/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.voicemail.impl.mail;

/**
 * This exception is used for most types of failures that occur during server interactions.
 *
 * <p>Data passed through this exception should be considered non-localized. Any strings should
 * either be internal-only (for debugging) or server-generated.
 *
 * <p>TO DO: Does it make sense to further collapse AuthenticationFailedException and
 * CertificateValidationException and any others into this?
 */
public class MessagingException extends Exception {
  public static final long serialVersionUID = -1;

  public static final int NO_ERROR = -1;
  /** Any exception that does not specify a specific issue */
  public static final int UNSPECIFIED_EXCEPTION = 0;
  /** Connection or IO errors */
  public static final int IOERROR = 1;
  /** The configuration requested TLS but the server did not support it. */
  public static final int TLS_REQUIRED = 2;
  /** Authentication is required but the server did not support it. */
  public static final int AUTH_REQUIRED = 3;
  /** General security failures */
  public static final int GENERAL_SECURITY = 4;
  /** Authentication failed */
  public static final int AUTHENTICATION_FAILED = 5;
  /** Attempt to create duplicate account */
  public static final int DUPLICATE_ACCOUNT = 6;
  /** Required security policies reported - advisory only */
  public static final int SECURITY_POLICIES_REQUIRED = 7;
  /** Required security policies not supported */
  public static final int SECURITY_POLICIES_UNSUPPORTED = 8;
  /** The protocol (or protocol version) isn't supported */
  public static final int PROTOCOL_VERSION_UNSUPPORTED = 9;
  /** The server's SSL certificate couldn't be validated */
  public static final int CERTIFICATE_VALIDATION_ERROR = 10;
  /** Authentication failed during autodiscover */
  public static final int AUTODISCOVER_AUTHENTICATION_FAILED = 11;
  /** Autodiscover completed with a result (non-error) */
  public static final int AUTODISCOVER_AUTHENTICATION_RESULT = 12;
  /** Ambiguous failure; server error or bad credentials */
  public static final int AUTHENTICATION_FAILED_OR_SERVER_ERROR = 13;
  /** The server refused access */
  public static final int ACCESS_DENIED = 14;
  /** The server refused access */
  public static final int ATTACHMENT_NOT_FOUND = 15;
  /** A client SSL certificate is required for connections to the server */
  public static final int CLIENT_CERTIFICATE_REQUIRED = 16;
  /** The client SSL certificate specified is invalid */
  public static final int CLIENT_CERTIFICATE_ERROR = 17;
  /** The server indicates it does not support OAuth authentication */
  public static final int OAUTH_NOT_SUPPORTED = 18;
  /** The server indicates it experienced an internal error */
  public static final int SERVER_ERROR = 19;

  protected int exceptionType;
  // Exception type-specific data
  protected Object exceptionData;

  public MessagingException(String message, Throwable throwable) {
    this(UNSPECIFIED_EXCEPTION, message, throwable);
  }

  public MessagingException(int exceptionType, String message, Throwable throwable) {
    super(message, throwable);
    this.exceptionType = exceptionType;
    exceptionData = null;
  }

  /**
   * Constructs a MessagingException with an exceptionType and a null message.
   *
   * @param exceptionType The exception type to set for this exception.
   */
  public MessagingException(int exceptionType) {
    this(exceptionType, null, null);
  }

  /**
   * Constructs a MessagingException with a message.
   *
   * @param message the message for this exception
   */
  public MessagingException(String message) {
    this(UNSPECIFIED_EXCEPTION, message, null);
  }

  /**
   * Constructs a MessagingException with an exceptionType and a message.
   *
   * @param exceptionType The exception type to set for this exception.
   */
  public MessagingException(int exceptionType, String message) {
    this(exceptionType, message, null);
  }

  /**
   * Constructs a MessagingException with an exceptionType, a message, and data
   *
   * @param exceptionType The exception type to set for this exception.
   * @param message the message for the exception (or null)
   * @param data exception-type specific data for the exception (or null)
   */
  public MessagingException(int exceptionType, String message, Object data) {
    super(message);
    this.exceptionType = exceptionType;
    exceptionData = data;
  }

  /**
   * Return the exception type. Will be OTHER_EXCEPTION if not explicitly set.
   *
   * @return Returns the exception type.
   */
  public int getExceptionType() {
    return exceptionType;
  }
  /**
   * Return the exception data. Will be null if not explicitly set.
   *
   * @return Returns the exception data.
   */
  public Object getExceptionData() {
    return exceptionData;
  }
}