134 lines
5.1 KiB
Java
134 lines
5.1 KiB
Java
/**
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* $RCSfile$
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* $Revision$
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* $Date$
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*
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* Copyright (C) 2002-2004 Jive Software. All rights reserved.
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* ====================================================================
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* The Jive Software License (based on Apache Software License, Version 1.1)
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by
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* Jive Software (http://www.jivesoftware.com)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Smack" and "Jive Software" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please
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* contact webmaster@jivesoftware.com.
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*
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* 5. Products derived from this software may not be called "Smack",
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* nor may "Smack" appear in their name, without prior written
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* permission of Jive Software.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL JIVE SOFTWARE OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*/
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package org.jivesoftware.smackx.workgroup.util;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserException;
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import java.util.Map;
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import java.util.Iterator;
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import java.util.Hashtable;
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import java.util.Collections;
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import java.io.IOException;
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import org.jivesoftware.smackx.workgroup.packet.MetaData;
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/**
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* Utility class for meta-data parsing and writing.
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*
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* @author Matt Tucker
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*/
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public class MetaDataUtils {
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/**
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* Parses any available meta-data and returns it as a Map of String name/value
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* pairs. The parser must be positioned at an opening meta-data tag, or an
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* empty map will be returned.
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*
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* @param parser the XML parser positioned at an opening meta-data tag.
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* @return the meta-data.
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* @throws XmlPullParserException if an error occurs while parsing the XML.
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* @throws IOException if an error occurs while parsing the XML.
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*/
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public static Map parseMetaData(XmlPullParser parser) throws XmlPullParserException,
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IOException
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{
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int eventType = parser.getEventType();
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// If correctly positioned on an opening meta-data tag, parse meta-data.
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if ((eventType == XmlPullParser.START_TAG)
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&& parser.getName().equals(MetaData.ELEMENT_NAME)
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&& parser.getNamespace().equals(MetaData.NAMESPACE)) {
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Map metaData = new Hashtable();
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eventType = parser.nextTag();
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// Keep parsing until we've gotten to end of meta-data.
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while ((eventType != XmlPullParser.END_TAG)
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|| (! parser.getName().equals(MetaData.ELEMENT_NAME))) {
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String name = parser.getAttributeValue(0);
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String value = parser.nextText();
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metaData.put(name, value);
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eventType = parser.nextTag();
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}
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return metaData;
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}
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return Collections.EMPTY_MAP;
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}
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/**
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* Encodes a Map of String name/value pairs into the meta-data XML format.
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*
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* @param metaData the Map of meta-data.
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* @return the meta-data values in XML form.
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*/
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public static String encodeMetaData(Map metaData) {
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StringBuffer buf = new StringBuffer();
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if (metaData != null && metaData.size() > 0) {
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buf.append("<metadata xmlns=\"http://www.jivesoftware.com/workgroup/metadata\">");
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for (Iterator i=metaData.keySet().iterator(); i.hasNext(); ) {
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Object key = i.next();
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String value = metaData.get(key).toString();
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buf.append("<value name=\"").append(key).append("\">");
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buf.append(value);
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buf.append("</value>");
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}
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buf.append("</metadata>");
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}
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return buf.toString();
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}
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} |