source: ComponentRegistry/branches/jeaferversion/ComponentBrowserGui/src/main/flex/clarin/cmdi/componentregistry/services/CommentInfoService.as @ 1636

package clarin.cmdi.componentregistry.services {
        
        import clarin.cmdi.componentregistry.common.Comment;
        import clarin.cmdi.componentregistry.common.CommentMD;
        import clarin.cmdi.componentregistry.common.CommentDescription;
        
        import com.adobe.net.URI;
        
        import flash.events.Event;
        import flash.events.EventDispatcher;
        
        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="CommentLoaded", type="flash.events.Event")]
        public class CommentInfoService extends EventDispatcher {
                public static const COMMENT_LOADED:String = "CommentLoaded";
                
                private var service:HTTPService;
                
                [Bindable]
                public var comment:Comment;

                public function CommentInfoService() {
                        this.service = new HTTPService();
                        this.service.method = HTTPRequestMessage.GET_METHOD;
                        this.service.resultFormat = HTTPService.RESULT_FORMAT_E4X;
                }
                public function load(item:CommentDescription):void {
                        comment = new Comment();
                        comment.description = item;
                        var url:URI = new URI(item.dataUrl);
                        service.url = url.toString();
                        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:CommentMD = new CommentMD();
                        metaData.name = resultXml.CMD_Comment.@name;
                        metaData.xml = resultXml;
                        comment.commentMD = metaData;
                        dispatchEvent(new Event(COMMENT_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);
                }
        }
}