source: ComponentRegistry/trunk/ComponentBrowserGui/src/main/flex/clarin/cmdi/componentregistry/services/ComponentListService.as @ 161

package clarin.cmdi.componentregistry.services {
        import clarin.cmdi.componentregistry.common.ItemDescription;

        import mx.collections.ArrayCollection;
        import mx.rpc.events.ResultEvent;

        public class ComponentListService extends BrowserService {


                private static var _instance:ComponentListService = new ComponentListService();

                public function ComponentListService() {
                        super(Config.instance.componentListUrl);
                        if (_instance != null) {
                                throw new Error("Service can only be accessed through ComponentListService.instance");
                        }
                }

                override protected function result(resultEvent:ResultEvent):void {
                        var resultXml:XML = resultEvent.result as XML;
                        var nodes:XMLList = resultXml.componentDescription;

                        var tempArray:Array = new Array();
                        for each (var node:XML in nodes) {
                                var item:ItemDescription = new ItemDescription();
                                item.createComponent(node);
                                tempArray[tempArray.length] = item;
                        }
                        setItemDescriptions(new ArrayCollection(tempArray));
                }

                public static function get instance():ComponentListService {
                        return _instance;
                }

                /**
                 * Looks up itemDescription, returns null if not found.
                 */
                public function lookUpDescription(componentId:String):ItemDescription {
                        for each (var item:ItemDescription in unFilteredItemDescriptions) {
                                if (item.id == componentId) {
                                        return item;
                                }
                        }
                        return null;
                }
        }
}