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1 | package gov.va.med.edp.business
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2 | {
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3 | import com.adobe.cairngorm.business.ServiceLocator;
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4 |
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5 | import gov.va.med.edp.business.responder.XMLResultFormattingResponder;
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6 | import gov.va.med.edp.business.responder.ServerErrorCheckResponder;
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7 |
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8 | import mx.rpc.AsyncToken;
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9 | import mx.rpc.IResponder;
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10 |
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11 | /**
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12 | * Base class for Cairngorm service delegates that sends IResponder methods
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13 | * to a chain of decorator responders which eventually forward result and fault methods
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14 | * to responder specified on construction.
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15 | */
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16 | public class ResponderChainingDelegate
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17 | {
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18 | private var responder:IResponder;
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19 | private var service:Object;
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20 |
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21 | public function ResponderChainingDelegate(responder:IResponder, serviceName:String) {
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22 | this.service = ServiceLocator.getInstance().getHTTPService(serviceName);
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23 | this.responder = createResponderChain(responder);
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24 | }
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25 |
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26 | protected function createResponderChain(lastResponder: IResponder) : IResponder {
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27 | return new XMLResultFormattingResponder(new ServerErrorCheckResponder(lastResponder));
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28 | }
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29 |
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30 | public final function send(params:Object = null) : void {
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31 | var token:AsyncToken = service.send(params);
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32 | token.addResponder(responder);
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33 | }
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34 | }
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35 | }
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