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1   package org.kuali.student.lum.lu.ui.main.client.configuration;
2   
3   import java.util.Arrays;
4   import java.util.List;
5   import java.util.Map;
6   
7   import org.kuali.student.common.ui.client.application.KSAsyncCallback;
8   import org.kuali.student.common.ui.client.mvc.Callback;
9   import org.kuali.student.common.ui.client.mvc.Controller;
10  import org.kuali.student.common.ui.client.mvc.ViewComposite;
11  import org.kuali.student.common.ui.client.service.ServerPropertiesRpcService;
12  import org.kuali.student.common.ui.client.service.ServerPropertiesRpcServiceAsync;
13  
14  import com.google.gwt.core.client.GWT;
15  import com.google.gwt.uibinder.client.UiBinder;
16  import com.google.gwt.uibinder.client.UiField;
17  import com.google.gwt.user.client.ui.Label;
18  import com.google.gwt.user.client.ui.Widget;
19  
20  public class AcknowledgeView extends ViewComposite{
21  	private static AcknowledgeUiBinder uiBinder = GWT.create(AcknowledgeUiBinder.class);
22  
23  	interface AcknowledgeUiBinder extends UiBinder<Widget, AcknowledgeView> {
24  	}
25  	
26  	@UiField
27  	Label verLabel;
28  	
29  	private ServerPropertiesRpcServiceAsync serverPropertiesRpcService = GWT.create(ServerPropertiesRpcService.class);
30  	private static final String APP_VERSION		= "ks.application.version"; 
31  	
32  	public AcknowledgeView(Controller controller, Enum<?> viewType) {
33  		super(controller, "Acknowledgements", viewType);
34  	    this.initWidget(uiBinder.createAndBindUi(this));
35  	}
36  	
37  	@Override
38  	public void beforeShow(final Callback<Boolean> onReadyCallback) {
39  		if(verLabel.getText().isEmpty()){
40  			List<String> serverPropertyList = Arrays.asList(APP_VERSION);
41  	
42  	        serverPropertiesRpcService.get(serverPropertyList, new KSAsyncCallback<Map<String,String>>() {
43  	            public void handleFailure(Throwable caught) {
44  	            	//ignoring, we'll use the default
45  	            }
46  	
47  	            public void onSuccess(Map<String,String> result) {
48  	                GWT.log("ServerProperties fetched: "+result.toString(), null);
49  	                if(result != null){
50  	                    String appVersion		= result.get(APP_VERSION);
51  	                    verLabel.setText("Version: " + appVersion);
52  	                }
53  	                onReadyCallback.exec(true);
54  	            }
55  	
56  	        });
57  		}
58  		else{
59  			onReadyCallback.exec(true);
60  		}
61  		
62  	}
63  
64  
65  }