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

Example 1 with SearchEngine

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

the class AddImportsOperation method findAllTypes.

/*
	 * Finds a type by the simple name.
	 */
private TypeNameMatch[] findAllTypes(String simpleTypeName, IJavaSearchScope searchScope, SimpleName nameNode, IProgressMonitor monitor) throws JavaModelException {
    boolean is50OrHigher = JavaModelUtil.is50OrHigher(fCompilationUnit.getJavaProject());
    int typeKinds = SimilarElementsRequestor.ALL_TYPES;
    if (nameNode != null) {
        typeKinds = ASTResolving.getPossibleTypeKinds(nameNode, is50OrHigher);
    }
    ArrayList<TypeNameMatch> typeInfos = new ArrayList<TypeNameMatch>();
    TypeNameMatchCollector requestor = new TypeNameMatchCollector(typeInfos);
    int matchMode = SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE;
    new SearchEngine().searchAllTypeNames(null, matchMode, simpleTypeName.toCharArray(), matchMode, getSearchForConstant(typeKinds), searchScope, requestor, IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, monitor);
    ArrayList<TypeNameMatch> typeRefsFound = new ArrayList<TypeNameMatch>(typeInfos.size());
    for (int i = 0, len = typeInfos.size(); i < len; i++) {
        TypeNameMatch curr = typeInfos.get(i);
        if (curr.getPackageName().length() > 0) {
            // do not suggest imports from the default package
            if (isOfKind(curr, typeKinds, is50OrHigher) && isVisible(curr)) {
                typeRefsFound.add(curr);
            }
        }
    }
    return typeRefsFound.toArray(new TypeNameMatch[typeRefsFound.size()]);
}

Example 2 with SearchEngine

use of org.eclipse.jdt.core.search.SearchEngine 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 SearchEngine

use of org.eclipse.jdt.core.search.SearchEngine 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 SearchEngine

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

the class JavaDebuggerUtils method findTypeByFqn.

private List<IType> findTypeByFqn(char[][] packages, char[][] names, IJavaSearchScope scope) throws JavaModelException {
    List<IType> result = new ArrayList<>();
    SearchEngine searchEngine = new SearchEngine();
    searchEngine.searchAllTypeNames(packages, names, scope, new TypeNameMatchRequestor() {

        @Override
        public void acceptTypeNameMatch(TypeNameMatch typeNameMatch) {
            result.add(typeNameMatch.getType());
        }
    }, IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, new NullProgressMonitor());
    return result;
}

Example 5 with SearchEngine

use of org.eclipse.jdt.core.search.SearchEngine 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()]);
}