1 files changed, 11 insertions, 4 deletions
diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java b/java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java
index 799aea8ef..bed31a7d1 100644
--- a/java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java
+++ b/java/src/com/android/inputmethod/latin/BinaryDictionaryFileDumper.java
@@ -30,7 +30,6 @@ import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
@@ -40,14 +39,14 @@ import java.util.Locale;
  * Group class for static methods to help with creation and getting of the binary dictionary
  * file from the dictionary provider
  */
-public class BinaryDictionaryFileDumper {
+public final class BinaryDictionaryFileDumper {
     private static final String TAG = BinaryDictionaryFileDumper.class.getSimpleName();
     private static final boolean DEBUG = false;
 
     /**
      * The size of the temporary buffer to copy files.
      */
-    private static final int FILE_READ_BUFFER_SIZE = 1024;
+    private static final int FILE_READ_BUFFER_SIZE = 8192;
     // TODO: make the following data common with the native code
     private static final byte[] MAGIC_NUMBER_VERSION_1 =
             new byte[] { (byte)0x78, (byte)0xB1, (byte)0x00, (byte)0x00 };
@@ -150,7 +149,13 @@ public class BinaryDictionaryFileDumper {
 
         final Uri.Builder wordListUriBuilder = getProviderUriBuilder(id);
         final String finalFileName = BinaryDictionaryGetter.getCacheFileName(id, locale, context);
-        final String tempFileName = finalFileName + ".tmp";
+        String tempFileName;
+        try {
+            tempFileName = BinaryDictionaryGetter.getTempFileName(id, context);
+        } catch (IOException e) {
+            Log.e(TAG, "Can't open the temporary file", e);
+            return null;
+        }
 
         for (int mode = MODE_MIN; mode <= MODE_MAX; ++mode) {
             InputStream originalSourceStream = null;
@@ -201,6 +206,7 @@ public class BinaryDictionaryFileDumper {
                 outputStream.flush();
                 outputStream.close();
                 final File finalFile = new File(finalFileName);
+                finalFile.delete();
                 if (!outputFile.renameTo(finalFile)) {
                     throw new IOException("Can't move the file to its final name");
                 }
@@ -287,6 +293,7 @@ public class BinaryDictionaryFileDumper {
      * @param input the stream to be copied.
      * @param output an output stream to copy the data to.
      */
+    // TODO: make output a BufferedOutputStream
     private static void checkMagicAndCopyFileTo(final BufferedInputStream input,
             final FileOutputStream output) throws FileNotFoundException, IOException {
         // Check the magic number