Examples of org.eclipse.jdt.core.dom.AST

org.eclipse.jdt.core.dom.AST
import declaration at end TextEdit edits = cu.rewrite(document, null); UndoEdit undo = edits.apply(document); See also {@link org.eclipse.jdt.core.dom.rewrite.ASTRewrite} foran alternative way to describe and serialize changes to a read-only AST.

Clients may create instances of this class using {@link #newAST(int)}, but this class is not intended to be subclassed.
@see ASTParser @see ASTNode @since 2.0 @noinstantiate This class is not intended to be instantiated by clients.

        importDeclaration.setStatic(isStatic);
        return importDeclaration;
    }


    protected MethodInvocation createDoPrivilegedInvocation(ASTRewrite rewrite, ClassInstanceCreation classLoaderCreation) {
        AST ast = rewrite.getAST();


        MethodInvocation doPrivilegedInvocation = ast.newMethodInvocation();
        ClassInstanceCreation privilegedActionCreation = createPrivilegedActionCreation(rewrite, classLoaderCreation);
        List<Expression> arguments = checkedList(doPrivilegedInvocation.arguments());


        if (!isStaticImport()) {
            Name accessControllerName;
            if (isUpdateImports()) {
                accessControllerName = ast.newSimpleName(AccessController.class.getSimpleName());
            } else {
                accessControllerName = ast.newName(AccessController.class.getName());
            }
            doPrivilegedInvocation.setExpression(accessControllerName);
        }
        doPrivilegedInvocation.setName(ast.newSimpleName(DO_PRIVILEGED_METHOD_NAME));
        arguments.add(privilegedActionCreation);


        return doPrivilegedInvocation;
    }

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        return doPrivilegedInvocation;
    }


    private ClassInstanceCreation createPrivilegedActionCreation(ASTRewrite rewrite, ClassInstanceCreation classLoaderCreation) {
        AST ast = rewrite.getAST();


        ClassInstanceCreation privilegedActionCreation = ast.newClassInstanceCreation();
        ParameterizedType privilegedActionType = createPrivilegedActionType(rewrite, classLoaderCreation);
        AnonymousClassDeclaration anonymousClassDeclaration = createAnonymousClassDeclaration(rewrite, classLoaderCreation);


        privilegedActionCreation.setType(privilegedActionType);
        privilegedActionCreation.setAnonymousClassDeclaration(anonymousClassDeclaration);

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        return privilegedActionCreation;
    }


    private ParameterizedType createPrivilegedActionType(ASTRewrite rewrite, ClassInstanceCreation classLoaderCreation) {
        AST ast = rewrite.getAST();


        Name privilegedActionName;
        if (isUpdateImports()) {
            privilegedActionName = ast.newSimpleName(PrivilegedAction.class.getSimpleName());
        } else {
            privilegedActionName = ast.newName(PrivilegedAction.class.getName());
        }
        SimpleType rawPrivilegedActionType = ast.newSimpleType(privilegedActionName);
        ParameterizedType privilegedActionType = ast.newParameterizedType(rawPrivilegedActionType);
        Type typeArgument = (Type) rewrite.createCopyTarget(classLoaderCreation.getType());
        List<Type> typeArguments = checkedList(privilegedActionType.typeArguments());


        typeArguments.add(typeArgument);

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        return (List<V>) o;
    }


    private AnonymousClassDeclaration createAnonymousClassDeclaration(ASTRewrite rewrite,
            ClassInstanceCreation classLoaderCreation) {
        AST ast = rewrite.getAST();


        AnonymousClassDeclaration anonymousClassDeclaration = ast.newAnonymousClassDeclaration();
        MethodDeclaration runMethodDeclaration = createRunMethodDeclaration(rewrite, classLoaderCreation);
        List<BodyDeclaration> bodyDeclarations = checkedList(anonymousClassDeclaration.bodyDeclarations());


        bodyDeclarations.add(runMethodDeclaration);

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        return anonymousClassDeclaration;
    }


    private MethodDeclaration createRunMethodDeclaration(ASTRewrite rewrite, ClassInstanceCreation classLoaderCreation) {
        AST ast = rewrite.getAST();


        MethodDeclaration methodDeclaration = ast.newMethodDeclaration();
        SimpleName methodName = ast.newSimpleName("run");
        Type returnType = (Type) rewrite.createCopyTarget(classLoaderCreation.getType());
        Block methodBody = createRunMethodBody(rewrite, classLoaderCreation);
        List<Modifier> modifiers = checkedList(methodDeclaration.modifiers());


        modifiers.add(ast.newModifier(PUBLIC_KEYWORD));
        methodDeclaration.setName(methodName);
        methodDeclaration.setReturnType2(returnType);
        methodDeclaration.setBody(methodBody);


        return methodDeclaration;

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        return methodDeclaration;
    }


    private Block createRunMethodBody(ASTRewrite rewrite, ClassInstanceCreation classLoaderCreation) {
        AST ast = rewrite.getAST();


        Block methodBody = ast.newBlock();
        ReturnStatement returnStatement = ast.newReturnStatement();
        List<Statement> statements = checkedList(methodBody.statements());


        statements.add(returnStatement);
        returnStatement.setExpression((ClassInstanceCreation) rewrite.createCopyTarget(classLoaderCreation));

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    public static void addImports(ASTRewrite rewrite, CompilationUnit compilationUnit,
            Comparator<? super ImportDeclaration> comparator, boolean staticImports, String... imports) {
        checkForNull(comparator, "import comparator");
        checkForNull(imports, "imports");


        final AST ast = rewrite.getAST();
        SortedSet<ImportDeclaration> importDeclarations = new TreeSet<ImportDeclaration>(comparator);
        for (String importName : imports) {
            ImportDeclaration importDeclaration = ast.newImportDeclaration();
            importDeclaration.setName(ast.newName(importName));
            importDeclaration.setStatic(staticImports);
            importDeclarations.add(importDeclaration);
        }
        addImports(rewrite, compilationUnit, importDeclarations);
    }

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   * 
   * @see net.sourceforge.earticleast.app.AbstractManipulator#addNewVariableDeclaration(net.sourceforge.earticleast.app.VariableBindingManager)
   */
  @Override
  protected void addNewVariableDeclaration(VariableBindingManager manager) {
    AST ast = manager.getFirstReference().getAST();
    VariableDeclarationStatement statement = createNewVariableDeclarationStatement(
        manager, ast);
    int firstReferenceIndex = getFirstReferenceListIndex(manager);
    Block block = Helper.getParentBlock(manager.getFirstReference());
    block.statements().add(firstReferenceIndex, statement);

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   * 
   * @see net.sourceforge.earticleast.app.AbstractManipulator#deleteOldVariableDeclaration(net.sourceforge.earticleast.app.VariableBindingManager)
   */
  @Override
  protected void deleteOldVariableDeclaration(VariableBindingManager manager) {
    AST ast = manager.getFirstReference().getAST();
    VariableDeclarationStatement statement = createNewVariableDeclarationStatement(
        manager, ast);
    int firstReferenceIndex = getFirstReferenceListIndex(manager);
    Block block = Helper.getParentBlock(manager.getFirstReference());
    // get the list rewriter for the statments list

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         {
            final String stub = "enum StubEnum { FOO() {}; }";
            final JavaEnum temp = JavaParser.parse(JavaEnum.class, stub);
            final AnonymousClassDeclaration body = ((EnumConstantBodyImpl) temp.getEnumConstants().get(0).getBody())
                     .getBody();
            final AST ast = ((ASTNode) javaEnum.getInternal()).getAST();
            result = (AnonymousClassDeclaration) ASTNode.copySubtree(ast, body);
            enumConstantDeclaration.setAnonymousClassDeclaration(result);
         }
         return result;
      }

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