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Core components to access jclouds services
/**
* Licensed to jclouds, Inc. (jclouds) under one or more
* contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. jclouds licenses this file
* to you 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.jclouds.util;
import static com.google.common.base.Preconditions.checkNotNull;
import javax.inject.Singleton;
import com.google.common.base.Predicate;
import com.google.common.base.Splitter;
import com.google.common.collect.Iterables;
import com.google.common.net.InetAddresses;
/**
*
*
* @author Adrian Cole
*/
public class InetAddresses2 {
@Singleton
public static enum IsPrivateIPAddress implements Predicate {
INSTANCE;
public boolean apply(String in) {
if (InetAddresses.isInetAddress(checkNotNull(in, "input address"))) {
// 24-bit Block (/8 prefix, 1/A) 10.0.0.0 10.255.255.255 16777216
if (in.indexOf("10.") == 0)
return true;
// 20-bit Block (/12 prefix, 16/B) 172.16.0.0 172.31.255.255 1048576
if (in.indexOf("172.") == 0) {
int second = Integer.parseInt(Iterables.get(Splitter.on('.').split(in), 1));
if (second >= 16 && second <= 31)
return true;
}
// 16-bit Block (/16 prefix, 256/C) 192.168.0.0 192.168.255.255 65536
if (in.indexOf("192.168.") == 0)
return true;
}
return false;
}
@Override
public String toString() {
return "isPrivateIPAddress()";
}
}
/**
* @return true if the input is an ip4 address and in one of the 3 reserved private blocks.
*/
public static boolean isPrivateIPAddress(String in) {
return IsPrivateIPAddress.INSTANCE.apply(in);
}
}
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