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

Example 16 with IMethodBinding

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

the class UnresolvedElementsSubProcessor method hasFieldWithName.

private static boolean hasFieldWithName(ITypeBinding typeBinding, String name) {
    IMethodBinding[] methods = typeBinding.getDeclaredMethods();
    for (int i = 0; i < methods.length; i++) {
        if (methods[i].getName().equals(name)) {
            return true;
        }
    }
    ITypeBinding superclass = typeBinding.getSuperclass();
    if (superclass != null) {
        return hasMethodWithName(superclass, name);
    }
    return false;
}

Example 17 with IMethodBinding

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

the class UnresolvedElementsSubProcessor method getAnnotationMemberProposals.

public static void getAnnotationMemberProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) throws CoreException {
    CompilationUnit astRoot = context.getASTRoot();
    ICompilationUnit cu = context.getCompilationUnit();
    ASTNode selectedNode = problem.getCoveringNode(astRoot);
    Annotation annotation;
    String memberName;
    if (selectedNode.getLocationInParent() == MemberValuePair.NAME_PROPERTY) {
        if (selectedNode.getParent().getLocationInParent() != NormalAnnotation.VALUES_PROPERTY) {
            return;
        }
        annotation = (Annotation) selectedNode.getParent().getParent();
        memberName = ((SimpleName) selectedNode).getIdentifier();
    } else if (selectedNode.getLocationInParent() == SingleMemberAnnotation.VALUE_PROPERTY) {
        annotation = (Annotation) selectedNode.getParent();
        //$NON-NLS-1$
        memberName = "value";
    } else {
        return;
    }
    ITypeBinding annotBinding = annotation.resolveTypeBinding();
    if (annotBinding == null) {
        return;
    }
    if (annotation instanceof NormalAnnotation) {
        // similar names
        IMethodBinding[] otherMembers = annotBinding.getDeclaredMethods();
        for (int i = 0; i < otherMembers.length; i++) {
            IMethodBinding binding = otherMembers[i];
            String curr = binding.getName();
            int relevance = NameMatcher.isSimilarName(memberName, curr) ? IProposalRelevance.CHANGE_TO_ATTRIBUTE_SIMILAR_NAME : IProposalRelevance.CHANGE_TO_ATTRIBUTE;
            String label = Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_UnresolvedElementsSubProcessor_changetoattribute_description, BasicElementLabels.getJavaElementName(curr));
            proposals.add(new RenameNodeCorrectionProposal(label, cu, problem.getOffset(), problem.getLength(), curr, relevance));
        }
    }
    if (annotBinding.isFromSource()) {
        ICompilationUnit targetCU = ASTResolving.findCompilationUnitForBinding(cu, astRoot, annotBinding);
        if (targetCU != null) {
            String label = Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_UnresolvedElementsSubProcessor_createattribute_description, BasicElementLabels.getJavaElementName(memberName));
            Image image = JavaPluginImages.get(JavaPluginImages.IMG_MISC_PUBLIC);
            proposals.add(new NewAnnotationMemberProposal(label, targetCU, selectedNode, annotBinding, IProposalRelevance.CREATE_ATTRIBUTE, image));
        }
    }
}

Example 18 with IMethodBinding

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

the class UnresolvedElementsSubProcessor method addSimilarVariableProposals.

private static void addSimilarVariableProposals(ICompilationUnit cu, CompilationUnit astRoot, ITypeBinding binding, IVariableBinding resolvedField, SimpleName node, boolean isWriteAccess, Collection<ICommandAccess> proposals) {
    int kind = ScopeAnalyzer.VARIABLES | ScopeAnalyzer.CHECK_VISIBILITY;
    if (!isWriteAccess) {
        // also try to find similar methods
        kind |= ScopeAnalyzer.METHODS;
    }
    IBinding[] varsAndMethodsInScope = (new ScopeAnalyzer(astRoot)).getDeclarationsInScope(node, kind);
    if (varsAndMethodsInScope.length > 0) {
        // avoid corrections like int i= i;
        String otherNameInAssign = null;
        // help with x.getString() -> y.getString()
        String methodSenderName = null;
        String fieldSenderName = null;
        ASTNode parent = node.getParent();
        switch(parent.getNodeType()) {
            case ASTNode.VARIABLE_DECLARATION_FRAGMENT:
                // node must be initializer
                otherNameInAssign = ((VariableDeclarationFragment) parent).getName().getIdentifier();
                break;
            case ASTNode.ASSIGNMENT:
                Assignment assignment = (Assignment) parent;
                if (isWriteAccess && assignment.getRightHandSide() instanceof SimpleName) {
                    otherNameInAssign = ((SimpleName) assignment.getRightHandSide()).getIdentifier();
                } else if (!isWriteAccess && assignment.getLeftHandSide() instanceof SimpleName) {
                    otherNameInAssign = ((SimpleName) assignment.getLeftHandSide()).getIdentifier();
                }
                break;
            case ASTNode.METHOD_INVOCATION:
                MethodInvocation inv = (MethodInvocation) parent;
                if (inv.getExpression() == node) {
                    methodSenderName = inv.getName().getIdentifier();
                }
                break;
            case ASTNode.QUALIFIED_NAME:
                QualifiedName qualName = (QualifiedName) parent;
                if (qualName.getQualifier() == node) {
                    fieldSenderName = qualName.getName().getIdentifier();
                }
                break;
        }
        ITypeBinding guessedType = ASTResolving.guessBindingForReference(node);
        //$NON-NLS-1$
        ITypeBinding objectBinding = astRoot.getAST().resolveWellKnownType("java.lang.Object");
        String identifier = node.getIdentifier();
        boolean isInStaticContext = ASTResolving.isInStaticContext(node);
        ArrayList<CUCorrectionProposal> newProposals = new ArrayList<CUCorrectionProposal>(51);
        loop: for (int i = 0; i < varsAndMethodsInScope.length && newProposals.size() <= 50; i++) {
            IBinding varOrMeth = varsAndMethodsInScope[i];
            if (varOrMeth instanceof IVariableBinding) {
                IVariableBinding curr = (IVariableBinding) varOrMeth;
                String currName = curr.getName();
                if (currName.equals(otherNameInAssign)) {
                    continue loop;
                }
                if (resolvedField != null && Bindings.equals(resolvedField, curr)) {
                    continue loop;
                }
                boolean isFinal = Modifier.isFinal(curr.getModifiers());
                if (isFinal && curr.isField() && isWriteAccess) {
                    continue loop;
                }
                if (isInStaticContext && !Modifier.isStatic(curr.getModifiers()) && curr.isField()) {
                    continue loop;
                }
                int relevance = IProposalRelevance.SIMILAR_VARIABLE_PROPOSAL;
                if (NameMatcher.isSimilarName(currName, identifier)) {
                    // variable with a similar name than the unresolved variable
                    relevance += 3;
                }
                if (currName.equalsIgnoreCase(identifier)) {
                    relevance += 5;
                }
                ITypeBinding varType = curr.getType();
                if (varType != null) {
                    if (guessedType != null && guessedType != objectBinding) {
                        // variable type is compatible with the guessed type
                        if (!isWriteAccess && canAssign(varType, guessedType) || isWriteAccess && canAssign(guessedType, varType)) {
                            // unresolved variable can be assign to this variable
                            relevance += 2;
                        }
                    }
                    if (methodSenderName != null && hasMethodWithName(varType, methodSenderName)) {
                        relevance += 2;
                    }
                    if (fieldSenderName != null && hasFieldWithName(varType, fieldSenderName)) {
                        relevance += 2;
                    }
                }
                if (relevance > 0) {
                    String label = Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_changevariable_description, BasicElementLabels.getJavaElementName(currName));
                    newProposals.add(new RenameNodeCorrectionProposal(label, cu, node.getStartPosition(), node.getLength(), currName, relevance));
                }
            } else if (varOrMeth instanceof IMethodBinding) {
                IMethodBinding curr = (IMethodBinding) varOrMeth;
                if (!curr.isConstructor() && guessedType != null && canAssign(curr.getReturnType(), guessedType)) {
                    if (NameMatcher.isSimilarName(curr.getName(), identifier)) {
                        AST ast = astRoot.getAST();
                        ASTRewrite rewrite = ASTRewrite.create(ast);
                        String label = Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_changetomethod_description, ASTResolving.getMethodSignature(curr));
                        Image image = JavaPluginImages.get(JavaPluginImages.IMG_CORRECTION_CHANGE);
                        LinkedCorrectionProposal proposal = new LinkedCorrectionProposal(label, cu, rewrite, IProposalRelevance.CHANGE_TO_METHOD, image);
                        newProposals.add(proposal);
                        MethodInvocation newInv = ast.newMethodInvocation();
                        newInv.setName(ast.newSimpleName(curr.getName()));
                        ITypeBinding[] parameterTypes = curr.getParameterTypes();
                        for (int k = 0; k < parameterTypes.length; k++) {
                            ASTNode arg = ASTNodeFactory.newDefaultExpression(ast, parameterTypes[k]);
                            newInv.arguments().add(arg);
                            proposal.addLinkedPosition(rewrite.track(arg), false, null);
                        }
                        rewrite.replace(node, newInv, null);
                    }
                }
            }
        }
        if (newProposals.size() <= 50)
            proposals.addAll(newProposals);
    }
    if (binding != null && binding.isArray()) {
        //$NON-NLS-1$
        String idLength = "length";
        String label = Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_changevariable_description, idLength);
        proposals.add(new RenameNodeCorrectionProposal(label, cu, node.getStartPosition(), node.getLength(), idLength, IProposalRelevance.CHANGE_VARIABLE));
    }
}

Example 19 with IMethodBinding

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

the class IntroduceFactoryRefactoring method getUnimplementedMethods.

private IMethodBinding[] getUnimplementedMethods(ITypeBinding binding) {
    IMethodBinding[] unimplementedMethods = StubUtility2.getUnimplementedMethods(binding, true);
    Arrays.sort(unimplementedMethods, new MethodsSourcePositionComparator(binding));
    return unimplementedMethods;
}

Example 20 with IMethodBinding

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

the class ExtractMethodRefactoring method getRefactoringDescriptor.

private ExtractMethodDescriptor getRefactoringDescriptor() {
    final Map<String, String> arguments = new HashMap<String, String>();
    String project = null;
    IJavaProject javaProject = fCUnit.getJavaProject();
    if (javaProject != null)
        project = javaProject.getElementName();
    ITypeBinding type = null;
    if (fDestination instanceof AbstractTypeDeclaration) {
        final AbstractTypeDeclaration decl = (AbstractTypeDeclaration) fDestination;
        type = decl.resolveBinding();
    } else if (fDestination instanceof AnonymousClassDeclaration) {
        final AnonymousClassDeclaration decl = (AnonymousClassDeclaration) fDestination;
        type = decl.resolveBinding();
    }
    IMethodBinding method = null;
    final BodyDeclaration enclosing = fAnalyzer.getEnclosingBodyDeclaration();
    if (enclosing instanceof MethodDeclaration) {
        final MethodDeclaration node = (MethodDeclaration) enclosing;
        method = node.resolveBinding();
    }
    final int flags = RefactoringDescriptor.STRUCTURAL_CHANGE | JavaRefactoringDescriptor.JAR_REFACTORING | JavaRefactoringDescriptor.JAR_SOURCE_ATTACHMENT;
    final String description = Messages.format(RefactoringCoreMessages.ExtractMethodRefactoring_descriptor_description_short, BasicElementLabels.getJavaElementName(fMethodName));
    final String label = method != null ? BindingLabelProvider.getBindingLabel(method, JavaElementLabels.ALL_FULLY_QUALIFIED) : '{' + JavaElementLabels.ELLIPSIS_STRING + '}';
    final String header = Messages.format(RefactoringCoreMessages.ExtractMethodRefactoring_descriptor_description, new String[] { BasicElementLabels.getJavaElementName(getSignature()), label, BindingLabelProvider.getBindingLabel(type, JavaElementLabels.ALL_FULLY_QUALIFIED) });
    final JDTRefactoringDescriptorComment comment = new JDTRefactoringDescriptorComment(project, this, header);
    comment.addSetting(Messages.format(RefactoringCoreMessages.ExtractMethodRefactoring_name_pattern, BasicElementLabels.getJavaElementName(fMethodName)));
    comment.addSetting(Messages.format(RefactoringCoreMessages.ExtractMethodRefactoring_destination_pattern, BindingLabelProvider.getBindingLabel(type, JavaElementLabels.ALL_FULLY_QUALIFIED)));
    String visibility = JdtFlags.getVisibilityString(fVisibility);
    if (//$NON-NLS-1$
    "".equals(visibility))
        visibility = RefactoringCoreMessages.ExtractMethodRefactoring_default_visibility;
    comment.addSetting(Messages.format(RefactoringCoreMessages.ExtractMethodRefactoring_visibility_pattern, visibility));
    if (fThrowRuntimeExceptions)
        comment.addSetting(RefactoringCoreMessages.ExtractMethodRefactoring_declare_thrown_exceptions);
    if (fReplaceDuplicates)
        comment.addSetting(RefactoringCoreMessages.ExtractMethodRefactoring_replace_occurrences);
    if (fGenerateJavadoc)
        comment.addSetting(RefactoringCoreMessages.ExtractMethodRefactoring_generate_comment);
    final ExtractMethodDescriptor descriptor = RefactoringSignatureDescriptorFactory.createExtractMethodDescriptor(project, description, comment.asString(), arguments, flags);
    arguments.put(JavaRefactoringDescriptorUtil.ATTRIBUTE_INPUT, JavaRefactoringDescriptorUtil.elementToHandle(project, fCUnit));
    arguments.put(JavaRefactoringDescriptorUtil.ATTRIBUTE_NAME, fMethodName);
    //$NON-NLS-1$
    arguments.put(JavaRefactoringDescriptorUtil.ATTRIBUTE_SELECTION, new Integer(fSelectionStart).toString() + " " + new Integer(fSelectionLength).toString());
    arguments.put(ATTRIBUTE_VISIBILITY, new Integer(fVisibility).toString());
    arguments.put(ATTRIBUTE_DESTINATION, new Integer(fDestinationIndex).toString());
    arguments.put(ATTRIBUTE_EXCEPTIONS, Boolean.valueOf(fThrowRuntimeExceptions).toString());
    arguments.put(ATTRIBUTE_COMMENTS, Boolean.valueOf(fGenerateJavadoc).toString());
    arguments.put(ATTRIBUTE_REPLACE, Boolean.valueOf(fReplaceDuplicates).toString());
    return descriptor;
}