diff -r 000000000000 -r fb9019fb1bf7 src/net/fortuna/ical4j/util/InetAddressHostInfo.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/net/fortuna/ical4j/util/InetAddressHostInfo.java Tue Feb 10 18:12:00 2015 +0100 @@ -0,0 +1,90 @@ +/** + * Copyright (c) 2012, Ben Fortuna + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * o Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * o Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * o Neither the name of Ben Fortuna nor the names of any other contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +package net.fortuna.ical4j.util; + +import java.net.InetAddress; +import java.net.NetworkInterface; +import java.net.SocketException; +import java.util.Enumeration; + +/** + * @author fortuna + * + */ +public class InetAddressHostInfo implements HostInfo { + + private final InetAddress hostAddress; + + /** + * @throws SocketException where an error occurs identifying the host address + */ + public InetAddressHostInfo() throws SocketException { + this(findNonLoopbackAddress()); + } + + /** + * @param address a host address + */ + public InetAddressHostInfo(InetAddress address) { + this.hostAddress = address; + } + + /** + * {@inheritDoc} + */ + public String getHostName() { + return hostAddress.getHostName(); + } + + /** + * Find a non loopback address for this machine on which to start the server. + * @return a non loopback address + * @throws SocketException if a socket error occurs + */ + private static InetAddress findNonLoopbackAddress() throws SocketException { + final Enumeration enumInterfaceAddress = NetworkInterface.getNetworkInterfaces(); + while (enumInterfaceAddress.hasMoreElements()) { + final NetworkInterface netIf = (NetworkInterface) enumInterfaceAddress.nextElement(); + + // Iterate over inet address + final Enumeration enumInetAdress = netIf.getInetAddresses(); + while (enumInetAdress.hasMoreElements()) { + final InetAddress address = (InetAddress) enumInetAdress.nextElement(); + if (!address.isLoopbackAddress()) { + return address; + } + } + } + return null; + } + +}