58 lines
2.8 KiB
Java
58 lines
2.8 KiB
Java
package com.baeldung.servlets;
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import java.io.IOException;
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import java.io.PrintWriter;
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import javax.servlet.annotation.WebServlet;
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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(name = "MyHttpServlet", urlPatterns = "/servlet-mapping")
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public class MyHttpServlet extends HttpServlet {
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public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
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PrintWriter writer = response.getWriter();
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writer.println(request.getParameter("function"));
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if ("getContextPath".equals(request.getParameter("function"))) {
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writer.println(request.getContextPath());
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} else if ("getLocalAddr".equals(request.getParameter("function"))) {
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writer.println(request.getLocalAddr());
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} else if ("getLocalName".equals(request.getParameter("function"))) {
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writer.println(request.getLocalName());
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} else if ("getLocalAPort".equals(request.getParameter("function"))) {
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writer.println(request.getLocalPort());
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} else if ("getMethod".equals(request.getParameter("function"))) {
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writer.println(request.getMethod());
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} else if ("getParameterNames".equals(request.getParameter("function"))) {
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writer.println(request.getParameterNames());
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} else if ("getPathInfo".equals(request.getParameter("function"))) {
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writer.println(request.getPathInfo());
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} else if ("getProtocol".equals(request.getParameter("function"))) {
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writer.println(request.getProtocol());
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} else if ("getQueryString".equals(request.getParameter("function"))) {
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writer.println(request.getQueryString());
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} else if ("getRequestedSessionId".equals(request.getParameter("function"))) {
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writer.println(request.getRequestedSessionId());
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} else if ("getRequestURI".equals(request.getParameter("function"))) {
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writer.println(request.getRequestURI());
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} else if ("getRequestURL".equals(request.getParameter("function"))) {
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writer.println(request.getRequestURL());
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} else if ("getScheme".equals(request.getParameter("function"))) {
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writer.println(request.getScheme());
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} else if ("getServerName".equals(request.getParameter("function"))) {
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writer.println(request.getServerName());
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} else if ("getServerPort".equals(request.getParameter("function"))) {
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writer.println(request.getServerPort());
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} else if ("getServletPath".equals(request.getParameter("function"))) {
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writer.println(request.getServletPath());
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} else {
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writer.println("INVALID FUNCTION");
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}
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writer.flush();
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}
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}
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