source: ComponentRegistry/trunk/ComponentBrowserGui/src/main/flex/clarin/cmdi/componentregistry/services/ComponentInfoService.as @ 224

package clarin.cmdi.componentregistry.services {

        import clarin.cmdi.componentregistry.common.Component;
        import clarin.cmdi.componentregistry.common.ComponentMD;
        import clarin.cmdi.componentregistry.common.ItemDescription;
        
        import mx.controls.Alert;
        import mx.messaging.messages.HTTPRequestMessage;
        import mx.rpc.AsyncToken;
        import mx.rpc.Responder;
        import mx.rpc.events.FaultEvent;
        import mx.rpc.events.ResultEvent;
        import mx.rpc.http.HTTPService;
        import mx.utils.StringUtil;

        [Event(name="ComponentLoaded", type="flash.events.Event")]
        public class ComponentInfoService {
                public static const COMPONENT_LOADED:String = "ComponentLoaded";

                private var service:HTTPService;

                [Bindable]
                public var component:Component;


                public function ComponentInfoService() {
                        this.service = new HTTPService();
                        this.service.method = HTTPRequestMessage.GET_METHOD;
                        this.service.resultFormat = HTTPService.RESULT_FORMAT_E4X;
                }

                public function load(item:ItemDescription):void {
                        this.component = new Component();
                        component.description = item;
                        this.service.url = item.dataUrl;
                        var token:AsyncToken = this.service.send();
                        token.addResponder(new Responder(result, fault));
                }

                private function result(resultEvent:ResultEvent):void {
                        var resultXml:XML = resultEvent.result as XML;
                        var metaData:ComponentMD = new ComponentMD();
                        metaData.name = resultXml.CMD_Component.@name;
                        metaData.xml = resultXml;
                        component.componentMD = metaData;
                        dispatchEvent(new Event(COMPONENT_LOADED));
                }

                public function fault(faultEvent:FaultEvent):void {
                        var errorMessage:String = StringUtil.substitute("Error in {0}: {1} - {2}", this, faultEvent.fault.faultString, faultEvent.fault.faultDetail);
                        Alert.show(errorMessage);
                }
        }
}