Android Open Source - security-cam Client

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License

The source code is released under:

MIT License

Java Source Code

package berlin.reiche.securitas;
/*w w w.  java  2 s  .co m*/
import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import berlin.reiche.securitas.activities.MainActivity;
import berlin.reiche.securitas.activities.SettingsActivity;
import berlin.reiche.securitas.controller.ClientController;
import berlin.reiche.securitas.model.ClientModel;

/**
 * Locator class for referencing the main components.
 * 
 * @author Konrad Reiche
 * 
 */
public class Client {

  /**
   * Application model.
   */
  private static ClientModel model;

  /**
   * Application controller.
   */
  private static ClientController controller;

  /**
   * Application settings.
   */
  private static Settings settings;

  /**
   * Endpoint from the backend server in the form
   * <code>http://host:port</code>
   */
  private static String endpoint;

  /**
   * Whether the endpoint configuration is completed. Used to force the user
   * on the {@link SettingsActivity} otherwise.
   */
  private static boolean configured;

  /**
   * @return the application model.
   */
  public static ClientModel getModel() {
    return model;
  }

  /**
   * The application model should only be set, respectively created at one
   * point, that is the creation time of the {@link MainActivity}.
   * 
   * @param model
   *            the application model.
   */
  public static void setModel(ClientModel model) {
    Client.model = model;
  }

  /**
   * @return the application controller.
   */
  public static ClientController getController() {
    return controller;
  }

  /**
   * The application controller should only be set, respectively created at
   * one point, that is the creation time of the {@link MainActivity}.
   * 
   * @param controller
   *            the application controller.
   */
  public static void setController(ClientController controller) {
    Client.controller = controller;
  }

  /**
   * @return Endpoint from the backend server in the form
   *         <code>http://host:port</code>
   */
  public static String getEndpoint() {
    return endpoint;
  }

  /**
   * This method is private, since it only needs to be called once. That is
   * when the application settings are updated.
   * 
   * @param endpoint
   *            Endpoint from the backend server in the form
   *            <code>http://host:port</code>
   */
  private static void setEndpoint(String endpoint) {
    Client.endpoint = endpoint;
  }

  /**
   * @return the application settings.
   */
  public static Settings getSettings() {
    return settings;
  }

  /**
   * This method should be called when the settings are updated. That should
   * be the case after the {@link SettingsActivity} was processed.
   * 
   * @param context
   *            the context of the preferences whose values are wanted.
   * 
   * @return whether the settings for the backend are complete.
   */
  public static boolean updateSettings(Context context) {

    SharedPreferences sp = PreferenceManager
        .getDefaultSharedPreferences(context);

    String host = sp.getString(SettingsActivity.HOST, "");
    String port = sp.getString(SettingsActivity.PORT, "");
    String username = sp.getString(SettingsActivity.USER, "");
    String password = sp.getString(SettingsActivity.PASSWORD, "");
    String id = sp.getString(SettingsActivity.GCM_SENDER_ID, "");

    configured = !host.equals("") && !port.equals("")
        && !username.equals("") && !password.equals("")
        && !id.equals("");

    if (configured) {
      Client.settings = new Settings(host, port, username, password, id);
      setEndpoint("http://" + host + ":" + port);
    }
    return configured;
  }

  /**
   * Checks whether the endpoint is completely configured.
   * 
   * @param context
   *            the context of the preferences whose values are wanted.
   * @return whether the endpoint configuration is complete.
   */
  public static boolean isConfigured(Context context) {
    updateSettings(context);
    return configured;
  }

}

Java Source Code List

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