かんたんさーぶれっと

/*

 * すごく単純な Java Servletサンプルソースコード構築計画

 * Copyright (C) 2004 いがぴょん

 */
import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.IOException;

import java.util.Enumeration;
import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;
/**

 * すごく単純な Java Servletサンプルソースコード

 * @author iga

 */

public class SampleServlet extends HttpServlet {

	public static final String ENCODING = "UTF-8";
	public final void service(

		final HttpServletRequest request,

		final HttpServletResponse response)

		throws ServletException, IOException {
		BufferedReader reader = null;

		BufferedWriter writer = null;
		setResponseDefault(response);
		try {

			reader = request.getReader();

			writer = new BufferedWriter(response.getWriter());
			for (;;) {

				String line = reader.readLine();

				if (line == null) {

					break;

				}

				System.out.println("REQ:" + line);

			}

			writer.write("");

			writer.write("
はろう
");
			for (Enumeration enum = request.getHeaderNames();

				enum.hasMoreElements();

				) {

				String key = (String) enum.nextElement();

				writer.write(

					"
H:" + key + "=" + request.getHeader(key) + "
");

			}
			for (Enumeration enum = request.getAttributeNames();

				enum.hasMoreElements();

				) {

				String key = (String) enum.nextElement();

				writer.write(

					"
A:" + key + "=" + request.getAttribute(key) + "
");

			}
			for (Enumeration enum = request.getParameterNames();

				enum.hasMoreElements();

				) {

				String key = (String) enum.nextElement();

				String value =

					new String(

						((String) request.getParameter(key)).getBytes(

							"ISO8859-1"),

						"UTF-8");

				writer.write("
P:" + key + "=" + value + "
");

			}
			writer.write("
");

			writer.write(

				"");

			writer.write(

				"");

			writer.write("
");

			writer.write("");
		} finally {

			reader.close();

			writer.close();

		}

	}
	private void setResponseDefault(final HttpServletResponse response) {

		response.setContentType("text/html; charset=" + ENCODING);

		response.addHeader("Content-Type", "text/html");

		response.addHeader("charset", ENCODING);

		response.addHeader("Expires", "-1");

		response.addHeader("Cache-Control", "no-cache");

		response.addHeader("Pragma", "no-cache");

	}

}