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

Example 6 with SearchRequestor

use of org.eclipse.jdt.core.search.SearchRequestor in project tdi-studio-se by Talend.

the class OpenDeclarationAction method doSearchSource.

/**
     * Searches the source for the given class name.
     * 
     * @param name The class name
     * @return The source
     * @throws CoreException
     */
IType doSearchSource(String name) throws CoreException {
    final List<IType> results = new ArrayList<IType>();
    // create requester
    SearchRequestor requestor = new SearchRequestor() {

        @Override
        public void acceptSearchMatch(SearchMatch match) throws CoreException {
            Object element = match.getElement();
            if (element instanceof IType) {
                results.add((IType) element);
            }
        }
    };
    String baseName = name.replace('$', '.');
    // create search engine and pattern
    SearchEngine engine = new SearchEngine();
    SearchPattern pattern = SearchPattern.createPattern(baseName, IJavaSearchConstants.TYPE, IJavaSearchConstants.DECLARATIONS, SearchPattern.R_EXACT_MATCH);
    // search the source for the given name
    engine.search(pattern, new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() }, SearchEngine.createWorkspaceScope(), requestor, null);
    if (results.size() > 0) {
        // at most one source should be found
        return results.get(0);
    }
    return null;
}

Example 7 with SearchRequestor

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

the class JavaSearchScopePackageLister method getPackages.

@Override
public String[] getPackages(boolean includeNonSource, IPackageFilter filter) throws PackageListException {
    final List<IJavaElement> packageList = new LinkedList<IJavaElement>();
    final SearchRequestor requestor = new SearchRequestor() {

        @Override
        public void acceptSearchMatch(SearchMatch match) throws CoreException {
            IJavaElement enclosingElement = (IJavaElement) match.getElement();
            String name = enclosingElement.getElementName();
            if (name.length() > 0) {
                // Do not include default pkg
                packageList.add(enclosingElement);
            }
        }
    };
    final SearchPattern pattern = SearchPattern.createPattern("*", IJavaSearchConstants.PACKAGE, IJavaSearchConstants.DECLARATIONS, SearchPattern.R_PATTERN_MATCH | SearchPattern.R_CASE_SENSITIVE);
    IRunnableWithProgress operation = new IRunnableWithProgress() {

        @Override
        public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
            try {
                new SearchEngine().search(pattern, SearchUtils.getDefaultSearchParticipants(), scope, requestor, monitor);
            } catch (CoreException e) {
                throw new InvocationTargetException(e);
            }
        }
    };
    try {
        runContext.run(true, true, operation);
    } catch (InvocationTargetException e) {
        throw new PackageListException(e.getCause());
    } catch (InterruptedException e) {
        throw new PackageListException("Operation interrupted");
    }
    // Remove non-source and excludes
    Set<String> packageNames = new LinkedHashSet<String>();
    for (Iterator<IJavaElement> iter = packageList.iterator(); iter.hasNext(); ) {
        boolean omit = false;
        IJavaElement element = iter.next();
        if (!includeNonSource) {
            IPackageFragment pkgFragment = (IPackageFragment) element;
            try {
                if (pkgFragment.getCompilationUnits().length == 0) {
                    omit = true;
                }
            } catch (JavaModelException e) {
                throw new PackageListException(e);
            }
        }
        if (filter != null && !filter.select(element.getElementName())) {
            omit = true;
        }
        if (!omit) {
            packageNames.add(element.getElementName());
        }
    }
    return packageNames.toArray(new String[0]);
}

Example 8 with SearchRequestor

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

the class PkgPatternsProposalProvider method doGenerateProposals.

@Override
protected Collection<? extends IContentProposal> doGenerateProposals(String contents, int position) {
    String prefix = contents.substring(0, position);
    final int replaceFromPos;
    if (prefix.startsWith("!")) {
        //$NON-NLS-1$
        prefix = prefix.substring(1);
        replaceFromPos = 1;
    } else {
        replaceFromPos = 0;
    }
    Comparator<PkgPatternProposal> comparator = new Comparator<PkgPatternProposal>() {

        public int compare(PkgPatternProposal o1, PkgPatternProposal o2) {
            int result = o1.getPackageFragment().getElementName().compareTo(o2.getPackageFragment().getElementName());
            if (result == 0) {
                result = Boolean.valueOf(o1.isWildcard()).compareTo(Boolean.valueOf(o2.isWildcard()));
            }
            return result;
        }
    };
    final TreeSet<PkgPatternProposal> result = new TreeSet<PkgPatternProposal>(comparator);
    final IJavaSearchScope scope = SearchEngine.createJavaSearchScope(new IJavaElement[] { searchContext.getJavaProject() });
    final SearchPattern pattern = SearchPattern.createPattern("*" + prefix + "*", IJavaSearchConstants.PACKAGE, IJavaSearchConstants.DECLARATIONS, SearchPattern.R_PATTERN_MATCH);
    final SearchRequestor requestor = new SearchRequestor() {

        @Override
        public void acceptSearchMatch(SearchMatch match) throws CoreException {
            IPackageFragment pkg = (IPackageFragment) match.getElement();
            // "java." since these cannot be imported
            if (pkg.isDefaultPackage() || pkg.getElementName().startsWith("java."))
                return;
            result.add(new PkgPatternProposal(pkg, false, replaceFromPos));
            result.add(new PkgPatternProposal(pkg, true, replaceFromPos));
        }
    };
    IRunnableWithProgress runnable = new IRunnableWithProgress() {

        public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
            try {
                new SearchEngine().search(pattern, new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() }, scope, requestor, monitor);
            } catch (CoreException e) {
                throw new InvocationTargetException(e);
            }
        }
    };
    try {
        IRunnableContext runContext = searchContext.getRunContext();
        if (runContext != null) {
            runContext.run(false, false, runnable);
        } else {
            runnable.run(new NullProgressMonitor());
        }
        return result;
    } catch (InvocationTargetException e) {
        logger.logError("Error searching for packages.", e);
        return Collections.emptyList();
    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        return Collections.emptyList();
    }
}