Java tutorial
/* * Copyright 2011 Aries McRae. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.ariesmcrae.rel.client.event; import com.ariesmcrae.rel.client.view.RelationshipView; import com.ariesmcrae.rel.model.Participant; import com.google.gwt.core.client.GWT; import com.google.gwt.dom.client.Style.Visibility; import com.google.gwt.http.client.Request; import com.google.gwt.http.client.RequestCallback; import com.google.gwt.http.client.Response; /** * @author ariesmcrae.com */ public class GetParticipantsCallback implements RequestCallback { private RelationshipView view; public GetParticipantsCallback(RelationshipView theView) { view = theView; } public void onResponseReceived(Request request, Response response) { if (response.getStatusCode() != Response.SC_OK) { view.changeSpinnerVisibility(Visibility.HIDDEN); GWT.log("Exiting prematurely. Callback is not " + Response.SC_OK + " but statusCode=" + response.getStatusCode()); return; } view.populateRelationshipDiffTable(Participant.parse(response.getText())); view.changeSpinnerVisibility(Visibility.HIDDEN); } public void onError(Request request, Throwable e) { view.changeSpinnerVisibility(Visibility.HIDDEN); GWT.log("Callback error=" + e.getMessage()); } }