diff software/mpdl-services/mpiwg-mpdl-cms/src/de/mpg/mpiwg/berlin/mpdl/cms/transform/XslResourceTransformer.java @ 23:e845310098ba

diverse Korrekturen
author Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
date Tue, 27 Nov 2012 12:35:19 +0100
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/software/mpdl-services/mpiwg-mpdl-cms/src/de/mpg/mpiwg/berlin/mpdl/cms/transform/XslResourceTransformer.java	Tue Nov 27 12:35:19 2012 +0100
@@ -0,0 +1,94 @@
+package de.mpg.mpiwg.berlin.mpdl.cms.transform;
+
+import java.io.IOException;
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.net.URL;
+
+import javax.xml.transform.stream.StreamSource;
+
+import de.mpg.mpiwg.berlin.mpdl.exception.ApplicationException;
+
+import net.sf.saxon.s9api.Processor;
+import net.sf.saxon.s9api.QName;
+import net.sf.saxon.s9api.SaxonApiException;
+import net.sf.saxon.s9api.Serializer;
+import net.sf.saxon.s9api.XdmValue;
+import net.sf.saxon.s9api.XsltCompiler;
+import net.sf.saxon.s9api.XsltExecutable;
+import net.sf.saxon.s9api.XsltTransformer;
+
+public class XslResourceTransformer {
+  private Processor processor;
+  private XsltCompiler xsltCompiler;
+  private Serializer serializer;
+  private XsltTransformer xsltTransformer;
+  
+  public XslResourceTransformer(String resourceName) throws ApplicationException {
+    init(resourceName);
+  }
+  
+  private void init(String resourceName) throws ApplicationException {
+    try {
+      processor = new Processor(false); 
+      xsltCompiler = processor.newXsltCompiler();
+      URL xslUrl = XslResourceTransformer.class.getResource(resourceName);
+      StreamSource xslStreamSource = new StreamSource(xslUrl.openStream());
+      XsltExecutable xsltExecutable = xsltCompiler.compile(xslStreamSource);
+      xsltTransformer = xsltExecutable.load();
+    } catch (SaxonApiException e) {
+      throw new ApplicationException(e);
+    } catch (IOException e) {
+      throw new ApplicationException(e);
+    }
+  }
+  
+  public String transform(String xmlFileName) throws ApplicationException {
+    String result = null;
+    try {
+      StreamSource xmlDoc = new StreamSource(xmlFileName); 
+      serializer = new Serializer();
+      serializer.setOutputWriter(new StringWriter());
+      xsltTransformer.setSource(xmlDoc);  // needs some time for bigger documents
+      xsltTransformer.setDestination(serializer);
+      xsltTransformer.transform();  // needs some time for bigger documents
+      result = serializer.getOutputDestination().toString();
+    } catch (Exception e) {
+      throw new ApplicationException(e);
+    }
+    return result;
+  }
+
+  public String transformStr(String xmlStr) throws ApplicationException {
+    String retStr = null;
+    try {
+      StringReader inputStrReader = new StringReader(xmlStr);
+      StreamSource xmlDoc = new StreamSource(inputStrReader);
+      serializer = new Serializer();
+      serializer.setOutputWriter(new StringWriter());
+      xsltTransformer.setSource(xmlDoc);  // needs some time for bigger documents
+      xsltTransformer.setDestination(serializer);
+      xsltTransformer.transform();  // needs some time for bigger documents
+      retStr = serializer.getOutputDestination().toString();
+    } catch (Exception e) {
+      throw new ApplicationException(e);
+    }
+    return retStr;
+  }
+
+  public void setParameter(QName name, XdmValue value) throws ApplicationException {
+    try {
+      xsltTransformer.setParameter(name, value); 
+    } catch (Exception e) {
+      throw new ApplicationException(e);
+    }
+  }
+
+  public void setOutputProperty(Serializer.Property property, String value) throws ApplicationException {
+    try {
+      serializer.setOutputProperty(property, value);
+    } catch (Exception e) {
+      throw new ApplicationException(e);
+    }
+  }
+}