Java Code Examples for org.jivesoftware.smackx.xdata.packet.DataForm#from()

private String getItemsToSearch() {
    StringBuilder buf = new StringBuilder();

    if (form == null) {
        form = DataForm.from(this);
    }

    if (form == null) {
        return "";
    }

    for (FormField field : form.getFields()) {
        String name = field.getFieldName();
        String value = getSingleValue(field);
        if (value.trim().length() > 0) {
            buf.append('<').append(name).append('>').append(value).append("</").append(name).append('>');
        }
    }

    return buf.toString();
}
 

private MamPrefsResult queryMamPrefs(MamPrefsIQ mamPrefsIQ) throws NoResponseException, XMPPErrorException,
        NotConnectedException, InterruptedException, NotLoggedInException {
    final XMPPConnection connection = getAuthenticatedConnectionOrThrow();

    MamPrefsIQ mamPrefsResultIQ = connection.createStanzaCollectorAndSend(mamPrefsIQ).nextResultOrThrow();

    return new MamPrefsResult(mamPrefsResultIQ, DataForm.from(mamPrefsIQ));
}
 

/**
 * Get Software Information from the provided XMPP address. Returns <code>null</code> in case the queried entity does not announce that information.
 *
 * @param jid jid to get software information from
 * @return {@link SoftwareInfoForm} Form containing software information or <code>null</code>.
 * @throws NoResponseException if there was no response from the remote entity
 * @throws XMPPErrorException if there was an XMPP error returned
 * @throws NotConnectedException if the XMPP connection is not connected
 * @throws InterruptedException if the calling thread was interrupted
 */
public SoftwareInfoForm fromJid(Jid jid) throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
    DiscoverInfo discoverInfo = serviceDiscoveryManager.discoverInfo(jid);
    DataForm dataForm = DataForm.from(discoverInfo, SoftwareInfoForm.FORM_TYPE);
    if (dataForm == null) {
        return null;
    }
    return SoftwareInfoForm.getBuilder()
                           .setDataForm(dataForm)
                           .build();
}
 

/**
 * Returns a new ReportedData if the stanza is used for reporting data and includes an
 * extension that matches the elementName and namespace "x","jabber:x:data".
 *
 * @param packet the stanza used for reporting data.
 * @return ReportedData from the packet if present, otherwise null.
 */
public static ReportedData getReportedDataFrom(Stanza packet) {
    // Check if the packet includes the DataForm extension
    DataForm dataForm = DataForm.from(packet);
    if (dataForm != null) {
        if (dataForm.getReportedData() != null)
            return new ReportedData(dataForm);
    }
    // Otherwise return null
    return null;
}
 

public static Form from(StanzaView stanzaView) {
    DataForm dataForm = DataForm.from(stanzaView);
    if (dataForm == null || dataForm.getType() != Type.form) {
        return null;
    }
    return new Form(dataForm);
}
 

private MamQuery queryArchive(MamQueryIQ mamQueryIq) throws NoResponseException, XMPPErrorException,
                NotConnectedException, InterruptedException, NotLoggedInException {
    MamQueryPage mamQueryPage = queryArchivePage(mamQueryIq);
    return new MamQuery(mamQueryPage, mamQueryIq.getNode(), DataForm.from(mamQueryIq));
}
 

/**
 * Returns the room's configuration form that the room's owner can use or <code>null</code> if
 * no configuration is possible. The configuration form allows to set the room's language,
 * enable logging, specify room's type, etc..
 *
 * @return the Form that contains the fields to complete together with the instrucions or
 * <code>null</code> if no configuration is possible.
 * @throws XMPPErrorException if an error occurs asking the configuration form for the room.
 * @throws NoResponseException if there was no response from the server.
 * @throws NotConnectedException if the XMPP connection is not connected.
 * @throws InterruptedException if the calling thread was interrupted.
 */
public Form getConfigurationForm() throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
    MUCOwner iq = new MUCOwner();
    iq.setTo(room);
    iq.setType(IQ.Type.get);

    IQ answer = connection.createStanzaCollectorAndSend(iq).nextResultOrThrow();
    DataForm dataForm = DataForm.from(answer, MucConfigFormManager.FORM_TYPE);
    return new Form(dataForm);
}
 

/**
 * Returns the room's registration form that an unaffiliated user, can use to become a member
 * of the room or <code>null</code> if no registration is possible. Some rooms may restrict the
 * privilege to register members and allow only room admins to add new members.<p>
 *
 * If the user requesting registration requirements is not allowed to register with the room
 * (e.g. because that privilege has been restricted), the room will return a "Not Allowed"
 * error to the user (error code 405).
 *
 * @return the registration Form that contains the fields to complete together with the
 * instrucions or <code>null</code> if no registration is possible.
 * @throws XMPPErrorException if an error occurs asking the registration form for the room or a
 * 405 error if the user is not allowed to register with the room.
 * @throws NoResponseException if there was no response from the server.
 * @throws NotConnectedException if the XMPP connection is not connected.
 * @throws InterruptedException if the calling thread was interrupted.
 */
public Form getRegistrationForm() throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
    Registration reg = new Registration();
    reg.setType(IQ.Type.get);
    reg.setTo(room);

    IQ result = connection.createStanzaCollectorAndSend(reg).nextResultOrThrow();
    DataForm dataForm = DataForm.from(result);
    return new Form(dataForm);
}
 

/**
 * Returns the form for all search fields supported by the search service.
 *
 * @param con           the current XMPPConnection.
 * @param searchService the search service to use. (ex. search.jivesoftware.com)
 * @return the search form received by the server.
 * @throws XMPPErrorException if there was an XMPP error returned.
 * @throws NoResponseException if there was no response from the remote entity.
 * @throws NotConnectedException if the XMPP connection is not connected.
 * @throws InterruptedException if the calling thread was interrupted.
 */
public DataForm getSearchForm(XMPPConnection con, DomainBareJid searchService) throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
    UserSearch search = new UserSearch();
    search.setType(IQ.Type.get);
    search.setTo(searchService);

    IQ response = con.createStanzaCollectorAndSend(search).nextResultOrThrow();
    return DataForm.from(response, NAMESPACE);
}
 

/**
 * Returns the number of offline messages for the user of the connection.
 *
 * @return the number of offline messages for the user of the connection.
 * @throws XMPPErrorException If the user is not allowed to make this request or the server does
 *                       not support offline message retrieval.
 * @throws NoResponseException if there was no response from the server.
 * @throws NotConnectedException if the XMPP connection is not connected.
 * @throws InterruptedException if the calling thread was interrupted.
 */
public int getMessageCount() throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
    DiscoverInfo info = serviceDiscoveryManager.discoverInfo(null, namespace);
    DataForm dataForm = DataForm.from(info, namespace);
    if (dataForm == null) {
        return 0;
    }
    String numberOfMessagesString = dataForm.getField("number_of_messages").getFirstValue();
    return Integer.parseInt(numberOfMessagesString);
}