Java tutorial
/** * Copyright 2002 Instituto Superior Tcnico * * This file is part of FenixEdu Core. * * FenixEdu Core 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 Core 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 Core. If not, see <http://www.gnu.org/licenses/>. */ package net.sourceforge.fenixedu.presentationTier.validator.form; import javax.servlet.ServletContext; 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.util.ValidatorUtils; import org.apache.struts.action.ActionMessages; import org.apache.struts.validator.Resources; /** * @author Nuno Nunes (nmsn@rnl.ist.utl.pt) * @author Joana Mota (jccm@rnl.ist.utl.pt) */ public class GreaterThen { public static boolean validateFloat(Object bean, ValidatorAction va, Field field, ActionMessages errors, HttpServletRequest request, ServletContext application) { String inputString = ValidatorUtils.getValueAsString(bean, field.getProperty()); String lowerValueString = field.getVarValue("value"); if ((inputString == null) || (inputString.length() == 0)) { return true; } Double input = null; Double lowerValue = null; try { input = new Double(inputString); lowerValue = new Double(lowerValueString); } catch (NumberFormatException e) { errors.add(field.getKey(), Resources.getActionMessage(request, va, field)); return false; } if (!GenericValidator.isBlankOrNull(inputString)) { if (input.floatValue() <= lowerValue.floatValue()) { errors.add(field.getKey(), Resources.getActionMessage(request, va, field)); } return false; } return true; } public static boolean validateFloat0(Object bean, ValidatorAction va, Field field, ActionMessages errors, HttpServletRequest request, ServletContext application) { String inputString = ValidatorUtils.getValueAsString(bean, field.getProperty()); String lowerValueString = field.getVarValue("value"); if ((inputString == null) || (inputString.length() == 0)) { return true; } Double input = null; Double lowerValue = null; try { input = new Double(inputString); lowerValue = new Double(lowerValueString); } catch (NumberFormatException e) { errors.add(field.getKey(), Resources.getActionMessage(request, va, field)); return false; } if (!GenericValidator.isBlankOrNull(inputString)) { if (input.floatValue() < lowerValue.floatValue()) { errors.add(field.getKey(), Resources.getActionMessage(request, va, field)); } return false; } return true; } }