Connect to RSS Feeds from a Connection Pool in Jetty

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RSS JDBC Driver

Easy-to-use RSS client driver enables developers to build Java applications that easily consume RSS feeds.



The RSS JDBC Driver supports connection pooling: This article shows how to connect faster to RSS feeds from Web apps in Jetty.

The CData JDBC driver for RSS is easy to integrate with Java Web applications. This article shows how to efficiently connect to RSS feeds in Jetty by configuring the driver for connection pooling. You will configure a JNDI resource for RSS in Jetty.

Configure the JDBC Driver for Salesforce as a JNDI Data Source

Follow the steps below to connect to Salesforce from Jetty.

  1. Enable the JNDI module for your Jetty base. The following command enables JNDI from the command-line:

    java -jar ../start.jar --add-to-startd=jndi
  2. Add the CData and license file, located in the lib subfolder of the installation directory, into the lib subfolder of the context path.
  3. Declare the resource and its scope. Enter the required connection properties in the resource declaration. This example declares the RSS data source at the level of the Web app, in WEB-INF\jetty-env.xml.

    <Configure id='rssdemo' class="org.eclipse.jetty.webapp.WebAppContext"> <New id="rssdemo" class="org.eclipse.jetty.plus.jndi.Resource"> <Arg><Ref refid="rssdemo"/></Arg> <Arg>jdbc/rssdb</Arg> <Arg> <New class="cdata.jdbc.rss.RSSDriver"> <Set name="url">jdbc:rss:</Set> <Set name="URI">http://broadcastCorp/rss/</Set> </New> </Arg> </New> </Configure>

    You can connect to RSS and Atom feeds, as well as feeds with custom extensions. To connect to a feed, set the URL property. You can also access secure feeds. A variety of authentication mechanisms are supported. See the help documentation for details.

  4. Configure the resource in the Web.xml:

    jdbc/rssdb javax.sql.DataSource Container
  5. You can then access RSS with a lookup to java:comp/env/jdbc/rssdb: InitialContext ctx = new InitialContext(); DataSource myrss = (DataSource)ctx.lookup("java:comp/env/jdbc/rssdb");

More Jetty Integration

The steps above show how to configure the driver in a simple connection pooling scenario. For more use cases and information, see the Working with Jetty JNDI chapter in the Jetty documentation.