Gist for this step: https://developer.omniture.com/en_US/content_page/enterprise-api/c-retrieve-the-report

RetrieveTheReport.java

if(request.getMessage().equalsIgnoreCase("completed")) {
    try {
        /* Connect to the URL */
        URL url = new URL( request.getData_url() );
        URLConnection connection = url.openConnection();

        /* Attach the Security Header (X-WSSE) */
        connection.addRequestProperty("X-WSSE",  getSecurityHeader( "<your user name>","<your shared secret>" ));
        connection.setDoOutput(false);
 
        /* Establish an InputStream/BufferedReader to read the report */
        InputStream in = connection.getInputStream();
        BufferedReader res = new BufferedReader(new InputStreamReader(in, "UTF-8"));
		 
        /* Print each line of the report */
        String inputLine;
        while ((inputLine = res.readLine()) != null) {
            System.out.println(inputLine);
	}
        res.close();	 
    } catch (Exception e) {
        e.printStackTrace();
    }
} else {
    System.out.println("DW Check, message = " + request.getMessage());
}