/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.xmpp.disco;
import com.caucho.vfs.*;
import com.caucho.xmpp.*;
import java.io.*;
import java.util.*;
import java.util.logging.*;
import javax.xml.stream.*;
/**
* DiscoInfo query
*
* XEP-0030: http://www.xmpp.org/extensions/xep-0030.html
*
* <code><pre>
* namespace = http://jabber.org/protocol/disco#info
*
* element query {
* attribute node?,
* identity*,
* feature*
* }
*
* element identity {
* attribute category,
* attribute name?,
* attribute type
* }
*
* element feature {
* attribute var
* }
* </pre></code>
*/
public class XmppDiscoInfoQueryMarshal extends AbstractXmppMarshal {
private static final Logger log
= Logger.getLogger(XmppDiscoInfoQueryMarshal.class.getName());
private static final boolean _isFinest = log.isLoggable(Level.FINEST);
/**
* Returns the namespace uri for the XMPP stanza value
*/
public String getNamespaceURI()
{
return "http://jabber.org/protocol/disco#info";
}
/**
* Returns the local name for the XMPP stanza value
*/
public String getLocalName()
{
return "query";
}
/**
* Returns the java classname of the object
*/
public String getClassName()
{
return DiscoInfoQuery.class.getName();
}
/**
* Serializes the object to XML
*/
public void toXml(XmppStreamWriter out, Serializable object)
throws IOException, XMLStreamException
{
DiscoInfoQuery discoInfo = (DiscoInfoQuery) object;
out.writeStartElement("", getLocalName(), getNamespaceURI());
out.writeNamespace("", getNamespaceURI());
if (discoInfo.getNode() != null)
out.writeAttribute("node", discoInfo.getNode());
DiscoIdentity []identityList = discoInfo.getIdentity();
if (identityList != null) {
for (DiscoIdentity identity : identityList) {
out.writeStartElement("identity");
out.writeAttribute("category", identity.getCategory());
out.writeAttribute("type", identity.getType());
if (identity.getName() != null)
out.writeAttribute("name", identity.getName());
out.writeEndElement(); // </identity>
}
}
DiscoFeature []featureList = discoInfo.getFeature();
if (featureList != null) {
for (DiscoFeature feature : featureList) {
out.writeStartElement("feature");
out.writeAttribute("var", feature.getVar());
out.writeEndElement(); // </feature>
}
}
out.writeEndElement(); // </query>
}
/**
* Deserializes the object from XML
*/
public Serializable fromXml(XmppStreamReader in)
throws IOException, XMLStreamException
{
boolean isFinest = log.isLoggable(Level.FINEST);
int tag = in.nextTag();
String node = in.getAttributeValue(null, "node");
DiscoInfoQuery discoInfo = new DiscoInfoQuery(node);
ArrayList<DiscoIdentity> identityList = new ArrayList<DiscoIdentity>();
ArrayList<DiscoFeature> featureList = new ArrayList<DiscoFeature>();
while (tag > 0) {
if (isFinest)
debug(in);
if (XMLStreamReader.END_ELEMENT == tag) {
discoInfo.setIdentityList(identityList);
discoInfo.setFeatureList(featureList);
return discoInfo;
}
if (XMLStreamReader.START_ELEMENT == tag
&& "feature".equals(in.getLocalName())) {
featureList.add(parseFeature(in));
}
else if (XMLStreamReader.START_ELEMENT == tag
&& "identity".equals(in.getLocalName())) {
identityList.add(parseIdentity(in));
}
else if (XMLStreamReader.START_ELEMENT == tag) {
log.finer(this + " <" + in.getLocalName() + "> is an unknown tag");
skipToEnd(in, in.getLocalName());
}
tag = in.nextTag();
}
return null;
}
/**
* Deserializes the object from XML
*/
public DiscoFeature parseFeature(XMLStreamReader in)
throws IOException, XMLStreamException
{
String var = in.getAttributeValue(null, "var");
skipToEnd(in, "feature");
return new DiscoFeature(var);
}
/**
* Deserializes the object from XML
*/
public DiscoIdentity parseIdentity(XMLStreamReader in)
throws IOException, XMLStreamException
{
String category = in.getAttributeValue(null, "category");
String type = in.getAttributeValue(null, "type");
String name = in.getAttributeValue(null, "name");
skipToEnd(in, "identity");
return new DiscoIdentity(category, type, name);
}
}