InetSocketAddress.java: Added some documentation and argument checks for the port numbers.

2002-08-28  Michael Koch <konqueror@gmx.de>

	* java/net/InetSocketAddress.java: Added some documentation and argument
	checks for the port numbers.
	* java/net/DatagramSocketImplFactory.java: New file.

From-SVN: r56638

libjava/ChangeLog

 2002-08-28  Michael Koch <konqueror@gmx.de>
 
+	* java/net/InetSocketAddress.java: Added some documentation and argument
+	checks for the port numbers.
+	* java/net/DatagramSocketImplFactory.java: New file.
+
+2002-08-28  Michael Koch <konqueror@gmx.de>
+
 	* java/net/Authenticator.java: added some documentation.
 
 2002-08-27  Tom Tromey  <tromey@redhat.com>

libjava/java/net/DatagramSocketImplFactory.java

+/* DatagramSocketImplFactory.java
+   Copyright (C) 2002 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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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;
+
+/** Written using on-line Java Platform 1.4 API Specification.
+  * Status: Believed complete and correct.
+  */
+
+/**
+  * This interface defines one method which returns a DatagramSocketImpl object.
+  * This should not be needed by ordinary applications.
+  *
+  * @author Michael Koch <konqueror@gmx.de>
+  * @since 1.3
+  */
+public interface DatagramSocketImplFactory
+{
+  /**
+   * This method returns an instance of the DatagramSocketImpl object
+   *
+   * @return A DatagramSocketImpl object
+   */
+  DatagramSocketImpl createDatagramSocketImpl();
+} // interface DatagramSocketImplFactory

libjava/java/net/InetSocketAddress.java

@@ -50,14 +50,37 @@ public class InetSocketAddress extends SocketAddress
     InetAddress addr;
     int port;
     
+    /**
+     * Constructs an InetSocketAddress instance.
+     * 
+     * @param addr Address of the socket
+     * @param port Port if the socket
+     *
+     * @exception IllegalArgumentException If the port number is illegel
+     */
     public InetSocketAddress(InetAddress addr, int port)
+	throws IllegalArgumentException
     {
+	if (port < 0 || port > 65535)
+          throw new IllegalArgumentException();
+  
 	this.addr = addr;
 	this.port = port;
     }
 
+    /**
+     * Constructs an InetSocketAddress instance.
+     * 
+     * @param port Port if the socket
+     *
+     * @exception IllegalArgumentException If the port number is illegel
+     */
     public InetSocketAddress(int port)
+	throws IllegalArgumentException
     {
+	if (port < 0 || port > 65535)
+          throw new IllegalArgumentException();
+
 	this.port = port;
 	try {
 	    this.addr = InetAddress.getLocalHost();
@@ -66,8 +89,18 @@ public class InetSocketAddress extends SocketAddress
     }
 
 
+    /**
+     * Constructs an InetSocketAddress instance.
+     * 
+     * @param addr Address of the socket
+     * @param port Port if the socket
+     */
     public InetSocketAddress(String hostname, int port)
+	throws IllegalArgumentException
     {
+	if (port < 0 || port > 65535)
+          throw new IllegalArgumentException();
+
 	this.port = port;
 	try {
 	    this.addr = InetAddress.getByName(hostname);