Files
mustangproject/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDMigrator.java
2017-10-28 23:04:16 +02:00

90 lines
3.0 KiB
Java

package org.mustangproject.ZUGFeRD;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.URIResolver;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
public class ZUGFeRDMigrator {
static final ClassLoader cl = ZUGFeRDMigrator.class.getClassLoader();
private static TransformerFactory factory = null;
private static final String resourcePath = ""; //$NON-NLS-1$
private static TransformerFactory getTransformerFactory() {
TransformerFactory fact = new net.sf.saxon.TransformerFactoryImpl();
//TransformerFactory.newInstance();
fact.setURIResolver(new ClasspathResourceURIResolver());
return fact;
}
public String migrateFromV1ToV2(String xmlFilename) {
/***
* http://www.unece.org/fileadmin/DAM/cefact/xml/XML-Naming-And-Design-Rules-V2_1.pdf
* http://www.ferd-net.de/upload/Dokumente/FACTUR-X_ZUGFeRD_2p0_Teil1_Profil_EN16931_1p03.pdf
http://countwordsfree.com/xmlviewer
*/
ByteArrayOutputStream baos=new ByteArrayOutputStream();
try {
applySchematronXsl(new FileInputStream(xmlFilename), baos);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (TransformerException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
String res=null;
try {
res=baos.toString("UTF-8");
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return res;
}
private static File createTempFileResult(final Transformer transformer, final StreamSource toTransform,
final String suffix) throws TransformerException, IOException {
File result = File.createTempFile("ZUV_", suffix); //$NON-NLS-1$
result.deleteOnExit();
try (FileOutputStream fos = new FileOutputStream(result)) {
transformer.transform(toTransform, new StreamResult(fos));
}
return result;
}
private static class ClasspathResourceURIResolver implements URIResolver {
ClasspathResourceURIResolver() {
// Do nothing, just prevents synthetic access warning.
}
@Override
public Source resolve(String href, String base) throws TransformerException {
return new StreamSource(cl.getResourceAsStream(resourcePath + href));
}
}
public static void applySchematronXsl(final InputStream xmlFile,
final OutputStream EN16931Outstream) throws TransformerException {
factory=getTransformerFactory();
Transformer transformer = factory.newTransformer(new StreamSource(cl.getResourceAsStream(resourcePath+"COMFORTtoEN16931.xsl")));
transformer.transform(new StreamSource(xmlFile), new StreamResult(EN16931Outstream));
}
}