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Diffstat (limited to 'app/src/main/java/se/leap/bitmaskclient/utils/IPAddress.java')
-rw-r--r-- | app/src/main/java/se/leap/bitmaskclient/utils/IPAddress.java | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/app/src/main/java/se/leap/bitmaskclient/utils/IPAddress.java b/app/src/main/java/se/leap/bitmaskclient/utils/IPAddress.java deleted file mode 100644 index 2e3ef596..00000000 --- a/app/src/main/java/se/leap/bitmaskclient/utils/IPAddress.java +++ /dev/null @@ -1,102 +0,0 @@ -package se.leap.bitmaskclient.utils; - -/* - * Copyright (C) 2006-2008 Alfresco Software Limited. - * - * 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 2 - * 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, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - - * As a special exception to the terms and conditions of version 2.0 of - * the GPL, you may redistribute this Program in connection with Free/Libre - * and Open Source Software ("FLOSS") applications as described in Alfresco's - * FLOSS exception. You should have recieved a copy of the text describing - * the FLOSS exception, and it is also available here: - * http://www.alfresco.com/legal/licensing" - */ - -import java.util.StringTokenizer; - -/** - * TCP/IP Address Utility Class - * - * @author gkspencer - */ -public class IPAddress { - - - /** - * Convert a TCP/IP address string into a byte array - * - * @param addr String - * @return byte[] - */ - public static byte[] asBytes(String addr) { - - // Convert the TCP/IP address string to an integer value - int ipInt = parseNumericAddress(addr); - if (ipInt == 0) - return null; - - // Convert to bytes - byte[] ipByts = new byte[4]; - - ipByts[3] = (byte) (ipInt & 0xFF); - ipByts[2] = (byte) ((ipInt >> 8) & 0xFF); - ipByts[1] = (byte) ((ipInt >> 16) & 0xFF); - ipByts[0] = (byte) ((ipInt >> 24) & 0xFF); - - // Return the TCP/IP bytes - return ipByts; - } - /** - * Check if the specified address is a valid numeric TCP/IP address and return as an integer value - * - * @param ipaddr String - * @return int - */ - private static int parseNumericAddress(String ipaddr) { - - // Check if the string is valid - if (ipaddr == null || ipaddr.length() < 7 || ipaddr.length() > 15) - return 0; - - // Check the address string, should be n.n.n.n format - StringTokenizer token = new StringTokenizer(ipaddr,"."); - if (token.countTokens() != 4) - return 0; - - int ipInt = 0; - while (token.hasMoreTokens()) { - - // Get the current token and convert to an integer value - String ipNum = token.nextToken(); - - try { - // Validate the current address part - int ipVal = Integer.valueOf(ipNum).intValue(); - if (ipVal < 0 || ipVal > 255) - return 0; - - // Add to the integer address - ipInt = (ipInt << 8) + ipVal; - } - catch (NumberFormatException ex) { - return 0; - } - } - - // Return the integer address - return ipInt; - } -}
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