/**
* @see javax.servlet.ServletContextListener#contextInitialized(javax.servlet.ServletContextEvent)
*/
@Override
public void contextInitialized(ServletContextEvent sce) {
this.context = sce.getServletContext();
this.context.log("Configuring Program D Core from servlet context listener.");
// Check for the config parameter.
String config = this.context.getInitParameter(PARAM_CORE_CONFIG);
if (config == null || config.length() == 0) {
this.context.log(
"No \"" + PARAM_CORE_CONFIG + "\" init-param specified for Program D. Cannot continue.");
return;
}
// Create the base URL.
URL baseURL;
try {
baseURL = this.context.getResource("/");
} catch (MalformedURLException e) {
this.context.log("Error when getting base URL!", e);
return;
}
// Set up the Program D Core.
Core core = new Core(baseURL, URLTools.contextualize(baseURL, config));
this.context.setAttribute(KEY_CORE, core);
}
/**
* Processes whatever is at the given URL, returning nothing.
*
* @param url the URL at which to find whatever is to be processed
* @throws ProcessorException if there is a problem processing whatever is at the given URL
*/
public void process(URL url) throws ProcessorException {
this._logger.info(String.format("Loading \"%s\".", URLTools.unescape(url)));
processResponse(url);
}