/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.gatein.api.navigation;
import org.exoplatform.portal.mop.navigation.NodeState;
import org.exoplatform.portal.mop.navigation.Scope;
import org.exoplatform.portal.mop.navigation.VisitMode;
import org.gatein.api.Util;
import org.gatein.api.internal.Parameters;
import org.gatein.api.page.PageId;
/**
* @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
*/
public class NodeVisitorScope implements Scope {
private final NodeVisitor visitor;
public NodeVisitorScope(NodeVisitor visitor) {
this.visitor = Parameters.requireNonNull(visitor, "visitor");
}
@Override
public Visitor get() {
return new NodeVisitorAdapter(visitor);
}
private static class NodeVisitorAdapter implements Visitor {
private final NodeVisitor visitor;
private NodePath nodePath;
public NodeVisitorAdapter(NodeVisitor visitor) {
this.visitor = visitor;
}
@Override
public VisitMode enter(int depth, String id, String name, NodeState state) {
nodePath = depth == 0 ? NodePath.root() : nodePath.append(name);
String nodeName = depth == 0 ? null : name;
NodeDetails details = depth == 0 ? null : new NodeDetails(state, nodePath);
return visitor.visit(depth, nodeName, details) ? VisitMode.ALL_CHILDREN : VisitMode.NO_CHILDREN;
}
@Override
public void leave(int depth, String id, String name, NodeState state) {
nodePath = nodePath.parent();
}
}
private static class NodeDetails implements NodeVisitor.NodeDetails {
private NodeState nodeState;
private NodePath nodePath;
public NodeDetails(NodeState nodeState, NodePath nodePath) {
this.nodeState = nodeState;
this.nodePath = nodePath;
}
@Override
public Visibility getVisibility() {
return ObjectFactory.createVisibility(nodeState);
}
@Override
public String getIconName() {
return nodeState.getIcon();
}
@Override
public PageId getPageId() {
return Util.from(nodeState.getPageRef());
}
@Override
public NodePath getNodePath() {
return nodePath;
}
}
}