Servlet OutputStream : Response « Servlet « Java Tutorial

1. Java Tutorial
2. Servlet
3. Response

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.net.*;

public class MyServlet extends HttpServlet {
  
  public void doGet(HttpServletRequest req, HttpServletResponse res)
                               throws ServletException, IOException {

    ServletOutputStream out = res.getOutputStream();
    res.setContentType("text/plain"); 

    String file = req.getPathInfo();
    if (file == null) {
      out.println("Extra path info was null; should be a resource to view");
      return;
    }

    URL url = getServletContext().getResource(file);
    if (url == null) {
      out.println("Resource " + file + " not found");
      return;
    }

    URLConnection con = null;
    try {
      con = url.openConnection();
      con.connect();
    }
    catch (IOException e) {
      out.println("Resource " + file + " could not be read: " + e.getMessage());
      return;
    }
  }
}

<?xml version="1.0" encoding="ISO-8859-1"?>

<!DOCTYPE web-app
    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
    "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">

<web-app>
    <servlet><servlet-name>MyServletName</servlet-name>
             <servlet-class>MyServlet</servlet-class>

             
    </servlet>
    
    <servlet-mapping><servlet-name>MyServletName</servlet-name>
        <url-pattern>/index.html</url-pattern>
    </servlet-mapping>
</web-app>

25.13.Response
	25.13.1.	Servlet Response Send Redirect
	25.13.2.	Servlet Response Send Error
	25.13.3.	Servlet OutputStream
	25.13.4.	Get Servlet OutputStream from Servlet Response
	25.13.5.	HTTP Response