SetupKegbotUrlStep.java

/*
 * Copyright 2014 Bevbot LLC <info@bevbot.com>
 *
 * This file is part of the Kegtab package from the Kegbot project. For
 * more information on Kegtab or Kegbot, see <http://kegbot.org/>.
 *
 * Kegtab is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free
 * Software Foundation, version 2.
 *
 * Kegtab is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with Kegtab. If not, see <http://www.gnu.org/licenses/>.
 */

package org.kegbot.app.setup;

import android.app.Fragment;

import com.google.common.base.Strings;

import org.kegbot.api.KegbotApiException;
import org.kegbot.api.KegbotApiImpl;
import org.kegbot.app.R;

public class SetupKegbotUrlStep extends SetupStep {

  private final SetupKegbotUrlFragment mControlsFragment = new SetupKegbotUrlFragment();

  public SetupKegbotUrlStep(SetupActivity.SetupState state) {
    super(state);
  }

  @Override
  public Fragment getContentFragment() {
    return SetupTextFragment.withText(R.string.setup_kegbot_url_title,
        R.string.setup_kegbot_url_description);
  }

  @Override
  public Fragment getControlsFragment() {
    return mControlsFragment;
  }

  @Override
  public SetupStep advance() throws SetupValidationException {
    final String error = mControlsFragment.validate();
    if (!Strings.isNullOrEmpty(error)) {
      mControlsFragment.onValidationFailed();
      throw new SetupValidationException(error);
    }

    final KegbotApiImpl api = KegbotApiImpl.fromContext(mControlsFragment.getActivity());

    try {
      if (api.supportsDeviceLink()) {
        return new SetupPairStep(mState);
      }
      return new SetupLoginStep(mState);
    } catch (KegbotApiException e) {
      throw new SetupValidationException("Error connecting to server: " + SetupFragment.toHumanError(e));
    }
  }
}