Java tutorial
/** * MIT License * * Copyright (c) 2017 Wolf Angelo * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package com.github.angelowolf.implementaciones; import com.github.angelowolf.validacion.IValidable; import org.apache.commons.lang3.StringUtils; import org.apache.commons.validator.routines.EmailValidator; /** * * Valida si email no es nulo, no esta vacio, esta en un formato valido y que no * supere la cantidad de caracteres indicadas. * * @author Angelo Wolf angelowolf21@gmail.com */ public class ValidacionEmailMaximo implements IValidable<String> { private final int maximoCaracteres; public ValidacionEmailMaximo(int maximoCaracteres) { this.maximoCaracteres = maximoCaracteres; } @Override public boolean validate(String propiedadAEvaluar) { if (StringUtils.isBlank(propiedadAEvaluar)) { return true; } else { if (propiedadAEvaluar.length() > this.maximoCaracteres) { return true; } else { EmailValidator validator = EmailValidator.getInstance(); if (!validator.isValid(propiedadAEvaluar)) { return true; } } } return false; } }