Android Open Source - bitfynd-wallet-android Bluetooth

From Project

Back to project page bitfynd-wallet-android.

License

The source code is released under:

GNU General Public License

If you think the Android project bitfynd-wallet-android listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

/*
 * Copyright 2013-2014 the original author or authors.
 *//from  w ww .  jav  a  2s. c  o m
 * This program 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package de.schildbach.wallet.util;

import java.util.UUID;

import javax.annotation.Nonnull;

/**
 * @author Andreas Schildbach
 */
public class Bluetooth
{
  /** Used for local fetching of BIP70 payment requests. */
  public static final UUID PAYMENT_REQUESTS_UUID = UUID.fromString("3357A7BB-762D-464A-8D9A-DCA592D57D59");
  /** Used for talking BIP70 payment messages and payment acks locally. */
  public static final UUID BIP70_PAYMENT_PROTOCOL_UUID = UUID.fromString("3357A7BB-762D-464A-8D9A-DCA592D57D5A");
  public static final String BIP70_PAYMENT_PROTOCOL_NAME = "Bitcoin BIP70 payment protocol";
  /** Used for talking the deprecated pre-BIP70 payment protocol. */
  public static final UUID CLASSIC_PAYMENT_PROTOCOL_UUID = UUID.fromString("3357A7BB-762D-464A-8D9A-DCA592D57D5B");
  public static final String CLASSIC_PAYMENT_PROTOCOL_NAME = "Bitcoin classic payment protocol (deprecated)";
  /** This URI parameter holds the MAC address for the deprecated pre-BIP70 payment protocol. */
  public static final String MAC_URI_PARAM = "bt";

  public static String compressMac(@Nonnull final String mac)
  {
    return mac.replaceAll(":", "");
  }

  public static String decompressMac(@Nonnull final String compressedMac)
  {
    final StringBuilder mac = new StringBuilder();
    for (int i = 0; i < compressedMac.length(); i += 2)
      mac.append(compressedMac.substring(i, i + 2)).append(':');
    mac.setLength(mac.length() - 1);

    return mac.toString();
  }

  public static boolean isBluetoothUrl(final String url)
  {
    return url != null && GenericUtils.startsWithIgnoreCase(url, "bt:");
  }

  public static String getBluetoothMac(final String url)
  {
    if (!isBluetoothUrl(url))
      throw new IllegalArgumentException(url);

    final int queryIndex = url.indexOf('/');
    if (queryIndex != -1)
      return url.substring(3, queryIndex);
    else
      return url.substring(3);
  }

  public static String getBluetoothQuery(final String url)
  {
    if (!isBluetoothUrl(url))
      throw new IllegalArgumentException(url);

    final int queryIndex = url.indexOf('/');
    if (queryIndex != -1)
      return url.substring(queryIndex);
    else
      return "/";
  }
}

Java Source Code List