package org.kuali.student.lum.common.client.widgets;

 import org.kuali.student.common.ui.client.mvc.Callback;

 import org.kuali.student.common.ui.client.service.DataSaveResult;

 import org.kuali.student.core.assembly.data.Data;

 import org.kuali.student.core.assembly.data.Metadata;

 import com.google.gwt.core.client.GWT;

 import com.google.gwt.user.client.Window;

 import com.google.gwt.user.client.rpc.AsyncCallback;

 public class CluSetRetrieverImpl implements CluSetRetriever {

     private CluSetManagementRpcServiceAsync cluSetManagementRpcServiceAsync = GWT.create(CluSetManagementRpcService.class);

     @Override

     public void getCluSetInformation(final String cluSetId, final Callback<CluSetInformation> retrieveDoneCallback) {

         cluSetManagementRpcServiceAsync.getCluSetInformation(cluSetId, new AsyncCallback<CluSetInformation>() {

             @Override

             public void onFailure(Throwable caught) {

                 Window.alert("Failed to retrieve CluSet information for " + cluSetId);

                 retrieveDoneCallback.exec(null);

             }

             @Override

             public void onSuccess(CluSetInformation result) {

                 retrieveDoneCallback.exec(result);

             }

         });

     }

     @Override

     public void getMetadata(final String id, final Callback<Metadata> callback) {

         cluSetManagementRpcServiceAsync.getMetadata(id, null, new AsyncCallback<Metadata>() {

             @Override

             public void onFailure(Throwable caught) {

                 Window.alert("Failed to get metadata with id " + id);

                 callback.exec(null);

             }

             @Override

             public void onSuccess(Metadata result) {

                 callback.exec(result);

             }

         });

     }

     @Override

     public void getData(final String cluSetId, final Callback<Data> callback) {

         cluSetManagementRpcServiceAsync.getData(cluSetId, new AsyncCallback<Data>() {

             @Override

             public void onFailure(Throwable caught) {

                 Window.alert("Failed to retreive data for clu Set with id " + cluSetId);

                 callback.exec(null);

             }

             @Override

             public void onSuccess(Data result) {

                 callback.exec(result);

             }

         });

     }

     @Override

     public void saveData(final Data data, final Callback<DataSaveResult> callback) {

         cluSetManagementRpcServiceAsync.saveData(data, new AsyncCallback<DataSaveResult>() {

             @Override

             public void onFailure(Throwable caught) {

                 Window.alert("Failed to save clu set data");

                 callback.exec(null);

             }

             @Override

             public void onSuccess(DataSaveResult result) {

                 callback.exec(result);

             }

         });

     }

 }