Reverted changes in obsolete hipparchus-migration module.

Author: maisonobe

hipparchus-migration/src/main/java/org/hipparchus/migration/LocalizedMigrationFormats.java

@@ -22,8 +22,11 @@
 package org.hipparchus.migration;
 
 import java.util.Locale;
+import java.util.MissingResourceException;
+import java.util.ResourceBundle;
 
 import org.hipparchus.exception.Localizable;
+import org.hipparchus.exception.UTF8Control;
 
 /**
  * Enumeration for localized messages formats used in exceptions messages.
@@ -310,8 +313,28 @@ public String getSourceString() {
     /** {@inheritDoc} */
     @Override
     public String getLocalizedString(final Locale locale) {
-        return getLocalizedString("assets/" + LocalizedMigrationFormats.class.getName().replaceAll("\\.", "/"),
-                                  name(), locale);
+        try {
+            final String path = LocalizedMigrationFormats.class.getName().replaceAll("\\.", "/");
+            ResourceBundle bundle =
+                    ResourceBundle.getBundle("assets/" + path, locale, new UTF8Control());
+            if (bundle.getLocale().getLanguage().equals(locale.getLanguage())) {
+                final String translated = bundle.getString(name());
+                if ((translated != null) &&
+                    (translated.length() > 0) &&
+                    (!translated.toLowerCase(locale).contains("missing translation"))) {
+                    // the value of the resource is the translated format
+                    return translated;
+                }
+            }
+
+        } catch (MissingResourceException mre) { // NOPMD
+            // do nothing here
+        }
+
+        // either the locale is not supported or the resource is unknown
+        // don't translate and fall back to using the source format
+        return sourceFormat;
+
     }
 
 }

hipparchus-migration/src/test/java/org/hipparchus/migration/LocalizedMigrationFormatsTest.java

@@ -24,10 +24,6 @@
 
 
 import org.hipparchus.exception.LocalizedFormatsAbstractTest;
-import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.Assertions;
-
-import java.util.Locale;
 
 @Deprecated
 public class LocalizedMigrationFormatsTest extends LocalizedFormatsAbstractTest {
@@ -42,9 +38,4 @@ protected int getExpectedNumber() {
         return 82;
     }
 
-    @Test
-    public void testUnsupportedLocale() {
-        Assertions.assertEquals("Cardan angles singularity",
-                                LocalizedMigrationFormats.CARDAN_ANGLES_SINGULARITY.getLocalizedString(Locale.TRADITIONAL_CHINESE));
-    }
 }