base/runtime/org.argeo.util/src/main/java/org/argeo/util/LocaleUtils.java

   1 package org.argeo.util;
   2
   3 import java.util.Locale;
   4
   5 import org.argeo.ArgeoException;
   6
   7 /** Utilities around internationalization. */
   8 public class LocaleUtils {
   9         /**
  10          * The locale of the current thread and its children. Allows to deal with
  11          * internationalisation as a cross cutting aspect. Never null.
  12          */
  13         public final static InheritableThreadLocal<Locale> threadLocale = new InheritableThreadLocal<Locale>() {
  14                 @Override
  15                 protected Locale initialValue() {
  16                         return Locale.getDefault();
  17                 }
  18
  19                 @Override
  20                 public void set(Locale value) {
  21                         if (value == null)
  22                                 throw new ArgeoException("Thread local cannot be null.");
  23                         super.set(value);
  24                 }
  25
  26         };
  27 }