Java tutorial
package org.biopax.validator.rules; /* * #%L * BioPAX Validator * %% * Copyright (C) 2008 - 2013 University of Toronto (baderlab.org) and Memorial Sloan-Kettering Cancer Center (cbio.mskcc.org) * %% * This program 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. * * 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 Lesser Public License for more details. * * You should have received a copy of the GNU General Lesser Public * License along with this program. If not, see * <http://www.gnu.org/licenses/lgpl-3.0.html>. * #L% */ import java.net.URI; import org.biopax.paxtools.model.BioPAXElement; import org.biopax.validator.api.AbstractRule; import org.biopax.validator.api.beans.Validation; import org.springframework.stereotype.Component; @Component public class BiopaxElementIdRule extends AbstractRule<BioPAXElement> { public boolean canCheck(Object thing) { return thing instanceof BioPAXElement; } public void check(final Validation validation, BioPAXElement thing) { String rdfid = thing.getUri(); if (rdfid != null) { try { URI.create(rdfid); } catch (IllegalArgumentException e) { error(validation, thing, "invalid.rdf.id", false, "not a valid URI: " + rdfid); } } else error(validation, thing, "invalid.rdf.id", false, "null value"); } }