package org.naftulin.configmgr.parsers;

 import java.net.URL;

 import java.util.List;

 import java.util.Properties;

 import javax.naming.InitialContext;

 import javax.naming.NamingException;

 import org.naftulin.configmgr.ConfigurationManagementEntry;

 import org.naftulin.configmgr.ConfigurationManagementEntryImpl;

 import org.naftulin.configmgr.ConfigurationManagerException;

 import org.naftulin.configmgr.ConfigurationType;

 import org.naftulin.configmgr.content.NameValuePairImpl;

 /*

  * 

  */

 public class JndiParserImpl extends AbstractJndiParser implements ConfigEntryParser {

         private static final long serialVersionUID = 1L;

         public JndiParserImpl(final String jndiName, final String initialContextFactory, final List<NameValuePairImpl> nameValuePairs) {

                 super(jndiName, initialContextFactory, nameValuePairs);                

         }

         /**

          * Returns configuratoin management entry that contains an object stored in JNDI under JNDI name provided in configuration descriotion. 

          * Second sql provided is executed against the database connection and lastly the results are read based on the columns provided in the

          * configuration.

          * @param key configuration management key

          * @param fileUrl file url is null, since jndi configuration is not file URL based.

          * @return Configuration management entry.

          */

         public ConfigurationManagementEntry getConfigurationManagementEntry(

                         String key, URL fileUrl) throws ConfigurationManagerException {

                 ConfigurationManagementEntry entry = null;

                 // at this point connect to the database, and get the info

                 validateParameters(key);

                 final Properties props = new Properties();

                 prepareJndiProperties(props);

                 try {

                         InitialContext context = null;

                         context = getJndiContext(key, props, context);

                         log.info("Initial context created for jndiName " + jndiName);

                         final Object content =  context.lookup(jndiName);

                         final String fileName = "jndiName : " + jndiName;

                         entry = new ConfigurationManagementEntryImpl(key, fileName, content, this, ConfigurationType.JNDI);

                         log.info("configuration management entry created for key " + key + " with jndi name " + jndiName);

                 } catch (NamingException e) {

                         log.error("Could not lookup jndi name: " + jndiName + " and other parameters from configuration " + key, e);

                         throw new ConfigurationManagerException("Could not lookup jndi name: " + jndiName + " and other parameters from configuration " + key, e);

                 } 

                 return entry;

         }

 }