1 files changed, 31 insertions, 0 deletions
diff --git a/base/android/java/src/org/chromium/base/ImportantFileWriterAndroid.java b/base/android/java/src/org/chromium/base/ImportantFileWriterAndroid.java
new file mode 100644
index 0000000000..cbaf7f76a1
--- /dev/null
+++ b/base/android/java/src/org/chromium/base/ImportantFileWriterAndroid.java
@@ -0,0 +1,31 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.base;
+
+import org.chromium.base.annotations.JNINamespace;
+
+/**
+ * This class provides an interface to the native class for writing
+ * important data files without risking data loss.
+ */
+@JNINamespace("base::android")
+public class ImportantFileWriterAndroid {
+
+    /**
+     * Write a binary file atomically.
+     *
+     * This either writes all the data or leaves the file unchanged.
+     *
+     * @param fileName The complete path of the file to be written
+     * @param data The data to be written to the file
+     * @return true if the data was written to the file, false if not.
+     */
+    public static boolean writeFileAtomically(String fileName, byte[] data) {
+        return nativeWriteFileAtomically(fileName, data);
+    }
+
+    private static native boolean nativeWriteFileAtomically(
+            String fileName, byte[] data);
+}