Java tutorial
/* * Copyright 2013 - 2013 Cole Wen * * Licensed 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.maodian.flyingcat.xmpp.codec; import javax.xml.stream.XMLStreamConstants; import javax.xml.stream.XMLStreamException; import javax.xml.stream.XMLStreamReader; import javax.xml.stream.XMLStreamWriter; import org.maodian.flyingcat.xmpp.XmppNamespace; import org.maodian.flyingcat.xmpp.entity.InfoQuery; import org.maodian.flyingcat.xmpp.entity.Session; import org.maodian.flyingcat.xmpp.state.StreamError; import org.maodian.flyingcat.xmpp.state.XmppContext; import org.maodian.flyingcat.xmpp.state.XmppException; import org.springframework.stereotype.Component; /** * @author Cole Wen * */ @Component public class SessionCodec extends AbstractCodec implements InfoQueryProcessor { /* (non-Javadoc) * @see org.maodian.flycat.xmpp.codec.Decoder#decode(javax.xml.stream.XMLStreamReader) */ @Override public Object decode(XMLStreamReader xmlsr) { try { xmlsr.require(XMLStreamConstants.START_ELEMENT, XmppNamespace.SESSION, "session"); return new Session(); } catch (XMLStreamException e) { throw new XmppException(e, StreamError.INVALID_XML); } } /* (non-Javadoc) * @see org.maodian.flycat.xmpp.codec.Encoder#encode(java.lang.Object, javax.xml.stream.XMLStreamWriter) */ @Override public void encode(Object object, XMLStreamWriter xmlsw) throws XMLStreamException { throw new UnsupportedOperationException("Session doesnot need to be encode"); } /* (non-Javadoc) * @see org.maodian.flycat.xmpp.codec.Processor#process(java.lang.Object) */ @Override public Object processGet(XmppContext context, InfoQuery iq) { throw new UnsupportedOperationException(); } /* (non-Javadoc) * @see org.maodian.flycat.xmpp.codec.InfoQueryProcessor#processSet(org.maodian.flycat.xmpp.state.XmppContext, org.maodian.flycat.xmpp.InfoQuery) */ @Override public Object processSet(XmppContext context, InfoQuery iq) { return null; } }