NavigationUtils.java
/*
* Copyright (C) 2003-2013 eXo Platform SAS.
*
* This program 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.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see<http://www.gnu.org/licenses/>.
*/
package org.exoplatform.platform.common.navigation;
import org.exoplatform.portal.config.model.*;
import org.exoplatform.portal.mop.Described;
import org.exoplatform.portal.mop.SiteKey;
import org.exoplatform.portal.mop.description.DescriptionService;
import org.exoplatform.portal.mop.navigation.*;
import java.util.*;
/**
* @author <a href="mailto:kmenzli@exoplatform.com">Khemais MENZLI</a>
* @version $Revision$
* Date: 06/03/13
*/
public class NavigationUtils {
private NavigationUtils(){}
public static PageNavigation loadPageNavigation(String userId, NavigationService navigationService, DescriptionService descriptionService)
{
NavigationContext navigation = navigationService.loadNavigation(SiteKey.user(userId));
if (navigation == null) return null;
NodeContext<NodeContext<?>> node = loadNode(navigationService, navigation, null);
if (node == null) return null;
return createPageNavigation(descriptionService, navigation, node);
}
public static NodeContext<NodeContext<?>> loadNode(NavigationService navigationService, NavigationContext navigation,
String navUri) {
if (navigation == null)
return null;
if (navUri != null) {
String[] path = trim(navUri.split("/"));
NodeContext<NodeContext<?>> node = navigationService.loadNode(NodeModel.SELF_MODEL, navigation,
GenericScope.branchShape(path, Scope.ALL), null);
for (String name : path) {
node = node.get(name);
if (node == null)
break;
}
return node;
} else {
return navigationService.loadNode(NodeModel.SELF_MODEL, navigation, Scope.ALL, null);
}
}
public static PageNavigation createPageNavigation(DescriptionService service, NavigationContext navigation, NodeContext<NodeContext<?>> node) {
PageNavigation pageNavigation = new PageNavigation();
pageNavigation.setPriority(navigation.getState().getPriority());
pageNavigation.setOwnerType(navigation.getKey().getTypeName());
pageNavigation.setOwnerId(navigation.getKey().getName());
ArrayList<PageNode> children = new ArrayList<PageNode>(node.getNodeCount());
for (NodeContext<?> child : node.getNodes()) {
@SuppressWarnings("unchecked")
NodeContext<NodeContext<?>> childNode = (NodeContext<NodeContext<?>>) child;
children.add(createPageNode(service, childNode));
}
NavigationFragment fragment = new NavigationFragment();
fragment.setNodes(children);
pageNavigation.addFragment(fragment);
return pageNavigation;
}
private static void getPath(NodeContext<NodeContext<?>> node, StringBuilder parentUri) {
if (node == null)
return;
if (node.getParent() == null)
return; // since "default" is the root node, we ignore it
parentUri.insert(0, node.getName()).insert(0, "/");
getPath(node.getParent(), parentUri);
}
private static PageNode createPageNode(DescriptionService service, NodeContext<NodeContext<?>> node)
{
PageNode pageNode = new PageNode();
pageNode.setName(node.getName());
if (node.getState().getLabel() == null) {
Map<Locale, Described.State> descriptions = service.getDescriptions(node.getId());
if (descriptions != null && !descriptions.isEmpty()) {
I18NString labels = new I18NString();
for (Map.Entry<Locale, Described.State> entry : descriptions.entrySet()) {
labels.add(new LocalizedString(entry.getValue().getName(), entry.getKey()));
}
pageNode.setLabels(labels);
}
} else {
pageNode.setLabel(node.getState().getLabel());
}
pageNode.setIcon(node.getState().getIcon());
long startPublicationTime = node.getState().getStartPublicationTime();
if (startPublicationTime != -1) {
pageNode.setStartPublicationDate(new Date(startPublicationTime));
}
long endPublicationTime = node.getState().getEndPublicationTime();
if (endPublicationTime != -1) {
pageNode.setEndPublicationDate(new Date(endPublicationTime));
}
pageNode.setVisibility(node.getState().getVisibility());
pageNode.setPageReference(node.getState().getPageRef() != null ? node.getState().getPageRef().format() : null);
if (node.getNodes() != null) {
ArrayList<PageNode> children = new ArrayList<PageNode>(node.getNodeCount());
for (NodeContext<?> child : node.getNodes()) {
@SuppressWarnings("unchecked")
NodeContext<NodeContext<?>> childNode = (NodeContext<NodeContext<?>>) child;
children.add(createPageNode(service, childNode));
}
pageNode.setChildren(children);
} else {
pageNode.setChildren(new ArrayList<PageNode>(0));
}
return pageNode;
}
private static String[] trim(String[] array) {
List<String> trimmed = new ArrayList<String>(array.length);
for (String s : array) {
if (s != null && !"".equals(s)) {
trimmed.add(s);
}
}
return trimmed.toArray(new String[trimmed.size()]);
}
}