/**
    * Originally contributed by eMation (www.emation.pt)
    */
   package org.itracker.services.authentication.adsson;
   
   import javax.security.auth.callback.Callback;
   import javax.security.auth.callback.CallbackHandler;
   import javax.security.auth.callback.NameCallback;
   import javax.security.auth.callback.PasswordCallback;
  import javax.security.auth.callback.UnsupportedCallbackException;
  
  /**
   * Callback class for Active Directory authentication Gets username and password
   * from class constructor
   * 
   * @author ricardo
   * 
   */
  public class SimpleCallbackHandler implements CallbackHandler {
  
      private String username;
  
      private String password;
  
      public SimpleCallbackHandler(String username, String password) {
          super();
          this.username = username;
          this.password = password;
      }
  
      public void handle(Callback[] callbacks) throws java.io.IOException, UnsupportedCallbackException {
  
          for (int i = 0; i < callbacks.length; i++) {
              if (callbacks[i] instanceof NameCallback) {
                  NameCallback cb = (NameCallback) callbacks[i];
                  cb.setName(username);
              } else if (callbacks[i] instanceof PasswordCallback) {
                  PasswordCallback cb = (PasswordCallback) callbacks[i];
                  cb.setPassword(password.toCharArray());
              } else {
                  throw new UnsupportedCallbackException(callbacks[i]);
              }
          }
  
      }
  }