--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/java/nio/file/FileAction.java Sun Feb 15 12:25:54 2009 +0000
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2007-2009 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package java.nio.file;
+
+import java.io.IOException;
+
+/**
+ * An interface that is implemented by objects that operate on a file. An
+ * implementation of this interface is provided to the {@link Files#withDirectory
+ * withDirectory} utility method so that the file action is {@link #invoke
+ * invoked} for all accepted entries in the directory, after which, the directory
+ * is automatically closed.
+ *
+ * <p> <b>Usage Example:</b>
+ * Suppose we require to perform a task on all class files in a directory:
+ * <pre>
+ * Path dir = ...
+ * Files.withDirectory(dir, "*.class", new FileAction<Path>() {
+ * public void invoke(Path entry) {
+ * :
+ * }
+ * });
+ * </pre>
+ *
+ * @param <T> The type of file reference
+ *
+ * @since 1.7
+ */
+
+public interface FileAction<T extends FileRef> {
+ /**
+ * Invoked for a file.
+ *
+ * @param file
+ * The file
+ *
+ * @throws IOException
+ * If the block terminates due an uncaught I/O exception
+ */
+ void invoke(T file) throws IOException;
+}