaration() != null)
			return enumConst.getAnonymousClassDeclaration();
		return enumConst;
	} else {
		return null;
	}
}
 

public boolean resolveInMethodBody() {
	if (fInMethodBodyRequested)
		return fInMethodBody;
	fInMethodBodyRequested= true;
	resolveSelectedNodes();
	ASTNode node= getStartNode();
	if (node == null) {
		fInMethodBody= true;
	} else {
		while (node != null) {
			int nodeType= node.getNodeType();
			if (nodeType == ASTNode.BLOCK && node.getParent() instanceof BodyDeclaration) {
				fInMethodBody= node.getParent().getNodeType() == ASTNode.METHOD_DECLARATION;
				break;
			} else if (nodeType == ASTNode.ANONYMOUS_CLASS_DECLARATION) {
				fInMethodBody= false;
				break;
			}
			node= node.getParent();
		}
	}
	return fInMethodBody;
}
 

public boolean resolveInClassInitializer() {
	if (fInClassInitializerRequested)
		return fInClassInitializer;
	fInClassInitializerRequested= true;
	resolveSelectedNodes();
	ASTNode node= getStartNode();
	if (node == null) {
		fInClassInitializer= true;
	} else {
		while (node != null) {
			int nodeType= node.getNodeType();
			if (node instanceof AbstractTypeDeclaration) {
				fInClassInitializer= false;
				break;
			} else if (nodeType == ASTNode.ANONYMOUS_CLASS_DECLARATION) {
				fInClassInitializer= false;
				break;
			} else if (nodeType == ASTNode.INITIALIZER) {
				fInClassInitializer= true;
				break;
			}
			node= node.getParent();
		}
	}
	return fInClassInitializer;
}
 

public boolean resolveInVariableInitializer() {
	if (fInVariableInitializerRequested)
		return fInVariableInitializer;
	fInVariableInitializerRequested= true;
	resolveSelectedNodes();
	ASTNode node= getStartNode();
	ASTNode last= null;
	while (node != null) {
		int nodeType= node.getNodeType();
		if (node instanceof AbstractTypeDeclaration) {
			fInVariableInitializer= false;
			break;
		} else if (nodeType == ASTNode.ANONYMOUS_CLASS_DECLARATION) {
			fInVariableInitializer= false;
			break;
		} else if (nodeType == ASTNode.VARIABLE_DECLARATION_FRAGMENT &&
				   ((VariableDeclarationFragment)node).getInitializer() == last) {
			fInVariableInitializer= true;
			break;
		} else if (nodeType == ASTNode.SINGLE_VARIABLE_DECLARATION &&
			       ((SingleVariableDeclaration)node).getInitializer() == last) {
			fInVariableInitializer= true;
			break;
		} else if (nodeType == ASTNode.ANNOTATION_TYPE_MEMBER_DECLARATION &&
			       ((AnnotationTypeMemberDeclaration)node).getDefault() == last) {
			fInVariableInitializer= true;
			break;
		}
		last= node;
		node= node.getParent();
	}
	return fInVariableInitializer;
}
 

private ASTRewrite doAddField(ASTRewrite rewrite, ASTNode nodeToAssign, ITypeBinding typeBinding, int index) {
	boolean isParamToField= nodeToAssign.getNodeType() == ASTNode.SINGLE_VARIABLE_DECLARATION;

	ASTNode newTypeDecl= ASTResolving.findParentType(nodeToAssign);
	if (newTypeDecl == null) {
		return null;
	}

	Expression expression= isParamToField ? ((SingleVariableDeclaration) nodeToAssign).getName() : ((ExpressionStatement) nodeToAssign).getExpression();

	AST ast= newTypeDecl.getAST();

	createImportRewrite((CompilationUnit) nodeToAssign.getRoot());

	BodyDeclaration bodyDecl= ASTResolving.findParentBodyDeclaration(nodeToAssign);
	Block body;
	if (bodyDecl instanceof MethodDeclaration) {
		body= ((MethodDeclaration) bodyDecl).getBody();
	} else if (bodyDecl instanceof Initializer) {
		body= ((Initializer) bodyDecl).getBody();
	} else {
		return null;
	}

	IJavaProject project= getCompilationUnit().getJavaProject();
	boolean isAnonymous= newTypeDecl.getNodeType() == ASTNode.ANONYMOUS_CLASS_DECLARATION;
	boolean isStatic= Modifier.isStatic(bodyDecl.getModifiers()) && !isAnonymous;
	int modifiers= Modifier.PRIVATE;
	if (isStatic) {
		modifiers |= Modifier.STATIC;
	}

	VariableDeclarationFragment newDeclFrag= addFieldDeclaration(rewrite, newTypeDecl, modifiers, expression, nodeToAssign, typeBinding, index);
	String varName= newDeclFrag.getName().getIdentifier();

	Assignment assignment= ast.newAssignment();
	assignment.setRightHandSide((Expression) rewrite.createCopyTarget(expression));

	boolean needsThis= StubUtility.useThisForFieldAccess(project);
	if (isParamToField) {
		needsThis |= varName.equals(((SimpleName) expression).getIdentifier());
	}

	SimpleName accessName= ast.newSimpleName(varName);
	if (needsThis) {
		FieldAccess fieldAccess= ast.newFieldAccess();
		fieldAccess.setName(accessName);
		if (isStatic) {
			String typeName= ((AbstractTypeDeclaration) newTypeDecl).getName().getIdentifier();
			fieldAccess.setExpression(ast.newSimpleName(typeName));
		} else {
			fieldAccess.setExpression(ast.newThisExpression());
		}
		assignment.setLeftHandSide(fieldAccess);
	} else {
		assignment.setLeftHandSide(accessName);
	}

	ASTNode selectionNode;
	if (isParamToField) {
		// assign parameter to field
		ExpressionStatement statement= ast.newExpressionStatement(assignment);
		int insertIdx= findAssignmentInsertIndex(body.statements(), nodeToAssign) + index;
		rewrite.getListRewrite(body, Block.STATEMENTS_PROPERTY).insertAt(statement, insertIdx, null);
		selectionNode= statement;
	} else {
		if (needsSemicolon(expression)) {
			rewrite.replace(expression, ast.newExpressionStatement(assignment), null);
		} else {
			rewrite.replace(expression, assignment, null);
		}
		selectionNode= nodeToAssign;
	}

	addLinkedPosition(rewrite.track(newDeclFrag.getName()), false, KEY_NAME + index);
	if (!isParamToField) {
		FieldDeclaration fieldDeclaration= (FieldDeclaration) newDeclFrag.getParent();
		addLinkedPosition(rewrite.track(fieldDeclaration.getType()), false, KEY_TYPE);
	}
	addLinkedPosition(rewrite.track(accessName), true, KEY_NAME + index);
	IVariableBinding variableBinding= newDeclFrag.resolveBinding();
	if (variableBinding != null) {
		SimpleName[] linkedNodes= LinkedNodeFinder.findByBinding(nodeToAssign.getRoot(), variableBinding);
		for (int i= 0; i < linkedNodes.length; i++) {
			addLinkedPosition(rewrite.track(linkedNodes[i]), false, KEY_NAME + index);
		}
	}
	setEndPosition(rewrite.track(selectionNode));

	return rewrite;
}
 

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;
}