How do I connect to a Websphere Datasource with a given JNDI name?

Question

I\'m using Websphere Portal 7.0 and creating a portlet with RAD 8.0. My portlet is trying to make a db2 connection to a remote server. I wrote a java program locally to do a

Answer 1

For those like me, only needing information on how to connect to a (DB2) WAS Data Source from Java using JNDI lookup (Used IBM Websphere 8.5.5 & DB2 Universal JDBC Driver Provider with implementation class: com.ibm.db2.jcc.DB2ConnectionPoolDataSource):

public DataSource getJndiDataSource() throws NamingException {
    DataSource datasource = null;
    InitialContext context = new InitialContext();
    // Tomcat/Possibly others: java:comp/env/jdbc/myDatasourceJndiName
    datasource = (DataSource) context.lookup("jdbc/myDatasourceJndiName");
    return datasource;
}