org.apache.commons.scaffold.sql
Class ServletAdaptor

java.lang.Object
  org.apache.commons.scaffold.sql.ConnectionAdaptor
      org.apache.commons.scaffold.sql.ServletAdaptor

public class ServletAdaptor

extends ConnectionAdaptor

Connection adaptor for a connection pool that is exposed through the servlet context, like the Struts generic connection pool.

The ConnectionServlet will automatically set a reference to itself if an instance of this class is specified as the ConnectionAdaptor.

Version:

$Revision: 1.5 $ $Date: 2004/03/21 21:10:27 $

Field Summary

Fields inherited from class org.apache.commons.scaffold.sql.ConnectionAdaptor

DATA_SOURCE_KEY, datasource, JNDI_CONTEXT_KEY, pool

Constructor Summary

ServletAdaptor()

Method Summary

protected javax.sql.DataSource	getDataSource(java.lang.String key) Return datasource from the servlet context using key as the attribute name.
void	setServlet(javax.servlet.http.HttpServlet servlet) Set a reference to a servlet in the application to allow access to the servlet context.

Methods inherited from class org.apache.commons.scaffold.sql.ConnectionAdaptor

getConnection, getConnection, getKey, getMessage, getPool, setKey, setMessage

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ServletAdaptor

public ServletAdaptor()

Method Detail

setServlet

public void setServlet(javax.servlet.http.HttpServlet servlet)

Set a reference to a servlet in the application to allow access to the servlet context.

getDataSource

protected javax.sql.DataSource getDataSource(java.lang.String key)
                                      throws java.sql.SQLException

Return datasource from the servlet context using key as the attribute name.

Overrides:

getDataSource in class ConnectionAdaptor

Parameters:

key - The attribute name for the resource. If null is passed, null is returned.

Returns:

null or the datasource object related to "key" TODO: Add cache to store references to the datasources by key.

Throws:

java.sql.SQLException