src/org/marc4j/samples/TemplatesExample.java

   1 // $Id: TemplatesExample.java,v 1.2 2006/09/23 11:08:40 bpeters Exp $\r
   2 package org.marc4j.samples;\r
   3 \r
   4 import java.io.File;\r
   5 import java.io.FileInputStream;\r
   6 import java.io.FilenameFilter;\r
   7 import java.io.InputStream;\r
   8 \r
   9 import javax.xml.transform.Source;\r
  10 import javax.xml.transform.Templates;\r
  11 import javax.xml.transform.TransformerFactory;\r
  12 import javax.xml.transform.sax.SAXResult;\r
  13 import javax.xml.transform.sax.SAXSource;\r
  14 import javax.xml.transform.sax.SAXTransformerFactory;\r
  15 import javax.xml.transform.sax.TransformerHandler;\r
  16 import javax.xml.transform.stream.StreamSource;\r
  17 \r
  18 import org.marc4j.MarcReader;\r
  19 import org.marc4j.MarcXmlReader;\r
  20 import org.marc4j.marc.Record;\r
  21 \r
  22 /**\r
  23  * Transformation with compiled stylesheet.\r
  24  * \r
  25  * @author Bas Peters\r
  26  * @version $Revision: 1.2 $\r
  27  */\r
  28 public class TemplatesExample {\r
  29 \r
  30     public static void main(String args[]) throws Exception {\r
  31         if (args.length != 1)\r
  32             throw new Exception("Usage: TemplatesExample: <input-dir>");\r
  33 \r
  34         String inputDir = args[0];\r
  35 \r
  36         TransformerFactory tFactory = TransformerFactory.newInstance();\r
  37 \r
  38         if (tFactory.getFeature(SAXSource.FEATURE)\r
  39                 && tFactory.getFeature(SAXResult.FEATURE)) {\r
  40 \r
  41             // cast the transformer handler to a sax transformer handler\r
  42             SAXTransformerFactory saxTFactory = ((SAXTransformerFactory) tFactory);\r
  43 \r
  44             Source stylesheet = new StreamSource(\r
  45                     "http://www.loc.gov/standards/marcxml/xslt/MODS2MARC21slim.xsl");\r
  46 \r
  47             // create an in-memory stylesheet representation\r
  48             Templates templates = tFactory.newTemplates(stylesheet);\r
  49 \r
  50             File dir = new File(inputDir);\r
  51 \r
  52             // create a filter to include only .xml files\r
  53             FilenameFilter filter = new FilenameFilter() {\r
  54                 public boolean accept(File dir, String name) {\r
  55                     return name.endsWith(".xml");\r
  56                 }\r
  57             };\r
  58             File[] files = dir.listFiles(filter);\r
  59 \r
  60             for (int i = 0; i < files.length; i++) {\r
  61                 InputStream input = new FileInputStream(files[i]);\r
  62 \r
  63                 TransformerHandler handler = saxTFactory\r
  64                         .newTransformerHandler(templates);\r
  65 \r
  66                 // parse the input\r
  67                 MarcReader reader = new MarcXmlReader(input, handler);\r
  68                 while (reader.hasNext()) {\r
  69                     Record record = reader.next();\r
  70                     System.out.println(record.toString());\r
  71                 }\r
  72             }\r
  73         }\r
  74     }\r
  75 \r
  76 }