Introduce DictionaryHeaderUtils to get dictionary header values

Change-Id: I86cef6c7f2f68a75428bb2b9c4d5a1dc1876b541

1 files changed, 31 insertions, 0 deletions

diff --git a/java-overridable/src/com/android/inputmethod/latin/utils/DictionaryHeaderUtils.java b/java-overridable/src/com/android/inputmethod/latin/utils/DictionaryHeaderUtils.java
new file mode 100644
index 000000000..5eb613c9b
--- /dev/null
+++ b/java-overridable/src/com/android/inputmethod/latin/utils/DictionaryHeaderUtils.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.inputmethod.latin.utils;
+
+import com.android.inputmethod.latin.AssetFileAddress;
+import com.android.inputmethod.latin.makedict.DictionaryHeader;
+
+import java.io.File;
+
+public class DictionaryHeaderUtils {
+
+    public static int getContentVersion(AssetFileAddress fileAddress) {
+        final DictionaryHeader header = DictionaryInfoUtils.getDictionaryFileHeaderOrNull(
+                new File(fileAddress.mFilename), fileAddress.mOffset, fileAddress.mLength);
+        return Integer.parseInt(header.mVersionString);
+    }
+}