Author: sebb
Date: Fri Jul 31 19:05:03 2009
New Revision: 799700
URL: http://svn.apache.org/viewvc?rev=799700&view=rev
Log:
Add a bit of Javadoc
Use IODH to return Singleton factory instance
Modified:
commons/proper/jexl/branches/2.0/src/java/org/apache/commons/jexl/scripting/JexlScriptEngine.java
Modified:
commons/proper/jexl/branches/2.0/src/java/org/apache/commons/jexl/scripting/JexlScriptEngine.java
URL:
http://svn.apache.org/viewvc/commons/proper/jexl/branches/2.0/src/java/org/apache/commons/jexl/scripting/JexlScriptEngine.java?rev=799700&r1=799699&r2=799700&view=diff
==============================================================================
---
commons/proper/jexl/branches/2.0/src/java/org/apache/commons/jexl/scripting/JexlScriptEngine.java
(original)
+++
commons/proper/jexl/branches/2.0/src/java/org/apache/commons/jexl/scripting/JexlScriptEngine.java
Fri Jul 31 19:05:03 2009
@@ -42,6 +42,8 @@
/**
* Implements the Jexl ScriptEngine for JSF-223.
* <p>
+ * This implementation only gives access to the ENGINE_SCOPE bindings.
+ * </p>
* See
* <a
href="http://java.sun.com/javase/6/docs/api/javax/script/package-summary.html";>Java
Scripting API</a>
* Javadoc.
@@ -121,7 +123,12 @@
/** {...@inheritdoc} */
public ScriptEngineFactory getFactory() {
- return factory == null ? new JexlScriptEngineFactory() : factory;
+ return factory == null ? SingletonHolder.DEFAULT_FACTORY : factory;
+ }
+
+ // IODH - lazy initialisation
+ private static class SingletonHolder {
+ private static final JexlScriptEngineFactory DEFAULT_FACTORY = new
JexlScriptEngineFactory();
}
/**
