2003-10-13 Michael Koch <konqueror@gmx.de>

	* java/nio/Buffer.java
	(hasRemaining): Made implementation more clear.
	* java/nio/MappedByteBuffer.java
	(loaded): New member variable.
	(force): Added comment.
	(isLoaded): Return value of loaded.
	(load): Set loaded to true, added comment.

From-SVN: r72418

2 files changed, 8 insertions, 3 deletions

diff --git a/libjava/java/nio/Buffer.java b/libjava/java/nio/Buffer.java
index 9221d75..444d3d1 100644
--- a/libjava/java/nio/Buffer.java
+++ b/libjava/java/nio/Buffer.java
@@ -1,5 +1,5 @@
 /* Buffer.java -- 
-   Copyright (C) 2002 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003 Free Software Foundation, Inc.
 
 This file is part of GNU Classpath.
 
@@ -102,7 +102,7 @@ public abstract class Buffer
    */
   public final boolean hasRemaining ()
   {
-    return limit > pos;
+    return remaining() > 0;
   }
 
   /**
diff --git a/libjava/java/nio/MappedByteBuffer.java b/libjava/java/nio/MappedByteBuffer.java
index 87500e7..8f4b872 100644
--- a/libjava/java/nio/MappedByteBuffer.java
+++ b/libjava/java/nio/MappedByteBuffer.java
@@ -44,6 +44,8 @@ package java.nio;
  */
 public abstract class MappedByteBuffer extends ByteBuffer
 {
+  private boolean loaded = false;
+  
   MappedByteBuffer (int capacity, int limit, int position, int mark)
   {
     super (capacity, limit, position, mark);
@@ -51,16 +53,19 @@ public abstract class MappedByteBuffer extends ByteBuffer
   
   public final MappedByteBuffer force ()
   {
+    // FIXME: Flush to disk here.
     return this;
   }
     
   public final boolean isLoaded ()
   {
-    return true;
+    return loaded;
   }
     
   public final MappedByteBuffer load ()
   {
+    // FIXME: Try to load all pages into memory.
+    loaded = true;
     return this;
   }
 }