re PR classpath/25389 (File(new URI("file:./")) -> java.lang.NullPointerException)

	PR classpath/25389:
	* java/io/File.java (File): Throw IllegalArgumentException if URI is
	non-hierarchical.

From-SVN: r108528

libjava/ChangeLog

+2005-12-14  Tom Tromey  <tromey@redhat.com>
+
+	PR classpath/25389:
+	* java/io/File.java (File): Throw IllegalArgumentException if URI is
+	non-hierarchical.
+
 2005-12-12  Andrew Haley  <aph@redhat.com>
 
 	* java/lang/VMCompiler.java: Directly generate a new instance of

libjava/java/io/File.java

@@ -434,7 +434,11 @@ public class File implements Serializable, Comparable
     if (!uri.getScheme().equals("file"))
 	throw new IllegalArgumentException("invalid uri protocol");
 
-    path = normalizePath(uri.getPath());
+    String name = uri.getPath();
+    if (name == null)
+      throw new IllegalArgumentException("URI \"" + uri
+                     + "\" is not hierarchical");
+    path = normalizePath(name);
   }
 
   /**