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
028/**
029 * Parses the header element as defined in <a href="http://xmpp.org/extensions/xep-0131">Stanza Headers and Internet Metadata (SHIM)</a>.
030 *
031 * @author Robin Collier
032 */
033public class HeaderProvider extends ExtensionElementProvider<Header> {
034    @Override
035    public Header parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment) throws XmlPullParserException, IOException {
036        String name = parser.getAttributeValue(null, "name");
037        String value = null;
038
039        parser.next();
040
041        if (parser.getEventType() == XmlPullParser.Event.TEXT_CHARACTERS) {
042            value = parser.getText();
043        }
044
045        while (parser.getEventType() != XmlPullParser.Event.END_ELEMENT) {
046            parser.next();
047        }
048
049        return new Header(name, value);
050    }
051
052}