ValidateMultiBoxWithSelectAllCheckBox.java

/**
 * Copyright © 2002 Instituto Superior Técnico
 *
 * This file is part of FenixEdu Academic.
 *
 * FenixEdu Academic is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * FenixEdu Academic is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with FenixEdu Academic.  If not, see <http://www.gnu.org/licenses/>.
 */
/*
 * Created on 2003/04/07
 *
 */

package org.fenixedu.academic.ui.struts.validator;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;

import org.apache.commons.validator.Field;
import org.apache.commons.validator.ValidatorAction;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.DynaActionForm;

/**
 * @author Luis Cruz & Sara Ribeiro
 * 
 */
public class ValidateMultiBoxWithSelectAllCheckBox {

    public static boolean validate(Object bean, ValidatorAction va, Field field, ActionMessages errors,
            HttpServletRequest request, ServletContext application) {

        try {

            DynaActionForm form = (DynaActionForm) bean;
            Boolean selectAllBox = (Boolean) form.get(field.getProperty());
            String sProperty2 = field.getVarValue("secondProperty");
            String[] multiBox = (String[]) form.get(sProperty2);

            if (((selectAllBox != null) && selectAllBox.booleanValue()) || (multiBox != null) && (multiBox.length > 0)) {
                return true;
            }
            errors.add(field.getKey(), new ActionMessage("errors.required.checkbox", field.getArg(0).getKey()));
            return false;

        } catch (Exception e) {
            errors.add(field.getKey(), new ActionMessage("errors.required.checkbox", field.getArg(0).getKey()));
            return false;
        }

    }

}