Examples with ASTRewrite org.eclipse.jdt.core.dom.rewrite.ASTRewrite used on opensource projects

Example 96 with ASTRewrite

use of org.eclipse.jdt.core.dom.rewrite.ASTRewrite in project che by eclipse.

the class UnresolvedElementsSubProcessor method createTypeRefChangeProposal.

private static CUCorrectionProposal createTypeRefChangeProposal(ICompilationUnit cu, String fullName, Name node, int relevance, int maxProposals) {
    ImportRewrite importRewrite = null;
    String simpleName = fullName;
    String packName = Signature.getQualifier(fullName);
    if (packName.length() > 0) {
        // no imports for primitive types, type variables
        importRewrite = StubUtility.createImportRewrite((CompilationUnit) node.getRoot(), true);
        // can be null in package-info.java
        BodyDeclaration scope = ASTResolving.findParentBodyDeclaration(node);
        ImportRewriteContext context = new ContextSensitiveImportRewriteContext(scope != null ? scope : node, importRewrite);
        simpleName = importRewrite.addImport(fullName, context);
    }
    if (!isLikelyTypeName(simpleName)) {
        relevance -= 2;
    }
    ASTRewriteCorrectionProposal proposal;
    if (importRewrite != null && node.isSimpleName() && simpleName.equals(((SimpleName) node).getIdentifier())) {
        // import only
        // import only
        String[] arg = { BasicElementLabels.getJavaElementName(simpleName), BasicElementLabels.getJavaElementName(packName) };
        String label = Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_importtype_description, arg);
        Image image = JavaPluginImages.get(JavaPluginImages.IMG_OBJS_IMPDECL);
        int boost = QualifiedTypeNameHistory.getBoost(fullName, 0, maxProposals);
        proposal = new AddImportCorrectionProposal(label, cu, relevance + 100 + boost, image, packName, simpleName, (SimpleName) node);
        proposal.setCommandId(ADD_IMPORT_ID);
    } else {
        String label;
        if (packName.length() == 0) {
            label = Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_changetype_nopack_description, BasicElementLabels.getJavaElementName(simpleName));
        } else {
            String[] arg = { BasicElementLabels.getJavaElementName(simpleName), BasicElementLabels.getJavaElementName(packName) };
            label = Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_changetype_description, arg);
        }
        ASTRewrite rewrite = ASTRewrite.create(node.getAST());
        rewrite.replace(node, rewrite.createStringPlaceholder(simpleName, ASTNode.SIMPLE_TYPE), null);
        Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
        proposal = new ASTRewriteCorrectionProposal(label, cu, rewrite, relevance, image);
    }
    if (importRewrite != null) {
        proposal.setImportRewrite(importRewrite);
    }
    return proposal;
}

Example 97 with ASTRewrite

use of org.eclipse.jdt.core.dom.rewrite.ASTRewrite in project che by eclipse.

the class QuickAssistProcessor method getArrayInitializerToArrayCreation.

private static boolean getArrayInitializerToArrayCreation(IInvocationContext context, ASTNode node, Collection<ICommandAccess> resultingCollections) {
    if (!(node instanceof ArrayInitializer)) {
        return false;
    }
    ArrayInitializer initializer = (ArrayInitializer) node;
    ASTNode parent = initializer.getParent();
    while (parent instanceof ArrayInitializer) {
        initializer = (ArrayInitializer) parent;
        parent = parent.getParent();
    }
    ITypeBinding typeBinding = initializer.resolveTypeBinding();
    if (!(parent instanceof VariableDeclaration) || typeBinding == null || !typeBinding.isArray()) {
        return false;
    }
    if (resultingCollections == null) {
        return true;
    }
    AST ast = node.getAST();
    ASTRewrite rewrite = ASTRewrite.create(ast);
    String label = CorrectionMessages.QuickAssistProcessor_typetoarrayInitializer_description;
    Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
    LinkedCorrectionProposal proposal = new LinkedCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.ADD_TYPE_TO_ARRAY_INITIALIZER, image);
    ImportRewrite imports = proposal.createImportRewrite(context.getASTRoot());
    ImportRewriteContext importRewriteContext = new ContextSensitiveImportRewriteContext(node, imports);
    String typeName = imports.addImport(typeBinding, importRewriteContext);
    ArrayCreation creation = ast.newArrayCreation();
    creation.setInitializer((ArrayInitializer) rewrite.createMoveTarget(initializer));
    creation.setType((ArrayType) ASTNodeFactory.newType(ast, typeName));
    rewrite.replace(initializer, creation, null);
    resultingCollections.add(proposal);
    return true;
}

Example 98 with ASTRewrite

use of org.eclipse.jdt.core.dom.rewrite.ASTRewrite in project che by eclipse.

the class QuickAssistProcessor method getUnrollMultiCatchProposals.

private static boolean getUnrollMultiCatchProposals(IInvocationContext context, ASTNode covering, Collection<ICommandAccess> resultingCollections) {
    if (!JavaModelUtil.is17OrHigher(context.getCompilationUnit().getJavaProject()))
        return false;
    CatchClause catchClause = (CatchClause) ASTResolving.findAncestor(covering, ASTNode.CATCH_CLAUSE);
    if (catchClause == null) {
        return false;
    }
    Statement statement = ASTResolving.findParentStatement(covering);
    if (statement != catchClause.getParent() && statement != catchClause.getBody()) {
        // selection is in a statement inside the body
        return false;
    }
    Type type1 = catchClause.getException().getType();
    Type selectedMultiCatchType = null;
    if (type1.isUnionType() && covering instanceof Name) {
        Name topMostName = ASTNodes.getTopMostName((Name) covering);
        ASTNode parent = topMostName.getParent();
        if (parent instanceof SimpleType || parent instanceof NameQualifiedType) {
            selectedMultiCatchType = (Type) parent;
        }
    }
    if (selectedMultiCatchType != null)
        return false;
    SingleVariableDeclaration singleVariableDeclaration = catchClause.getException();
    Type type = singleVariableDeclaration.getType();
    if (!(type instanceof UnionType))
        return false;
    if (resultingCollections == null)
        return true;
    AST ast = covering.getAST();
    ASTRewrite rewrite = ASTRewrite.create(ast);
    TryStatement tryStatement = (TryStatement) catchClause.getParent();
    ListRewrite listRewrite = rewrite.getListRewrite(tryStatement, TryStatement.CATCH_CLAUSES_PROPERTY);
    UnionType unionType = (UnionType) type;
    List<Type> types = unionType.types();
    for (int i = types.size() - 1; i >= 0; i--) {
        Type type2 = types.get(i);
        CatchClause newCatchClause = ast.newCatchClause();
        SingleVariableDeclaration newSingleVariableDeclaration = ast.newSingleVariableDeclaration();
        newSingleVariableDeclaration.setType((Type) rewrite.createCopyTarget(type2));
        newSingleVariableDeclaration.setName((SimpleName) rewrite.createCopyTarget(singleVariableDeclaration.getName()));
        newCatchClause.setException(newSingleVariableDeclaration);
        setCatchClauseBody(newCatchClause, rewrite, catchClause);
        listRewrite.insertAfter(newCatchClause, catchClause, null);
    }
    rewrite.remove(catchClause, null);
    Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
    String label = CorrectionMessages.QuickAssistProcessor_convert_to_multiple_singletype_catch_blocks;
    ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.USE_SEPARATE_CATCH_BLOCKS, image);
    resultingCollections.add(proposal);
    return true;
}

Example 99 with ASTRewrite

use of org.eclipse.jdt.core.dom.rewrite.ASTRewrite in project che by eclipse.

the class ModifierCorrectionSubProcessor method removeOverrideAnnotationProposal.

public static void removeOverrideAnnotationProposal(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) throws CoreException {
    ICompilationUnit cu = context.getCompilationUnit();
    ASTNode selectedNode = problem.getCoveringNode(context.getASTRoot());
    if (!(selectedNode instanceof MethodDeclaration)) {
        return;
    }
    MethodDeclaration methodDecl = (MethodDeclaration) selectedNode;
    //$NON-NLS-1$
    Annotation annot = findAnnotation("java.lang.Override", methodDecl.modifiers());
    if (annot != null) {
        ASTRewrite rewrite = ASTRewrite.create(annot.getAST());
        rewrite.remove(annot, null);
        String label = CorrectionMessages.ModifierCorrectionSubProcessor_remove_override;
        Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
        ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, cu, rewrite, IProposalRelevance.REMOVE_OVERRIDE, image);
        proposals.add(proposal);
        QuickAssistProcessor.getCreateInSuperClassProposals(context, methodDecl.getName(), proposals);
    }
}

Example 100 with ASTRewrite

use of org.eclipse.jdt.core.dom.rewrite.ASTRewrite in project che by eclipse.

the class QuickAssistProcessor method getPickoutTypeFromMulticatchProposals.

private static boolean getPickoutTypeFromMulticatchProposals(IInvocationContext context, ASTNode node, ArrayList<ASTNode> coveredNodes, Collection<ICommandAccess> resultingCollections) {
    CatchClause catchClause = (CatchClause) ASTResolving.findAncestor(node, ASTNode.CATCH_CLAUSE);
    if (catchClause == null) {
        return false;
    }
    Statement statement = ASTResolving.findParentStatement(node);
    if (statement != catchClause.getParent() && statement != catchClause.getBody()) {
        // selection is in a statement inside the body
        return false;
    }
    Type type = catchClause.getException().getType();
    if (!type.isUnionType()) {
        return false;
    }
    Type selectedMultiCatchType = null;
    if (type.isUnionType() && node instanceof Name) {
        Name topMostName = ASTNodes.getTopMostName((Name) node);
        ASTNode parent = topMostName.getParent();
        if (parent instanceof SimpleType || parent instanceof NameQualifiedType) {
            selectedMultiCatchType = (Type) parent;
        }
    }
    boolean multipleExceptions = coveredNodes.size() > 1;
    if ((selectedMultiCatchType == null) && (!(node instanceof UnionType) || !multipleExceptions)) {
        return false;
    }
    if (!multipleExceptions) {
        coveredNodes.add(selectedMultiCatchType);
    }
    BodyDeclaration bodyDeclaration = ASTResolving.findParentBodyDeclaration(catchClause);
    if (!(bodyDeclaration instanceof MethodDeclaration) && !(bodyDeclaration instanceof Initializer)) {
        return false;
    }
    if (resultingCollections == null) {
        return true;
    }
    AST ast = bodyDeclaration.getAST();
    ASTRewrite rewrite = ASTRewrite.create(ast);
    CatchClause newCatchClause = ast.newCatchClause();
    SingleVariableDeclaration newSingleVariableDeclaration = ast.newSingleVariableDeclaration();
    UnionType newUnionType = ast.newUnionType();
    List<Type> types = newUnionType.types();
    for (int i = 0; i < coveredNodes.size(); i++) {
        ASTNode typeNode = coveredNodes.get(i);
        types.add((Type) rewrite.createCopyTarget(typeNode));
        rewrite.remove(typeNode, null);
    }
    newSingleVariableDeclaration.setType(newUnionType);
    newSingleVariableDeclaration.setName((SimpleName) rewrite.createCopyTarget(catchClause.getException().getName()));
    newCatchClause.setException(newSingleVariableDeclaration);
    setCatchClauseBody(newCatchClause, rewrite, catchClause);
    TryStatement tryStatement = (TryStatement) catchClause.getParent();
    ListRewrite listRewrite = rewrite.getListRewrite(tryStatement, TryStatement.CATCH_CLAUSES_PROPERTY);
    listRewrite.insertAfter(newCatchClause, catchClause, null);
    Image image = JavaPluginImages.get(JavaPluginImages.IMG_OBJS_EXCEPTION);
    String label = !multipleExceptions ? CorrectionMessages.QuickAssistProcessor_move_exception_to_separate_catch_block : CorrectionMessages.QuickAssistProcessor_move_exceptions_to_separate_catch_block;
    ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.MOVE_EXCEPTION_TO_SEPERATE_CATCH_BLOCK, image);
    resultingCollections.add(proposal);
    return true;
}