001/*
002 *
003 * Copyright the original author or authors
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.shim.provider;
018
019import java.io.IOException;
020
021import org.jivesoftware.smack.packet.XmlEnvironment;
022import org.jivesoftware.smack.provider.ExtensionElementProvider;
023import org.jivesoftware.smack.xml.XmlPullParser;
024import org.jivesoftware.smack.xml.XmlPullParserException;
025
026import org.jivesoftware.smackx.shim.packet.Header;
027
028import org.jxmpp.JxmppContext;
029
030/**
031 * Parses the header element as defined in <a href="http://xmpp.org/extensions/xep-0131">Stanza Headers and Internet Metadata (SHIM)</a>.
032 *
033 * @author Robin Collier
034 */
035public class HeaderProvider extends ExtensionElementProvider<Header> {
036    @Override
037    public Header parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment, JxmppContext jxmppContext) throws XmlPullParserException, IOException {
038        String name = parser.getAttributeValue(null, "name");
039        String value = null;
040
041        parser.next();
042
043        if (parser.getEventType() == XmlPullParser.Event.TEXT_CHARACTERS) {
044            value = parser.getText();
045        }
046
047        while (parser.getEventType() != XmlPullParser.Event.END_ELEMENT) {
048            parser.next();
049        }
050
051        return new Header(name, value);
052    }
053
054}