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

Example 46 with ImportRewriteContext

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

the class ExtractMethodRefactoring method createNewMethodDeclaration.

private MethodDeclaration createNewMethodDeclaration() {
    MethodDeclaration result = fAST.newMethodDeclaration();
    int modifiers = fVisibility;
    BodyDeclaration enclosingBodyDeclaration = fAnalyzer.getEnclosingBodyDeclaration();
    boolean isDestinationInterface = isDestinationInterface();
    if (isDestinationInterface && !(enclosingBodyDeclaration instanceof MethodDeclaration && enclosingBodyDeclaration.getParent() == fDestination && Modifier.isPublic(enclosingBodyDeclaration.getModifiers()))) {
        modifiers = Modifier.NONE;
    }
    boolean shouldBeStatic = false;
    ASTNode currentParent = enclosingBodyDeclaration;
    do {
        if (currentParent instanceof BodyDeclaration) {
            shouldBeStatic = shouldBeStatic || JdtFlags.isStatic((BodyDeclaration) currentParent);
        }
        currentParent = currentParent.getParent();
    } while (!shouldBeStatic && currentParent != null && currentParent != fDestination);
    if (shouldBeStatic || fAnalyzer.getForceStatic() || forceStatic()) {
        modifiers |= Modifier.STATIC;
    } else if (isDestinationInterface) {
        modifiers |= Modifier.DEFAULT;
    }
    ITypeBinding[] typeVariables = computeLocalTypeVariables(modifiers);
    List<TypeParameter> typeParameters = result.typeParameters();
    for (int i = 0; i < typeVariables.length; i++) {
        TypeParameter parameter = fAST.newTypeParameter();
        parameter.setName(fAST.newSimpleName(typeVariables[i].getName()));
        ITypeBinding[] bounds = typeVariables[i].getTypeBounds();
        for (int j = 0; j < bounds.length; j++) if (//$NON-NLS-1$
        !"java.lang.Object".equals(bounds[j].getQualifiedName()))
            parameter.typeBounds().add(fImportRewriter.addImport(bounds[j], fAST));
        typeParameters.add(parameter);
    }
    result.modifiers().addAll(ASTNodeFactory.newModifiers(fAST, modifiers));
    result.setReturnType2((Type) ASTNode.copySubtree(fAST, fAnalyzer.getReturnType()));
    result.setName(fAST.newSimpleName(fMethodName));
    ImportRewriteContext context = new ContextSensitiveImportRewriteContext(enclosingBodyDeclaration, fImportRewriter);
    List<SingleVariableDeclaration> parameters = result.parameters();
    for (int i = 0; i < fParameterInfos.size(); i++) {
        ParameterInfo info = fParameterInfos.get(i);
        VariableDeclaration infoDecl = getVariableDeclaration(info);
        SingleVariableDeclaration parameter = fAST.newSingleVariableDeclaration();
        parameter.modifiers().addAll(ASTNodeFactory.newModifiers(fAST, ASTNodes.getModifiers(infoDecl)));
        parameter.setType(ASTNodeFactory.newType(fAST, infoDecl, fImportRewriter, context));
        parameter.setName(fAST.newSimpleName(info.getNewName()));
        parameter.setVarargs(info.isNewVarargs());
        parameters.add(parameter);
    }
    List<Type> exceptions = result.thrownExceptionTypes();
    ITypeBinding[] exceptionTypes = fAnalyzer.getExceptions(fThrowRuntimeExceptions);
    for (int i = 0; i < exceptionTypes.length; i++) {
        ITypeBinding exceptionType = exceptionTypes[i];
        exceptions.add(fImportRewriter.addImport(exceptionType, fAST, context));
    }
    return result;
}

Example 47 with ImportRewriteContext

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

the class ExtractConstantRefactoring method getConstantType.

private Type getConstantType() throws JavaModelException {
    if (fConstantTypeCache == null) {
        IExpressionFragment fragment = getSelectedExpression();
        ITypeBinding typeBinding = guessBindingForReference(fragment.getAssociatedExpression());
        AST ast = fCuRewrite.getAST();
        typeBinding = Bindings.normalizeForDeclarationUse(typeBinding, ast);
        ImportRewrite importRewrite = fCuRewrite.getImportRewrite();
        ImportRewriteContext context = new ContextSensitiveImportRewriteContext(fCuRewrite.getRoot(), fSelectionStart, importRewrite);
        fConstantTypeCache = importRewrite.addImport(typeBinding, ast, context);
    }
    return fConstantTypeCache;
}

Example 48 with ImportRewriteContext

use of org.eclipse.jdt.core.dom.rewrite.ImportRewrite.ImportRewriteContext in project flux by eclipse.

the class AdvancedQuickAssistProcessor method getReplaceIfElseWithConditionalProposals.

private static boolean getReplaceIfElseWithConditionalProposals(IInvocationContext context, ASTNode node, Collection<ICommandAccess> resultingCollections) {
    if (!(node instanceof IfStatement)) {
        return false;
    }
    IfStatement ifStatement = (IfStatement) node;
    Statement thenStatement = getSingleStatement(ifStatement.getThenStatement());
    Statement elseStatement = getSingleStatement(ifStatement.getElseStatement());
    if (thenStatement == null || elseStatement == null) {
        return false;
    }
    Expression assigned = null;
    Expression thenExpression = null;
    Expression elseExpression = null;
    ITypeBinding exprBinding = null;
    if (thenStatement instanceof ReturnStatement && elseStatement instanceof ReturnStatement) {
        thenExpression = ((ReturnStatement) thenStatement).getExpression();
        elseExpression = ((ReturnStatement) elseStatement).getExpression();
        MethodDeclaration declaration = ASTResolving.findParentMethodDeclaration(node);
        if (declaration == null || declaration.isConstructor()) {
            return false;
        }
        exprBinding = declaration.getReturnType2().resolveBinding();
    } else if (thenStatement instanceof ExpressionStatement && elseStatement instanceof ExpressionStatement) {
        Expression inner1 = ((ExpressionStatement) thenStatement).getExpression();
        Expression inner2 = ((ExpressionStatement) elseStatement).getExpression();
        if (inner1 instanceof Assignment && inner2 instanceof Assignment) {
            Assignment assign1 = (Assignment) inner1;
            Assignment assign2 = (Assignment) inner2;
            Expression left1 = assign1.getLeftHandSide();
            Expression left2 = assign2.getLeftHandSide();
            if (left1 instanceof Name && left2 instanceof Name && assign1.getOperator() == assign2.getOperator()) {
                IBinding bind1 = ((Name) left1).resolveBinding();
                IBinding bind2 = ((Name) left2).resolveBinding();
                if (bind1 == bind2 && bind1 instanceof IVariableBinding) {
                    assigned = left1;
                    exprBinding = ((IVariableBinding) bind1).getType();
                    thenExpression = assign1.getRightHandSide();
                    elseExpression = assign2.getRightHandSide();
                }
            }
        }
    }
    if (thenExpression == null || elseExpression == null) {
        return false;
    }
    //  we could produce quick assist
    if (resultingCollections == null) {
        return true;
    }
    //
    AST ast = node.getAST();
    ASTRewrite rewrite = ASTRewrite.create(ast);
    //		TightSourceRangeComputer sourceRangeComputer= new TightSourceRangeComputer();
    //		sourceRangeComputer.addTightSourceNode(ifStatement);
    //		rewrite.setTargetSourceRangeComputer(sourceRangeComputer);
    String label = CorrectionMessages.AdvancedQuickAssistProcessor_replaceIfWithConditional;
    //		Image image= JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
    ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(), rewrite, IProposalRelevance.REPLACE_IF_ELSE_WITH_CONDITIONAL);
    // prepare conditional expression
    ConditionalExpression conditionalExpression = ast.newConditionalExpression();
    Expression conditionCopy = (Expression) rewrite.createCopyTarget(ifStatement.getExpression());
    conditionalExpression.setExpression(conditionCopy);
    Expression thenCopy = (Expression) rewrite.createCopyTarget(thenExpression);
    Expression elseCopy = (Expression) rewrite.createCopyTarget(elseExpression);
    IJavaProject project = context.getCompilationUnit().getJavaProject();
    if (!JavaModelUtil.is50OrHigher(project)) {
        ITypeBinding thenBinding = thenExpression.resolveTypeBinding();
        ITypeBinding elseBinding = elseExpression.resolveTypeBinding();
        if (thenBinding != null && elseBinding != null && exprBinding != null && !elseBinding.isAssignmentCompatible(thenBinding)) {
            CastExpression castException = ast.newCastExpression();
            ImportRewrite importRewrite = proposal.createImportRewrite(context.getASTRoot());
            ImportRewriteContext importRewriteContext = new ContextSensitiveImportRewriteContext(node, importRewrite);
            castException.setType(importRewrite.addImport(exprBinding, ast, importRewriteContext));
            castException.setExpression(elseCopy);
            elseCopy = castException;
        }
    } else if (JavaModelUtil.is17OrHigher(project)) {
        addExplicitTypeArgumentsIfNecessary(rewrite, proposal, thenExpression);
        addExplicitTypeArgumentsIfNecessary(rewrite, proposal, elseExpression);
    }
    conditionalExpression.setThenExpression(thenCopy);
    conditionalExpression.setElseExpression(elseCopy);
    // replace 'if' statement with conditional expression
    if (assigned == null) {
        ReturnStatement returnStatement = ast.newReturnStatement();
        returnStatement.setExpression(conditionalExpression);
        rewrite.replace(ifStatement, returnStatement, null);
    } else {
        Assignment assignment = ast.newAssignment();
        assignment.setLeftHandSide((Expression) rewrite.createCopyTarget(assigned));
        assignment.setRightHandSide(conditionalExpression);
        assignment.setOperator(((Assignment) assigned.getParent()).getOperator());
        ExpressionStatement expressionStatement = ast.newExpressionStatement(assignment);
        rewrite.replace(ifStatement, expressionStatement, null);
    }
    // add correction proposal
    resultingCollections.add(proposal);
    return true;
}