diff --git a/lib/cocoa/TNSFileHandleTransport.m b/lib/cocoa/TNSFileHandleTransport.m
new file mode 100644
index 0000000..7ad1ba7
--- /dev/null
+++ b/lib/cocoa/TNSFileHandleTransport.m
@@ -0,0 +1,68 @@
+
+#import "TNSFileHandleTransport.h"
+
+
+@implementation TNSFileHandleTransport
+
+- (id) initWithFileHandle: (NSFileHandle *) fileHandle
+{
+  return [self initWithInputFileHandle: fileHandle
+                      outputFileHandle: fileHandle];
+}
+
+
+- (id) initWithInputFileHandle: (NSFileHandle *) inputFileHandle
+              outputFileHandle: (NSFileHandle *) outputFileHandle
+{
+  self = [super init];
+  
+  mInputFileHandle = [inputFileHandle retain];
+  mOutputFileHandle = [outputFileHandle retain];
+  
+  return self;
+}
+
+
+- (void) dealloc {
+  [mInputFileHandle release];
+  [mOutputFileHandle release];
+  [super dealloc];
+}
+
+
+- (int) readAll: (uint8_t *) buf offset: (int) off length: (int) len
+{
+  int got = 0;
+  while (got < len) {
+    NSData * d = [mInputFileHandle readDataOfLength: len-got];
+    if ([d length] == 0) {
+      @throw [NSException exceptionWithName: @"TTransportException"
+                                     reason: @"Cannot read. No more data."
+                                   userInfo: nil];
+    }
+    [d getBytes: buf+got];
+    got += [d length];
+  }
+  return got;
+}
+
+
+- (void) write: (uint8_t *) data offset: (unsigned int) offset length: (unsigned int) length
+{
+  NSData * dataObject = [[NSData alloc] initWithBytesNoCopy: data+offset 
+                                                     length: length
+                                               freeWhenDone: NO];
+ 
+  [mOutputFileHandle writeData: dataObject];
+
+  
+  [dataObject release];
+}
+  
+
+- (void) flush
+{
+  [mOutputFileHandle synchronizeFile];  // ?
+}
+
+@end