/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * */ package org.apache.vysper.xmpp.stanza; import org.apache.vysper.xml.fragment.XMLElementVerifier; import org.apache.vysper.xmpp.protocol.NamespaceURIs; /** * wraps an all-purpose stanza into a core stanza (iq, message, presence) * * @author The Apache MINA Project (dev@mina.apache.org) */ abstract public class XMPPCoreStanza extends Stanza { protected static boolean isOfType(Stanza stanza, String name) { boolean nameMatches = stanza != null && stanza.getName().equals(name); return nameMatches; } public static XMPPCoreStanza getWrapper(Stanza stanza) { if (stanza instanceof XMPPCoreStanza) return (XMPPCoreStanza) stanza; if (IQStanza.isOfType(stanza)) return new IQStanza(stanza); if (MessageStanza.isOfType(stanza)) return new MessageStanza(stanza); if (PresenceStanza.isOfType(stanza)) return new PresenceStanza(stanza); return null; } public XMPPCoreStanza(Stanza stanza) { super(stanza.getNamespaceURI(), stanza.getName(), stanza.getNamespacePrefix(), stanza.getAttributes(), stanza .getInnerFragments()); } @Override public XMLElementVerifier getVerifier() { if (xmlElementVerifier == null) xmlElementVerifier = new XMPPCoreStanzaVerifier(this); return xmlElementVerifier; } public XMPPCoreStanzaVerifier getCoreVerifier() { return (XMPPCoreStanzaVerifier) getVerifier(); } @Override abstract public String getName(); public String getType() { return getAttributeValue("type"); } public String getID() { return getAttributeValue("id"); } public boolean isError() { return "error".equals(getType()); } public boolean isServerCall() { return getNamespaceURI().equals(NamespaceURIs.JABBER_SERVER); } }