Java tutorial
/******************************************************************************* * This file is part of ScienceGadgets, a collection of educational tools * Copyright (C) 2012-2015 by John Gralyan * * ScienceGadgets is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * ScienceGadgets is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * Contact us at info@sciencegadgets.org *******************************************************************************/ package com.admin.client; import com.google.gwt.core.client.GWT; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.rpc.AsyncCallback; public class AppEngineData { private final AdminServiceAsync adminService = GWT.create(AdminService.class); public void saveEquation(String newEquation) { newEquation = newEquation.toLowerCase().replaceAll("\r|\n|\r\n|\t| {2,}", "").replaceAll("> <", "><"); adminService.saveEquation(newEquation, new AsyncCallback<String>() { @Override public void onSuccess(String result) { Window.alert("Saved as: " + result); } @Override public void onFailure(Throwable caught) { Window.alert("FAILED save!!!"); } }); } public void doNot() { Window.alert("did"); } }