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4.5 Restricting Access to Web Pages

113

Listing 4.4 PasswordBuilder.java 

import java.util.*;

import java.io.*;

/** Application that writes a simple Java properties file

 *  containing usernames and associated passwords.

*/

public class PasswordBuilder {

  public static void main(String[] args) throws Exception {

    Properties passwords = new Properties();

    passwords.put("marty", "martypw");

    passwords.put("bj", "bjpw");

    passwords.put("lindsay", "lindsaypw");

    passwords.put("nathan", "nathanpw");

    // This location should *not* be Web accessible.

    String passwordFile =

      "C:\\JavaWebServer2.0\\data\\passwords.properties";

    FileOutputStream out = new FileOutputStream(passwordFile);

    // Using JDK 1.1 for portability among all servlet

    // engines. In JDK 1.2, use "store" instead of "save"

    // to avoid deprecation warnings.

    passwords.save(out, "Passwords");

  }

}

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