import java.io.*;
import java.util.*;
import javax.servlet.*;
public class ServerSnoop extends GenericServlet {
public void service(ServletRequest req, ServletResponse res)
throws ServletException, IOException {
res.setContentType("text/plain");
PrintWriter out = res.getWriter();
out.println("req.getServerName(): " + req.getServerName());
out.println("req.getServerPort(): " + req.getServerPort());
out.println("getServletContext().getServerInfo(): " +
getServletContext().getServerInfo());
out.println("getServerInfo() name: " +
getServerInfoName(getServletContext().getServerInfo()));
out.println("getServerInfo() version: " +
getServerInfoVersion(getServletContext().getServerInfo()));
out.println("getServletContext().getAttribute(\"attribute\"): " +
getServletContext().getAttribute("attribute"));
}
private String getServerInfoName(String serverInfo) {
int slash = serverInfo.indexOf('/');
if (slash == -1) return serverInfo;
else return serverInfo.substring(0, slash);
}
private String getServerInfoVersion(String serverInfo) {
int slash = serverInfo.indexOf('/');
if (slash == -1) return null;
else return serverInfo.substring(slash + 1);
}
}
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