?? handler.jsp
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<%@ page import="org.archive.crawler.admin.CrawlJobHandler"%><%@ page import="org.archive.crawler.admin.CrawlJob"%><%@ page import="org.archive.crawler.Heritrix"%><%@ page import="org.archive.crawler.framework.CrawlController"%><% /** * This include page ensures that the handler exists and is ready to be * accessed. */ CrawlJobHandler handler = (CrawlJobHandler)application.getAttribute("handler"); Heritrix heritrix = (Heritrix)application.getAttribute("heritrix"); // If handler is empty then this is the first time this bit of code is // being run since the server came online. In that case get or create the // handler. if (handler == null) { if(Heritrix.isSingleInstance()) { heritrix = Heritrix.getSingleInstance(); handler = heritrix.getJobHandler(); application.setAttribute("heritrix", heritrix); application.setAttribute("handler", handler); } else { // TODO: // If we get here, then there are multiple heritrix instances // and we have to put up a screen allowing the user choose between. // Otherwise, there is no Heritrix instance. Thats a problem. throw new RuntimeException("No heritrix instance (or multiple " + "to choose from and we haven't implemented this yet)"); } } // ensure controller's settingsHandler is always thread-installed // in web ui threads if(handler != null) { CrawlJob job = handler.getCurrentJob(); if(job != null) { CrawlController controller = job.getController(); if (controller != null) { controller.installThreadContextSettingsHandler(); } } }%>
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