Java tutorial
/* * Copyright (c) 2008-2011, Martijn Brinkers, Djigzo. * * This file is part of Djigzo email encryption. * * Djigzo is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License * version 3, 19 November 2007 as published by the Free Software * Foundation. * * Djigzo 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 Djigzo. If not, see <http://www.gnu.org/licenses/> * * Additional permission under GNU AGPL version 3 section 7 * * If you modify this Program, or any covered work, by linking or * combining it with saaj-api-1.3.jar, saaj-impl-1.3.jar, * wsdl4j-1.6.1.jar (or modified versions of these libraries), * containing parts covered by the terms of Common Development and * Distribution License (CDDL), Common Public License (CPL) the * licensors of this Program grant you additional permission to * convey the resulting work. */ package mitm.djigzo.web.pages; import java.util.Collections; import java.util.HashMap; import java.util.HashSet; import java.util.Map; import java.util.Set; import mitm.application.djigzo.admin.FactoryRoles; import mitm.application.djigzo.ws.SMSGatewayWS; import mitm.common.sms.SortColumn; import mitm.common.ws.WebServiceCheckedException; import mitm.djigzo.web.beans.SMSBean; import mitm.djigzo.web.grid.SMSGridDataSource; import org.apache.commons.lang.StringUtils; import org.apache.tapestry5.Asset; import org.apache.tapestry5.ComponentResources; import org.apache.tapestry5.annotations.Component; import org.apache.tapestry5.annotations.IncludeStylesheet; import org.apache.tapestry5.annotations.OnEvent; import org.apache.tapestry5.annotations.Path; import org.apache.tapestry5.annotations.Persist; import org.apache.tapestry5.annotations.Property; import org.apache.tapestry5.annotations.SetupRender; import org.apache.tapestry5.beaneditor.BeanModel; import org.apache.tapestry5.corelib.components.Grid; import org.apache.tapestry5.ioc.annotations.Inject; import org.apache.tapestry5.json.JSONObject; import org.apache.tapestry5.services.BeanModelSource; import org.apache.tapestry5.services.Request; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.security.annotation.Secured; @IncludeStylesheet("context:styles/pages/sms.css") @Secured({ FactoryRoles.ROLE_ADMIN, FactoryRoles.ROLE_SMS_MANAGER }) public class SMS { private static final Logger logger = LoggerFactory.getLogger(SMS.class); /* * Mapping from SMSBean property name to sort column. Used by SMSGridDataSource to sort * on a specific column */ private final Map<String, SortColumn> propertySortColumnMap = new HashMap<String, SortColumn>(); @Inject private SMSGatewayWS smsGateway; @Inject private Request request; /* * The SMS currently being drawn by the grid (is set by the grid component) */ @Property private SMSBean sms; /* * Set of the selected SMS ID's */ @Persist private Set<Long> selected; @SuppressWarnings("unused") @Component(parameters = { "source = gridDataSource", "model = model", "row = sms", "volatile = true", "reorder = select,delete,id,phonenumber,created,lastTry,message" }) private Grid grid; @Inject private BeanModelSource beanModelSource; @Inject private ComponentResources resources; @SuppressWarnings("unused") @Inject @Path("context:icons/cross.png") @Property private Asset deleteAsset; public BeanModel<SMSBean> getModel() { BeanModel<SMSBean> model = beanModelSource.createDisplayModel(SMSBean.class, resources.getMessages()); model.add("delete", null); model.add("select", null); model.get("id").sortable(false); model.get("message").sortable(false); model.get("lastError").sortable(false); return model; } @SetupRender @Secured({ FactoryRoles.ROLE_ADMIN, FactoryRoles.ROLE_SMS_MANAGER }) public void setupGrid() { if (selected == null) { selected = Collections.synchronizedSet(new HashSet<Long>()); } else { selected.clear(); } if (propertySortColumnMap.size() == 0) { propertySortColumnMap.put("phonenumber", SortColumn.PHONENUMBER); propertySortColumnMap.put("created", SortColumn.CREATED); propertySortColumnMap.put("lasttry", SortColumn.LAST_TRY); } } public boolean getSelect() { return selected.contains(sms.getID()); } public void setSelect(boolean value) { /* * Ignored. Checkbox values will be handled using EventCheckbox (see onEventActionLink) */ } @OnEvent(component = "deleteSMS") protected void deleteSMS(long smsID) { try { smsGateway.delete(smsID); } catch (WebServiceCheckedException e) { logger.error("Error deleting SMS with ID: " + smsID, e); } } public SMSGridDataSource getGridDataSource() { return new SMSGridDataSource(smsGateway, propertySortColumnMap); } /* * Event handler called when the checkbox is clicked. */ public void onCheckboxEvent() { String data = request.getParameter("data"); if (StringUtils.isEmpty(data)) { throw new IllegalArgumentException("data is missing."); } JSONObject json = new JSONObject(data); Long element = json.getLong("element"); boolean checked = json.getBoolean("checked"); if (checked) { selected.add(element); } else { selected.remove(element); } } @OnEvent(component = "deleteSelected") protected void deleteSelected() { /* * Note: we need to clone the set to make sure that concurrent modifications * are possible. */ Long[] ids = selected.toArray(new Long[] {}); for (Long smsID : ids) { deleteSMS(smsID); } } }