src/org/marc4j/samples/StylesheetChainExample.java

   1 // $Id: StylesheetChainExample.java,v 1.2 2006/09/23 11:07:26 bpeters Exp $\r
   2 package org.marc4j.samples;\r
   3 \r
   4 import java.io.FileOutputStream;\r
   5 import java.io.InputStream;\r
   6 import java.io.OutputStream;\r
   7 \r
   8 import javax.xml.transform.Result;\r
   9 import javax.xml.transform.TransformerFactory;\r
  10 import javax.xml.transform.sax.SAXResult;\r
  11 import javax.xml.transform.sax.SAXSource;\r
  12 import javax.xml.transform.sax.SAXTransformerFactory;\r
  13 import javax.xml.transform.sax.TransformerHandler;\r
  14 import javax.xml.transform.stream.StreamResult;\r
  15 import javax.xml.transform.stream.StreamSource;\r
  16 \r
  17 import org.marc4j.MarcReader;\r
  18 import org.marc4j.MarcStreamReader;\r
  19 import org.marc4j.MarcWriter;\r
  20 import org.marc4j.MarcXmlWriter;\r
  21 import org.marc4j.marc.Record;\r
  22 \r
  23 /**\r
  24  * A chain of transformation stages.\r
  25  * \r
  26  * @author Bas Peters\r
  27  * @version $Revision: 1.2 $\r
  28  */\r
  29 public class StylesheetChainExample {\r
  30 \r
  31     public static void main(String args[]) throws Exception {\r
  32 \r
  33         TransformerFactory tFactory = TransformerFactory.newInstance();\r
  34 \r
  35         if (tFactory.getFeature(SAXSource.FEATURE)\r
  36                 && tFactory.getFeature(SAXResult.FEATURE)) {\r
  37 \r
  38             // cast the transformer handler to a sax transformer handler\r
  39             SAXTransformerFactory saxTFactory = ((SAXTransformerFactory) tFactory);\r
  40 \r
  41             // create a TransformerHandler for each stylesheet.\r
  42             TransformerHandler tHandler1 = saxTFactory\r
  43                     .newTransformerHandler(new StreamSource(\r
  44                             "http://www.loc.gov/standards/mods/v3/MARC21slim2MODS3.xsl"));\r
  45             TransformerHandler tHandler2 = saxTFactory\r
  46                     .newTransformerHandler(new StreamSource(\r
  47                             "http://www.loc.gov/standards/marcxml/xslt/MODS2MARC21slim.xsl"));\r
  48             TransformerHandler tHandler3 = saxTFactory\r
  49                     .newTransformerHandler(new StreamSource(\r
  50                             "http://www.loc.gov/standards/marcxml/xslt/MARC21slim2HTML.xsl"));\r
  51 \r
  52             // chain the transformer handlers\r
  53             tHandler1.setResult(new SAXResult(tHandler2));\r
  54             tHandler2.setResult(new SAXResult(tHandler3));\r
  55             \r
  56             OutputStream out = new FileOutputStream("c:/temp/output.html");\r
  57             tHandler3.setResult(new StreamResult(out));\r
  58 \r
  59             // create a SAXResult with the first handler\r
  60             Result result = new SAXResult(tHandler1);\r
  61 \r
  62             // create the input stream\r
  63             InputStream input = ReadMarcExample.class\r
  64                     .getResourceAsStream("resources/summerland.mrc");\r
  65 \r
  66             // parse the input\r
  67             MarcReader reader = new MarcStreamReader(input);\r
  68             MarcWriter writer = new MarcXmlWriter(result);\r
  69             while (reader.hasNext()) {\r
  70                 Record record = reader.next();\r
  71                 writer.write(record);\r
  72             }\r
  73             writer.close();\r
  74             \r
  75             out.close();\r
  76         }\r
  77     }\r
  78 \r
  79 }