Java tutorial
/** * This file Copyright (c) 2013-2015 Magnolia International * Ltd. (http://www.magnolia-cms.com). All rights reserved. * * * This file is dual-licensed under both the Magnolia * Network Agreement and the GNU General Public License. * You may elect to use one or the other of these licenses. * * This file is distributed in the hope that it will be * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. * Redistribution, except as permitted by whichever of the GPL * or MNA you select, is prohibited. * * 1. For the GPL license (GPL), you can redistribute and/or * modify this file under the terms of the GNU General * Public License, Version 3, as published by the Free Software * Foundation. You should have received a copy of the GNU * General Public License, Version 3 along with this program; * if not, write to the Free Software Foundation, Inc., 51 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * 2. For the Magnolia Network Agreement (MNA), this file * and the accompanying materials are made available under the * terms of the MNA which accompanies this distribution, and * is available at http://www.magnolia-cms.com/mna.html * * Any modifications to this file must keep this entire header * intact. * */ package info.magnolia.ui.contentapp.detail; import info.magnolia.ui.api.location.DefaultLocation; import info.magnolia.ui.api.location.Location; import org.apache.commons.lang3.StringUtils; /** * ItemLocation used in implementers of {@link info.magnolia.ui.contentapp.detail.DetailSubApp}. * Extends the Default Location by adding fields for : * <ul> * <li>the nodePath (some/node/path)</li> * <li>the {@link DetailView.ViewType} (viewType)</li> * <li>the node version (version)</li> * </ul> * <p> * {@code appType:appName:subAppId;some/node/path:viewType:version} */ public class DetailLocation extends DefaultLocation { private DetailView.ViewType viewType; private String nodePath; private String version; // Position of the parameter based on the ':' used as separator. private final static int NODE_PATH_PARAM_POSITION = 0; private final static int VIEW_TYPE_PARAM_POSITION = 1; private final static int VERSION_PARAM_POSITION = 2; public DetailLocation(String appName, String subAppId, String parameter) { super(LOCATION_TYPE_APP, appName, subAppId, parameter); setNodePath(extractNodePath(parameter)); setViewType(extractViewType(parameter)); setVersion(extractVersion(parameter)); } public DetailLocation(String appName, String subAppId, DetailView.ViewType viewType, String nodePath, String version) { super(LOCATION_TYPE_APP, appName, subAppId); setNodePath(nodePath); setViewType(viewType); setVersion(version); updateParameter(); } public String getNodePath() { return nodePath; } /** * If the node path is empty, assume root path. */ private void setNodePath(String nodePath) { this.nodePath = (nodePath == null || nodePath.isEmpty()) ? "/" : nodePath; } public DetailView.ViewType getViewType() { return viewType; } public void setViewType(DetailView.ViewType viewType) { this.viewType = viewType; } public String getVersion() { return version; } public void setVersion(String version) { this.version = version; } public boolean hasVersion() { return StringUtils.isNotBlank(version); } /** * Extract the Node path from the parameter. * * @param parameter some/node/path:viewType:version * @return some/node/path */ private String extractNodePath(String parameter) { return getParameter(parameter, NODE_PATH_PARAM_POSITION); } /** * Extract the viewType from the parameter. * * @param parameter some/node/path:viewType:version * @return viewType */ private DetailView.ViewType extractViewType(String parameter) { String action = getParameter(parameter, VIEW_TYPE_PARAM_POSITION); return DetailView.ViewType.fromString(action); } /** * Extract the Node Version from the parameter. * * @param parameter some/node/path:viewType:version * @return version */ private String extractVersion(String parameter) { return getParameter(parameter, VERSION_PARAM_POSITION); } protected String getParameter(String parameter, int position) { String arguments[] = StringUtils.split(parameter, ':'); if (position <= arguments.length - 1) { return arguments[position]; } return ""; } protected void updateParameter() { StringBuilder sb = new StringBuilder(); sb.append(nodePath); sb.append(":"); sb.append(viewType.getText()); if (StringUtils.isNotBlank(version)) { sb.append(":"); sb.append(version); } super.setParameter(sb.toString()); } public static DetailLocation wrap(Location location) { return new DetailLocation(location.getAppName(), location.getSubAppId(), location.getParameter()); } public void updateNodePath(String newNodePath) { setNodePath(newNodePath); updateParameter(); } public void updateViewtype(DetailView.ViewType newViewType) { setViewType(newViewType); updateParameter(); } public void updateVersion(String newVersion) { setVersion(newVersion); updateParameter(); } }