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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/java/net/VMInetAddress.java | |
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Diffstat (limited to 'libjava/java/net/VMInetAddress.java')
-rw-r--r-- | libjava/java/net/VMInetAddress.java | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/libjava/java/net/VMInetAddress.java b/libjava/java/net/VMInetAddress.java new file mode 100644 index 000000000..a99c216b9 --- /dev/null +++ b/libjava/java/net/VMInetAddress.java @@ -0,0 +1,97 @@ +/* VMInetAddress.java -- Class to model an Internet address + Copyright (C) 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package java.net; + +import gnu.classpath.Configuration; + +import java.io.Serializable; + +class VMInetAddress implements Serializable +{ + static + { + if (Configuration.INIT_LOAD_LIBRARY) + System.loadLibrary("javanet"); + } + + /** + * This method looks up the hostname of the local machine + * we are on. If the actual hostname cannot be determined, then the + * value "localhost" will be used. This native method wrappers the + * "gethostname" function. + * + * @return The local hostname. + */ + public static native String getLocalHostname(); + + /** + * Returns the value of the special address INADDR_ANY + */ + public static native byte[] lookupInaddrAny() throws UnknownHostException; + + /** + * This method returns the hostname for a given IP address. It will + * throw an UnknownHostException if the hostname cannot be determined. + * + * @param ip The IP address as a byte array + * + * @return The hostname + * + * @exception UnknownHostException If the reverse lookup fails + */ + public static native String getHostByAddr(byte[] ip) + throws UnknownHostException; + + /** + * Returns a list of all IP addresses for a given hostname. Will throw + * an UnknownHostException if the hostname cannot be resolved. + */ + public static native byte[][] getHostByName(String hostname) + throws UnknownHostException; + + /** + * Return the IP address represented by a literal address. + * Will return null if the literal address is not valid. + * + * @param address the name of the host + * + * @return The IP address as a byte array + */ + public static native byte[] aton(String address); +} |