How to use

getField

method

in

org.jivesoftware.smackx.xdata.Form

/**
 * Sets a new boolean value to a given form's field. The field whose variable matches the
 * requested variable will be completed with the specified value. If no field could be found
 * for the specified variable then an exception will be raised.
 *
 * @param variable the variable name that was completed.
 * @param value the boolean value that was answered.
 * @throws IllegalStateException if the form is not of type "submit".
 * @throws IllegalArgumentException if the form does not include the specified variable or
 *      if the answer type does not correspond with the field type.
 */
public void setAnswer(String variable, boolean value) {
  FormField field = getField(variable);
  if (field == null) {
    throw new IllegalArgumentException("Field not found for the specified variable name.");
  }
  if (field.getType() != FormField.Type.bool) {
    throw new IllegalArgumentException("This field is not of type boolean.");
  }
  setAnswer(field, Boolean.toString(value));
}

List<CharSequence> ownerStrings = answerForm.getField(MUC_ROOMCONFIG_ROOMOWNERS).getValues();
owners = new ArrayList<>(ownerStrings.size());
JidUtil.jidsFrom(ownerStrings, owners, null);

/**
 * Sets a new int value to a given form's field. The field whose variable matches the
 * requested variable will be completed with the specified value. If no field could be found
 * for the specified variable then an exception will be raised.
 *
 * @param variable the variable name that was completed.
 * @param value the int value that was answered.
 * @throws IllegalStateException if the form is not of type "submit".
 * @throws IllegalArgumentException if the form does not include the specified variable or
 *      if the answer type does not correspond with the field type.
 */
public void setAnswer(String variable, int value) {
  FormField field = getField(variable);
  if (field == null) {
    throw new IllegalArgumentException("Field not found for the specified variable name.");
  }
  validateThatFieldIsText(field);
  setAnswer(field, value);
}

/**
 * Sets a new long value to a given form's field. The field whose variable matches the
 * requested variable will be completed with the specified value. If no field could be found
 * for the specified variable then an exception will be raised.
 *
 * @param variable the variable name that was completed.
 * @param value the long value that was answered.
 * @throws IllegalStateException if the form is not of type "submit".
 * @throws IllegalArgumentException if the form does not include the specified variable or
 *      if the answer type does not correspond with the field type.
 */
public void setAnswer(String variable, long value) {
  FormField field = getField(variable);
  if (field == null) {
    throw new IllegalArgumentException("Field not found for the specified variable name.");
  }
  validateThatFieldIsText(field);
  setAnswer(field, value);
}

/**
 * Sets a new float value to a given form's field. The field whose variable matches the
 * requested variable will be completed with the specified value. If no field could be found
 * for the specified variable then an exception will be raised.
 *
 * @param variable the variable name that was completed.
 * @param value the float value that was answered.
 * @throws IllegalStateException if the form is not of type "submit".
 * @throws IllegalArgumentException if the form does not include the specified variable or
 *      if the answer type does not correspond with the field type.
 */
public void setAnswer(String variable, float value) {
  FormField field = getField(variable);
  if (field == null) {
    throw new IllegalArgumentException("Field not found for the specified variable name.");
  }
  validateThatFieldIsText(field);
  setAnswer(field, value);
}

/**
 * Sets a new double value to a given form's field. The field whose variable matches the
 * requested variable will be completed with the specified value. If no field could be found
 * for the specified variable then an exception will be raised.
 *
 * @param variable the variable name that was completed.
 * @param value the double value that was answered.
 * @throws IllegalStateException if the form is not of type "submit".
 * @throws IllegalArgumentException if the form does not include the specified variable or
 *      if the answer type does not correspond with the field type.
 */
public void setAnswer(String variable, double value) {
  FormField field = getField(variable);
  if (field == null) {
    throw new IllegalArgumentException("Field not found for the specified variable name.");
  }
  validateThatFieldIsText(field);
  setAnswer(field, value);
}

FormField field = getField(variable);
if (field == null) {
  throw new IllegalArgumentException("Field not found for the specified variable name.");

public void addUser(final EntityBareJid userJid, final String password)
        throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
  RemoteCommand command = addUser();
  command.execute();
  Form answerForm = command.getForm().createAnswerForm();
  FormField accountJidField = answerForm.getField("accountjid");
  accountJidField.addValue(userJid.toString());
  FormField passwordField = answerForm.getField("password");
  passwordField.addValue(password);
  FormField passwordVerifyField = answerForm.getField("password-verify");
  passwordVerifyField.addValue(password);
  command.execute(answerForm);
  assert (command.isCompleted());
}

/**
 * Sets the default value as the value of a given form's field. The field whose variable matches
 * the requested variable will be completed with its default value. If no field could be found
 * for the specified variable then an exception will be raised.
 *
 * @param variable the variable to complete with its default value.
 * @throws IllegalStateException if the form is not of type "submit".
 * @throws IllegalArgumentException if the form does not include the specified variable.
 */
public void setDefaultAnswer(String variable) {
  if (!isSubmitType()) {
    throw new IllegalStateException("Cannot set an answer if the form is not of type " +
    "\"submit\"");
  }
  FormField field = getField(variable);
  if (field != null) {
    // Clear the old values
    field.resetValues();
    // Set the default value
    for (CharSequence value : field.getValues()) {
      field.addValue(value);
    }
  }
  else {
    throw new IllegalArgumentException("Couldn't find a field for the specified variable.");
  }
}

  "\"submit\"");
FormField field = getField(variable);
if (field != null) {

/**
 * 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
 * @throws InterruptedException
 */
public int getMessageCount() throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
  DiscoverInfo info = ServiceDiscoveryManager.getInstanceFor(connection).discoverInfo(null,
      namespace);
  Form extendedInfo = Form.getFormFrom(info);
  if (extendedInfo != null) {
    String value = extendedInfo.getField("number_of_messages").getFirstValue();
    return Integer.parseInt(value);
  }
  return 0;
}

FormField descField = form.getField("muc#roominfo_description");
if (descField != null && !descField.getValues().isEmpty()) {
FormField subjField = form.getField("muc#roominfo_subject");
if (subjField != null && !subjField.getValues().isEmpty()) {
  subject = subjField.getFirstValue();
FormField occCountField = form.getField("muc#roominfo_occupants");
if (occCountField != null && !occCountField.getValues().isEmpty()) {
  occupantsCount = Integer.parseInt(occCountField.getFirstValue());
FormField maxhistoryfetchField = form.getField("muc#maxhistoryfetch");
if (maxhistoryfetchField != null && !maxhistoryfetchField.getValues().isEmpty()) {
  maxhistoryfetch = Integer.parseInt(maxhistoryfetchField.getFirstValue());
FormField contactJidField = form.getField("muc#roominfo_contactjid");
if (contactJidField != null && !contactJidField.getValues().isEmpty()) {
  List<CharSequence> contactJidValues = contactJidField.getValues();
FormField langField = form.getField("muc#roominfo_lang");
if (langField != null && !langField.getValues().isEmpty()) {
  lang = langField.getFirstValue();
FormField ldapgroupField = form.getField("muc#roominfo_ldapgroup");
if (ldapgroupField != null && !ldapgroupField.getValues().isEmpty()) {
  ldapgroup = ldapgroupField.getFirstValue();
FormField subjectmodField = form.getField("muc#roominfo_subjectmod");
if (subjectmodField != null && !subjectmodField.getValues().isEmpty()) {

/**
 * Creates a node with specified configuration.
 *
 * Note: This is the only way to create a collection node.
 *
 * @param nodeId The name of the node, which must be unique within the
 * pubsub service
 * @param config The configuration for the node
 * @return The node that was created
 * @throws XMPPErrorException
 * @throws NoResponseException
 * @throws NotConnectedException
 * @throws InterruptedException
 */
public Node createNode(String nodeId, Form config) throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
  PubSub request = PubSub.createPubsubPacket(pubSubService, Type.set, new NodeExtension(PubSubElementType.CREATE, nodeId));
  boolean isLeafNode = true;
  if (config != null) {
    request.addExtension(new FormNode(FormNodeType.CONFIGURE, config));
    FormField nodeTypeField = config.getField(ConfigureNodeFields.node_type.getFieldName());
    if (nodeTypeField != null)
      isLeafNode = nodeTypeField.getValues().get(0).toString().equals(NodeType.leaf.toString());
  }
  // Errors will cause exceptions in getReply, so it only returns
  // on success.
  sendPubsubPacket(request);
  Node newNode = isLeafNode ? new LeafNode(this, nodeId) : new CollectionNode(this, nodeId);
  nodeMap.put(newNode.getId(), newNode);
  return newNode;
}

  public void deleteUser(Set<EntityBareJid> jidsToDelete)
          throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
    RemoteCommand command = deleteUser();
    command.execute();

    Form answerForm = command.getForm().createAnswerForm();

    FormField accountJids = answerForm.getField("accountjids");
    accountJids.addValues(JidUtil.toStringList(jidsToDelete));

    command.execute(answerForm);
    assert (command.isCompleted());
  }
}

assertNotNull(formToRespond.getField("name"));
assertNotNull(formToRespond.getField("description"));
assertNotNull(completedForm.getField("hidden_var"));
assertNotNull(completedForm.getField("name"));
assertNotNull(completedForm.getField("description"));
assertEquals(
   completedForm.getField("name").getValues().get(0).toString(),
  "Credit card number invalid");
assertNotNull(completedForm.getField("time"));
assertNotNull(completedForm.getField("age"));
assertEquals("The age is bad", "20", completedForm.getField("age").getValues().get(0).toString());

FormField whois = answer.getField(whoisFieldName);
if (whois == null)