Coverage Summary for Class: XsltHelper (org.kitodo.export)

 /*
  * (c) Kitodo. Key to digital objects e. V. <contact@kitodo.org>
  *
  * This file is part of the Kitodo project.
  *
  * It is licensed under GNU General Public License version 3 or later.
  *
  * For the full copyright and license information, please read the
  * GPL3-License.txt file that was distributed with this source code.
  */
 
 package org.kitodo.export;
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.net.URI;
 import java.nio.file.Paths;
 import java.util.Objects;
 
 import javax.xml.transform.Transformer;
 import javax.xml.transform.TransformerException;
 import javax.xml.transform.TransformerFactory;
 import javax.xml.transform.stream.StreamResult;
 import javax.xml.transform.stream.StreamSource;
 
 import net.sf.saxon.TransformerFactoryImpl;
 
 import org.apache.commons.io.FilenameUtils;
 import org.kitodo.config.ConfigCore;
 import org.kitodo.config.enums.ParameterCore;
 import org.kitodo.data.database.beans.Process;
 
 public class XsltHelper {
 
     private XsltHelper() {
         // private constructor to hide implicit one
     }
 
     /**
      * Transforms a xml file by xslt and returns the result as string.
      *
      * @param source
      *            The xml file to transform.
      * @param xslFile
      *            The xsl file.
      * @return The Result of the transformation as String object.
      */
     static ByteArrayOutputStream transformXmlByXslt(StreamSource source, URI xslFile)
             throws TransformerException, IOException {
 
         String xsltPath = xslFile.getPath();
         StreamSource xsltSource = new StreamSource(xsltPath);
         TransformerFactory factory = new TransformerFactoryImpl();
         Transformer transformer = factory.newTransformer(xsltSource);
         if (Objects.isNull(transformer)) {
             throw new IllegalArgumentException("Could not create XSLT transformer. Check " + xsltPath + " for errors.");
         }
         try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {
             StreamResult streamResult = new StreamResult(outputStream);
             transformer.transform(source, streamResult);
             return outputStream;
         }
     }
 
     static URI getXsltFileFromConfig(Process process) {
         String path = ConfigCore.getParameter(ParameterCore.DIR_XSLT);
         String file = process.getRuleset().getFile().replaceFirst("\\.[Xx][Mm][Ll]$", ".xsl");
         return Paths.get(FilenameUtils.concat(path, file)).toUri();
     }
 
 }