[webbeans-commits] Webbeans SVN: r928 - ri/trunk/webbeans-ri/src/main/java/org/jboss/webbeans/resource.

[webbeans-commits at lists.jboss.org]

Author: pete.muir at jboss.org
Date: 2009-01-13 18:33:32 -0500 (Tue, 13 Jan 2009)
New Revision: 928

Added:
   ri/trunk/webbeans-ri/src/main/java/org/jboss/webbeans/resource/AbstractNaming.java
Log:
oops

Added: ri/trunk/webbeans-ri/src/main/java/org/jboss/webbeans/resource/AbstractNaming.java
===================================================================
--- ri/trunk/webbeans-ri/src/main/java/org/jboss/webbeans/resource/AbstractNaming.java	                        (rev 0)
+++ ri/trunk/webbeans-ri/src/main/java/org/jboss/webbeans/resource/AbstractNaming.java	2009-01-13 23:33:32 UTC (rev 928)
@@ -0,0 +1,80 @@
+package org.jboss.webbeans.resource;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.naming.Context;
+import javax.naming.NamingException;
+import javax.webbeans.ExecutionException;
+
+import org.jboss.webbeans.resources.spi.Naming;
+
+public abstract class AbstractNaming implements Naming
+{
+   
+   public abstract Context getContext();
+   
+   /**
+    * Binds in item to JNDI
+    * 
+    * @param key The key to bind under
+    * @param value The value to bind
+    */
+   public void bind(String key, Object value)
+   {
+      try
+      {
+         List<String> parts = splitIntoContexts(key);
+         Context context = getContext();
+         for (int i = 0; i < parts.size() - 1; i++)
+         {
+            context = (Context) context.lookup(parts.get(i));
+         }
+         context.bind(parts.get(parts.size() - 1), value);
+      }
+      catch (NamingException e)
+      {
+         throw new ExecutionException("Cannot bind " + value + " to " + key, e);
+      }
+   }
+
+   /**
+    * Lookup an item from JNDI
+    * 
+    * @param name The key
+    * @param expectedType The expected return type
+    * @return The found item
+    */
+   @SuppressWarnings("unchecked")
+   public <T> T lookup(String name, Class<? extends T> expectedType)
+   {
+      Object instance;
+      try
+      {
+         instance = getContext().lookup(name);
+      }
+      catch (NamingException e)
+      {
+         throw new ExecutionException("Cannot lookup " + name, e);
+      }
+      try
+      {
+         return (T) instance;
+      }
+      catch (ClassCastException e)
+      {
+         throw new ExecutionException(instance + " not of expected type " + expectedType, e);
+      }
+   }
+   
+   private static List<String> splitIntoContexts(String key)
+   {
+      List<String> parts = new ArrayList<String>();
+      for (String part : key.split("/"))
+      {
+         parts.add(part);
+      }
+      return parts;
+   }
+   
+}
\ No newline at end of file


Property changes on: ri/trunk/webbeans-ri/src/main/java/org/jboss/webbeans/resource/AbstractNaming.java
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Name: svn:mime-type
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