server/core/src/main/java/org/apache/vysper/xmpp/stanza/XMPPCoreStanzaVerifier.java

/*
 *  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;

/**
 *
 * @author The Apache MINA Project (dev@mina.apache.org)
 */
public class XMPPCoreStanzaVerifier extends XMLElementVerifier {

    XMPPCoreStanzaVerifier(Stanza element) {
        super(element);
    }

    public boolean isInterServerCall() {
        boolean clientCall = namespacePresent(NamespaceURIs.JABBER_CLIENT);
        boolean serverCall = namespacePresent(NamespaceURIs.JABBER_SERVER);

        if (clientCall && serverCall)
            serverCall = false; // silently ignore ambiguous attributes
        return serverCall;
    }

}