/*
*******************************************************************************
-* Copyright (C) 2009-2010, International Business Machines
+* Copyright (C) 2009-2011, International Business Machines
* Corporation and others. All Rights Reserved.
*******************************************************************************
*/
public final class ICUDataVersion {
private static final String U_ICU_VERSION_BUNDLE = "icuver";
- private static final String U_ICU_STD_BUNDLE = "icustd";
private static final String U_ICU_DATA_KEY = "DataVersion";
- /**
- * This function loads up icuver and compares the data version to the wired-in ICU_DATA_VERSION.
- * If icuver shows something less than ICU_DATA_VERSION it returns TRUE, else FALSE. The version
- * found will be returned in the first fillin parameter (if non-null), and *isModified will be set
- * to TRUE if "icustd" is NOT found. Thus, if the data has been repackaged or modified, "icustd"
- * (standard ICU) will be missing, and the function will alert the caller that the data is not standard.
- *
- * @param dataVersionFillin icuver data version information to be filled in if not-null
- * @return TRUE if ICU_DATA_VERSION is newer than icuver, else FALSE
- */
- public static boolean isDataOlder(VersionInfo dataVersionFillin) {
- boolean result = true;
-
- VersionInfo dataVersion = getDataVersion();
-
- if (dataVersion!= null) {
- if (dataVersion.compareTo(VersionInfo.ICU_DATA_VERSION) != -1) {
- result = false;
- }
-
- if (dataVersionFillin != null) {
- dataVersionFillin = VersionInfo.getInstance(dataVersion.toString());
- }
- }
-
- return result;
- }
-
- /**
- * This function tests whether "icustd" is available in the data. If the data has been repackaged or modified, "icustd"
- * (standard ICU) will be missing, and the function will alert the caller that the data is not standard.
- *
- * @return TRUE if data has been modified, else FALSE
- */
- public static boolean isDataModified() {
- if (hasICUSTDBundle()) {
- return false;
- }
- return true;
- }
-
/**
* This function retrieves the data version from icuver and returns a VersionInfo object with that version information.
*
* @return Current icu data version
+ * @draft ICU 49
*/
public static VersionInfo getDataVersion() {
UResourceBundle icudatares = null;
return VersionInfo.getInstance(icudatares.getString());
}
-
- private static boolean hasICUSTDBundle() {
- try {
- UResourceBundle.getBundleInstance(ICUDataVersion.U_ICU_STD_BUNDLE);
- } catch (MissingResourceException ex) {
- return false;
- }
-
- return true;
- }
-
}