ResourceServlet.java Source code

Introduction

Here is the source code for ResourceServlet.java

Source

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;

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

public class ResourceServlet extends HttpServlet {

    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        //get web.xml for display by a servlet
        String file = "/WEB-INF/web.xml";

        URL url = null;
        URLConnection urlConn = null;
        PrintWriter out = null;
        BufferedInputStream buf = null;
        try {
            out = response.getWriter();
            url = getServletContext().getResource(file);
            //set response header
            response.setContentType("text/xml");

            urlConn = url.openConnection();
            //establish connection with URL presenting web.xml
            urlConn.connect();
            buf = new BufferedInputStream(urlConn.getInputStream());
            int readBytes = 0;
            while ((readBytes = buf.read()) != -1)
                out.write(readBytes);
        } catch (MalformedURLException mue) {
            throw new ServletException(mue.getMessage());
        } catch (IOException ioe) {
            throw new ServletException(ioe.getMessage());
        } finally {
            if (out != null)
                out.close();
            if (buf != null)
                buf.close();
        }
    }

    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        doGet(request, response);
    }
}