Archive for category Java

1 second guide – enabling gzip compression in Apache Tomcat

Posted by rn in Java, Software Engineering on March 18th, 2010

This is one of those note-to-self posts.

Add the following attributes to the <Connector> in Tomcat’s server.xml to enable gzip compression of responses:

   compression="on" compressionMinSize="2048"
   compressableMimeType="text/html,text/xml,text/csv,text/css,text/javascript"

Done.

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Wicket On Google App Engine (GAE) – Deployment Configuration

Posted by rn in Java, Software Engineering on March 7th, 2010

Just a quick tip – generally with Wicket we want to supply our application with a way to choose between “Development” vs. “Deployment” mode automatically, so that we can get stack traces etc. during development and disable development features for deployment. Google App Engine sets a convenient JVM property to enable this -

class MyWicketApplication extends Application {
   .....
    private boolean isProd =
        "Production".equalsIgnoreCase(
            System.getProperty("com.google.appengine.runtime.environment"));

    @Override
    public String getConfigurationType() {
        return (isProd ? "DEPLOYMENT" : "DEVELOPMENT");
    }
}

Bam – Wickety GAE love!

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