PrintNetworkInterfaces.java

/*
 * Copyright 2015 McDowell
 *
 * 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 uk.kludje.test.sample.collect;

import uk.kludje.experimental.collect.LambdaIterators;

import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;
import java.util.Iterator;

public class PrintNetworkInterfaces {

  public static <E> Iterator<E> asIterator(Enumeration<E> enumeration) {
    return LambdaIterators.iterator(enumeration::hasMoreElements, enumeration::nextElement);
  }

  public static void main(String[] args) throws SocketException {
    Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
    asIterator(interfaces).forEachRemaining(System.out::println);
  }
}