1 files changed, 15 insertions, 0 deletions
diff --git a/java/src/com/android/inputmethod/latin/utils/FileUtils.java b/java/src/com/android/inputmethod/latin/utils/FileUtils.java
index 83c1e7c4d..22b0fbbcd 100644
--- a/java/src/com/android/inputmethod/latin/utils/FileUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/FileUtils.java
@@ -17,6 +17,7 @@
 package com.android.inputmethod.latin.utils;
 
 import java.io.File;
+import java.io.FilenameFilter;
 
 /**
  * A simple class to help with removing directories recursively.
@@ -30,4 +31,18 @@ public class FileUtils {
         }
         return path.delete();
     }
+
+    public static boolean deleteFilteredFiles(final File dir, final FilenameFilter fileNameFilter) {
+        if (!dir.isDirectory()) {
+            return false;
+        }
+        final File[] files = dir.listFiles(fileNameFilter);
+        boolean hasDeletedAllFiles = true;
+        for (final File file : files) {
+            if (!deleteRecursively(file)) {
+                hasDeletedAllFiles = false;
+            }
+        }
+        return hasDeletedAllFiles;
+    }
 }