sjyun’s gists

sjyun / HelloServlet

Created May 7, 2014 07:27

servlet3.0 annotation ex

	import java.io.IOException;
	import javax.servlet.ServletException;
	import javax.servlet.annotation.WebServlet;
	import javax.servlet.http.HttpServlet;
	import javax.servlet.http.HttpServletRequest;
	import javax.servlet.http.HttpServletResponse;

	@WebServlet(name="HelloServlet", urlPatterns ={"/hello"} )
	public class HelloServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

sjyun / initParamServlet

Created May 7, 2014 07:38

초기화파라미터 전달

	package test0911;

	import java.io.IOException;

	import javax.servlet.ServletConfig;
	import javax.servlet.ServletException;
	import javax.servlet.annotation.WebInitParam;
	import javax.servlet.annotation.WebServlet;
	import javax.servlet.http.HttpServlet;
	import javax.servlet.http.HttpServletRequest;

sjyun / HelloServlet2

Created May 7, 2014 07:45

HelloServlet2

	import java.io.IOException;
	import java.io.PrintWriter;
	import javax.servlet.ServletException;
	import javax.servlet.annotation.WebServlet;
	import javax.servlet.http.HttpServlet;
	import javax.servlet.http.HttpServletRequest;
	import javax.servlet.http.HttpServletResponse;

	@WebServlet(name="HelloServlet2", urlPatterns ={"/hello2"} )
	public class HelloServlet2 extends HttpServlet {

sjyun / ServletLifeCycle

Created May 7, 2014 07:53

ServletLifeCycle.java

	import javax.servlet.ServletException;
	import javax.servlet.annotation.WebServlet;
	import javax.servlet.http.HttpServlet;
	import javax.servlet.http.HttpServletRequest;
	import javax.servlet.http.HttpServletResponse;

	@WebServlet("/life")
	public class ServletLifeCycle extends HttpServlet{
	private static final long serialVersionUID = 1L;

sjyun / form.html

Created May 7, 2014 08:38

간단한 html form

	<!doctype html>
	<html lang="ko">
	<head>
	<meta http-equiv="Content-Script-Type" content="text/javascript">
	<meta http-equiv="Content-Style-Type" content="text/css">

	<style type="text/css">

sjyun / gist:61ff5b947a3455e15ffc

Created May 7, 2014 08:43

upload 용 jsp

	<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8"%>
	<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
	<html>
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
	<title>upload 예제</title>
	<style type="text/css">
	input[type=file] {
	-webkit-appearance: textfield;

sjyun / UploadServlet.java

Created May 7, 2014 08:52

UploadServlet.java


	import java.io.File;
	import java.io.FileNotFoundException;
	import java.io.FileOutputStream;
	import java.io.IOException;
	import java.io.InputStream;
	import java.io.OutputStream;
	import java.io.PrintWriter;

	import javax.servlet.ServletException;

sjyun / AsyncServlet

Created May 7, 2014 09:11

AsyncServlet

	import javax.servlet.AsyncContext;
	import javax.servlet.ServletContext;
	import javax.servlet.ServletException;
	import javax.servlet.annotation.WebServlet;
	import javax.servlet.http.HttpServlet;
	import javax.servlet.http.HttpServletRequest;
	import javax.servlet.http.HttpServletResponse;

	@WebServlet(name="AsyncServlet", urlPatterns="/async", asyncSupported=true)
	public class AsyncServlet extends HttpServlet {

sjyun / async client

Created May 7, 2014 09:17

async CLient jsp

	<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8"%>
	<!DOCTYPE html>
	<html>
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
	<title>비동기요청페이지</title>
	</head>
	<body>
	<h1>서블릿 비동기 테스트</h1>

sjyun / clientIP얻기

Created May 9, 2014 07:37

ip 얻기

	public static String getClientIp(HttpServletRequest request) {
	String ip = request.getHeader("X-Forwarded-For");
	if (ip == null \|\| ip.length() == 0 \|\| "unknown".equalsIgnoreCase(ip)) {
	ip = request.getHeader("Proxy-Client-IP");
	}
	if (ip == null \|\| ip.length() == 0 \|\| "unknown".equalsIgnoreCase(ip)) {
	ip = request.getHeader("WL-Proxy-Client-IP");
	}
	if (ip == null \|\| ip.length() == 0 \|\| "unknown".equalsIgnoreCase(ip)) {
	ip = request.getHeader("HTTP_CLIENT_IP");

grayjin sjyun