/*
* 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.jackrabbit.commons.webdav;
import org.apache.jackrabbit.util.XMLUtil;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Text;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* <code>NodeTypeUtil</code>...
*/
public class NodeTypeUtil implements NodeTypeConstants {
public static Element ntNameToXml(String nodeTypeName, Document document) {
Element ntElem = document.createElementNS(JcrRemotingConstants.NS_URI, JcrRemotingConstants.NS_PREFIX + ":" + XML_NODETYPE);
Element nameElem = document.createElementNS(JcrRemotingConstants.NS_URI, JcrRemotingConstants.NS_PREFIX + ":" + XML_NODETYPENAME);
Text txt = document.createTextNode(nodeTypeName);
nameElem.appendChild(txt);
ntElem.appendChild(nameElem);
return ntElem;
}
public static Collection<String> ntNamesFromXml(Object propValue) {
// assume property has be built from xml
if (propValue instanceof List) {
return retrieveNodeTypeNames(((List<?>)propValue));
} else if (propValue instanceof Element) {
List<Element> l = Collections.singletonList((Element) propValue);
return retrieveNodeTypeNames(l);
} else {
// Property value cannot be parsed into node type names.
return Collections.emptySet();
}
}
private static Set<String> retrieveNodeTypeNames(List<?> elementList) {
Set<String> nodetypeNames = new HashSet<String>();
for (Object content : elementList) {
if (!(content instanceof Element)) {
continue;
}
Element el = (Element) content;
if (XML_NODETYPE.equals(el.getLocalName()) && JcrRemotingConstants.NS_URI.equals(el.getNamespaceURI())) {
String nodetypeName = XMLUtil.getChildText(el, XML_NODETYPENAME, JcrRemotingConstants.NS_URI);
if (nodetypeName != null && !"".equals(nodetypeName)) {
nodetypeNames.add(nodetypeName);
}
} // else: 'dcr:nodetype' element expected -> ignoring element
}
return nodetypeNames;
}
}