Examples with MoveInstanceMethodProcessor org.eclipse.jdt.internal.corext.refactoring.structure.MoveInstanceMethodProcessor used on opensource projects

Example 1 with MoveInstanceMethodProcessor

use of org.eclipse.jdt.internal.corext.refactoring.structure.MoveInstanceMethodProcessor in project eclipse.jdt.ls by eclipse.

the class MoveHandler method getInstanceMethodDestinations.

private static MoveDestinationsResponse getInstanceMethodDestinations(CodeActionParams params) {
    final ICompilationUnit unit = JDTUtils.resolveCompilationUnit(params.getTextDocument().getUri());
    if (unit == null) {
        return new MoveDestinationsResponse("Cannot find the compilation unit associated with " + params.getTextDocument().getUri());
    }
    MethodDeclaration methodDeclaration = getSelectedMethodDeclaration(unit, params);
    if (methodDeclaration == null) {
        return new MoveDestinationsResponse("The selected element is not a method.");
    }
    IMethodBinding methodBinding = methodDeclaration.resolveBinding();
    if (methodBinding == null || !(methodBinding.getJavaElement() instanceof IMethod)) {
        return new MoveDestinationsResponse("The selected element is not a method.");
    }
    IMethod method = (IMethod) methodBinding.getJavaElement();
    MoveInstanceMethodProcessor processor = new MoveInstanceMethodProcessor(method, PreferenceManager.getCodeGenerationSettings(unit));
    Refactoring refactoring = new MoveRefactoring(processor);
    CheckConditionsOperation check = new CheckConditionsOperation(refactoring, CheckConditionsOperation.INITIAL_CONDITONS);
    try {
        check.run(new NullProgressMonitor());
        if (check.getStatus().hasFatalError()) {
            return new MoveDestinationsResponse(check.getStatus().getMessageMatchingSeverity(RefactoringStatus.FATAL));
        }
        IVariableBinding[] possibleTargets = processor.getPossibleTargets();
        LspVariableBinding[] targets = Stream.of(possibleTargets).map(target -> new LspVariableBinding(target)).toArray(LspVariableBinding[]::new);
        return new MoveDestinationsResponse(targets);
    } catch (CoreException e) {
        JavaLanguageServerPlugin.log(e);
    }
    return new MoveDestinationsResponse("Cannot find any target to move the method to.");
}

Example 2 with MoveInstanceMethodProcessor

use of org.eclipse.jdt.internal.corext.refactoring.structure.MoveInstanceMethodProcessor in project eclipse.jdt.ls by eclipse.

the class MoveHandler method moveInstanceMethod.

private static RefactorWorkspaceEdit moveInstanceMethod(CodeActionParams params, LspVariableBinding destination, IProgressMonitor monitor) {
    final ICompilationUnit unit = JDTUtils.resolveCompilationUnit(params.getTextDocument().getUri());
    if (unit == null) {
        return new RefactorWorkspaceEdit("Failed to move instance method because cannot find the compilation unit associated with " + params.getTextDocument().getUri());
    }
    MethodDeclaration methodDeclaration = getSelectedMethodDeclaration(unit, params);
    if (methodDeclaration == null || destination == null) {
        return new RefactorWorkspaceEdit("Failed to move instance method because no method is selected or no destination is specified.");
    }
    IMethodBinding methodBinding = methodDeclaration.resolveBinding();
    if (methodBinding == null || !(methodBinding.getJavaElement() instanceof IMethod)) {
        return new RefactorWorkspaceEdit("Failed to move instance method because the selected element is not a method.");
    }
    SubMonitor subMonitor = SubMonitor.convert(monitor, "Moving instance method...", 100);
    IMethod method = (IMethod) methodBinding.getJavaElement();
    MoveInstanceMethodProcessor processor = new MoveInstanceMethodProcessor(method, PreferenceManager.getCodeGenerationSettings(unit));
    Refactoring refactoring = new MoveRefactoring(processor);
    CheckConditionsOperation check = new CheckConditionsOperation(refactoring, CheckConditionsOperation.INITIAL_CONDITONS);
    try {
        check.run(subMonitor.split(20));
        if (check.getStatus().getSeverity() >= RefactoringStatus.FATAL) {
            JavaLanguageServerPlugin.logError("Failed to execute the 'move' refactoring.");
            JavaLanguageServerPlugin.logError(check.getStatus().toString());
            return new RefactorWorkspaceEdit("Failed to move instance method. Reason: " + check.getStatus().toString());
        }
        IVariableBinding[] possibleTargets = processor.getPossibleTargets();
        Optional<IVariableBinding> target = Stream.of(possibleTargets).filter(possibleTarget -> Objects.equals(possibleTarget.getKey(), destination.bindingKey)).findFirst();
        if (target.isPresent()) {
            processor.setTarget(target.get());
            processor.setDeprecateDelegates(false);
            processor.setInlineDelegator(true);
            processor.setRemoveDelegator(true);
            check = new CheckConditionsOperation(refactoring, CheckConditionsOperation.FINAL_CONDITIONS);
            check.run(subMonitor.split(60));
            if (check.getStatus().getSeverity() >= RefactoringStatus.FATAL) {
                JavaLanguageServerPlugin.logError("Failed to execute the 'move' refactoring.");
                JavaLanguageServerPlugin.logError(check.getStatus().toString());
                return new RefactorWorkspaceEdit("Failed to move instance method. Reason: " + check.getStatus().toString());
            }
            Change change = processor.createChange(subMonitor.split(20));
            return new RefactorWorkspaceEdit(ChangeUtil.convertToWorkspaceEdit(change));
        } else {
            return new RefactorWorkspaceEdit("Failed to move instance method because cannot find the target " + destination.name);
        }
    } catch (CoreException e) {
        JavaLanguageServerPlugin.log(e);
        return new RefactorWorkspaceEdit("Failed to move instance method because of " + e.toString());
    } finally {
        subMonitor.done();
    }
}