2002-11-20 Michael Koch <konqueror@gmx.de>

* java/io/FileInputStream.java
	(getChannel): New method.
	* java/io/FileOutputStream.java
	(getChannel): New method.
	* java/net/ServerSocket.java
	(bind): Removed duplicate code and called another bind method instead.
	* java/nio/channels/SelectionKey.java
	(isValid): Removed wrong exception documentation.
	* java/nio/channels/ServerSocketChannel.java
	(accept): Added exception documentation.
	(open): Fixed typo, added exception documentation.
	* java/nio/channels/spi/AbstractSelectableChannel.java
	(implCloseChannel): Added exception documentation.
	(add): Reformated.
	(register): Added exception documentation.

From-SVN: r59307

libjava/java/io/FileInputStream.java

@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 1999, 2001  Free Software Foundation
+/* Copyright (C) 1998, 1999, 2001, 2002  Free Software Foundation
 
    This file is part of libgcj.
 
@@ -8,6 +8,8 @@ details.  */
  
 package java.io;
 
+import java.nio.channels.FileChannel;
+
 /**
  * @author Warren Levy <warrenl@cygnus.com>
  * @date October 28, 1998.  
@@ -23,6 +25,8 @@ public class FileInputStream extends InputStream
   /* Contains the file descriptor for referencing the actual file. */
   private FileDescriptor fd;
 
+  private FileChannel ch;
+
   public FileInputStream(String name) throws FileNotFoundException
   {
     SecurityManager s = System.getSecurityManager();
@@ -92,4 +96,9 @@ public class FileInputStream extends InputStream
     long endPos = fd.seek(n, FileDescriptor.CUR, true);
     return endPos - startPos;
   }
+
+  public FileChannel getChannel ()
+  {
+    return ch;
+  }
 }

libjava/java/io/FileOutputStream.java

@@ -10,6 +10,8 @@ details.  */
 
 package java.io;
 
+import java.nio.channels.FileChannel;
+
 /**
  * @author Tom Tromey <tromey@cygnus.com>
  * @date September 24, 1998 
@@ -93,4 +95,9 @@ public class FileOutputStream extends OutputStream
 
   // Instance variables.
   private FileDescriptor fd;
+
+  public FileChannel getChannel ()
+  {
+    return null;
+  }
 }

libjava/java/net/ServerSocket.java

@@ -151,6 +151,7 @@ public class ServerSocket
     throws IOException
   {
     this();
+
     if (impl == null)
       throw new IOException("Cannot initialize Socket implementation");
 
@@ -181,19 +182,7 @@ public class ServerSocket
   public void bind (SocketAddress endpoint)
     throws IOException
   {
-    if (impl == null)
-      throw new IOException ("Cannot initialize Socket implementation");
-
-    if (! (endpoint instanceof InetSocketAddress))
-      throw new IllegalArgumentException ("Address type not supported");
-
-    InetSocketAddress tmp = (InetSocketAddress) endpoint;
-    
-    SecurityManager s = System.getSecurityManager ();
-    if (s != null)
-      s.checkListen (tmp.getPort ());
-
-    impl.bind (tmp.getAddress (), tmp.getPort ());
+    bind (endpoint, 50);
   }
  
   /**

libjava/java/nio/channels/SelectionKey.java

@@ -147,8 +147,6 @@ public abstract class SelectionKey
  
   /**
    * Tells whether or not this key is valid.
-   * 
-   * @exception CancelledKeyException If this key has been cancelled
    */
   public abstract boolean isValid ();
  

libjava/java/nio/channels/ServerSocketChannel.java

@@ -60,7 +60,18 @@ public abstract class ServerSocketChannel
   }
   
   /**
-   *  Accepts a connection made to this channel's socket.
+   * Accepts a connection made to this channel's socket.
+   *
+   * @exception IOException If an error occurs
+   * @exception AsynchronousCloseException If another thread closes this
+   * channel while the accept operation is in progress.
+   * @exception ClosedByInterruptException If another thread interrupts the
+   * current thread while the accept operation is in progress, thereby closing
+   * the channel and setting the current thread's interrupt status.
+   * @exception ClosedChannelException If the channel is closed.
+   * @exception NotYetBoundException If the channel's socket is not yet bound.
+   * @exception SecurityException If a security manager has been installed and
+   * it does not permit access to the remote endpoint of the new connection.
    */
   public abstract SocketChannel accept ();
   
@@ -70,7 +81,9 @@ public abstract class ServerSocketChannel
   public abstract ServerSocket socket ();
     
   /**
-   * Opens a server socker channel.
+   * Opens a server socket channel.
+   *
+   * @exception IOException If an error occurs
    */
   public static ServerSocketChannel open () throws IOException
   {

libjava/java/nio/channels/spi/AbstractSelectableChannel.java

@@ -78,8 +78,8 @@ public abstract class AbstractSelectableChannel extends SelectableChannel
   {
     synchronized (LOCK)
       {
-    	blocking = true;
-    	implConfigureBlocking (block);
+        blocking = true;
+        implConfigureBlocking (block);
       }
     
     return this;
@@ -87,6 +87,8 @@ public abstract class AbstractSelectableChannel extends SelectableChannel
 
   /**
    * Closes this channel.
+   *
+   * @exception IOException If an error occurs
    */
   protected final void implCloseChannel ()
   {
@@ -168,13 +170,17 @@ public abstract class AbstractSelectableChannel extends SelectableChannel
   private void add (SelectionKey key)
   {
     if (keys == null)
-      keys = new LinkedList ();
+      {
+        keys = new LinkedList ();
+      }
     
     keys.add (key);
   }
 
   /**
    * Registers this channel with the given selector, returning a selection key.
+   *
+   * @exception ClosedChannelException If the channel is already closed.
    */
   public final SelectionKey register (Selector selin, int ops, Object att)
     throws ClosedChannelException
@@ -187,19 +193,19 @@ public abstract class AbstractSelectableChannel extends SelectableChannel
 
     synchronized (LOCK)
       {
-    	k = locate (selector);
+        k = locate (selector);
 
-    	if (k != null)
+        if (k != null)
           {
             k.attach (att);
           }
-    	else
+        else
           {
             k = selector.register (this, ops, att);
     		
             if (k != null)
               add (k);
-    	  }
+          }
       }
 
     return k;