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

Example 1 with TagElement

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

the class ReturnTypeSubProcessor method addMissingReturnStatementProposals.

public static void addMissingReturnStatementProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
    ICompilationUnit cu = context.getCompilationUnit();
    ASTNode selectedNode = problem.getCoveringNode(context.getASTRoot());
    if (selectedNode == null) {
        return;
    }
    ReturnStatement existingStatement = (selectedNode instanceof ReturnStatement) ? (ReturnStatement) selectedNode : null;
    // Lambda Expression can be in a MethodDeclaration or a Field Declaration
    if (selectedNode instanceof LambdaExpression) {
        MissingReturnTypeInLambdaCorrectionProposal proposal = new MissingReturnTypeInLambdaCorrectionProposal(cu, (LambdaExpression) selectedNode, existingStatement, IProposalRelevance.MISSING_RETURN_TYPE);
        proposals.add(proposal);
    } else {
        BodyDeclaration decl = ASTResolving.findParentBodyDeclaration(selectedNode);
        if (decl instanceof MethodDeclaration) {
            MethodDeclaration methodDecl = (MethodDeclaration) decl;
            Block block = methodDecl.getBody();
            if (block == null) {
                return;
            }
            proposals.add(new MissingReturnTypeCorrectionProposal(cu, methodDecl, existingStatement, IProposalRelevance.MISSING_RETURN_TYPE));
            Type returnType = methodDecl.getReturnType2();
            if (returnType != null && !"void".equals(ASTNodes.asString(returnType))) {
                //$NON-NLS-1$
                AST ast = methodDecl.getAST();
                ASTRewrite rewrite = ASTRewrite.create(ast);
                rewrite.replace(returnType, ast.newPrimitiveType(PrimitiveType.VOID), null);
                Javadoc javadoc = methodDecl.getJavadoc();
                if (javadoc != null) {
                    TagElement tagElement = JavadocTagsSubProcessor.findTag(javadoc, TagElement.TAG_RETURN, null);
                    if (tagElement != null) {
                        rewrite.remove(tagElement, null);
                    }
                }
                String label = CorrectionMessages.ReturnTypeSubProcessor_changetovoid_description;
                Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
                ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, cu, rewrite, IProposalRelevance.CHANGE_RETURN_TYPE_TO_VOID, image);
                proposals.add(proposal);
            }
        }
    }
}

Example 2 with TagElement

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

the class ReturnTypeSubProcessor method addMissingReturnTypeProposals.

public static void addMissingReturnTypeProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
    ICompilationUnit cu = context.getCompilationUnit();
    CompilationUnit astRoot = context.getASTRoot();
    ASTNode selectedNode = problem.getCoveringNode(astRoot);
    if (selectedNode == null) {
        return;
    }
    BodyDeclaration decl = ASTResolving.findParentBodyDeclaration(selectedNode);
    if (decl instanceof MethodDeclaration) {
        MethodDeclaration methodDeclaration = (MethodDeclaration) decl;
        ReturnStatementCollector eval = new ReturnStatementCollector();
        decl.accept(eval);
        AST ast = astRoot.getAST();
        ITypeBinding typeBinding = eval.getTypeBinding(decl.getAST());
        typeBinding = Bindings.normalizeTypeBinding(typeBinding);
        if (typeBinding == null) {
            //$NON-NLS-1$
            typeBinding = ast.resolveWellKnownType("void");
        }
        if (typeBinding.isWildcardType()) {
            typeBinding = ASTResolving.normalizeWildcardType(typeBinding, true, ast);
        }
        ASTRewrite rewrite = ASTRewrite.create(ast);
        String label = Messages.format(CorrectionMessages.ReturnTypeSubProcessor_missingreturntype_description, BindingLabelProvider.getBindingLabel(typeBinding, BindingLabelProvider.DEFAULT_TEXTFLAGS));
        Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
        LinkedCorrectionProposal proposal = new LinkedCorrectionProposal(label, cu, rewrite, IProposalRelevance.MISSING_RETURN_TYPE, image);
        ImportRewrite imports = proposal.createImportRewrite(astRoot);
        ImportRewriteContext importRewriteContext = new ContextSensitiveImportRewriteContext(decl, imports);
        Type type = imports.addImport(typeBinding, ast, importRewriteContext);
        rewrite.set(methodDeclaration, MethodDeclaration.RETURN_TYPE2_PROPERTY, type, null);
        rewrite.set(methodDeclaration, MethodDeclaration.CONSTRUCTOR_PROPERTY, Boolean.FALSE, null);
        Javadoc javadoc = methodDeclaration.getJavadoc();
        if (javadoc != null && typeBinding != null) {
            TagElement newTag = ast.newTagElement();
            newTag.setTagName(TagElement.TAG_RETURN);
            TextElement commentStart = ast.newTextElement();
            newTag.fragments().add(commentStart);
            JavadocTagsSubProcessor.insertTag(rewrite.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY), newTag, null);
            //$NON-NLS-1$
            proposal.addLinkedPosition(rewrite.track(commentStart), false, "comment_start");
        }
        //$NON-NLS-1$
        String key = "return_type";
        proposal.addLinkedPosition(rewrite.track(type), true, key);
        if (typeBinding != null) {
            ITypeBinding[] bindings = ASTResolving.getRelaxingTypes(ast, typeBinding);
            for (int i = 0; i < bindings.length; i++) {
                proposal.addLinkedPositionProposal(key, bindings[i]);
            }
        }
        proposals.add(proposal);
        // change to constructor
        ASTNode parentType = ASTResolving.findParentType(decl);
        if (parentType instanceof AbstractTypeDeclaration) {
            boolean isInterface = parentType instanceof TypeDeclaration && ((TypeDeclaration) parentType).isInterface();
            if (!isInterface) {
                String constructorName = ((AbstractTypeDeclaration) parentType).getName().getIdentifier();
                ASTNode nameNode = methodDeclaration.getName();
                label = Messages.format(CorrectionMessages.ReturnTypeSubProcessor_wrongconstructorname_description, BasicElementLabels.getJavaElementName(constructorName));
                proposals.add(new ReplaceCorrectionProposal(label, cu, nameNode.getStartPosition(), nameNode.getLength(), constructorName, IProposalRelevance.CHANGE_TO_CONSTRUCTOR));
            }
        }
    }
}

Example 3 with TagElement

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

the class ChangeMethodSignatureProposal method modifyExceptions.

private void modifyExceptions(ASTRewrite rewrite, MethodDeclaration methodDecl) {
    AST ast = methodDecl.getAST();
    ImportRewrite imports = getImportRewrite();
    ImportRewriteContext context = new ContextSensitiveImportRewriteContext(methodDecl, imports);
    ListRewrite listRewrite = rewrite.getListRewrite(methodDecl, MethodDeclaration.THROWN_EXCEPTION_TYPES_PROPERTY);
    // old exceptions
    List<Type> exceptions = methodDecl.thrownExceptionTypes();
    // index over the old exceptions
    int k = 0;
    for (int i = 0; i < fExceptionChanges.length; i++) {
        ChangeDescription curr = fExceptionChanges[i];
        if (curr == null) {
            k++;
        } else if (curr instanceof InsertDescription) {
            InsertDescription desc = (InsertDescription) curr;
            String type = imports.addImport(desc.type, context);
            ASTNode newNode = imports.addImport(desc.type, ast, context);
            listRewrite.insertAt(newNode, i, null);
            String key = getExceptionTypeGroupId(i);
            addLinkedPosition(rewrite.track(newNode), false, key);
            Javadoc javadoc = methodDecl.getJavadoc();
            if (javadoc != null && JavadocTagsSubProcessor.findThrowsTag(javadoc, type) == null) {
                TagElement newTagElement = ast.newTagElement();
                newTagElement.setTagName(TagElement.TAG_THROWS);
                ASTNode newRef = ASTNodeFactory.newName(ast, type);
                newTagElement.fragments().add(newRef);
                //$NON-NLS-1$
                insertTabStop(rewrite, newTagElement.fragments(), "throws_tagcomment" + i);
                insertThrowsTag(rewrite.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY), exceptions, k, newTagElement);
                addLinkedPosition(rewrite.track(newRef), false, key);
            }
        } else if (curr instanceof RemoveDescription) {
            Type node = exceptions.get(k);
            listRewrite.remove(node, null);
            k++;
            TagElement tagNode = findThrowsTag(methodDecl, node);
            if (tagNode != null) {
                rewrite.remove(tagNode, null);
            }
        } else if (curr instanceof EditDescription) {
            EditDescription desc = (EditDescription) curr;
            Type oldNode = exceptions.get(k);
            String type = imports.addImport(desc.type, context);
            ASTNode newNode = imports.addImport(desc.type, ast, context);
            listRewrite.replace(oldNode, newNode, null);
            String key = getExceptionTypeGroupId(i);
            addLinkedPosition(rewrite.track(newNode), false, key);
            k++;
            TagElement tagNode = findThrowsTag(methodDecl, oldNode);
            if (tagNode != null) {
                ASTNode newRef = ASTNodeFactory.newType(ast, type);
                rewrite.replace((ASTNode) tagNode.fragments().get(0), newRef, null);
                addLinkedPosition(rewrite.track(newRef), false, key);
            }
        } else if (curr instanceof SwapDescription) {
            Type decl1 = exceptions.get(k);
            Type decl2 = exceptions.get(((SwapDescription) curr).index);
            rewrite.replace(decl1, rewrite.createCopyTarget(decl2), null);
            rewrite.replace(decl2, rewrite.createCopyTarget(decl1), null);
            k++;
            TagElement tagNode1 = findThrowsTag(methodDecl, decl1);
            TagElement tagNode2 = findThrowsTag(methodDecl, decl2);
            if (tagNode1 != null && tagNode2 != null) {
                rewrite.replace(tagNode1, rewrite.createCopyTarget(tagNode2), null);
                rewrite.replace(tagNode2, rewrite.createCopyTarget(tagNode1), null);
            }
        }
    }
}

Example 4 with TagElement

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

the class AddTypeParameterProposal method getRewrite.

@Override
protected ASTRewrite getRewrite() throws CoreException {
    ASTNode boundNode = fAstRoot.findDeclaringNode(fBinding);
    ASTNode declNode = null;
    if (boundNode != null) {
        // is same CU
        declNode = boundNode;
        createImportRewrite(fAstRoot);
    } else {
        CompilationUnit newRoot = ASTResolving.createQuickFixAST(getCompilationUnit(), null);
        declNode = newRoot.findDeclaringNode(fBinding.getKey());
        createImportRewrite(newRoot);
    }
    AST ast = declNode.getAST();
    TypeParameter newTypeParam = ast.newTypeParameter();
    newTypeParam.setName(ast.newSimpleName(fTypeParamName));
    if (fBounds != null && fBounds.length > 0) {
        List<Type> typeBounds = newTypeParam.typeBounds();
        ImportRewriteContext importRewriteContext = new ContextSensitiveImportRewriteContext(declNode, getImportRewrite());
        for (int i = 0; i < fBounds.length; i++) {
            Type newBound = getImportRewrite().addImport(fBounds[i], ast, importRewriteContext);
            typeBounds.add(newBound);
        }
    }
    ASTRewrite rewrite = ASTRewrite.create(ast);
    ListRewrite listRewrite;
    Javadoc javadoc;
    List<TypeParameter> otherTypeParams;
    if (declNode instanceof TypeDeclaration) {
        TypeDeclaration declaration = (TypeDeclaration) declNode;
        listRewrite = rewrite.getListRewrite(declaration, TypeDeclaration.TYPE_PARAMETERS_PROPERTY);
        otherTypeParams = declaration.typeParameters();
        javadoc = declaration.getJavadoc();
    } else {
        MethodDeclaration declaration = (MethodDeclaration) declNode;
        listRewrite = rewrite.getListRewrite(declNode, MethodDeclaration.TYPE_PARAMETERS_PROPERTY);
        otherTypeParams = declaration.typeParameters();
        javadoc = declaration.getJavadoc();
    }
    listRewrite.insertLast(newTypeParam, null);
    if (javadoc != null && otherTypeParams != null) {
        ListRewrite tagsRewriter = rewrite.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY);
        Set<String> previousNames = JavadocTagsSubProcessor.getPreviousTypeParamNames(otherTypeParams, null);
        String name = '<' + fTypeParamName + '>';
        TagElement newTag = ast.newTagElement();
        newTag.setTagName(TagElement.TAG_PARAM);
        TextElement text = ast.newTextElement();
        text.setText(name);
        newTag.fragments().add(text);
        JavadocTagsSubProcessor.insertTag(tagsRewriter, newTag, previousNames);
    }
    return rewrite;
}

Example 5 with TagElement

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

the class JavadocContentAccess2 method handleInheritDoc.

/**
     * Handle {@inheritDoc}.
     *
     * @param node
     *         the node
     * @return <code>true</code> iff the node was an {&#64;inheritDoc} node and has been handled
     */
private boolean handleInheritDoc(TagElement node) {
    if (!TagElement.TAG_INHERITDOC.equals(node.getTagName()))
        return false;
    try {
        if (fMethod == null)
            return false;
        TagElement blockTag = (TagElement) node.getParent();
        String blockTagName = blockTag.getTagName();
        if (blockTagName == null) {
            CharSequence inherited = fJavadocLookup.getInheritedMainDescription(fMethod);
            return handleInherited(inherited);
        } else if (TagElement.TAG_PARAM.equals(blockTagName)) {
            List<? extends ASTNode> fragments = blockTag.fragments();
            if (fragments.size() > 0) {
                Object first = fragments.get(0);
                if (first instanceof SimpleName) {
                    String name = ((SimpleName) first).getIdentifier();
                    String[] parameterNames = fMethod.getParameterNames();
                    for (int i = 0; i < parameterNames.length; i++) {
                        if (name.equals(parameterNames[i])) {
                            CharSequence inherited = fJavadocLookup.getInheritedParamDescription(fMethod, i);
                            return handleInherited(inherited);
                        }
                    }
                }
            }
        } else if (TagElement.TAG_RETURN.equals(blockTagName)) {
            CharSequence inherited = fJavadocLookup.getInheritedReturnDescription(fMethod);
            return handleInherited(inherited);
        } else if (TagElement.TAG_THROWS.equals(blockTagName) || TagElement.TAG_EXCEPTION.equals(blockTagName)) {
            List<? extends ASTNode> fragments = blockTag.fragments();
            if (fragments.size() > 0) {
                Object first = fragments.get(0);
                if (first instanceof Name) {
                    String name = ASTNodes.getSimpleNameIdentifier((Name) first);
                    CharSequence inherited = fJavadocLookup.getInheritedExceptionDescription(fMethod, name);
                    return handleInherited(inherited);
                }
            }
        }
    } catch (JavaModelException e) {
        LOG.error(e.getMessage(), e);
    }
    return false;
}