package org.naftulin.configmgr.content;

 import java.util.LinkedList;

 import java.util.List;

 import org.naftulin.configmgr.ConfigurationManagerException;

 import org.naftulin.configmgr.parsers.ConfigEntryParser;

 import org.naftulin.configmgr.parsers.DbJndiParserImpl;

 /**

  * Represents a db jndi entry, with it's key, name-value pairs and parser class.

  * Intended to mirror master configuration rules for external configuration.

  * The external configuraton xml is:

  * <pre>

  *         <dbjndi key="the key"

                 initialContextFactory="optional contenxt factory" 

                 jndiName="jdni name"                

                 sql="sql that selects at least key and value columns from any table(s) or view with any static where condition"

                 keyColumnName="column name where the key is selected"

                 valueColumnName="column name where the value is selected"

  * 

  * >

                 <param name="key1" value="value1" />

                 .....

                 <param name="keyn" value="valuen" />

         </dbjndi>

  * </pre>

  * 

  * @author Henry Henry

  * @since 1.3

  */

 public class DbJndiRecordImpl extends AbstractRecordImpl {

         private String initialContextFactory;

         private String jndiName;

         private String sql;

         private String keyColumnName;

         private String valueColumnName;

         private final List<NameValuePairImpl> nameValuePairs = new LinkedList<NameValuePairImpl>();

         private ConfigEntryParser parser;

         public String getKeyColumnName() {

                 return keyColumnName;

         }

         public void setKeyColumnName(final String keyColumnName) {

                 this.keyColumnName = keyColumnName;

         }

         public List<NameValuePairImpl> getNameValuePairs() {

                 return nameValuePairs;

         }

         /**

          * Adds a name-value pair as it is read from the master configuration.

          * @param nv the name value pair.

          */

         public void addNameValuePair(final NameValuePairImpl nv) {

                 nameValuePairs.add(nv);

         }

         public String getInitialContextFactory() {

                 return initialContextFactory;

         }

         public void setInitialContextFactory(final String initialContextFactory) {

                 this.initialContextFactory = initialContextFactory;

         }

         public String getJndiName() {

                 return jndiName;

         }

         public void setJndiName(final String jndiName) {

                 this.jndiName = jndiName;

         }

         public String getSql() {

                 return sql;

         }

         public void setSql(final String sql) {

                 this.sql = sql;

         }

         public String getValueColumnName() {

                 return valueColumnName;

         }

         public void setValueColumnName(final String valueColumnName) {

                 this.valueColumnName = valueColumnName;

         }

         public synchronized ConfigEntryParser getParser() throws ConfigurationManagerException {

                 if (parser == null) {

                         parser = new DbJndiParserImpl(jndiName, initialContextFactory, sql, keyColumnName, valueColumnName, nameValuePairs);

                 }

                 return parser;

         }

         /**

          * Since it is not a file-based cofiguration, we need to overwrite the method.

          * @return false

          */

         public boolean isGetUrlForFile() {

                 return false;

         }

         public String getFileName() {

                 return "jndi name : " + jndiName + " initial Context Factory " + initialContextFactory + " sql " + sql;                

         }

 }