Java tutorial
/* * Jamm * Copyright (C) 2002 Dave Dribin and Keith Garner * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package jamm.webapp; import javax.servlet.http.HttpServletRequest; import org.apache.commons.validator.Field; import org.apache.commons.validator.GenericValidator; import org.apache.commons.validator.ValidatorAction; import org.apache.commons.validator.ValidatorUtil; import org.apache.struts.action.ActionErrors; import org.apache.struts.validator.Resources; /** * @author kgarner * * To change the template for this generated type comment go to * Window>Preferences>Java>Code Generation>Code and Comments */ public class JammValidators { /** * Checks if a field is identical to a second field. Useful for * cases where you are comparing passwords. Based on work in the * <i>Struts in Action</i> published by Manning. * * @param bean The bean validation is being performed on. * @param va The ValidatorAction that is currently being performed. * @param field The Field object associated with the current field * being validated. * @param errors The ActionErrors object to add errors to if any * validation errors occur. * @param request Current request object. * @return True if valid or field blank, false otherwise. */ public static boolean validateIdentical(Object bean, ValidatorAction va, Field field, ActionErrors errors, HttpServletRequest request) { String value = ValidatorUtil.getValueAsString(bean, field.getProperty()); String sProperty2 = field.getVarValue("secondProperty"); String value2 = ValidatorUtil.getValueAsString(bean, sProperty2); if (!GenericValidator.isBlankOrNull(value)) { if (!value.equals(value2)) { errors.add(field.getKey(), Resources.getActionError(request, va, field)); return false; } } return true; } }