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

Example 1 with SearchRequestor

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

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

the class RefactoringSearchEngine method findAffectedCompilationUnits.

//TODO: throw CoreException
public static ICompilationUnit[] findAffectedCompilationUnits(SearchPattern pattern, IJavaSearchScope scope, final IProgressMonitor pm, RefactoringStatus status, final boolean tolerateInAccurateMatches) throws JavaModelException {
    boolean hasNonCuMatches = false;
    class ResourceSearchRequestor extends SearchRequestor {

        boolean hasPotentialMatches = false;

        Set<IResource> resources = new HashSet<IResource>(5);

        private IResource fLastResource;

        @Override
        public void acceptSearchMatch(SearchMatch match) {
            if (!tolerateInAccurateMatches && match.getAccuracy() == SearchMatch.A_INACCURATE) {
                hasPotentialMatches = true;
            }
            if (fLastResource != match.getResource()) {
                fLastResource = match.getResource();
                resources.add(fLastResource);
            }
        }
    }
    ResourceSearchRequestor requestor = new ResourceSearchRequestor();
    try {
        new SearchEngine().search(pattern, SearchUtils.getDefaultSearchParticipants(), scope, requestor, pm);
    } catch (CoreException e) {
        throw new JavaModelException(e);
    }
    List<IJavaElement> result = new ArrayList<IJavaElement>(requestor.resources.size());
    for (Iterator<IResource> iter = requestor.resources.iterator(); iter.hasNext(); ) {
        IResource resource = iter.next();
        IJavaElement element = JavaCore.create(resource);
        if (element instanceof ICompilationUnit) {
            result.add(element);
        } else {
            hasNonCuMatches = true;
        }
    }
    addStatusErrors(status, requestor.hasPotentialMatches, hasNonCuMatches);
    return result.toArray(new ICompilationUnit[result.size()]);
}

Example 3 with SearchRequestor

use of org.eclipse.jdt.core.search.SearchRequestor in project AutoRefactor by JnRouvignac.

the class SuperCallRatherThanUselessOverridingRefactoring method isMethodUsedInItsPackage.

/** This method is extremely expensive. */
@OnEclipseVersionUpgrade("Replace monitor.newChild(1) by monitor.split(1)")
private boolean isMethodUsedInItsPackage(IMethodBinding methodBinding, MethodDeclaration node) {
    final IPackageBinding methodPackage = methodBinding.getDeclaringClass().getPackage();
    final AtomicBoolean methodIsUsedInPackage = new AtomicBoolean(false);
    final SearchRequestor requestor = new SearchRequestor() {

        @Override
        public void acceptSearchMatch(SearchMatch match) {
            methodIsUsedInPackage.set(true);
        }
    };
    final SubMonitor subMonitor = SubMonitor.convert(ctx.getProgressMonitor(), 1);
    final SubMonitor childMonitor = subMonitor.newChild(1);
    try {
        final SearchEngine searchEngine = new SearchEngine();
        searchEngine.search(createPattern(methodBinding.getJavaElement(), REFERENCES, R_EXACT_MATCH), new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() }, SearchEngine.createJavaSearchScope(new IJavaElement[] { methodPackage.getJavaElement() }), requestor, childMonitor);
        return methodIsUsedInPackage.get();
    } catch (CoreException e) {
        throw new UnhandledException(node, e);
    } finally {
        childMonitor.done();
    }
}

Example 4 with SearchRequestor

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

the class RenameMethodProcessor method searchForOuterTypesOfReferences.

private IType[] searchForOuterTypesOfReferences(IMethod[] newNameMethods, IProgressMonitor pm) throws CoreException {
    final Set<IType> outerTypesOfReferences = new HashSet<IType>();
    SearchPattern pattern = RefactoringSearchEngine.createOrPattern(newNameMethods, IJavaSearchConstants.REFERENCES);
    IJavaSearchScope scope = createRefactoringScope(getMethod());
    SearchRequestor requestor = new SearchRequestor() {

        @Override
        public void acceptSearchMatch(SearchMatch match) throws CoreException {
            Object element = match.getElement();
            if (!(element instanceof IMember))
                // e.g. an IImportDeclaration for a static method import
                return;
            IMember member = (IMember) element;
            IType declaring = member.getDeclaringType();
            if (declaring == null)
                return;
            IType outer = declaring.getDeclaringType();
            if (outer != null)
                outerTypesOfReferences.add(declaring);
        }
    };
    new SearchEngine().search(pattern, SearchUtils.getDefaultSearchParticipants(), scope, requestor, pm);
    return outerTypesOfReferences.toArray(new IType[outerTypesOfReferences.size()]);
}

Example 5 with SearchRequestor

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

the class RippleMethodFinder2 method findAllDeclarations.

private void findAllDeclarations(IProgressMonitor monitor, WorkingCopyOwner owner) throws CoreException {
    fDeclarations = new ArrayList<IMethod>();
    class MethodRequestor extends SearchRequestor {

        @Override
        public void acceptSearchMatch(SearchMatch match) throws CoreException {
            IMethod method = (IMethod) match.getElement();
            boolean isBinary = method.isBinary();
            if (fBinaryRefs != null || !(fExcludeBinaries && isBinary)) {
                fDeclarations.add(method);
            }
            if (isBinary && fBinaryRefs != null) {
                fDeclarationToMatch.put(method, match);
            }
        }
    }
    int limitTo = IJavaSearchConstants.DECLARATIONS | IJavaSearchConstants.IGNORE_DECLARING_TYPE | IJavaSearchConstants.IGNORE_RETURN_TYPE;
    int matchRule = SearchPattern.R_ERASURE_MATCH | SearchPattern.R_CASE_SENSITIVE;
    SearchPattern pattern = SearchPattern.createPattern(fMethod, limitTo, matchRule);
    SearchParticipant[] participants = SearchUtils.getDefaultSearchParticipants();
    IJavaSearchScope scope = RefactoringScopeFactory.createRelatedProjectsScope(fMethod.getJavaProject(), IJavaSearchScope.SOURCES | IJavaSearchScope.APPLICATION_LIBRARIES | IJavaSearchScope.SYSTEM_LIBRARIES);
    MethodRequestor requestor = new MethodRequestor();
    SearchEngine searchEngine = owner != null ? new SearchEngine(owner) : new SearchEngine();
    searchEngine.search(pattern, participants, scope, requestor, monitor);
}