8028368: There is no description whether or not java.util.ResourceBundle is thread-safe
Reviewed-by: okutsu
--- a/jdk/src/share/classes/java/util/ListResourceBundle.java Mon Dec 02 14:19:25 2013 +0000
+++ b/jdk/src/share/classes/java/util/ListResourceBundle.java Mon Dec 02 11:29:07 2013 -0800
@@ -105,6 +105,12 @@
* }
* </pre>
* </blockquote>
+ *
+ * <p>
+ * The implementation of a {@code ListResourceBundle} subclass must be thread-safe
+ * if it's simultaneously used by multiple threads. The default implementations
+ * of the methods in this class are thread-safe.
+ *
* @see ResourceBundle
* @see PropertyResourceBundle
* @since JDK1.1
--- a/jdk/src/share/classes/java/util/PropertyResourceBundle.java Mon Dec 02 14:19:25 2013 +0000
+++ b/jdk/src/share/classes/java/util/PropertyResourceBundle.java Mon Dec 02 11:29:07 2013 -0800
@@ -100,6 +100,11 @@
* </blockquote>
*
* <p>
+ * The implementation of a {@code PropertyResourceBundle} subclass must be
+ * thread-safe if it's simultaneously used by multiple threads. The default
+ * implementations of the non-abstract methods in this class are thread-safe.
+ *
+ * <p>
* <strong>Note:</strong> PropertyResourceBundle can be constructed either
* from an InputStream or a Reader, which represents a property file.
* Constructing a PropertyResourceBundle instance from an InputStream requires
--- a/jdk/src/share/classes/java/util/ResourceBundle.java Mon Dec 02 14:19:25 2013 +0000
+++ b/jdk/src/share/classes/java/util/ResourceBundle.java Mon Dec 02 11:29:07 2013 -0800
@@ -184,6 +184,13 @@
* subclass. Your subclasses must override two methods: <code>handleGetObject</code>
* and <code>getKeys()</code>.
*
+ * <p>
+ * The implementation of a {@code ResourceBundle} subclass must be thread-safe
+ * if it's simultaneously used by multiple threads. The default implementations
+ * of the non-abstract methods in this class, and the methods in the direct
+ * known concrete subclasses {@code ListResourceBundle} and
+ * {@code PropertyResourceBundle} are thread-safe.
+ *
* <h3>ResourceBundle.Control</h3>
*
* The {@link ResourceBundle.Control} class provides information necessary