/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.lenya.modules.navigation;
import java.util.StringTokenizer;
import org.apache.lenya.cms.site.SiteException;
import org.apache.lenya.cms.site.SiteNode;
import org.apache.lenya.cms.site.SiteStructure;
import org.xml.sax.SAXException;
/**
* Generate the nodes from the top-level node down to the node identified by the
* <em>path</em> parameter. Only the links of the currently selected language
* are included.
*/
public class BreadcrumbSelector implements FragmentSelector {
public void selectFragment(NodeGenerator generator, SiteStructure site, String path, String lang)
throws SAXException, SiteException {
StringTokenizer tokens = new StringTokenizer(path, "/");
StringBuffer currentPath = new StringBuffer();
while (tokens.hasMoreTokens()) {
String name = tokens.nextToken();
currentPath.append("/").append(name);
String pathString = currentPath.toString();
if (site.contains(pathString)) {
SiteNode node = site.getNode(pathString);
generator.startNode(node);
generator.generateLink(node, lang);
generator.endNode(node);
} else {
break;
}
}
}
}