CODEWITHSUNDEEP
javaweblogicdatasourcejndilookup
CarlosLeo
CarlosLeo

Reputation: 123

Get JNDI Names from DataSource after lookup

What I want to achieve is to get the JNDI name as a String from a DataSource object.

I have the following code to get the DataSource:

Context ctx = new InitialContext();
DataSource ds = (DataSource) ctx.lookup("java:/comp/env/dataPool");

My weblogic-ejb-jar.xml where JNDI name is set:

<?xml version="1.0" encoding="UTF-8"?>
<weblogic-ejb-jar xmlns="http://xmlns.oracle.com/weblogic/weblogic-ejb-jar" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.oracle.com/weblogic/weblogic-ejb-jar http://xmlns.oracle.com/weblogic/weblogic-ejb-jar/1.6/weblogic-ejb-jar.xsd">
    <weblogic-enterprise-bean>
        <ejb-name>AdminBean</ejb-name>
        <stateless-session-descriptor></stateless-session-descriptor>
        <resource-description>
            <res-ref-name>dataPool</res-ref-name>
            <jndi-name>jdbc/CARGAS</jndi-name>
        </resource-description>
    </weblogic-enterprise-bean>
</weblogic-ejb-jar>

So, when I get the ds object actually I can see the JndiNames but I cannot find the way to get it out from it:

As you can see

My first guess was to do something like ds.getJndiNames but I only have the folowing options:

enter image description here

Any ideas how to do it?

Upvotes: 1

Views: 2495

Answers (1)

CarlosLeo
CarlosLeo

Reputation: 123

Ok!

So at the end I use Reflection to achieve what I want to.

Here my solution:

public String getJndiName() {
    try {
        Context ctx = new InitialContext();
        DataSource ds = (DataSource) ctx.lookup("java:/comp/env/dataPool");
        Method method = ds.getClass().getMethod("getJNDINames");
        String[] jndi = (String[])method.invoke(ds);
       return jndi[0];
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

Hope it will be helpfull for anyone else in the future :-)

Upvotes: 0

Related Questions