Java tutorial
/********************************************************************************* * Ephesoft is a Intelligent Document Capture and Mailroom Automation program * developed by Ephesoft, Inc. Copyright (C) 2010-2012 Ephesoft Inc. * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU Affero General Public License version 3 as published by the * Free Software Foundation with the addition of the following permission added * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK * IN WHICH THE COPYRIGHT IS OWNED BY EPHESOFT, EPHESOFT DISCLAIMS THE WARRANTY * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS. * * This program 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 or write to the Free * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301 USA. * * You can contact Ephesoft, Inc. headquarters at 111 Academy Way, * Irvine, CA 92617, USA. or at email address info@ephesoft.com. * * The interactive user interfaces in modified source and object code versions * of this program must display Appropriate Legal Notices, as required under * Section 5 of the GNU Affero General Public License version 3. * * In accordance with Section 7(b) of the GNU Affero General Public License version 3, * these Appropriate Legal Notices must retain the display of the "Ephesoft" logo. * If the display of the logo is not reasonably feasible for * technical reasons, the Appropriate Legal Notices must display the words * "Powered by Ephesoft". ********************************************************************************/ package com.ephesoft.dcma.gwt.core.client; import com.ephesoft.dcma.gwt.core.client.event.HelpClickEvent; import com.ephesoft.dcma.gwt.core.client.event.HelpClickEventHandler; import com.ephesoft.dcma.gwt.core.client.event.SignoutEvent; import com.ephesoft.dcma.gwt.core.client.event.SignoutEventHandler; import com.ephesoft.dcma.gwt.core.client.i18n.LocaleCommonConstants; import com.ephesoft.dcma.gwt.core.client.i18n.LocaleDictionary; import com.ephesoft.dcma.gwt.core.client.i18n.LocaleInfo; import com.ephesoft.dcma.gwt.core.shared.ConfirmationDialogUtil; import com.google.gwt.core.client.EntryPoint; import com.google.gwt.core.client.GWT; import com.google.gwt.event.shared.HandlerManager; import com.google.gwt.resources.client.ClientBundle; import com.google.gwt.resources.client.CssResource; import com.google.gwt.resources.client.CssResource.NotStrict; import com.google.gwt.user.client.Window; public abstract class DCMAEntryPoint<R extends DCMARemoteServiceAsync> implements EntryPoint { interface GlobalResources extends ClientBundle { @NotStrict @Source("global.css") CssResource css(); } protected R rpcService; protected HandlerManager eventBus; @Override public void onModuleLoad() { GWT.<GlobalResources>create(GlobalResources.class).css().ensureInjected(); this.eventBus = new HandlerManager(null); this.rpcService = createRpcService(); eventBus.addHandler(SignoutEvent.type, new SignoutEventHandler() { @Override public void onSignout(SignoutEvent event) { rpcService.logout(Window.getTitle(), new EphesoftAsyncCallback<Void>() { @Override public void onSuccess(Void voids) { Window.Location.assign(GWT.getHostPageBaseURL() + getHomePage()); } @Override public void customFailure(Throwable arg0) { /* * On Failure */ } }); } }); eventBus.addHandler(HelpClickEvent.type, new HelpClickEventHandler() { @Override public void onHelpClicked(HelpClickEvent event) { rpcService.getHelpUrl(new EphesoftAsyncCallback<String>() { @Override public void onSuccess(String url) { // opening the help url in new tab Window.open(url, "_blank", null); } @Override public void customFailure(Throwable arg0) { ConfirmationDialogUtil.showConfirmationDialog( LocaleDictionary.get() .getConstantValue(LocaleCommonConstants.HELP_URK_ERROR_MESSAGE), LocaleDictionary.get().getConstantValue(LocaleCommonConstants.ERROR_TITLE), true); } }); } }); preprocess(); } private void initialize(String locale) { LocaleDictionary.create(createLocaleInfo(locale)); this.rpcService.initRemoteService(new EphesoftAsyncCallback<Void>() { @Override public void customFailure(Throwable throwable) { ConfirmationDialogUtil.showConfirmationDialogError( LocaleDictionary.get().getConstantValue(throwable.getMessage().replace('.', '_'))); } @Override public void onSuccess(Void arg0) { // defineBridgeMethod(); onLoad(); } }); } private void preprocess() { this.rpcService.getUserName(new EphesoftAsyncCallback<String>() { @Override public void customFailure(Throwable arg0) { // On Failure } @Override public void onSuccess(String userName) { rpcService.getLocale(new EphesoftAsyncCallback<String>() { @Override public void customFailure(Throwable throwable) { initialize(""); } @Override public void onSuccess(String locale) { initialize(locale); } }); } }); } public HandlerManager getEventBus() { return eventBus; } public R getRpcService() { return rpcService; } public void onCloseWindow() { // Empty Method /* * rpcService.cleanup(new AsyncCallback<Void>() { * * @Override public void onFailure(Throwable caught) { * * On Failure * * } * * @Override public void onSuccess(Void arg0) { * * On Success * * } }); */ } public native void defineBridgeMethod() /*-{ var _this = this; $wnd.onCloseWindow = function() { return _this.@com.ephesoft.dcma.gwt.core.client.DCMAEntryPoint::onCloseWindow()(); } }-*/; public abstract void onLoad(); public abstract R createRpcService(); public abstract String getHomePage(); public abstract LocaleInfo createLocaleInfo(String locale); }