Move to the root the bundles which will be part of v1.4 and v2.2

[lgpl/argeo-commons.git] / org.argeo.util / src / main / java / org / argeo / util / LocaleUtils.java

diff --git a/org.argeo.util/src/main/java/org/argeo/util/LocaleUtils.java b/org.argeo.util/src/main/java/org/argeo/util/LocaleUtils.java
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+++ b/org.argeo.util/src/main/java/org/argeo/util/LocaleUtils.java
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+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * 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 org.argeo.util;
+
+import java.util.Locale;
+
+import org.argeo.ArgeoException;
+
+/** Utilities around internationalization. */
+public class LocaleUtils {
+       /**
+        * The locale of the current thread and its children. Allows to deal with
+        * internationalisation as a cross cutting aspect. Never null.
+        */
+       public final static InheritableThreadLocal<Locale> threadLocale = new InheritableThreadLocal<Locale>() {
+               @Override
+               protected Locale initialValue() {
+                       return Locale.getDefault();
+               }
+
+               @Override
+               public void set(Locale value) {
+                       if (value == null)
+                               throw new ArgeoException("Thread local cannot be null.");
+                       super.set(value);
+               }
+
+       };
+}