Call simple soap method

The other i needed to execute a very simple remote soap method from within flash so i created a simple class for this purpose.

The webservice returns a JSON string so i used adobe aslib for that part.

This is the code i used.

WebService class:

    package funciton.webservices {
  2. import flash.events.EventDispatcher;
  3. import flash.net.URLRequest;
  4. import flash.net.URLVariables;
  5. import flash.net.URLLoader;
  6. import flash.events.Event;
  7. import flash.net.URLRequestMethod;
  8. import funciton.events.WebServiceEvent;
  9. import com.adobe.serialization.json.JSON;
  10. import flash.xml.XMLDocument;
  12. public class WebService extends EventDispatcher {
  14. private const SOAP_SCHEMA:String = "http://schemas.xmlsoap.org/soap/envelope/";
  15. private var $__wsdl_namespace:String = "";
  16. private var loader:URLLoader = new URLLoader();
  17. private var xml:XMLDocument;
  19. public function WebService():void{
  20. loader.addEventListener(Event.COMPLETE, onCompleteHandler);
  21. }
  23. public function set wsdl_namespace(str:String):void{
  24. $__wsdl_namespace = str;
  25. }
  27. public function get wsdl_namespace():String{
  28. return $__wsdl_namespace;
  29. }
  31. public function call(request:URLRequest, method_name:String):void{
  32. var soapBody:String = '<?xml version="1.0" encoding="utf-8"?><s:Envelope xmlns:s="' + SOAP_SCHEMA + '"';
  33. soapBody += ' xmlns:n="' + wsdl_namespace + '">';
  34. soapBody += '<s:Body><n:' + method_name + '>';
  35. soapBody += escapeSoapParams(request.data);
  36. soapBody += '</n:' + method_name + '></s:Body></s:Envelope>';
  37. request.method = URLRequestMethod.POST;
  38. request.contentType = "text/xml";
  39. request.data = soapBody;
  40. loader.load(request);
  41. }
  43. private function escapeSoapParams(params:Object):String{
  44. if(typeof(params) != "object"){
  45. return params.toString().replace(/&/g, '&amp;').replace(/</g, '<').replace(/>/g, '>');
  46. }
  47. var res:String = "";
  48. for(var i:String in params) res += "<" + i + ">" + arguments.callee(params[i]) + "</" + i + ">";
  49. return res;
  50. }
  52. private function onCompleteHandler(event:Event):void{
  53. var loader:URLLoader = URLLoader(event.target);
  54. xml = new XMLDocument();
  55. xml.ignoreWhite = true;
  56. xml.parseXML(loader.data);
  57. var result:String = xml.firstChild.firstChild.firstChild.firstChild.firstChild.nodeValue;
  58. dispatchEvent(new WebServiceEvent(WebServiceEvent.COMPLETE, JSON.decode(result)));
  59. }
  61. }
  63. }

WebServiceEvent class:

    package funciton.events {
  2. import flash.events.Event;
  4. public class WebServiceEvent extends Event {
  6. public static const COMPLETE:String = "complete";
  7. public var data:Object;
  9. public function WebServiceEvent(type:String, rest:Object){
  10. super(type);
  11. data = rest;
  12. }
  14. override public function clone():Event{
  15. return new WebServiceEvent(type, data);
  16. }
  18. }
  19. }

Here is how you use it:

    import funciton.webservices.WebService;
  1. import flash.net.URLRequest;
  2. import flash.net.URLVariables;
  3. import funciton.events.WebServiceEvent;
  5. var request:URLRequest = new URLRequest("http://remoteURL/webservice.php");
  6. var ws:WebService = new WebService();
  7. ws.wsdl_namespace = "urn:myNameSpace";
  8. var vars:URLVariables = new URLVariables();
  9. vars.name = "Dude";
  10. vars.email = "email@domain.com";
  11. request.data = vars;
  12. ws.addEventListener(WebServiceEvent.COMPLETE, onLoginResult);
  13. ws.call(request, "method");
  15. function onLoginResult(event:WebServiceEvent):void{
  16. if(event.data.success){
  17. trace ("good");
  18. }else{
  19. trace ("bad");
  20. }
  21. }

Let’s hope Adobe adds support for this soon.

Hope this helps someone.


Posted on July 26, 2007 6:39 PM
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