com.github.davidmoten.rx.jdbc.ConnectionProviderFromContext Maven / Gradle / Ivy

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rx-java Observables for jdbc

There is a newer version: 0.7.19

package com.github.davidmoten.rx.jdbc;

import java.sql.Connection;
import java.sql.SQLException;

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.sql.DataSource;

public final class ConnectionProviderFromContext implements ConnectionProvider {

    private final String jndiResource;

    public ConnectionProviderFromContext(String jndiResource) {
        this.jndiResource = jndiResource;
    }

    @Override
    public Connection get() {
        try {
            Context ctx = new InitialContext();
            DataSource ds = (DataSource) ctx.lookup(jndiResource);
            Connection conn = ds.getConnection();
            return conn;
        } catch (SQLException e) {
            throw new RuntimeException(e);
        } catch (NamingException e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public void close() {
        // do nothing
    }

}