Examples with IJavaSearchScope org.eclipse.jdt.core.search.IJavaSearchScope used on opensource projects

Example 1 with IJavaSearchScope

use of org.eclipse.jdt.core.search.IJavaSearchScope 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 2 with IJavaSearchScope

use of org.eclipse.jdt.core.search.IJavaSearchScope in project che by eclipse.

the class RenameMethodProcessor method batchFindNewOccurrences.

//Lower memory footprint than batchFindNewOccurrences. Not used because it is too slow.
//Final solution is maybe to do searches in chunks of ~ 50 CUs.
//	private SearchResultGroup[] findNewOccurrences(IMethod[] newMethods, ICompilationUnit[] newDeclarationWCs, IProgressMonitor pm) throws CoreException {
//		pm.beginTask("", fOccurrences.length * 2); //$NON-NLS-1$
//
//		SearchPattern refsPattern= RefactoringSearchEngine.createOrPattern(newMethods, IJavaSearchConstants.REFERENCES);
//		SearchParticipant[] searchParticipants= SearchUtils.getDefaultSearchParticipants();
//		IJavaSearchScope scope= RefactoringScopeFactory.create(newMethods);
//		MethodOccurenceCollector requestor= new MethodOccurenceCollector(getNewElementName());
//		SearchEngine searchEngine= new SearchEngine(fWorkingCopyOwner);
//
//		//TODO: should process only references
//		for (int j= 0; j < fOccurrences.length; j++) { //should be getReferences()
//			//cut memory peak by holding only one reference CU at a time in memory
//			ICompilationUnit originalCu= fOccurrences[j].getCompilationUnit();
//			ICompilationUnit newWc= null;
//			try {
//				ICompilationUnit wc= RenameAnalyzeUtil.findWorkingCopyForCu(newDeclarationWCs, originalCu);
//				if (wc == null) {
//					newWc= RenameAnalyzeUtil.createNewWorkingCopy(originalCu, fChangeManager, fWorkingCopyOwner,
//							new SubProgressMonitor(pm, 1));
//				}
//				searchEngine.search(refsPattern, searchParticipants, scope,	requestor, new SubProgressMonitor(pm, 1));
//			} finally {
//				if (newWc != null)
//					newWc.discardWorkingCopy();
//			}
//		}
//		SearchResultGroup[] newResults= RefactoringSearchEngine.groupByResource(requestor.getResults());
//		pm.done();
//		return newResults;
//	}
private SearchResultGroup[] batchFindNewOccurrences(IMethod[] wcNewMethods, final IMethod[] wcOldMethods, ICompilationUnit[] newDeclarationWCs, IProgressMonitor pm, RefactoringStatus status) throws CoreException {
    //$NON-NLS-1$
    pm.beginTask("", 2);
    SearchPattern refsPattern = RefactoringSearchEngine.createOrPattern(wcNewMethods, IJavaSearchConstants.REFERENCES);
    SearchParticipant[] searchParticipants = SearchUtils.getDefaultSearchParticipants();
    IJavaSearchScope scope = RefactoringScopeFactory.create(wcNewMethods);
    MethodOccurenceCollector requestor;
    if (getDelegateUpdating()) {
        // There will be two new matches inside the delegate(s) (the invocation
        // and the javadoc) which are OK and must not be reported.
        // Note that except these ocurrences, the delegate bodies are empty
        // (as they were created this way).
        requestor = new MethodOccurenceCollector(getNewElementName()) {

            @Override
            public void acceptSearchMatch(ICompilationUnit unit, SearchMatch match) throws CoreException {
                for (int i = 0; i < wcOldMethods.length; i++) if (wcOldMethods[i].equals(match.getElement()))
                    return;
                super.acceptSearchMatch(unit, match);
            }
        };
    } else
        requestor = new MethodOccurenceCollector(getNewElementName());
    SearchEngine searchEngine = new SearchEngine(fWorkingCopyOwner);
    ArrayList<ICompilationUnit> needWCs = new ArrayList<ICompilationUnit>();
    HashSet<ICompilationUnit> declaringCUs = new HashSet<ICompilationUnit>(newDeclarationWCs.length);
    for (int i = 0; i < newDeclarationWCs.length; i++) declaringCUs.add(newDeclarationWCs[i].getPrimary());
    for (int i = 0; i < fOccurrences.length; i++) {
        ICompilationUnit cu = fOccurrences[i].getCompilationUnit();
        if (!declaringCUs.contains(cu))
            needWCs.add(cu);
    }
    ICompilationUnit[] otherWCs = null;
    try {
        otherWCs = RenameAnalyzeUtil.createNewWorkingCopies(needWCs.toArray(new ICompilationUnit[needWCs.size()]), fChangeManager, fWorkingCopyOwner, new SubProgressMonitor(pm, 1));
        searchEngine.search(refsPattern, searchParticipants, scope, requestor, new SubProgressMonitor(pm, 1));
    } finally {
        pm.done();
        if (otherWCs != null) {
            for (int i = 0; i < otherWCs.length; i++) {
                otherWCs[i].discardWorkingCopy();
            }
        }
    }
    SearchResultGroup[] newResults = RefactoringSearchEngine.groupByCu(requestor.getResults(), status);
    return newResults;
}

Example 3 with IJavaSearchScope

use of org.eclipse.jdt.core.search.IJavaSearchScope in project che by eclipse.

the class RenameMethodProcessor method searchForDeclarationsOfClashingMethods.

private IMethod[] searchForDeclarationsOfClashingMethods(IProgressMonitor pm) throws CoreException {
    final List<IMethod> results = new ArrayList<IMethod>();
    SearchPattern pattern = createNewMethodPattern();
    IJavaSearchScope scope = RefactoringScopeFactory.create(getMethod().getJavaProject());
    SearchRequestor requestor = new SearchRequestor() {

        @Override
        public void acceptSearchMatch(SearchMatch match) throws CoreException {
            Object method = match.getElement();
            if (// check for bug 90138: [refactoring] [rename] Renaming method throws internal exception
            method instanceof IMethod)
                results.add((IMethod) method);
            else
                //$NON-NLS-1$
                JavaPlugin.logErrorMessage("Unexpected element in search match: " + match.toString());
        }
    };
    new SearchEngine().search(pattern, SearchUtils.getDefaultSearchParticipants(), scope, requestor, pm);
    return results.toArray(new IMethod[results.size()]);
}

Example 4 with IJavaSearchScope

use of org.eclipse.jdt.core.search.IJavaSearchScope in project che by eclipse.

the class RenameFieldProcessor method checkAccessorDeclarations.

private RefactoringStatus checkAccessorDeclarations(IProgressMonitor pm, IMethod existingAccessor) throws CoreException {
    RefactoringStatus result = new RefactoringStatus();
    SearchPattern pattern = SearchPattern.createPattern(existingAccessor, IJavaSearchConstants.DECLARATIONS, SearchUtils.GENERICS_AGNOSTIC_MATCH_RULE);
    IJavaSearchScope scope = SearchEngine.createHierarchyScope(fField.getDeclaringType());
    SearchResultGroup[] groupDeclarations = RefactoringSearchEngine.search(pattern, scope, pm, result);
    Assert.isTrue(groupDeclarations.length > 0);
    if (groupDeclarations.length != 1) {
        String message = Messages.format(RefactoringCoreMessages.RenameFieldRefactoring_overridden, JavaElementUtil.createMethodSignature(existingAccessor));
        result.addError(message);
    } else {
        SearchResultGroup group = groupDeclarations[0];
        Assert.isTrue(group.getSearchResults().length > 0);
        if (group.getSearchResults().length != 1) {
            String message = Messages.format(RefactoringCoreMessages.RenameFieldRefactoring_overridden_or_overrides, JavaElementUtil.createMethodSignature(existingAccessor));
            result.addError(message);
        }
    }
    return result;
}

Example 5 with IJavaSearchScope

use of org.eclipse.jdt.core.search.IJavaSearchScope in project che by eclipse.

the class RenameFieldProcessor method getNewReferences.

private SearchResultGroup[] getNewReferences(IProgressMonitor pm, RefactoringStatus status, WorkingCopyOwner owner, ICompilationUnit[] newWorkingCopies) throws CoreException {
    //$NON-NLS-1$
    pm.beginTask("", 2);
    ICompilationUnit declaringCuWorkingCopy = RenameAnalyzeUtil.findWorkingCopyForCu(newWorkingCopies, fField.getCompilationUnit());
    if (declaringCuWorkingCopy == null)
        return new SearchResultGroup[0];
    IField field = getFieldInWorkingCopy(declaringCuWorkingCopy, getNewElementName());
    if (field == null || !field.exists())
        return new SearchResultGroup[0];
    CollectingSearchRequestor requestor = null;
    if (fDelegateUpdating && RefactoringAvailabilityTester.isDelegateCreationAvailable(getField())) {
        // There will be two new matches inside the delegate (the invocation
        // and the javadoc) which are OK and must not be reported.
        final IField oldField = getFieldInWorkingCopy(declaringCuWorkingCopy, getCurrentElementName());
        requestor = new CollectingSearchRequestor() {

            @Override
            public void acceptSearchMatch(SearchMatch match) throws CoreException {
                if (!oldField.equals(match.getElement()))
                    super.acceptSearchMatch(match);
            }
        };
    } else
        requestor = new CollectingSearchRequestor();
    SearchPattern newPattern = SearchPattern.createPattern(field, IJavaSearchConstants.REFERENCES);
    IJavaSearchScope scope = RefactoringScopeFactory.create(fField, true, true);
    return RefactoringSearchEngine.search(newPattern, owner, scope, requestor, new SubProgressMonitor(pm, 1), status);
}