Flex [original] Data Request (urlloader/httpservice) Tool

Provides a commonly used tool class for data request:

1: urlloader Mode

2: httpservice

 

Source code:

 

 Package  {  Import  Flash. Events. event;  Import  Flash. Events. ioerrorevent;  Import  Flash.net. urlloader;  Import  Flash.net. urlloaderdataformat;  Import  Flash.net. URLRequest; Import  Flash.net. urlrequestmethod;  Import  Flash.net. urlvariables;  Import  MX. rpc. Events. faultevent;  Import  MX. rpc. Events. invokeevent;  Import  MX. rpc. Events. resultevent;  Import  MX. rpc. http. httpservice;  Import  MX. utils. stringutil; /**  * <P> Data Request DeleGate </P> * this class has tow request ways: * 1. httpservice * 2. urlloader *  */      Public   Class  Datarequestdelegate {  /**  * Don't init static class *  */          Public  Function datarequestdelegate (){  Throw   New Error ("Don't init static class" );}  /**  * Requestremotedata use httpservice *  @ Param  Requrl *  @ Param  Parameters (default = NULL )*  @ Param  Onresulthandler (default = NULL )*  @ Param  Onfaulthandler (default = NULL )*  @ Param Oninvokehandler (default = NULL )*  @ Param  Resultformat (default = "object ")*  */          Public   Static Function requestremotedata (requrl: String, parameters: Object = Null , Onresulthandler: function = Null , Onfaulthandler: function = Null , Oninvokehandler: function = Null , Resultformat: String = "object "): Void {  Try  {Requrl = Stringutil. Trim (requrl); var service: httpservice = New  Httpservice (); service. url = Requrl; service. resultformat = Resultformat; service. Method = Urlrequestmethod. Get;  If (Onresulthandler! = Null ) Service. addeventlistener (resultevent. Result, onresulthandler );  If (Onfaulthandler! = Null  ) Service. addeventlistener (faultevent. Fault, onfaulthandler );  If (Oninvokehandler! = Null  ) Service. addeventlistener (invokeevent. invoke, oninvokehandler); service. Send (parameters );}  Catch  (Error: Error) {trace ( "Httpservice Request Remote Data error:" +Error. Message );}}  /**  * Requestremotedata2 use urlloader *  @ Param  Requrl *  @ Param  Parameters (default = NULL )*  @ Param  Dataformat (default = urlloaderdataformat. Text )*  @ Param  Resultfun (default = NULL )*  @ Param  Failfun (default = NULL )* */          Public   Static Function requestremotedata2 (requrl: String, parameters: Object = Null , Dataformat: String = urlloaderdataformat. Text, resultfun: function = Null , Failfun: function = Null ): Void  {  Try  {Requrl = Stringutil. Trim (requrl );  // VaR varvals: urlvariables = new urlvariables ();                  For  (Var ps: String in parameters ){  //  Varvals [PS] = postparam [PS]; Requrl + = ("&" + PS + "=" + Parameters [PS]);  //  Trace ("varvals --->" + varvals [PS]);  } Trace ( "XML get URL --->" + Requrl );  // Trace (urlreq. url + "? "+ (Urlreq. Data as urlvariables). tostring ()); VaR urlreq: URLRequest = New  URLRequest (requrl); urlreq. Method = Urlrequestmethod. Get;  //  Urlreq. Data = varvals; VaR Loader: urlloader = New  Urlloader (); loader. dataformat = Dataformat; loader. Load (urlreq );  If (Resultfun! =Null  ) Loader. addeventlistener (event. Complete, resultfun );  If (Failfun! = Null  ) Loader. addeventlistener (ioerrorevent. io_error, failfun );}  Catch  (Error: Error) {trace ( "Urlloader Request Remote Data error:" + Error. Message );}}}}