Java tutorial
/******************************************************************************* * QBiC Project Wizard enables users to create hierarchical experiments including different study conditions using factorial design. * Copyright (C) "2016" Andreas Friedrich * * 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 3 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, see <http://www.gnu.org/licenses/>. *******************************************************************************/ package control; import com.vaadin.data.Validator; import life.qbic.openbis.openbisclient.IOpenBisClient; public class ProjectNameValidator implements Validator { IOpenBisClient openbis; public ProjectNameValidator(IOpenBisClient openbis) { this.openbis = openbis; } @Override public void validate(Object value) throws InvalidValueException { String val = (String) value; if (val != null && !val.isEmpty()) if (openbis.getProjectByCode(val.toUpperCase()) != null) throw new InvalidValueException("Project code already in use"); } }