/*
* Copyright 2010 NCHOVY
*
* 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 org.krakenapps.pcap.util;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.UnknownHostException;
/**
* @author xeraph
*/
public class IpConverter {
private IpConverter() {
}
public static int toInt(Inet4Address addr) {
byte[] b = addr.getAddress();
int l = 0;
for (int i = 0; i < 4; i++) {
l <<= 8;
l |= b[i] & 0xff;
}
return l;
}
public static InetAddress toInetAddress(int ipAddr) {
int copyAddr = ipAddr;
byte b1 = (byte) ((copyAddr >> 24) & 0xff);
byte b2 = (byte) ((copyAddr >> 16) & 0xff);
byte b3 = (byte) ((copyAddr >> 8) & 0xff);
byte b4 = (byte) (copyAddr & 0xff);
try {
return InetAddress.getByAddress(new byte[] { b1, b2, b3, b4 });
} catch (UnknownHostException e) {
e.printStackTrace();
}
return null;
}
}