/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
 * or http://forgerock.org/license/CDDLv1.0.html.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at legal-notices/CDDLv1_0.txt.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information:
 *      Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 *
 *
 *      Copyright 2008 Sun Microsystems, Inc.
 *      Portions Copyright 2014 ForgeRock AS
 */

package org.opends.quicksetup;

import org.opends.quicksetup.event.ProgressNotifier;
import org.opends.quicksetup.util.ProgressMessageFormatter;

import com.forgerock.opendj.cli.ClientException;

/**
 * Represents a quick setup CLI application.
 */
public interface CliApplication extends ProgressNotifier, Runnable {

  /**
   * Creates a set of user data from command line arguments and installation
   * status.
   *
   * @param launcher
   *          that launched this application
   * @return UserData object populated to reflect the input args and status
   * @throws UserDataException
   *           if something is wrong with the data provided by the user
   * @throws ApplicationException
   *           if there is an application specific problem
   * @throws ClientException
   *           If an error occurs when creating the data.
   */
  UserData createUserData(Launcher launcher)
          throws UserDataException, ApplicationException, ClientException;

  /**
   * Gets the user data this application will use when running.
   * @return UserData to use when running
   */
  UserData getUserData();


  /**
   * Sets the user data this application will use when running.
   * @param userData UserData to use when running
   */
  void setUserData(UserData userData);

  /**
   * Sets the formatter that will be used to format messages.
   * @param formatter ProgressMessageFormatter used to format messages
   */
  void setProgressMessageFormatter(ProgressMessageFormatter formatter);

  /**
   * Gets any exception that happened while this application was running.
   * A null value returned from this method indicates that the execution
   * of the CLI program is not complete or was successful.
   * @return an exception that happened while the CLI was running
   */
  ApplicationException getRunError();

  /**
   * Gets the return code to return to the console.
   * @return return code to return;  if null the return code indicated in the
   *         error returned by <code>getRunError</code> will be used.
   */
  ReturnCode getReturnCode();
}