Bug 315281 update copyrights for 3.6
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/MarkerContentGenerator.java
String getCategoryName() {
		return generatorDescriptor.getCategoryName();
	}
	/**
	 * Return all of the filters for the receiver.
	 * 
	 * @return Collection of MarkerFieldFilterGroup
	 */
	Collection getAllFilters() {
		if (filters == null || filters == FILTERS_CHANGED) {
			filters = getDeclaredFilters();
			
			loadFiltersPreference();
		}
		return filters;
	}
	/**
	 * Return the currently enabled filters.
	 * 
	 * @return Collection of MarkerFieldFilterGroup
	 */
	Collection getEnabledFilters() {
		if (enabledFilters == null || enabledFilters == FILTERS_CHANGED) {
			Collection enabled = new HashSet();
			Iterator filtersIterator = getAllFilters().iterator();
			while (filtersIterator.hasNext()) {
				MarkerFieldFilterGroup next = (MarkerFieldFilterGroup) filtersIterator
						.next();
				if (next.isEnabled())
					enabled.add(next);