001/**
002 *
003 * Copyright 2016 Florian Schmaus
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.jivesoftware.smackx.iot.parser;
018
019import org.jivesoftware.smackx.iot.element.NodeInfo;
020import org.xmlpull.v1.XmlPullParser;
021
022import static org.jivesoftware.smack.util.StringUtils.isNullOrEmpty;
023
024public class NodeInfoParser {
025
026    public static NodeInfo parse(XmlPullParser parser) {
027        String nodeId = parser.getAttributeValue(null, "nodeId");
028        String sourceId = parser.getAttributeValue(null, "sourceId");
029        String cacheType = parser.getAttributeValue(null, "cacheType");
030        if (isNullOrEmpty(nodeId) && isNullOrEmpty(sourceId) && isNullOrEmpty(cacheType)) {
031            return NodeInfo.EMPTY;
032        }
033        return new NodeInfo(nodeId, sourceId, cacheType);
034    }
035}