How to use

setAnswer

method

in

org.jivesoftware.smackx.xdata.Form

/**
 * Set if the room is members only. Rooms are not members only per default.
 *
 * @param isMembersOnly if the room should be members only.
 * @return a reference to this object.
 * @throws MucConfigurationNotSupportedException
 */
public MucConfigFormManager setMembersOnly(boolean isMembersOnly) throws MucConfigurationNotSupportedException {
  if (!supportsMembersOnly()) {
    throw new MucConfigurationNotSupportedException(MUC_ROOMCONFIG_MEMBERSONLY);
  }
  answerForm.setAnswer(MUC_ROOMCONFIG_MEMBERSONLY, isMembersOnly);
  return this;
}

/**
 * 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));
}

/**
 * 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);
}

  /**
   * Submit the configuration as {@link Form} to the room.
   *
   * @throws NoResponseException if there was no response from the room.
   * @throws XMPPErrorException
   * @throws NotConnectedException
   * @throws InterruptedException
   */
  public void submitConfigurationForm() throws NoResponseException, XMPPErrorException, NotConnectedException,
          InterruptedException {
    if (owners != null) {
      answerForm.setAnswer(MUC_ROOMCONFIG_ROOMOWNERS, JidUtil.toStringList(owners));
    }
    multiUserChat.sendConfigurationForm(answerForm);
  }
}

/**
 * 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);
}

/**
 * Set if this room is password protected. Rooms are by default not password protected.
 *
 * @param isPasswordProtected
 * @return a reference to this object.
 * @throws MucConfigurationNotSupportedException
 */
public MucConfigFormManager setIsPasswordProtected(boolean isPasswordProtected)
        throws MucConfigurationNotSupportedException {
  if (!supportsMembersOnly()) {
    throw new MucConfigurationNotSupportedException(MUC_ROOMCONFIG_PASSWORDPROTECTEDROOM);
  }
  answerForm.setAnswer(MUC_ROOMCONFIG_PASSWORDPROTECTEDROOM, isPasswordProtected);
  return this;
}

/**
 * Set the room secret, aka the room password. If set and enabled, the password is required to
 * join the room. Note that this does only set it by does not enable password protection. Use
 * {@link #setAndEnablePassword(String)} to set a password and make the room protected.
 *
 * @param secret the secret/password.
 * @return a reference to this object.
 * @throws MucConfigurationNotSupportedException
 */
public MucConfigFormManager setRoomSecret(String secret)
        throws MucConfigurationNotSupportedException {
  if (!answerForm.hasField(MUC_ROOMCONFIG_ROOMSECRET)) {
    throw new MucConfigurationNotSupportedException(MUC_ROOMCONFIG_ROOMSECRET);
  }
  answerForm.setAnswer(MUC_ROOMCONFIG_ROOMSECRET, secret);
  return this;
}

  throw new IllegalArgumentException("This field is not of type String.");
setAnswer(field, value);

field.setType(FormField.Type.text_single);
form.addField(field);
form.setAnswer(name, value);

form.setAnswer(field.getVariable(), values);

  completedForm.setAnswer("name", true);
  fail("A boolean value was set to a field of type String");
completedForm.setAnswer("name", "Credit card number invalid");
completedForm.setAnswer(
  "description",
  "The ATM says that my credit card number is invalid. What's going on?");
completedForm.setAnswer("time", true);
completedForm.setAnswer("age", 20);

 muc.create(nickname);
Form form = muc.getConfigurationForm().createAnswerForm();
form.setAnswer("muc#roomconfig_roomowners", owners);
muc.sendConfigurationForm(form);

if( !chatRoom.isJoined() ){
   chatRoom.createOrJoin("your nickname");
   List<String> owners = new ArrayList<String>();
   owners.add("currUser@"+MYSITE);
   Form form = chatRoom.getConfigurationForm().createAnswerForm();
   form.setAnswer("muc#roomconfig_roomname", "your roomname");
   form.setAnswer("muc#roomconfig_roomowners", owners);
   form.setAnswer("muc#roomconfig_persistentroom", true);
   form.setAnswer("muc#roomconfig_publicroom", true);
   chatRoom.sendConfigurationForm(form);
 }

 erSearchManager search = new UserSearchManager(connection);
Form searchForm = search.getSearchForm("search."+connection.getServiceName());
Form answerForm = searchForm.createAnswerForm(); 
answerForm.setAnswer("Username", true);  
answerForm.setAnswer("search", name);//Here username must be added name replace by "amith"

MultiUserChat chatRoom = new MultiUserChat(connection, "room786@conference.dishaserver");
 chatRoom.create("nagarjuna");
 Form form = chatRoom.getConfigurationForm().createAnswerForm();
 form.setAnswer("muc#roomconfig_publicroom", true);
 form.setAnswer("muc#roomconfig_roomname", "room786");
 form.setAnswer("muc#roomconfig_roomowners",owners);
 form.setAnswer("muc#roomconfig_persistentroom", true);
 chatRoom.sendConfigurationForm(form);

 public Boolean checkIfUserExists(String user) throws XMPPException{
  UserSearchManager search = new UserSearchManager(xmppConnection);  
  Form searchForm = search.getSearchForm("search."+xmppConnection.getServiceName());
  Form answerForm = searchForm.createAnswerForm();  
  answerForm.setAnswer("Username", true);  
  answerForm.setAnswer("search", user);  
  ReportedData data = search.getSearchResults(answerForm,"search."+xmppConnection.getServiceName());  
  if (data.getRows() != null) {
    Iterator<Row> it = data.getRows();
    while (it.hasNext()) {
      Row row = it.next();
      Iterator iterator = row.getValues("jid");
      if (iterator.hasNext()) {
        String value = iterator.next().toString();
        System.out.println("Iteartor values...... " + value);
      }
    }
    return true;
  }
  return false;
}

 UserSearchManager usm= new UserSearchManager(xmpp.getConnection());
Form searchForm = usm.getSearchForm("search." +xmpp.getConnection().getServiceName());
Form answerForm = searchForm.createAnswerForm();
answerForm.setAnswer("Username", true);
answerForm.setAnswer("search", userName);
ReportedData data = usm
  .getSearchResults(answerForm, "search." + xmpp.getConnection().getServiceName());

if (data.getRows() != null) {
  for (ReportedData.Row row: data.getRows()) {
    for (String jid:row.getValues("jid")) {
    System.out.println(jid);
    }
  }
}

/**
 * Sends the Answer Form
 * @param answer <u>must be an answer-form</u>
 * @param chat
 */
private void sendAnswerForm(Form answer, MultiUserChat chat) {

ChatRoom room = SparkManager.getChatManager().getChatRoom(chat.getRoom().toString()); 

for (String key : _map.keySet()) {
  String value = getValueFromComponent(key);
  answer.setAnswer(key, value);
}
try {
  chat.sendRegistrationForm(answer);
  
  
  String reg = Res.getString("message.groupchat.registered.member", chat.getRoom());
  room.getTranscriptWindow().insertNotificationMessage(reg,ChatManager.NOTIFICATION_COLOR);
} catch (XMPPException | SmackException | InterruptedException e) {
  room.getTranscriptWindow().insertNotificationMessage(e.getMessage(),ChatManager.ERROR_COLOR);
}
}