[multiple changes]

2004-04-20  Jeroen Frijters  <jeroen@frijters.net>

	* java/io/FileDescriptor.java: (FileDescriptor) Added public
	constructor. (valid) Added null check.

2004-04-20  Guilhem Lavaux <guilhem@kaffe.org>

        Reported by Nektarios Papadopoulos <npapadop@inaccessnetworks.com>
	* java/io/FileOutputStream.java
	(FileOutputStream) Reorganized constructors. Constructors now
	check whether the given path is directory.

From-SVN: r80901

libjava/java/io/FileDescriptor.java

@@ -83,6 +83,14 @@ public final class FileDescriptor
   /**
    * This method is used to initialize an invalid FileDescriptor object.
    */
+  public FileDescriptor()
+  {
+    channel = null;
+  }
+
+  /**
+   * This method is used to initialize a FileDescriptor object.
+   */
   FileDescriptor(ByteChannel channel)
   {
     this.channel = channel;
@@ -125,6 +133,6 @@ public final class FileDescriptor
    */
   public boolean valid ()
   {
-    return channel.isOpen();
+    return channel != null && channel.isOpen();
   }
 }

libjava/java/io/FileOutputStream.java

@@ -81,13 +81,7 @@ public class FileOutputStream extends OutputStream
   public FileOutputStream (String path, boolean append)
     throws SecurityException, FileNotFoundException
   {
-    SecurityManager s = System.getSecurityManager();
-    if (s != null)
-      s.checkWrite(path);
-    ch = new FileChannelImpl (path, (append
-				     ? FileChannelImpl.WRITE
-				     | FileChannelImpl.APPEND
-				     : FileChannelImpl.WRITE));
+    this (new File(path), append);
   }
 
   /**
@@ -130,7 +124,7 @@ public class FileOutputStream extends OutputStream
   public FileOutputStream (File file)
     throws SecurityException, FileNotFoundException
   {
-    this (file.getPath(), false);
+    this (file, false);
   }
 
   /**
@@ -156,7 +150,17 @@ public class FileOutputStream extends OutputStream
   public FileOutputStream (File file, boolean append)
     throws FileNotFoundException
   {
-    this (file.getPath(), append);
+    SecurityManager s = System.getSecurityManager();
+    if (s != null)
+      s.checkWrite(file.getPath());
+
+    if (file.isDirectory())
+      throw new FileNotFoundException(file.getPath() + " is a directory");
+
+   ch = new FileChannelImpl (file.getPath(), (append
+				     ? FileChannelImpl.WRITE
+				     | FileChannelImpl.APPEND
+				     : FileChannelImpl.WRITE));
   }
 
   /**