src/net/fortuna/ical4j/util/InetAddressHostInfo.java@fb9019fb1bf7 (annotated)
src/net/fortuna/ical4j/util/InetAddressHostInfo.java
Tue, 10 Feb 2015 18:12:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 10 Feb 2015 18:12:00 +0100
- changeset 0
- fb9019fb1bf7
- permissions
- -rw-r--r--
Import initial revisions of existing project AndroidCaldavSyncAdapater,
forked from upstream repository at 27e8a0f8495c92e0780d450bdf0c7cec77a03a55.
| michael@0 | 1 | /** |
| michael@0 | 2 | * Copyright (c) 2012, Ben Fortuna |
| michael@0 | 3 | * All rights reserved. |
| michael@0 | 4 | * |
| michael@0 | 5 | * Redistribution and use in source and binary forms, with or without |
| michael@0 | 6 | * modification, are permitted provided that the following conditions |
| michael@0 | 7 | * are met: |
| michael@0 | 8 | * |
| michael@0 | 9 | * o Redistributions of source code must retain the above copyright |
| michael@0 | 10 | * notice, this list of conditions and the following disclaimer. |
| michael@0 | 11 | * |
| michael@0 | 12 | * o Redistributions in binary form must reproduce the above copyright |
| michael@0 | 13 | * notice, this list of conditions and the following disclaimer in the |
| michael@0 | 14 | * documentation and/or other materials provided with the distribution. |
| michael@0 | 15 | * |
| michael@0 | 16 | * o Neither the name of Ben Fortuna nor the names of any other contributors |
| michael@0 | 17 | * may be used to endorse or promote products derived from this software |
| michael@0 | 18 | * without specific prior written permission. |
| michael@0 | 19 | * |
| michael@0 | 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| michael@0 | 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| michael@0 | 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| michael@0 | 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| michael@0 | 24 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| michael@0 | 25 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| michael@0 | 26 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| michael@0 | 27 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| michael@0 | 28 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| michael@0 | 29 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| michael@0 | 30 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| michael@0 | 31 | */ |
| michael@0 | 32 | package net.fortuna.ical4j.util; |
| michael@0 | 33 | |
| michael@0 | 34 | import java.net.InetAddress; |
| michael@0 | 35 | import java.net.NetworkInterface; |
| michael@0 | 36 | import java.net.SocketException; |
| michael@0 | 37 | import java.util.Enumeration; |
| michael@0 | 38 | |
| michael@0 | 39 | /** |
| michael@0 | 40 | * @author fortuna |
| michael@0 | 41 | * |
| michael@0 | 42 | */ |
| michael@0 | 43 | public class InetAddressHostInfo implements HostInfo { |
| michael@0 | 44 | |
| michael@0 | 45 | private final InetAddress hostAddress; |
| michael@0 | 46 | |
| michael@0 | 47 | /** |
| michael@0 | 48 | * @throws SocketException where an error occurs identifying the host address |
| michael@0 | 49 | */ |
| michael@0 | 50 | public InetAddressHostInfo() throws SocketException { |
| michael@0 | 51 | this(findNonLoopbackAddress()); |
| michael@0 | 52 | } |
| michael@0 | 53 | |
| michael@0 | 54 | /** |
| michael@0 | 55 | * @param address a host address |
| michael@0 | 56 | */ |
| michael@0 | 57 | public InetAddressHostInfo(InetAddress address) { |
| michael@0 | 58 | this.hostAddress = address; |
| michael@0 | 59 | } |
| michael@0 | 60 | |
| michael@0 | 61 | /** |
| michael@0 | 62 | * {@inheritDoc} |
| michael@0 | 63 | */ |
| michael@0 | 64 | public String getHostName() { |
| michael@0 | 65 | return hostAddress.getHostName(); |
| michael@0 | 66 | } |
| michael@0 | 67 | |
| michael@0 | 68 | /** |
| michael@0 | 69 | * Find a non loopback address for this machine on which to start the server. |
| michael@0 | 70 | * @return a non loopback address |
| michael@0 | 71 | * @throws SocketException if a socket error occurs |
| michael@0 | 72 | */ |
| michael@0 | 73 | private static InetAddress findNonLoopbackAddress() throws SocketException { |
| michael@0 | 74 | final Enumeration enumInterfaceAddress = NetworkInterface.getNetworkInterfaces(); |
| michael@0 | 75 | while (enumInterfaceAddress.hasMoreElements()) { |
| michael@0 | 76 | final NetworkInterface netIf = (NetworkInterface) enumInterfaceAddress.nextElement(); |
| michael@0 | 77 | |
| michael@0 | 78 | // Iterate over inet address |
| michael@0 | 79 | final Enumeration enumInetAdress = netIf.getInetAddresses(); |
| michael@0 | 80 | while (enumInetAdress.hasMoreElements()) { |
| michael@0 | 81 | final InetAddress address = (InetAddress) enumInetAdress.nextElement(); |
| michael@0 | 82 | if (!address.isLoopbackAddress()) { |
| michael@0 | 83 | return address; |
| michael@0 | 84 | } |
| michael@0 | 85 | } |
| michael@0 | 86 | } |
| michael@0 | 87 | return null; |
| michael@0 | 88 | } |
| michael@0 | 89 | |
| michael@0 | 90 | } |
