Mega Code Archive
Print various CGI variables that have been requested by the servlet
<![CDATA[
//*
* <servlet>
* <servlet-name>PrintCGI </servlet-name>
* <servlet-class>PrintCGI
* </servlet-class>
* </servlet>
*
* <servlet-mapping>
* <servlet-name>PrintCGI </servlet-name>
* <url-pattern>/PrintCGI </url-pattern>
* </servlet-mapping>
*/
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class PrintCGI extends HttpServlet {
/**
* doGet implementation, calls printCGIValues
*
* @param request
* @param response
* @throws IOException
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException {
printCGIValues(request, response);
}
/**
* doPost implementation, calls printCGIValues
*
* @param request
* @param response
* @throws IOException
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws IOException {
printCGIValues(request, response);
}
/**
* Prints CGI Environment Variables in a table
*
* @param request
* @param response
* @throws IOException
*/
public void printCGIValues(HttpServletRequest request,
HttpServletResponse response) throws IOException {
String headers = null;
String htmlHeader = "<HTML><HEAD><TITLE> CGI Environment Variables </TITLE></HEAD><BODY>";
String htmlFooter = "</BODY></HTML>";
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println(htmlHeader);
out.println("<TABLE ALIGN=CENTER BORDER=1>");
out.println("<tr><th> CGI Variable </th><th> Value </th>");
out.println("<tr><td align=center>Authentication Type</td>");
out.println("<td align=center>" + request.getAuthType() + "</td></tr>");
out.println("<tr><td align=center>Content Type</td>");
out.println("<td align=center>" + request.getContentType()
+ "</td></tr>");
out.println("<tr><td align=center>Content Type Length</td>");
out.println("<td align=center>" + request.getContentLength()
+ "</td></tr>");
out.println("<tr><td align=center>Query String</td>");
out.println("<td align=center>" + request.getMethod() + "</td></tr>");
out.println("<tr><td align=center>IP Address</td>");
out.println("<td align=center>" + request.getRemoteAddr()
+ "</td></tr>");
out.println("<tr><td align=center>Host Name</td>");
out.println("<td align=center>" + request.getRemoteHost()
+ "</td></tr>");
out.println("<tr><td align=center>Request URL</td>");
out.println("<td align=center>" + request.getRequestURI()
+ "</td></tr>");
out.println("<tr><td align=center>Servlet Path</td>");
out.println("<td align=center>" + request.getServletPath()
+ "</td></tr>");
out.println("<tr><td align=center>Server's Name</td>");
out.println("<td align=center>" + request.getServerName()
+ "</td></tr>");
out.println("<tr><td align=center>Server's Port</td>");
out.println("<td align=center>" + request.getServerPort()
+ "</td></tr>");
out.println("</TABLE><BR>");
out.println(htmlFooter);
}
}
]]>