2005-04-29 Dalibor Topic <robilad@kaffe.org>

	* java/nio/channels/FileChannelImpl.java
	(FileChannelImpl(String, int)): Removed.
	(FileChannelImpl(File, int)): Added. Check if opened file is a
	directory.
	* java/io/FileInputStream.java(FileInputStream): Fixed javadocs.
	Call FileChannelImpl(File, int).
	* java/io/FileOutputStream.java (FileInputStream): Call
	FileChannelImpl(File, int).
	* java/io/RandomAccessFile.java (RandomAccessFile):
	Call FileChannelImpl(File, int). Switched constructors around.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@99011 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 19 insertions, 1 deletions

diff --git a/libjava/gnu/java/nio/channels/FileChannelImpl.java b/libjava/gnu/java/nio/channels/FileChannelImpl.java
index 9d978c923f7..aaa4c260864 100644
--- a/libjava/gnu/java/nio/channels/FileChannelImpl.java
+++ b/libjava/gnu/java/nio/channels/FileChannelImpl.java
@@ -41,6 +41,7 @@ package gnu.java.nio.channels;
 import gnu.classpath.Configuration;
 import gnu.java.nio.FileLockImpl;
 
+import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.nio.ByteBuffer;
@@ -102,10 +103,27 @@ public final class FileChannelImpl extends FileChannel
   }
 
   /* Open a file.  MODE is a combination of the above mode flags. */
-  public FileChannelImpl (String path, int mode) throws FileNotFoundException
+  public FileChannelImpl (File file, int mode) throws FileNotFoundException
   {
+    final String path = file.getPath();
     fd = open (path, mode);
     this.mode = mode;
+
+    // First open the file and then check if it is a a directory
+    // to avoid race condition.
+    if (file.isDirectory())
+      {
+	try 
+	  {
+	      close();
+	  }
+	catch (IOException e)
+	  {
+	      /* ignore it */
+	  }
+
+	throw new FileNotFoundException(path + " is a directory");
+      }
   }
 
   /* Used by init() (native code) */