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Enterprise JavaBeans 3.1, 6th Edition
book

Enterprise JavaBeans 3.1, 6th Edition

by Andrew Lee Rubinger, Bill Burke
September 2010
Intermediate to advanced content levelIntermediate to advanced
766 pages
18h 35m
English
O'Reilly Media, Inc.
Content preview from Enterprise JavaBeans 3.1, 6th Edition

Source Listing

Following is a full listing of all source code used in this runnable example.

Implementation Resources

ProtectExportUtil.java

package org.jboss.ejb3.examples.ch07.rsscache.impl.rome;

import java.net.MalformedURLException;
import java.net.URL;

/**
 * Package-private utilities to protect against mutable
 * state getting exported
 *
 * @author <a href="mailto:andrew.rubinger@jboss.org">ALR</a>
 */
class ProtectExportUtil
{
   //--------------------------------------------------------------------------||
   // Constructor -------------------------------------------------------------||
   //--------------------------------------------------------------------------||

   /**
    * Internal constructor; protects against instantiation
    */
   private ProtectExportUtil()
   {
   }

   //--------------------------------------------------------------------------||
   // Functional Methods ------------------------------------------------------||
   //--------------------------------------------------------------------------||

   /**
    * Returns a copy of the specified URL; used to ensure that mutable
    * internal state is not leaked out to clients
    * @param url
    * @return
    */
   static URL copyUrl(final URL url)
   {
      // If null, return
      if (url == null)
      {
         return url;
      }

      try
      {
         // Copy
         return new URL(url.toExternalForm());
      }
      catch (final MalformedURLException e)
      {
         throw new RuntimeException("Error in copying URL", e);
      }
   }
}

RomeRssEntry.java

package org.jboss.ejb3.examples.ch07.rsscache.impl.rome; import java.net.MalformedURLException; import ...
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Publisher Resources

ISBN: 9781449399139Errata Page