Java tutorial
/** * Copyright or or Copr. Ministre Franais charg de la Culture * et de la Communication (2013) * <p/> * contact.gincoculture_at_gouv.fr * <p/> * This software is a computer program whose purpose is to provide a thesaurus * management solution. * <p/> * This software is governed by the CeCILL license under French law and * abiding by the rules of distribution of free software. You can use, * modify and/ or redistribute the software under the terms of the CeCILL * license as circulated by CEA, CNRS and INRIA at the following URL * "http://www.cecill.info". * <p/> * As a counterpart to the access to the source code and rights to copy, * modify and redistribute granted by the license, users are provided only * with a limited warranty and the software's author, the holder of the * economic rights, and the successive licensors have only limited liability. * <p/> * In this respect, the user's attention is drawn to the risks associated * with loading, using, modifying and/or developing or reproducing the * software by the user in light of its specific status of free software, * that may mean that it is complicated to manipulate, and that also * therefore means that it is reserved for developers and experienced * professionals having in-depth computer knowledge. Users are therefore * encouraged to load and test the software's suitability as regards their * requirements in conditions enabling the security of their systemsand/or * data to be ensured and, more generally, to use and operate it in the * same conditions as regards security. * <p/> * The fact that you are presently reading this means that you have had * knowledge of the CeCILL license and that you accept its terms. */ package fr.mcc.ginco.imports; import org.apache.commons.lang3.StringEscapeUtils; import com.hp.hpl.jena.rdf.model.Property; import com.hp.hpl.jena.rdf.model.Resource; import com.hp.hpl.jena.rdf.model.Statement; import com.hp.hpl.jena.rdf.model.StmtIterator; /** * Abstract builder used to share useful methods */ public abstract class AbstractBuilder { public final String getSimpleStringInfo(Resource skosResource, Property prop) { return getSimpleStringInfo(skosResource, prop, null); } /** * Returns the value of the given property for the given resource * * @param skosResource * @param prop * @param altProp if prop is not found, try altProp * @return */ public final String getSimpleStringInfo(Resource skosResource, Property prop, Property altProp) { Statement stmt = skosResource.getProperty(prop); if (stmt != null) { String toReturn = stmt.getString(); if (toReturn != null) { return StringEscapeUtils.escapeXml(toReturn.trim()); } } else { if (altProp != null) { return getSimpleStringInfo(skosResource, altProp); } } return null; } public final String getMultipleLineStringInfo(Resource skosResource, Property prop) { return getMultipleLineStringInfo(skosResource, prop, null); } /** * Returns the concatenation of the given property values in the given resource, separated by line breaks * * @param skosResource * @param prop * @param altProp * @return */ public final String getMultipleLineStringInfo(Resource skosResource, Property prop, Property altProp) { String lines = ""; StmtIterator stmtIterator = skosResource.listProperties(prop); while (stmtIterator.hasNext()) { Statement stmt = stmtIterator.next(); lines += StringEscapeUtils.escapeXml(stmt.getString()); if (stmtIterator.hasNext()) { lines += "\n"; } } if (lines.isEmpty() && altProp != null) { return getMultipleLineStringInfo(skosResource, altProp, null); } return lines; } }