Android Open Source - SnapetsAndroid User Manager

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License

The source code is released under:

Apache License

Java Source Code

package com.keyconsultant.parse.logintutorial.model.user;
/*from ww w. j a  v a2  s.  c o  m*/
import com.keyconsultant.parse.logintutorial.model.manager.BaseManager;
import com.keyconsultant.parse.logintutorial.model.user.authenticate.AuthenticateUserErrorEvent;
import com.keyconsultant.parse.logintutorial.model.user.authenticate.AuthenticateUserStartEvent;
import com.keyconsultant.parse.logintutorial.model.user.authenticate.AuthenticateUserSuccessEvent;
import com.keyconsultant.parse.logintutorial.model.user.authenticate.UserForgotPasswordErrorEvent;
import com.keyconsultant.parse.logintutorial.model.user.authenticate.UserForgotPasswordStartEvent;
import com.keyconsultant.parse.logintutorial.model.user.authenticate.UserForgotPasswordSuccessEvent;
import com.parse.LogInCallback;
import com.parse.ParseException;
import com.parse.ParseUser;
import com.parse.RequestPasswordResetCallback;
import com.parse.SignUpCallback;
import com.squareup.otto.Produce;

/**
 * Manages user authentication and account updates
 * 
 * @author Trey Robinson
 * 
 */
public class UserManager extends BaseManager {

  private static UserManager mManager;

  public static UserManager getInstance() {
    if (mManager == null) {
      mManager = new UserManager();
    }

    return mManager;
  }

  /**
   * @return Current user
   */
  public ParseUser getUser() {
    return ParseUser.getCurrentUser();
  }

  /**
   * Authenticate the user
   * 
   * @param username
   *            Username for the account
   * @param password
   *            Password for the account
   */
  public void authenticate(String username, String password) {
    postEvent(produceUserSignInStartEvent());
    ParseUser.logInInBackground(username, password, new UserLogInCallback());
  }

  /**
   * Create new user. If the user email already exists an error will be
   * dispatched via the service bus
   * 
   * @param email
   *            The user email for the new account
   * @param password
   *            Password for the new account
   */
  public void signUp(String username, String email, String password) {
    User newUser = new User(username, email, password);
    postEvent(produceUserSignInStartEvent());
    newUser.signUpInBackground(new UserSignUpCallback(newUser));
  }

  /**
   * Dispatches a forgot password request. The request will send an email to the address if an account for that address exists. 
   * @param email
   *     Email for the account that has forgotten their password
   */
  public void forgotPassword(String email) {
    postEvent(new UserForgotPasswordStartEvent());
    ParseUser.requestPasswordResetInBackground(email, new UserForgotPasswordCallback());
  }

  /**
   * Creates an event notifying that authentication has begun
   * 
   * @return
   */
  @Produce
  public AuthenticateUserStartEvent produceUserSignInStartEvent() {
    return new AuthenticateUserStartEvent();
  }

  /**
   * Creates an event containing the signed in user
   * 
   * @param user
   *            User currently signed in
   * @return
   */
  @Produce
  public AuthenticateUserSuccessEvent produceUserSignInSuccessEvent(
      ParseUser user) {
    return new AuthenticateUserSuccessEvent(user);
  }

  /**
   * Creates an even for sign in errors
   * 
   * @return
   */
  @Produce
  public AuthenticateUserErrorEvent produceUserSignInErrorEvent(
      ParseException exception) {
    return new AuthenticateUserErrorEvent(exception);
  }
  
  /**
   * Creates an event notifying that forgot password has begun
   * 
   * @return
   */
  @Produce
  public UserForgotPasswordStartEvent produceUserForgotPasswordStartEvent() {
    return new UserForgotPasswordStartEvent();
  }
  
  /**
   * Creates an event for successful Forgot Password request
   * 
   * @param user
   *            User currently signed in
   * @return
   */
  @Produce
  public UserForgotPasswordSuccessEvent produceUserForgotPasswordSuccessEvent() {
    return new UserForgotPasswordSuccessEvent();
  }
  
  /**
   * Creates an event for failed Forgot Password attempt
   * 
   * @return
   */
  @Produce
  public UserForgotPasswordErrorEvent produceUserForgotPasswordErrorEvent(ParseException exception) {
    return new UserForgotPasswordErrorEvent(exception);
  }

  private class UserSignUpCallback extends SignUpCallback {

    User user;

    public UserSignUpCallback(User user) {
      this.user = user;
    }

    @Override
    public void done(ParseException e) {
      if (e == null) {
        postEvent(produceUserSignInSuccessEvent(user));
      } else {
        postEvent(produceUserSignInErrorEvent(e));
      }

    }
  }

  private class UserLogInCallback extends LogInCallback {

    public UserLogInCallback() {
      super();
    }

    @Override
    public void done(ParseUser user, ParseException e) {
      if (e == null) {
        postEvent(produceUserSignInSuccessEvent(user));
      } else {
        postEvent(produceUserSignInErrorEvent(e));
      }
    }
  }
  
  private class UserForgotPasswordCallback extends RequestPasswordResetCallback{
    public UserForgotPasswordCallback(){
      super();
    }
    
    @Override
    public void done(ParseException e) {
      if (e == null) {
        postEvent(produceUserForgotPasswordSuccessEvent());
      } else {
        postEvent(produceUserForgotPasswordErrorEvent(e));
      }
    }    
  }
}

Java Source Code List

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