Example usage for org.eclipse.jdt.core.dom.rewrite ASTRewrite createMoveTarget

List of usage examples for org.eclipse.jdt.core.dom.rewrite ASTRewrite createMoveTarget

Introduction

In this page you can find the example usage for org.eclipse.jdt.core.dom.rewrite ASTRewrite createMoveTarget.

Prototype

public final ASTNode createMoveTarget(ASTNode node) 

Source Link

Document

Creates and returns a placeholder node for the new locations of the given node.

Usage

From source file:com.github.parzonka.ccms.engine.SortElementsOperation.java

License:Open Source License

private ASTRewrite sortCompilationUnit(org.eclipse.jdt.core.dom.CompilationUnit ast,
        final TextEditGroup group) {
    ast.accept(new ASTVisitor() {
        @Override/* www .j av  a 2 s  .com*/
        public boolean visit(org.eclipse.jdt.core.dom.CompilationUnit compilationUnit) {
            final List<AbstractTypeDeclaration> types = compilationUnit.types();
            for (final Iterator<AbstractTypeDeclaration> iter = types.iterator(); iter.hasNext();) {
                final AbstractTypeDeclaration typeDeclaration = iter.next();
                typeDeclaration.setProperty(CompilationUnitSorter.RELATIVE_ORDER,
                        new Integer(typeDeclaration.getStartPosition()));
                compilationUnit.setProperty(CONTAINS_MALFORMED_NODES,
                        Boolean.valueOf(isMalformed(typeDeclaration)));
            }
            return true;
        }

        @Override
        public boolean visit(AnnotationTypeDeclaration annotationTypeDeclaration) {
            final List bodyDeclarations = annotationTypeDeclaration.bodyDeclarations();
            for (final Iterator iter = bodyDeclarations.iterator(); iter.hasNext();) {
                final BodyDeclaration bodyDeclaration = (BodyDeclaration) iter.next();
                bodyDeclaration.setProperty(CompilationUnitSorter.RELATIVE_ORDER,
                        new Integer(bodyDeclaration.getStartPosition()));
                annotationTypeDeclaration.setProperty(CONTAINS_MALFORMED_NODES,
                        Boolean.valueOf(isMalformed(bodyDeclaration)));
            }
            return true;
        }

        @Override
        public boolean visit(AnonymousClassDeclaration anonymousClassDeclaration) {
            final List bodyDeclarations = anonymousClassDeclaration.bodyDeclarations();
            for (final Iterator iter = bodyDeclarations.iterator(); iter.hasNext();) {
                final BodyDeclaration bodyDeclaration = (BodyDeclaration) iter.next();
                bodyDeclaration.setProperty(CompilationUnitSorter.RELATIVE_ORDER,
                        new Integer(bodyDeclaration.getStartPosition()));
                anonymousClassDeclaration.setProperty(CONTAINS_MALFORMED_NODES,
                        Boolean.valueOf(isMalformed(bodyDeclaration)));
            }
            return true;
        }

        @Override
        public boolean visit(TypeDeclaration typeDeclaration) {
            final List bodyDeclarations = typeDeclaration.bodyDeclarations();
            for (final Iterator iter = bodyDeclarations.iterator(); iter.hasNext();) {
                final BodyDeclaration bodyDeclaration = (BodyDeclaration) iter.next();
                bodyDeclaration.setProperty(CompilationUnitSorter.RELATIVE_ORDER,
                        new Integer(bodyDeclaration.getStartPosition()));
                typeDeclaration.setProperty(CONTAINS_MALFORMED_NODES,
                        Boolean.valueOf(isMalformed(bodyDeclaration)));
            }
            return true;
        }

        @Override
        public boolean visit(EnumDeclaration enumDeclaration) {
            final List bodyDeclarations = enumDeclaration.bodyDeclarations();
            for (final Iterator iter = bodyDeclarations.iterator(); iter.hasNext();) {
                final BodyDeclaration bodyDeclaration = (BodyDeclaration) iter.next();
                bodyDeclaration.setProperty(CompilationUnitSorter.RELATIVE_ORDER,
                        new Integer(bodyDeclaration.getStartPosition()));
                enumDeclaration.setProperty(CONTAINS_MALFORMED_NODES,
                        Boolean.valueOf(isMalformed(bodyDeclaration)));
            }
            final List enumConstants = enumDeclaration.enumConstants();
            for (final Iterator iter = enumConstants.iterator(); iter.hasNext();) {
                final EnumConstantDeclaration enumConstantDeclaration = (EnumConstantDeclaration) iter.next();
                enumConstantDeclaration.setProperty(CompilationUnitSorter.RELATIVE_ORDER,
                        new Integer(enumConstantDeclaration.getStartPosition()));
                enumDeclaration.setProperty(CONTAINS_MALFORMED_NODES,
                        Boolean.valueOf(isMalformed(enumConstantDeclaration)));
            }
            return true;
        }
    });

    final ASTRewrite rewriter = ASTRewrite.create(ast.getAST());
    final boolean[] hasChanges = new boolean[] { false };

    ast.accept(new ASTVisitor() {

        /**
         * This
         *
         * @param elements
         * @param listRewrite
         */
        private void sortElements(List<BodyDeclaration> elements, ListRewrite listRewrite) {
            if (elements.size() == 0)
                return;

            final List<BodyDeclaration> myCopy = new ArrayList<BodyDeclaration>();
            myCopy.addAll(elements);

            // orderexperiment
            final List<Signature> methods = new ArrayList<Signature>();
            for (final BodyDeclaration bd : myCopy) {
                if (bd.getNodeType() == ASTNode.METHOD_DECLARATION) {
                    methods.add(new Signature((MethodDeclaration) bd));
                }
            }
            Collections.sort(methods, ((BodyDeclarationComparator) SortElementsOperation.this.comparator)
                    .getMethodDeclarationComparator());
            logger.info("Sorting of methods based on appearance:");
            int j = 0;
            for (final Signature sig : methods) {
                logger.info("Method [{}] : {}", ++j, sig);
            }

            Collections.sort(myCopy, SortElementsOperation.this.comparator);

            logger.info("Final sorting order just before the AST-Rewrite:");
            for (final BodyDeclaration bd : myCopy) {
                if (bd.getNodeType() == ASTNode.METHOD_DECLARATION) {
                    logger.info("{}", new Signature((MethodDeclaration) bd));
                } else {
                    logger.info("{}", bd.toString());
                }
            }

            for (int i = 0; i < elements.size(); i++) {
                final BodyDeclaration oldNode = elements.get(i);

                final BodyDeclaration newNode = myCopy.get(i);

                if (oldNode != newNode) {
                    if (oldNode.getNodeType() == ASTNode.METHOD_DECLARATION
                            && newNode.getNodeType() == ASTNode.METHOD_DECLARATION) {
                        final Signature oldMethodSignature = new Signature((MethodDeclaration) oldNode);
                        final Signature newMethodSignature = new Signature((MethodDeclaration) newNode);
                        logger.trace("Swapping [{}]for [{}]", oldMethodSignature, newMethodSignature);
                    } else {
                        logger.trace("Swapping [{}]for [{}]", oldNode.getNodeType(), newNode.getNodeType());
                    }
                    listRewrite.replace(oldNode, rewriter.createMoveTarget(newNode), group);
                    hasChanges[0] = true;
                }
            }
        }

        @Override
        public boolean visit(org.eclipse.jdt.core.dom.CompilationUnit compilationUnit) {
            if (checkMalformedNodes(compilationUnit)) {
                logger.warn("Malformed nodes. Aborting sorting of current element.");
                return true;
            }

            sortElements(compilationUnit.types(), rewriter.getListRewrite(compilationUnit,
                    org.eclipse.jdt.core.dom.CompilationUnit.TYPES_PROPERTY));
            return true;
        }

        @Override
        public boolean visit(AnnotationTypeDeclaration annotationTypeDeclaration) {
            if (checkMalformedNodes(annotationTypeDeclaration)) {
                logger.warn("Malformed nodes. Aborting sorting of current element.");
                return true;
            }

            sortElements(annotationTypeDeclaration.bodyDeclarations(), rewriter.getListRewrite(
                    annotationTypeDeclaration, AnnotationTypeDeclaration.BODY_DECLARATIONS_PROPERTY));
            return true;
        }

        @Override
        public boolean visit(AnonymousClassDeclaration anonymousClassDeclaration) {
            if (checkMalformedNodes(anonymousClassDeclaration)) {
                logger.warn("Malformed nodes. Aborting sorting of current element.");
                return true;
            }

            sortElements(anonymousClassDeclaration.bodyDeclarations(), rewriter.getListRewrite(
                    anonymousClassDeclaration, AnonymousClassDeclaration.BODY_DECLARATIONS_PROPERTY));
            return true;
        }

        @Override
        public boolean visit(TypeDeclaration typeDeclaration) {
            if (checkMalformedNodes(typeDeclaration)) {
                logger.warn("Malformed nodes. Aborting sorting of current element.");
                return true;
            }

            sortElements(typeDeclaration.bodyDeclarations(),
                    rewriter.getListRewrite(typeDeclaration, TypeDeclaration.BODY_DECLARATIONS_PROPERTY));
            return true;
        }

        @Override
        public boolean visit(EnumDeclaration enumDeclaration) {
            if (checkMalformedNodes(enumDeclaration)) {
                return true; // abort sorting of current element
            }

            sortElements(enumDeclaration.bodyDeclarations(),
                    rewriter.getListRewrite(enumDeclaration, EnumDeclaration.BODY_DECLARATIONS_PROPERTY));
            sortElements(enumDeclaration.enumConstants(),
                    rewriter.getListRewrite(enumDeclaration, EnumDeclaration.ENUM_CONSTANTS_PROPERTY));
            return true;
        }
    });

    if (!hasChanges[0])
        return null;

    return rewriter;
}

From source file:edu.umd.cs.findbugs.plugin.eclipse.quickfix.CreateAndOddnessCheckResolution.java

License:Open Source License

/**
 * Creates the new <CODE>InfixExpression</CODE> <CODE>(x & 1) == 1</CODE>.
 *//*ww  w. ja v  a  2  s .  co m*/
@Override
protected InfixExpression createCorrectOddnessCheck(ASTRewrite rewrite, Expression numberExpression) {
    Assert.isNotNull(rewrite);
    Assert.isNotNull(numberExpression);

    final AST ast = rewrite.getAST();
    InfixExpression andOddnessCheck = ast.newInfixExpression();
    ParenthesizedExpression parenthesizedExpression = ast.newParenthesizedExpression();
    InfixExpression andExpression = ast.newInfixExpression();

    andExpression.setLeftOperand((Expression) rewrite.createMoveTarget(numberExpression));
    andExpression.setOperator(AND);
    andExpression.setRightOperand(ast.newNumberLiteral("1"));
    parenthesizedExpression.setExpression(andExpression);
    andOddnessCheck.setLeftOperand(parenthesizedExpression);
    andOddnessCheck.setOperator(EQUALS);
    andOddnessCheck.setRightOperand(ast.newNumberLiteral("1"));

    return andOddnessCheck;

}

From source file:edu.umd.cs.findbugs.plugin.eclipse.quickfix.CreateRemainderOddnessCheckResolution.java

License:Open Source License

/**
 * Creates the new <CODE>InfixExpression</CODE> <CODE>x % 2 != 0</CODE>
 *///from   w w  w .  jav a 2 s. c o m
@Override
protected InfixExpression createCorrectOddnessCheck(ASTRewrite rewrite, Expression numberExpression) {
    Assert.isNotNull(rewrite);
    Assert.isNotNull(numberExpression);

    final AST ast = rewrite.getAST();
    InfixExpression correctOddnessCheck = ast.newInfixExpression();
    InfixExpression remainderExp = ast.newInfixExpression();

    correctOddnessCheck.setLeftOperand(remainderExp);
    correctOddnessCheck.setOperator(NOT_EQUALS);
    correctOddnessCheck.setRightOperand(ast.newNumberLiteral("0"));

    remainderExp.setLeftOperand((Expression) rewrite.createMoveTarget(numberExpression));
    remainderExp.setOperator(REMAINDER);
    remainderExp.setRightOperand(ast.newNumberLiteral("2"));

    return correctOddnessCheck;
}

From source file:edu.umd.cs.findbugs.plugin.eclipse.quickfix.UseEqualsResolution.java

License:Open Source License

private Expression createLeftOperand(ASTRewrite rewrite, Expression leftOperand) {
    Expression leftExp = (Expression) rewrite.createMoveTarget(leftOperand);
    if (leftOperand instanceof Name || leftOperand instanceof ParenthesizedExpression) {
        return leftExp;
    }//from www . j  a  v a 2 s . c  om
    final AST ast = rewrite.getAST();
    ParenthesizedExpression parExp = ast.newParenthesizedExpression();
    parExp.setExpression(leftExp);
    return parExp;
}

From source file:edu.umd.cs.findbugs.plugin.eclipse.quickfix.UseEqualsResolution.java

License:Open Source License

private Expression createRightOperand(ASTRewrite rewrite, Expression rightOperand) {
    if ((rightOperand instanceof ParenthesizedExpression)) {
        return createRightOperand(rewrite, ((ParenthesizedExpression) rightOperand).getExpression());
    }//w  w w . java 2s. co  m
    return (Expression) rewrite.createMoveTarget(rightOperand);
}

From source file:edu.umd.cs.findbugs.quickfix.resolution.CreateAndOddnessCheckResolution.java

License:Open Source License

/**
 * Creates the new <CODE>InfixExpression</CODE> <CODE>(x & 1) == 1</CODE>.
 *///w w w .  j a v  a  2s  . c o  m
@Override
protected InfixExpression createCorrectOddnessCheck(ASTRewrite rewrite, Expression numberExpression) {
    assert rewrite != null;
    assert numberExpression != null;

    final AST ast = rewrite.getAST();
    InfixExpression andOddnessCheck = ast.newInfixExpression();
    ParenthesizedExpression parenthesizedExpression = ast.newParenthesizedExpression();
    InfixExpression andExpression = ast.newInfixExpression();

    andExpression.setLeftOperand((Expression) rewrite.createMoveTarget(numberExpression));
    andExpression.setOperator(AND);
    andExpression.setRightOperand(ast.newNumberLiteral("1"));
    parenthesizedExpression.setExpression(andExpression);
    andOddnessCheck.setLeftOperand(parenthesizedExpression);
    andOddnessCheck.setOperator(EQUALS);
    andOddnessCheck.setRightOperand(ast.newNumberLiteral("1"));

    return andOddnessCheck;

}

From source file:edu.umd.cs.findbugs.quickfix.resolution.CreateRemainderOddnessCheckResolution.java

License:Open Source License

/**
 * Creates the new <CODE>InfixExpression</CODE> <CODE>x % 2 != 0</CODE>
 *//*from www  . j a  v  a2s  .  co  m*/
@Override
protected InfixExpression createCorrectOddnessCheck(ASTRewrite rewrite, Expression numberExpression) {
    assert rewrite != null;
    assert numberExpression != null;

    final AST ast = rewrite.getAST();
    InfixExpression correctOddnessCheck = ast.newInfixExpression();
    InfixExpression remainderExp = ast.newInfixExpression();

    correctOddnessCheck.setLeftOperand(remainderExp);
    correctOddnessCheck.setOperator(NOT_EQUALS);
    correctOddnessCheck.setRightOperand(ast.newNumberLiteral("0"));

    remainderExp.setLeftOperand((Expression) rewrite.createMoveTarget(numberExpression));
    remainderExp.setOperator(REMAINDER);
    remainderExp.setRightOperand(ast.newNumberLiteral("2"));

    return correctOddnessCheck;
}

From source file:nz.ac.massey.cs.care.refactoring.executers.IntroduceFactoryRefactoring.java

License:Open Source License

/**
 * Updates the constructor call./*from   www .  j a va  2 s.c om*/
 *
 * @param ctorCall the ClassInstanceCreation to be marked as replaced
 * @param unitRewriter the AST rewriter
 * @param gd the edit group to use
 */
private void rewriteFactoryMethodCall(ClassInstanceCreation ctorCall, ASTRewrite unitRewriter,
        TextEditGroup gd) {
    AST ast = unitRewriter.getAST();
    MethodInvocation factoryMethodCall = ast.newMethodInvocation();

    ASTNode ctorCallParent = ctorCall.getParent();
    StructuralPropertyDescriptor ctorCallLocation = ctorCall.getLocationInParent();
    if (ctorCallLocation instanceof ChildListPropertyDescriptor) {
        ListRewrite ctorCallParentListRewrite = unitRewriter.getListRewrite(ctorCallParent,
                (ChildListPropertyDescriptor) ctorCallLocation);
        int index = ctorCallParentListRewrite.getOriginalList().indexOf(ctorCall);
        ctorCall = (ClassInstanceCreation) ctorCallParentListRewrite.getRewrittenList().get(index);
    } else {
        ctorCall = (ClassInstanceCreation) unitRewriter.get(ctorCallParent, ctorCallLocation);
    }

    ListRewrite actualFactoryArgs = unitRewriter.getListRewrite(factoryMethodCall,
            MethodInvocation.ARGUMENTS_PROPERTY);
    ListRewrite actualCtorArgs = unitRewriter.getListRewrite(ctorCall,
            ClassInstanceCreation.ARGUMENTS_PROPERTY);

    // Need to use a qualified name for the factory method if we're not
    // in the context of the class holding the factory.
    AbstractTypeDeclaration callOwner = (AbstractTypeDeclaration) ASTNodes.getParent(ctorCall,
            AbstractTypeDeclaration.class);
    ITypeBinding callOwnerBinding = callOwner.resolveBinding();

    if (callOwnerBinding == null
            || !Bindings.equals(callOwner.resolveBinding(), fFactoryOwningClass.resolveBinding())) {
        String qualifier = fImportRewriter.addImport(fFactoryOwningClass.resolveBinding());
        factoryMethodCall.setExpression(ASTNodeFactory.newName(ast, qualifier));
    }

    factoryMethodCall.setName(ast.newSimpleName(fNewMethodName));

    List<Expression> actualCtorArgsList = actualCtorArgs.getRewrittenList();
    for (int i = 0; i < actualCtorArgsList.size(); i++) {
        Expression actualCtorArg = actualCtorArgsList.get(i);

        ASTNode movedArg;
        if (ASTNodes.isExistingNode(actualCtorArg)) {
            movedArg = unitRewriter.createMoveTarget(actualCtorArg);
        } else {
            unitRewriter.remove(actualCtorArg, null);
            movedArg = actualCtorArg;
        }

        actualFactoryArgs.insertLast(movedArg, gd);
    }

    unitRewriter.replace(ctorCall, factoryMethodCall, gd);
}

From source file:org.wloka.reflectify.internal.assist.ClassInstanceCreationProposalCreator.java

License:Open Source License

@SuppressWarnings("unchecked")
public IJavaCompletionProposal createProposal(ASTNode node, IInvocationContext context) {
    if (node == null || node.getNodeType() != ASTNode.CLASS_INSTANCE_CREATION) {
        throw new IllegalArgumentException(ReflectifyMessages.NoOrIllegalNodeError);
    }//from   www.  j a  va2s. c o m

    ClassInstanceCreation cicNode = (ClassInstanceCreation) node;

    AST ast = cicNode.getAST();
    ASTRewrite rewrite = ASTRewrite.create(ast);
    IMethodBinding method = cicNode.resolveConstructorBinding();

    if (method == null) {
        throw new IllegalArgumentException(ReflectifyMessages.BindingResolutionError);
    }
    ITypeBinding[] paramTyps = method.getParameterTypes();

    MethodInvocation methFor = createClassForName(cicNode.getType().resolveBinding(), ast);
    MethodInvocation methNew = ast.newMethodInvocation();
    methNew.setName(ast.newSimpleName("newInstance")); //$NON-NLS-1$
    if (paramTyps == null || paramTyps.length == 0) {
        methNew.setExpression(methFor);
    } else {
        MethodInvocation methGet = createGetConstructorMethod(paramTyps, ast);
        methGet.setExpression(methFor);

        List<Expression> paramVars = cicNode.arguments();
        for (Expression curParam : paramVars) {
            methNew.arguments().add(rewrite.createMoveTarget(curParam));
        }
        methNew.setExpression(methGet);
    }

    rewrite.replace(node, methNew, null); // no edit group

    return new ASTRewriteCorrectionProposal(ReflectifyMessages.ReflectifyAssistProcessor_instance,
            context.getCompilationUnit(), rewrite, getRelevance(),
            JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_LOCAL));
}