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Diffstat (limited to 'libjava/java/net/NetworkInterface.java')
| -rw-r--r-- | libjava/java/net/NetworkInterface.java | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/libjava/java/net/NetworkInterface.java b/libjava/java/net/NetworkInterface.java deleted file mode 100644 index eccd2dac9fb..00000000000 --- a/libjava/java/net/NetworkInterface.java +++ /dev/null @@ -1,259 +0,0 @@ -/* NetworkInterface.java -- - Copyright (C) 2002, 2003, 2004, 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 java.util.Enumeration; -import java.util.Vector; - -/** - * This class models a network interface on the host computer. A network - * interface contains a name (typically associated with a specific - * hardware adapter) and a list of addresses that are bound to it. - * For example, an ethernet interface may be named "eth0" and have the - * address 192.168.1.101 assigned to it. - * - * @author Michael Koch (konqueror@gmx.de) - * @since 1.4 - */ -public final class NetworkInterface -{ - private String name; - private Vector inetAddresses; - - NetworkInterface(String name, InetAddress address) - { - this.name = name; - this.inetAddresses = new Vector(1, 1); - this.inetAddresses.add(address); - } - - NetworkInterface(String name, InetAddress[] addresses) - { - this.name = name; - this.inetAddresses = new Vector(addresses.length, 1); - - for (int i = 0; i < addresses.length; i++) - this.inetAddresses.add(addresses[i]); - } - - /** - * Returns the name of the network interface - * - * @return The name of the interface. - */ - public String getName() - { - return name; - } - - /** - * Returns all available addresses of the network interface - * - * If a @see SecurityManager is available all addresses are checked - * with @see SecurityManager::checkConnect() if they are available. - * Only <code>InetAddresses</code> are returned where the security manager - * doesn't throw an exception. - * - * @return An enumeration of all addresses. - */ - public Enumeration getInetAddresses() - { - SecurityManager s = System.getSecurityManager(); - - if (s == null) - return inetAddresses.elements(); - - Vector tmpInetAddresses = new Vector(1, 1); - - for (Enumeration addresses = inetAddresses.elements(); - addresses.hasMoreElements();) - { - InetAddress addr = (InetAddress) addresses.nextElement(); - try - { - s.checkConnect(addr.getHostAddress(), 58000); - tmpInetAddresses.add(addr); - } - catch (SecurityException e) - { - // Ignore. - } - } - - return tmpInetAddresses.elements(); - } - - /** - * Returns the display name of the interface - * - * @return The display name of the interface - */ - public String getDisplayName() - { - return name; - } - - /** - * Returns an network interface by name - * - * @param name The name of the interface to return - * - * @return a <code>NetworkInterface</code> object representing the interface, - * or null if there is no interface with that name. - * - * @exception SocketException If an error occurs - * @exception NullPointerException If the specified name is null - */ - public static NetworkInterface getByName(String name) - throws SocketException - { - Vector networkInterfaces = VMNetworkInterface.getInterfaces(); - - for (Enumeration e = networkInterfaces.elements(); e.hasMoreElements();) - { - NetworkInterface tmp = (NetworkInterface) e.nextElement(); - - if (name.equals(tmp.getName())) - return tmp; - } - - // No interface with the given name found. - return null; - } - - /** - * Return a network interface by its address - * - * @param addr The address of the interface to return - * - * @return the interface, or <code>null</code> if none found - * - * @exception SocketException If an error occurs - * @exception NullPointerException If the specified addess is null - */ - public static NetworkInterface getByInetAddress(InetAddress addr) - throws SocketException - { - Vector networkInterfaces = VMNetworkInterface.getInterfaces(); - - for (Enumeration interfaces = networkInterfaces.elements(); - interfaces.hasMoreElements();) - { - NetworkInterface tmp = (NetworkInterface) interfaces.nextElement(); - - for (Enumeration addresses = tmp.inetAddresses.elements(); - addresses.hasMoreElements();) - { - if (addr.equals((InetAddress) addresses.nextElement())) - return tmp; - } - } - - throw new SocketException("no network interface is bound to such an IP address"); - } - - /** - * Return an <code>Enumeration</code> of all available network interfaces - * - * @return all interfaces - * - * @exception SocketException If an error occurs - */ - public static Enumeration getNetworkInterfaces() throws SocketException - { - Vector networkInterfaces = VMNetworkInterface.getInterfaces(); - - if (networkInterfaces.isEmpty()) - return null; - - return networkInterfaces.elements(); - } - - /** - * Checks if the current instance is equal to obj - * - * @param obj The object to compare with - * - * @return <code>true</code> if equal, <code>false</code> otherwise - */ - public boolean equals(Object obj) - { - if (! (obj instanceof NetworkInterface)) - return false; - - NetworkInterface tmp = (NetworkInterface) obj; - - return (name.equals(tmp.name) && inetAddresses.equals(tmp.inetAddresses)); - } - - /** - * Returns the hashcode of the current instance - * - * @return the hashcode - */ - public int hashCode() - { - // FIXME: hash correctly - return name.hashCode() + inetAddresses.hashCode(); - } - - /** - * Returns a string representation of the interface - * - * @return the string - */ - public String toString() - { - // FIXME: check if this is correct - String result; - String separator = System.getProperty("line.separator"); - - result = - "name: " + getDisplayName() + " (" + getName() + ") addresses:" - + separator; - - for (Enumeration e = inetAddresses.elements(); e.hasMoreElements();) - { - InetAddress address = (InetAddress) e.nextElement(); - result += address.toString() + ";" + separator; - } - - return result; - } -} |