| gvSIG desktop 1

//******************************************************************

// NotEmptyValidator

// Copyright ? 2003 by Tino Schwarze

//******************************************************************

package com.izforge.izpack.util;

import com.izforge.izpack.panels.ProcessingClient;

import com.izforge.izpack.panels.Validator;

/**

 * A validator to enforce non-empty fields.

 * 

 * This validator can be used for rule input fields in the UserInputPanel to make

 * sure that the user entered something.

 * 

 * @author tisc

 */

public class NotEmptyValidator implements Validator

{

  public boolean validate(ProcessingClient client)

  {

    int numfields = client.getNumFields();

    for (int i = 0; i < numfields; i++)

    {

      String value = client.getFieldContents(i);

      if ((value == null) || (value.length() == 0))

        return false;

    }

    return true;

  }

}