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

Example 21 with SearchPattern

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