+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.
+
2005-04-27 Andrew Haley <aph@redhat.com>
PR java/19285
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;
}
/* 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) */
* @param name The name of the file this stream should read from
*
* @exception SecurityException If read access to the file is not allowed
- * @exception FileNotFoundException If the file does not exist.
+ * @exception FileNotFoundException If the file does not exist
+ * or if it is a directory
*/
public FileInputStream(String name) throws FileNotFoundException
{
* @param file The <code>File</code> object this stream should read from
*
* @exception SecurityException If read access to the file is not allowed
- * @exception FileNotFoundException If the file does not exist.
+ * @exception FileNotFoundException If the file does not exist
+ * or if it is a directory.
*/
public FileInputStream(File file) throws FileNotFoundException
{
if (s != null)
s.checkRead(file.getPath());
- ch = new FileChannelImpl (file.getPath(), FileChannelImpl.READ);
+ ch = new FileChannelImpl (file, FileChannelImpl.READ);
}
/**
* illegal value
* @exception SecurityException If the requested access to the file
* is not allowed
- * @exception IOException If any other error occurs
+ * @exception FileNotFoundException If the file is a directory, or
+ * any other error occurs
*/
public RandomAccessFile (File file, String mode)
throws FileNotFoundException
- {
- this (file.getPath(), mode);
- }
-
- /**
- * This method initializes a new instance of <code>RandomAccessFile</code>
- * to read from the specified file name with the specified access mode.
- * The access mode is either "r" for read only access, "rw" for read
- * write access, "rws" for synchronized read/write access of both
- * content and metadata, or "rwd" for read/write access
- * where only content is required to be synchronous.
- * <p>
- * Note that a <code>SecurityManager</code> check is made prior to
- * opening the file to determine whether or not this file is allowed to
- * be read or written.
- *
- * @param fileName The name of the file to read and/or write
- * @param mode "r", "rw", "rws", or "rwd"
- *
- * @exception IllegalArgumentException If <code>mode</code> has an
- * illegal value
- * @exception SecurityException If the requested access to the file
- * is not allowed
- * @exception FileNotFoundException If any other error occurs
- */
- public RandomAccessFile (String fileName, String mode)
- throws FileNotFoundException
{
int fdmode;
if (mode.equals("r"))
else
throw new IllegalArgumentException ("invalid mode: " + mode);
+ final String fileName = file.getPath();
+
// The obligatory SecurityManager stuff
SecurityManager s = System.getSecurityManager();
if (s != null)
s.checkWrite(fileName);
}
- ch = new FileChannelImpl (fileName, fdmode);
+ ch = new FileChannelImpl (file, fdmode);
fd = new FileDescriptor(ch);
out = new DataOutputStream (new FileOutputStream (fd));
in = new DataInputStream (new FileInputStream (fd));
}
+ /**
+ * This method initializes a new instance of <code>RandomAccessFile</code>
+ * to read from the specified file name with the specified access mode.
+ * The access mode is either "r" for read only access, "rw" for read
+ * write access, "rws" for synchronized read/write access of both
+ * content and metadata, or "rwd" for read/write access
+ * where only content is required to be synchronous.
+ * <p>
+ * Note that a <code>SecurityManager</code> check is made prior to
+ * opening the file to determine whether or not this file is allowed to
+ * be read or written.
+ *
+ * @param fileName The name of the file to read and/or write
+ * @param mode "r", "rw", "rws", or "rwd"
+ *
+ * @exception IllegalArgumentException If <code>mode</code> has an
+ * illegal value
+ * @exception SecurityException If the requested access to the file
+ * is not allowed
+ * @exception FileNotFoundException If the file is a directory or
+ * any other error occurs
+ */
+ public RandomAccessFile (String fileName, String mode)
+ throws FileNotFoundException
+ {
+ this (new File(fileName), mode);
+ }
+
/**
* This method closes the file and frees up all file related system
* resources. Since most operating systems put a limit on how many files