threads.jsp

这是个爬虫和lucece相结合最好了

<%@include file="/include/handler.jsp"%>

<%
    String title = "Threads report";
    int tab = 4;
    String reportName = request.getParameter("name");
    
    String action = request.getParameter("action");
    String message = null;
    if(action != null && action.equals("killkillkill")){
        // Kill thread.
        try {
            if (handler.getCurrentJob() != null) {
                String threadNumber =request.getParameter("threadNumber");
                handler.getCurrentJob().
                    killThread(Integer.parseInt(threadNumber),
                        (request.getParameter("replace")!=null && 
                            request.getParameter("replace").equals("replace")));
                message = "Kill message sent to thread #" +
                    request.getParameter("threadNumber");
            }
        } catch(NumberFormatException e){
            message = "Kill operation failed";
        }
    }
%>

<%@include file="/include/head.jsp"%>
    <script type="text/javascript">
        function doKill(){
            thread = document.frmThread.threadNumber.value;
            if(confirm("Are you sure you wish to kill thread number " +
                            thread + "?\nThe action is irreversible " +
                            " and can potentially destablize the crawler."))
            {
                document.frmThread.action.value = "killkillkill";
                document.frmThread.submit();
            }
        }
    </script>
    <pre><%
    if (handler.getCurrentJob() != null) {
    	java.io.PrintWriter writer = new java.io.PrintWriter(out);
    	handler.getCurrentJob().writeThreadsReport(reportName,writer);
    	writer.flush();
    } else {
%> No current job <%
    }
    %></pre>
    <hr>
    <form name="frmThread" method="post" action="threads.jsp">
        <input type="hidden" name="action">
        <b>Thread number:</b> <input name="threadNumber" size="3"> <input type="checkbox" name="replace" value="replace"> Replace thread <input type="button" onClick="doKill()" value="Kill thread">
    </form>

<%@include file="/include/foot.jsp"%>