svn commit: r398004 - /directory/trunks/mina/core/src/main/java/org/apache/mina/common/ByteBuffer.java

[pr...@apache.org]

Author: proyal
Date: Fri Apr 28 13:57:56 2006
New Revision: 398004

URL: http://svn.apache.org/viewcvs?rev=398004&view=rev
Log:
Allow user control over whether or not direct buffers are used

Modified:
    directory/trunks/mina/core/src/main/java/org/apache/mina/common/ByteBuffer.java

Modified: directory/trunks/mina/core/src/main/java/org/apache/mina/common/ByteBuffer.java
URL: http://svn.apache.org/viewcvs/directory/trunks/mina/core/src/main/java/org/apache/mina/common/ByteBuffer.java?rev=398004&r1=398003&r2=398004&view=diff
==============================================================================
--- directory/trunks/mina/core/src/main/java/org/apache/mina/common/ByteBuffer.java (original)
+++ directory/trunks/mina/core/src/main/java/org/apache/mina/common/ByteBuffer.java Fri Apr 28 13:57:56 2006
@@ -150,11 +150,14 @@
  * @version $Rev$, $Date$
  *
  * @see ByteBufferAllocator
+ * @noinspection StaticNonFinalField
  */
 public abstract class ByteBuffer implements Comparable
 {
     private static ByteBufferAllocator allocator = new PooledByteBufferAllocator();
 
+    private static boolean useDirectBuffers = true;
+
     /**
      * Returns the current allocator which manages the allocated buffers.
      */
@@ -183,6 +186,16 @@
         }
     }
 
+    public static boolean isUseDirectBuffers()
+    {
+        return useDirectBuffers;
+    }
+
+    public static void setUseDirectBuffers( boolean useDirectBuffers )
+    {
+        ByteBuffer.useDirectBuffers = useDirectBuffers;
+    }
+
     /**
      * Returns the direct or heap buffer which is capable of the specified
      * size.  This method tries to allocate direct buffer first, and then
@@ -193,16 +206,20 @@
      */
     public static ByteBuffer allocate( int capacity )
     {
-        try
+        if( useDirectBuffers )
         {
-            // first try to allocate direct buffer
-            return allocate( capacity, true );
-        }
-        catch( OutOfMemoryError e )
-        {
-            // if failed, try heap
-            return allocate( capacity, false );
+            try
+            {
+                // first try to allocate direct buffer
+                return allocate( capacity, true );
+            }
+            catch( OutOfMemoryError e )
+            {
+                // fall through to heap buffer
+            }
         }
+
+        return allocate( capacity, false );
     }
 
     /**