public CCZHeader(final byte[] pData) {
this.mDataByteBuffer = ByteBuffer.wrap(pData);
this.mDataByteBuffer.rewind();
this.mDataByteBuffer.order(ByteOrder.BIG_ENDIAN);
/* Check magic bytes. */
if (!ArrayUtils.equals(
pData, 0, CCZHeader.MAGIC_IDENTIFIER, 0, CCZHeader.MAGIC_IDENTIFIER.length)) {
throw new IllegalArgumentException("Invalid " + this.getClass().getSimpleName() + "!");
}
// TODO Check the version?
this.mCCZCompressionFormat = CCZCompressionFormat.fromID(this.getCCZCompressionFormatID());
}
/** @param pData */
public PVRTextureHeader(final byte[] pData) {
this.mDataByteBuffer = ByteBuffer.wrap(pData);
this.mDataByteBuffer.rewind();
this.mDataByteBuffer.order(ByteOrder.LITTLE_ENDIAN);
/* Check magic bytes. */
if (!ArrayUtils.equals(
pData,
11 * DataConstants.BYTES_PER_INT,
PVRTextureHeader.MAGIC_IDENTIFIER,
0,
PVRTextureHeader.MAGIC_IDENTIFIER.length)) {
throw new IllegalArgumentException("Invalid " + this.getClass().getSimpleName() + "!");
}
this.mPVRTextureFormat =
PVRTextureFormat.fromID(this.getFlags() & PVRTextureHeader.FORMAT_FLAG_MASK);
}
/**
* @return prefers to return an IPv4 address if found, otherwise an IPv6 address.
* @throws org.andengine.util.WifiUtils.WifiUtilsException
*/
@TargetApi(Build.VERSION_CODES.GINGERBREAD)
public static byte[] getWifiHotspotIPAddressRaw() throws WifiUtilsException {
try {
byte[] ipv6Address = null;
final Enumeration<NetworkInterface> networkInterfaceEnumeration =
NetworkInterface.getNetworkInterfaces();
while (networkInterfaceEnumeration.hasMoreElements()) {
final NetworkInterface networkInterface = networkInterfaceEnumeration.nextElement();
if (SystemUtils.isAndroidVersionOrLower(Build.VERSION_CODES.FROYO)
|| !networkInterface.isLoopback()) {
final String networkInterfaceName = networkInterface.getName();
if (ArrayUtils.contains(WifiUtils.HOTSPOT_NETWORKINTERFACE_NAMES, networkInterfaceName)) {
final Enumeration<InetAddress> inetAddressEnumeration =
networkInterface.getInetAddresses();
while (inetAddressEnumeration.hasMoreElements()) {
final InetAddress inetAddress = inetAddressEnumeration.nextElement();
if (!inetAddress.isLoopbackAddress()) {
final byte[] ipAddress = inetAddress.getAddress();
if (ipAddress.length == IPUtils.IPV4_LENGTH) {
return ipAddress;
} else {
ipv6Address = ipAddress;
}
}
}
}
}
}
if (ipv6Address != null) {
return ipv6Address;
} else {
throw new WifiUtilsException(
"No IP bound to '" + Arrays.toString(WifiUtils.HOTSPOT_NETWORKINTERFACE_NAMES) + "'!");
}
} catch (final SocketException e) {
throw new WifiUtilsException("Unexpected error!", e);
}
}
