50 lines
1.7 KiB
Java
50 lines
1.7 KiB
Java
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import java.io.IOException;
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import java.util.Enumeration;
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import java.util.Map;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.Cookie;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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@WebServlet(urlPatterns = "/")
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public class app extends HttpServlet
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{
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@Override
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public void doGet(HttpServletRequest request, HttpServletResponse response)
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throws IOException, ServletException
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{
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response.addHeader("X-Var-1", request.getParameter("var1"));
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response.addHeader("X-Var-2", "" + (request.getParameter("var2") != null));
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response.addHeader("X-Var-3", "" + (request.getParameter("var3") != null));
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response.addHeader("X-Var-4", request.getParameter("var4"));
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Enumeration<String> parameter_names = request.getParameterNames();
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String names = "";
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for (int i = 0; parameter_names.hasMoreElements(); i++) {
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names = names.concat(parameter_names.nextElement() + " ");
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}
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response.addHeader("X-Param-Names", names);
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String[] parameter_values = request.getParameterValues("var4");
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String values = "";
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for (int i = 0; i < parameter_values.length; i++) {
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values = values.concat(parameter_values[i] + " ");
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}
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response.addHeader("X-Param-Values", values);
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Map <String, String[]> parameter_map = request.getParameterMap();
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String map = "";
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for (Map.Entry <String, String[]> p : parameter_map.entrySet()) {
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map = map.concat(p.getKey() + "=" + String.join(",", p.getValue()) + " ");
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}
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response.addHeader("X-Param-Map", map);
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}
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}
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