Examples with OperationCanceledException org.eclipse.core.runtime.OperationCanceledException used on opensource projects

Example 11 with OperationCanceledException

use of org.eclipse.core.runtime.OperationCanceledException in project flux by eclipse.

the class ASTProvider method createAST.

private static CompilationUnit createAST(final ITypeRoot input, final IProgressMonitor progressMonitor) {
    if (progressMonitor != null && progressMonitor.isCanceled())
        return null;
    final ASTParser parser = ASTParser.newParser(SHARED_AST_LEVEL);
    parser.setResolveBindings(true);
    parser.setStatementsRecovery(SHARED_AST_STATEMENT_RECOVERY);
    parser.setBindingsRecovery(SHARED_BINDING_RECOVERY);
    parser.setSource(input);
    if (progressMonitor != null && progressMonitor.isCanceled())
        return null;
    final CompilationUnit[] root = new CompilationUnit[1];
    SafeRunner.run(new ISafeRunnable() {

        public void run() {
            try {
                if (progressMonitor != null && progressMonitor.isCanceled())
                    return;
                root[0] = (CompilationUnit) parser.createAST(progressMonitor);
                //mark as unmodifiable
                ASTNodes.setFlagsToAST(root[0], ASTNode.PROTECT);
            } catch (OperationCanceledException ex) {
                return;
            }
        }

        public void handleException(Throwable ex) {
            //$NON-NLS-1$
            IStatus status = new Status(IStatus.ERROR, JavaPlugin.getPluginId(), IStatus.OK, "Error in JDT Core during AST creation", ex);
            JavaPlugin.getDefault().getLog().log(status);
        }
    });
    return root[0];
}

Example 12 with OperationCanceledException

use of org.eclipse.core.runtime.OperationCanceledException in project che by eclipse.

the class OrganizeImportsOperation method createTextEdit.

public TextEdit createTextEdit(IProgressMonitor monitor) throws CoreException, OperationCanceledException {
    if (monitor == null) {
        monitor = new NullProgressMonitor();
    }
    try {
        fNumberOfImportsAdded = 0;
        fNumberOfImportsRemoved = 0;
        monitor.beginTask(Messages.format(CodeGenerationMessages.OrganizeImportsOperation_description, BasicElementLabels.getFileName(fCompilationUnit)), 9);
        CompilationUnit astRoot = fASTRoot;
        if (astRoot == null) {
            astRoot = SharedASTProvider.getAST(fCompilationUnit, SharedASTProvider.WAIT_YES, new SubProgressMonitor(monitor, 2));
            if (monitor.isCanceled())
                throw new OperationCanceledException();
        } else {
            monitor.worked(2);
        }
        ImportRewrite importsRewrite = StubUtility.createImportRewrite(astRoot, false);
        Set<String> oldSingleImports = new HashSet<>();
        Set<String> oldDemandImports = new HashSet<>();
        List<SimpleName> typeReferences = new ArrayList<>();
        List<SimpleName> staticReferences = new ArrayList<>();
        if (!collectReferences(astRoot, typeReferences, staticReferences, oldSingleImports, oldDemandImports))
            return null;
        monitor.worked(1);
        processor = new TypeReferenceProcessor(oldSingleImports, oldDemandImports, astRoot, importsRewrite, fIgnoreLowerCaseNames);
        Iterator<SimpleName> refIterator = typeReferences.iterator();
        while (refIterator.hasNext()) {
            SimpleName typeRef = refIterator.next();
            processor.add(typeRef);
        }
        hasOpenChoices = processor.process(new SubProgressMonitor(monitor, 3));
        addStaticImports(staticReferences, importsRewrite);
        if (hasOpenChoices) {
            choices = processor.getChoices();
            ISourceRange[] ranges = processor.getChoicesSourceRanges();
            if (fChooseImportQuery != null) {
                TypeNameMatch[] chosen = fChooseImportQuery.chooseImports(choices, ranges);
                for (int i = 0; i < chosen.length; i++) {
                    TypeNameMatch typeInfo = chosen[i];
                    importsRewrite.addImport(typeInfo.getFullyQualifiedName());
                }
            } else if (chosenFQN != null) {
                chosenFQN.forEach(importsRewrite::addImport);
            }
        }
        TextEdit result = importsRewrite.rewriteImports(new SubProgressMonitor(monitor, 3));
        determineImportDifferences(importsRewrite, oldSingleImports, oldDemandImports);
        return result;
    } finally {
        monitor.done();
    }
}

Example 13 with OperationCanceledException

use of org.eclipse.core.runtime.OperationCanceledException in project che by eclipse.

the class AddImportsOperation method evaluateEdits.

private TextEdit evaluateEdits(CompilationUnit root, ImportRewrite importRewrite, int offset, int length, IProgressMonitor monitor) throws JavaModelException {
    SimpleName nameNode = null;
    if (root != null) {
        // got an AST
        ASTNode node = NodeFinder.perform(root, offset, length);
        if (node instanceof MarkerAnnotation) {
            node = ((Annotation) node).getTypeName();
        }
        if (node instanceof QualifiedName) {
            nameNode = ((QualifiedName) node).getName();
        } else if (node instanceof SimpleName) {
            nameNode = (SimpleName) node;
        }
    }
    String name, simpleName, containerName;
    int qualifierStart;
    int simpleNameStart;
    if (nameNode != null) {
        simpleName = nameNode.getIdentifier();
        simpleNameStart = nameNode.getStartPosition();
        if (nameNode.getLocationInParent() == QualifiedName.NAME_PROPERTY) {
            Name qualifier = ((QualifiedName) nameNode.getParent()).getQualifier();
            containerName = qualifier.getFullyQualifiedName();
            name = JavaModelUtil.concatenateName(containerName, simpleName);
            qualifierStart = qualifier.getStartPosition();
        } else if (nameNode.getLocationInParent() == NameQualifiedType.NAME_PROPERTY) {
            NameQualifiedType nameQualifiedType = (NameQualifiedType) nameNode.getParent();
            Name qualifier = nameQualifiedType.getQualifier();
            containerName = qualifier.getFullyQualifiedName();
            name = JavaModelUtil.concatenateName(containerName, simpleName);
            qualifierStart = qualifier.getStartPosition();
            List<Annotation> annotations = nameQualifiedType.annotations();
            if (!annotations.isEmpty()) {
                // don't remove annotations
                simpleNameStart = annotations.get(0).getStartPosition();
            }
        } else if (nameNode.getLocationInParent() == MethodInvocation.NAME_PROPERTY) {
            ASTNode qualifier = ((MethodInvocation) nameNode.getParent()).getExpression();
            if (qualifier instanceof Name) {
                containerName = ASTNodes.asString(qualifier);
                name = JavaModelUtil.concatenateName(containerName, simpleName);
                qualifierStart = qualifier.getStartPosition();
            } else {
                return null;
            }
        } else {
            //$NON-NLS-1$
            containerName = "";
            name = simpleName;
            qualifierStart = simpleNameStart;
        }
        IBinding binding = nameNode.resolveBinding();
        if (binding != null && !binding.isRecovered()) {
            if (binding instanceof ITypeBinding) {
                ITypeBinding typeBinding = ((ITypeBinding) binding).getTypeDeclaration();
                String qualifiedBindingName = typeBinding.getQualifiedName();
                if (containerName.length() > 0 && !qualifiedBindingName.equals(name)) {
                    return null;
                }
                ImportRewriteContext context = new ContextSensitiveImportRewriteContext(root, qualifierStart, importRewrite);
                String res = importRewrite.addImport(typeBinding, context);
                if (containerName.length() > 0 && !res.equals(simpleName)) {
                    // adding import failed
                    fStatus = JavaUIStatus.createError(IStatus.ERROR, CodeGenerationMessages.AddImportsOperation_error_importclash, null);
                    return null;
                }
                if (containerName.length() == 0 && res.equals(simpleName)) {
                    // no change necessary
                    return null;
                }
                return new ReplaceEdit(qualifierStart, simpleNameStart - qualifierStart, new String());
            } else if (JavaModelUtil.is50OrHigher(fCompilationUnit.getJavaProject()) && (binding instanceof IVariableBinding || binding instanceof IMethodBinding)) {
                boolean isField = binding instanceof IVariableBinding;
                ITypeBinding declaringClass = isField ? ((IVariableBinding) binding).getDeclaringClass() : ((IMethodBinding) binding).getDeclaringClass();
                if (declaringClass == null) {
                    // variableBinding.getDeclaringClass() is null for array.length
                    return null;
                }
                if (Modifier.isStatic(binding.getModifiers())) {
                    if (containerName.length() > 0) {
                        if (containerName.equals(declaringClass.getName()) || containerName.equals(declaringClass.getQualifiedName())) {
                            ASTNode node = nameNode.getParent();
                            boolean isDirectlyAccessible = false;
                            while (node != null) {
                                if (isTypeDeclarationSubTypeCompatible(node, declaringClass)) {
                                    isDirectlyAccessible = true;
                                    break;
                                }
                                node = node.getParent();
                            }
                            if (!isDirectlyAccessible) {
                                if (Modifier.isPrivate(declaringClass.getModifiers())) {
                                    fStatus = JavaUIStatus.createError(IStatus.ERROR, Messages.format(CodeGenerationMessages.AddImportsOperation_error_not_visible_class, BasicElementLabels.getJavaElementName(declaringClass.getName())), null);
                                    return null;
                                }
                                String res = importRewrite.addStaticImport(declaringClass.getQualifiedName(), binding.getName(), isField);
                                if (!res.equals(simpleName)) {
                                    // adding import failed
                                    return null;
                                }
                            }
                            //$NON-NLS-1$
                            return new ReplaceEdit(qualifierStart, simpleNameStart - qualifierStart, "");
                        }
                    }
                }
                // no static imports for packages
                return null;
            } else {
                return null;
            }
        }
        if (binding != null && binding.getKind() != IBinding.TYPE) {
            // recovered binding
            return null;
        }
    } else {
        IBuffer buffer = fCompilationUnit.getBuffer();
        qualifierStart = getNameStart(buffer, offset);
        int nameEnd = getNameEnd(buffer, offset + length);
        int len = nameEnd - qualifierStart;
        name = buffer.getText(qualifierStart, len).trim();
        if (name.length() == 0) {
            return null;
        }
        simpleName = Signature.getSimpleName(name);
        containerName = Signature.getQualifier(name);
        IJavaProject javaProject = fCompilationUnit.getJavaProject();
        if (simpleName.length() == 0 || JavaConventionsUtil.validateJavaTypeName(simpleName, javaProject).matches(IStatus.ERROR) || (containerName.length() > 0 && JavaConventionsUtil.validateJavaTypeName(containerName, javaProject).matches(IStatus.ERROR))) {
            fStatus = JavaUIStatus.createError(IStatus.ERROR, CodeGenerationMessages.AddImportsOperation_error_invalid_selection, null);
            return null;
        }
        simpleNameStart = getSimpleNameStart(buffer, qualifierStart, containerName);
        int res = importRewrite.getDefaultImportRewriteContext().findInContext(containerName, simpleName, ImportRewriteContext.KIND_TYPE);
        if (res == ImportRewriteContext.RES_NAME_CONFLICT) {
            fStatus = JavaUIStatus.createError(IStatus.ERROR, CodeGenerationMessages.AddImportsOperation_error_importclash, null);
            return null;
        } else if (res == ImportRewriteContext.RES_NAME_FOUND) {
            //$NON-NLS-1$
            return new ReplaceEdit(qualifierStart, simpleNameStart - qualifierStart, "");
        }
    }
    IJavaSearchScope searchScope = SearchEngine.createJavaSearchScope(new IJavaElement[] { fCompilationUnit.getJavaProject() });
    TypeNameMatch[] types = findAllTypes(simpleName, searchScope, nameNode, new SubProgressMonitor(monitor, 1));
    if (types.length == 0) {
        fStatus = JavaUIStatus.createError(IStatus.ERROR, Messages.format(CodeGenerationMessages.AddImportsOperation_error_notresolved_message, BasicElementLabels.getJavaElementName(simpleName)), null);
        return null;
    }
    if (monitor.isCanceled()) {
        throw new OperationCanceledException();
    }
    TypeNameMatch chosen;
    if (types.length > 1 && fQuery != null) {
        chosen = fQuery.chooseImport(types, containerName);
        if (chosen == null) {
            throw new OperationCanceledException();
        }
    } else {
        chosen = types[0];
    }
    ImportRewriteContext context = root == null ? null : new ContextSensitiveImportRewriteContext(root, simpleNameStart, importRewrite);
    importRewrite.addImport(chosen.getFullyQualifiedName(), context);
    //$NON-NLS-1$
    return new ReplaceEdit(qualifierStart, simpleNameStart - qualifierStart, "");
}

Example 14 with OperationCanceledException

use of org.eclipse.core.runtime.OperationCanceledException in project che by eclipse.

the class RenameMethodProcessor method addOccurrences.

/**
	 * Add occurrences
	 *
	 * @param manager the text change manager
	 * @param pm the progress monitor
	 * @param status the status
	 * @throws CoreException if change creation failed
	 */
protected void addOccurrences(TextChangeManager manager, IProgressMonitor pm, RefactoringStatus status) throws CoreException /*thrown in subtype*/
{
    //$NON-NLS-1$
    pm.beginTask("", fOccurrences.length);
    for (int i = 0; i < fOccurrences.length; i++) {
        ICompilationUnit cu = fOccurrences[i].getCompilationUnit();
        if (cu == null)
            continue;
        SearchMatch[] results = fOccurrences[i].getSearchResults();
        // Split matches into declaration and non-declaration matches
        List<SearchMatch> declarationsInThisCu = new ArrayList<SearchMatch>();
        List<SearchMatch> referencesInThisCu = new ArrayList<SearchMatch>();
        for (int j = 0; j < results.length; j++) {
            if (results[j] instanceof MethodDeclarationMatch)
                declarationsInThisCu.add(results[j]);
            else
                referencesInThisCu.add(results[j]);
        }
        // First, handle the declarations
        if (declarationsInThisCu.size() > 0) {
            if (fDelegateUpdating) {
                // Update with delegates
                CompilationUnitRewrite rewrite = new CompilationUnitRewrite(cu);
                rewrite.setResolveBindings(true);
                for (Iterator<SearchMatch> iter = declarationsInThisCu.iterator(); iter.hasNext(); ) {
                    SearchMatch element = iter.next();
                    MethodDeclaration method = ASTNodeSearchUtil.getMethodDeclarationNode((IMethod) element.getElement(), rewrite.getRoot());
                    DelegateCreator creator = new DelegateMethodCreator();
                    creator.setDeclareDeprecated(fDelegateDeprecation);
                    creator.setDeclaration(method);
                    creator.setSourceRewrite(rewrite);
                    creator.setNewElementName(getNewElementName());
                    creator.prepareDelegate();
                    creator.createEdit();
                }
                // Need to handle all delegates first as this
                // creates a completely new change object.
                TextChange changeForThisCu = rewrite.createChange(true);
                changeForThisCu.setKeepPreviewEdits(true);
                manager.manage(cu, changeForThisCu);
            }
            // Update the normal methods
            for (Iterator<SearchMatch> iter = declarationsInThisCu.iterator(); iter.hasNext(); ) {
                SearchMatch element = iter.next();
                simpleUpdate(element, cu, manager.get(cu));
            }
        }
        // Second, handle references
        if (fUpdateReferences) {
            for (Iterator<SearchMatch> iter = referencesInThisCu.iterator(); iter.hasNext(); ) {
                SearchMatch element = iter.next();
                simpleUpdate(element, cu, manager.get(cu));
            }
        }
        pm.worked(1);
        if (pm.isCanceled())
            throw new OperationCanceledException();
    }
    pm.done();
}

Example 15 with OperationCanceledException

use of org.eclipse.core.runtime.OperationCanceledException in project che by eclipse.

the class RenameTypeProcessor method initializeSimilarElementsRenameProcessors.

// --------- Similar names
/**
	 * Creates and initializes the refactoring processors for similarly named elements
	 * @param progressMonitor progress monitor
	 * @param context context
	 * @return status
	 * @throws CoreException should not happen
	 */
private RefactoringStatus initializeSimilarElementsRenameProcessors(IProgressMonitor progressMonitor, CheckConditionsContext context) throws CoreException {
    Assert.isNotNull(fPreloadedElementToName);
    Assert.isNotNull(fPreloadedElementToSelection);
    final RefactoringStatus status = new RefactoringStatus();
    final Set<IMethod> handledTopLevelMethods = new HashSet<IMethod>();
    final Set<Warning> warnings = new HashSet<Warning>();
    final List<RefactoringProcessor> processors = new ArrayList<RefactoringProcessor>();
    fFinalSimilarElementToName = new HashMap<IJavaElement, String>();
    CompilationUnit currentResolvedCU = null;
    ICompilationUnit currentCU = null;
    int current = 0;
    final int max = fPreloadedElementToName.size();
    //$NON-NLS-1$
    progressMonitor.beginTask("", max * 3);
    progressMonitor.setTaskName(RefactoringCoreMessages.RenameTypeProcessor_checking_similarly_named_declarations_refactoring_conditions);
    for (Iterator<IJavaElement> iter = fPreloadedElementToName.keySet().iterator(); iter.hasNext(); ) {
        final IJavaElement element = iter.next();
        current++;
        progressMonitor.worked(3);
        // not selected? -> skip
        if (!(fPreloadedElementToSelection.get(element)).booleanValue())
            continue;
        // already registered? (may happen with overridden methods) -> skip
        if (fFinalSimilarElementToName.containsKey(element))
            continue;
        // CompilationUnit changed? (note: fPreloadedElementToName is sorted by CompilationUnit)
        ICompilationUnit newCU = (ICompilationUnit) element.getAncestor(IJavaElement.COMPILATION_UNIT);
        if (!newCU.equals(currentCU)) {
            checkCUCompleteConditions(status, currentResolvedCU, currentCU, processors);
            if (status.hasFatalError())
                return status;
            // reset values
            currentResolvedCU = null;
            currentCU = newCU;
            processors.clear();
        }
        final String newName = fPreloadedElementToName.get(element);
        RefactoringProcessor processor = null;
        if (element instanceof ILocalVariable) {
            final ILocalVariable currentLocal = (ILocalVariable) element;
            if (currentResolvedCU == null)
                currentResolvedCU = new RefactoringASTParser(ASTProvider.SHARED_AST_LEVEL).parse(currentCU, true);
            processor = createLocalRenameProcessor(currentLocal, newName, currentResolvedCU);
            if (status.hasFatalError())
                return status;
            fFinalSimilarElementToName.put(currentLocal, newName);
        }
        if (element instanceof IField) {
            final IField currentField = (IField) element;
            processor = createFieldRenameProcessor(currentField, newName);
            status.merge(checkForConflictingRename(currentField, newName));
            if (status.hasFatalError())
                return status;
            fFinalSimilarElementToName.put(currentField, newName);
        }
        if (element instanceof IMethod) {
            IMethod currentMethod = (IMethod) element;
            if (MethodChecks.isVirtual(currentMethod)) {
                final IType declaringType = currentMethod.getDeclaringType();
                ITypeHierarchy hierarchy = null;
                if (!declaringType.isInterface())
                    hierarchy = declaringType.newTypeHierarchy(new NullProgressMonitor());
                final IMethod topmost = MethodChecks.getTopmostMethod(currentMethod, hierarchy, new NullProgressMonitor());
                if (topmost != null)
                    currentMethod = topmost;
                if (handledTopLevelMethods.contains(currentMethod))
                    continue;
                handledTopLevelMethods.add(currentMethod);
                final IMethod[] ripples = RippleMethodFinder2.getRelatedMethods(currentMethod, new NullProgressMonitor(), null);
                if (checkForWarnings(warnings, newName, ripples))
                    continue;
                status.merge(checkForConflictingRename(ripples, newName));
                if (status.hasFatalError())
                    return status;
                processor = createVirtualMethodRenameProcessor(currentMethod, newName, ripples, hierarchy);
                fFinalSimilarElementToName.put(currentMethod, newName);
                for (int i = 0; i < ripples.length; i++) {
                    fFinalSimilarElementToName.put(ripples[i], newName);
                }
            } else {
                status.merge(checkForConflictingRename(new IMethod[] { currentMethod }, newName));
                if (status.hasFatalError())
                    break;
                fFinalSimilarElementToName.put(currentMethod, newName);
                processor = createNonVirtualMethodRenameProcessor(currentMethod, newName);
            }
        }
        progressMonitor.subTask(Messages.format(RefactoringCoreMessages.RenameTypeProcessor_progress_current_total, new Object[] { String.valueOf(current), String.valueOf(max) }));
        status.merge(processor.checkInitialConditions(new NoOverrideProgressMonitor(progressMonitor, 1)));
        if (status.hasFatalError())
            return status;
        status.merge(processor.checkFinalConditions(new NoOverrideProgressMonitor(progressMonitor, 1), context));
        if (status.hasFatalError())
            return status;
        processors.add(processor);
        progressMonitor.worked(1);
        if (progressMonitor.isCanceled())
            throw new OperationCanceledException();
    }
    // check last CU
    checkCUCompleteConditions(status, currentResolvedCU, currentCU, processors);
    status.merge(addWarnings(warnings));
    progressMonitor.done();
    return status;
}