ExportRestriction.java Source code

Introduction

Here is the source code for ExportRestriction.java

Source

import java.io.IOException;
import java.io.PrintWriter;

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

public class ExportRestriction extends HttpServlet {

    public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
        res.setContentType("text/html");
        PrintWriter out = res.getWriter();

        // Get the client's hostname
        String remoteHost = req.getRemoteHost();

        // See if the client is allowed
        if (!isHostAllowed(remoteHost)) {
            out.println("Access <BLINK>denied</BLINK>");
        } else {
            out.println("Access granted");
            // Display download links, etc...
        }
    }

    // Disallow hosts ending with .com
    private boolean isHostAllowed(String host) {
        return (!host.endsWith(".com"));
    }
}