[jboss-cvs] JBossAS SVN: r73402 - projects/ejb3/trunk/common/src/main/java/org/jboss/ejb3/common/lang.

[jboss-cvs-commits at lists.jboss.org]

Author: ALRubinger
Date: 2008-05-14 21:13:27 -0400 (Wed, 14 May 2008)
New Revision: 73402

Modified:
   projects/ejb3/trunk/common/src/main/java/org/jboss/ejb3/common/lang/ClassHelper.java
Log:
[EJBTHREE-1365] Add a getClassFromTypeName Utility

Modified: projects/ejb3/trunk/common/src/main/java/org/jboss/ejb3/common/lang/ClassHelper.java
===================================================================
--- projects/ejb3/trunk/common/src/main/java/org/jboss/ejb3/common/lang/ClassHelper.java	2008-05-15 01:12:17 UTC (rev 73401)
+++ projects/ejb3/trunk/common/src/main/java/org/jboss/ejb3/common/lang/ClassHelper.java	2008-05-15 01:13:27 UTC (rev 73402)
@@ -27,7 +27,7 @@
 import java.util.List;
 
 /**
- * Usefull methods for classes.
+ * Useful methods for classes.
  *
  * @author <a href="mailto:carlo.dewolf at jboss.com">Carlo de Wolf</a>
  * @version $Revision$
@@ -159,6 +159,31 @@
       return result;
    }
    
+   /**
+    * Obtains a Class corresponding to the specified type using
+    * the specified ClassLoader, throwing a descriptive RuntimeException
+    * in the case the Class could not be found
+    * 
+    * @param type
+    * @param cl
+    * @return
+    * @author ALR
+    */
+   public static final Class<?> getClassFromTypeName(String type, ClassLoader cl)
+   {
+      try
+      {
+         // Load the class
+         return cl.loadClass(type);
+      }
+      catch (ClassNotFoundException e)
+      {
+         // Throw descriptive message
+         throw new RuntimeException("Specified class " + type + " could not be found by the "
+               + ClassLoader.class.getSimpleName() + ", " + cl, e);
+      }
+   }
+   
    private static void populateWithMethodsByName(List<Method> methods, Class<?> cls, String methodName)
    {
       // Top of the world