How to use

namespacePresent

method

in

org.apache.vysper.xml.fragment.XMLElementVerifier

public boolean verify(Stanza stanza) {
  if (stanza == null)
    return false;
  if (!getName().equals(stanza.getName()))
    return false;
  String namespaceURI = stanza.getNamespaceURI();
  if (namespaceURI == null)
    return false;
  XMLElementVerifier xmlElementVerifier = stanza.getVerifier();
  boolean clientCall = xmlElementVerifier.namespacePresent(NamespaceURIs.JABBER_CLIENT);
  boolean serverCall = xmlElementVerifier.namespacePresent(NamespaceURIs.JABBER_SERVER);
  return clientCall || serverCall;
}

protected boolean verifyInnerNamespace(Stanza stanza, String namespace) {
  XMLElementVerifier xmlElementVerifier = stanza.getVerifier();
  if (!xmlElementVerifier.subElementsPresentAtLeast(1))
    return false;
  List<XMLElement> innerElements = stanza.getInnerElements();
  XMLElement firstInnerElement = innerElements.get(0);
  return firstInnerElement.getVerifier().namespacePresent(namespace);
}

protected boolean verifyInnerNamespace(Stanza stanza, String namespace) {
  XMLElementVerifier xmlElementVerifier = stanza.getVerifier();
  if (!xmlElementVerifier.subElementsPresentAtLeast(1))
    return false;
  List<XMLElement> innerElements = stanza.getInnerElements();
  XMLElement firstInnerElement = innerElements.get(0);
  return firstInnerElement.getVerifier().namespacePresent(namespace);
}

public ResponseStanzaContainer execute(Stanza stanza, ServerRuntimeContext serverRuntimeContext,
    boolean isOutboundStanza, SessionContext sessionContext, SessionStateHolder sessionStateHolder) {
  XMLElementVerifier xmlElementVerifier = stanza.getVerifier();
  boolean tlsNamespace = xmlElementVerifier.namespacePresent(NamespaceURIs.URN_IETF_PARAMS_XML_NS_XMPP_TLS);
  if (!tlsNamespace) {
    return respondTLSFailure();
  }
  if (sessionStateHolder.getState() != SessionState.STARTED) {
    return respondTLSFailure();
  }
  Stanza responseStanza = new ServerResponses().getTLSProceed();
  // if all is correct, go to next phase
  sessionStateHolder.setState(SessionState.ENCRYPTION_STARTED);
  sessionContext.switchToTLS(true, false);
  return new ResponseStanzaContainerImpl(responseStanza);
}

public ResponseStanzaContainer execute(Stanza stanza, ServerRuntimeContext serverRuntimeContext,
    boolean isOutboundStanza, SessionContext sessionContext, SessionStateHolder sessionStateHolder)
    throws AuthorizationFailedException {
  if (!AuthorizationRetriesCounter.getFromSession(sessionContext).hasTriesLeft()) {
    AuthorizationFailedException failedException = new AuthorizationFailedException("too many retries");
    failedException.setErrorStanza(ServerErrorResponses.getStreamError(
        StreamErrorCondition.POLICY_VIOLATION, null, null, null));
    throw failedException;
  }
  XMLElementVerifier xmlElementVerifier = stanza.getVerifier();
  boolean saslNamespace = xmlElementVerifier.namespacePresent(NamespaceURIs.URN_IETF_PARAMS_XML_NS_XMPP_SASL);
  if (!saslNamespace) {
    return respondSASLFailure();
  }
  if (sessionStateHolder.getState() != SessionState.ENCRYPTED) {
    return respondSASLFailure();
  }
  return executeWorker(stanza, sessionContext, sessionStateHolder);
}

boolean jabberNamespace = NamespaceURIs.HTTP_ETHERX_JABBER_ORG_STREAMS.equals(stanza.getNamespaceURI());
boolean clientCall = xmlElementVerifier.namespacePresent(NamespaceURIs.JABBER_CLIENT);
boolean serverCall = xmlElementVerifier.namespacePresent(NamespaceURIs.JABBER_SERVER);

boolean jabberNamespace = NamespaceURIs.HTTP_ETHERX_JABBER_ORG_STREAMS.equals(stanza.getNamespaceURI());
boolean clientCall = xmlElementVerifier.namespacePresent(NamespaceURIs.JABBER_CLIENT);
boolean serverCall = xmlElementVerifier.namespacePresent(NamespaceURIs.JABBER_SERVER);