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Signal Service communication library for Java

There is a newer version: 2.15.3

/**
 * Copyright (C) 2014-2016 Open Whisper Systems
 *
 * Licensed according to the LICENSE file in this repository.
 */

package org.whispersystems.signalservice.api.push;

import org.whispersystems.libsignal.util.guava.Optional;

/**
 * A class representing a message destination or origin.
 */
public class SignalServiceAddress {

  public static final int DEFAULT_DEVICE_ID = 1;

  private final String e164number;
  private final Optional relay;

  /**
   * Construct a PushAddress.
   *
   * @param e164number The Signal Service username of this destination (eg e164 representation of a phone number).
   * @param relay The Signal SErvicefederated server this user is registered with (if not your own server).
   */
  public SignalServiceAddress(String e164number, Optional relay) {
    this.e164number  = e164number;
    this.relay       = relay;
  }

  public SignalServiceAddress(String e164number) {
    this(e164number, Optional.absent());
  }

  public String getNumber() {
    return e164number;
  }

  public Optional getRelay() {
    return relay;
  }

  @Override
  public boolean equals(Object other) {
    if (other == null || !(other instanceof SignalServiceAddress)) return false;

    SignalServiceAddress that = (SignalServiceAddress)other;

    return equals(this.e164number, that.e164number) &&
           equals(this.relay, that.relay);
  }

  @Override
  public int hashCode() {
    int hashCode = 0;

    if (this.e164number != null) hashCode ^= this.e164number.hashCode();
    if (this.relay.isPresent())  hashCode ^= this.relay.get().hashCode();

    return hashCode;
  }

  private boolean equals(String one, String two) {
    if (one == null) return two == null;
    return one.equals(two);
  }

  private boolean equals(Optional one, Optional two) {
    if (one.isPresent()) return two.isPresent() && one.get().equals(two.get());
    else                 return !two.isPresent();
  }
}