have a test, start to also handle UBL input

library/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDVisualizer.java

@@ -62,6 +62,7 @@ import org.apache.fop.configuration.ConfigurationException;
 import org.apache.fop.configuration.DefaultConfigurationBuilder;
 import org.apache.xmlgraphics.util.MimeConstants;
 import org.mustangproject.ClasspathResolverURIAdapter;
+import org.mustangproject.EStandard;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -107,6 +108,42 @@ public class ZUGFeRDVisualizer {
 		mFactory.setURIResolver(new ClasspathResourceURIResolver());
 	}
 
+	/***
+	 * returns which standard is used, CII or UBL
+	 * @param fis inputstream (will be consumed)
+	 * @return (facturx=cii)
+	 */
+	public EStandard findOutStandardFromRootNode(InputStream fis) {
+
+		String zf1Signature = "CrossIndustryDocument";
+		String zf2Signature = "CrossIndustryInvoice";
+		String ublSignature = "Invoice";
+		String ublCreditNoteSignature = "CreditNote";
+		String cioSignature = "SCRDMCCBDACIOMessageStructure";
+
+		DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+		dbf.setNamespaceAware(true);
+		try {
+			DocumentBuilder db = dbf.newDocumentBuilder();
+			Document doc = db.parse(new InputSource(fis));
+			Element root = doc.getDocumentElement();
+			if (root.getLocalName().equals(zf1Signature)) {
+				return EStandard.zugferd;
+			} else if (root.getLocalName().equals(zf2Signature)) {
+				return EStandard.facturx;
+			} else if (root.getLocalName().equals(ublSignature)) {
+				return EStandard.ubl;
+			} else if (root.getLocalName().equals(ublCreditNoteSignature)) {
+				return EStandard.ubl;
+			} else if (root.getLocalName().equals(cioSignature)) {
+				return EStandard.orderx;
+			}
+		} catch (Exception e) {
+			LOGGER.error("Failed to recognize standard", e);
+		}
+		return null;
+	}
+
 	public String visualize(String xmlFilename, Language lang)
 		throws FileNotFoundException, TransformerException, IOException, SAXException, ParserConfigurationException {
 
@@ -148,35 +185,24 @@ public class ZUGFeRDVisualizer {
 		ByteArrayOutputStream iaos = new ByteArrayOutputStream();
 		ByteArrayOutputStream baos = new ByteArrayOutputStream();
 
-		String zf1Signature = "CrossIndustryDocument";
-		String zf2Signature = "CrossIndustryInvoice";
-		String ublSignature = "Invoice";
-		String ublCreditNoteSignature = "CreditNote";
-		String cioSignature = "SCRDMCCBDACIOMessageStructure" +
-			"";
 		boolean doPostProcessing = false;
 
-		DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
-		dbf.setNamespaceAware(true);
-		DocumentBuilder db = dbf.newDocumentBuilder();
-		Document doc = db.parse(new InputSource(fis));
-		Element root = doc.getDocumentElement();
+
 		fis = new FileInputStream(xmlFilename); // fis wont reset() so re-read from beginning
-		if (root.getLocalName().equals(zf1Signature)) {
+		EStandard thestandard=findOutStandardFromRootNode(fis);
+		fis = new FileInputStream(xmlFilename); // fis wont reset() so re-read from beginning
+
+		if (thestandard == EStandard.zugferd) {
 			applyZF1XSLT(fis, baos);
-		} else if (root.getLocalName().equals(zf2Signature)) {
+		} else if (thestandard == EStandard.facturx) {
 			//zf2 or fx
 			applyZF2XSLT(fis, iaos);
 			doPostProcessing = true;
-		} else if (root.getLocalName().equals(ublSignature)) {
+		} else if (thestandard == EStandard.ubl) {
 			//zf2 or fx
 			applyUBL2XSLT(fis, iaos);
 			doPostProcessing = true;
-		} else if (root.getLocalName().equals(ublCreditNoteSignature)) {
-			//zf2 or fx
-			applyUBLCreditNote2XSLT(fis, iaos);
-			doPostProcessing = true;
-		} else if (root.getLocalName().equals(cioSignature)) {
+		} else if (thestandard == EStandard.orderx) {
 			//zf2 or fx
 			applyCIO2XSLT(fis, iaos);
 			doPostProcessing = true;
@@ -219,11 +245,9 @@ public class ZUGFeRDVisualizer {
 	protected String toFOP(String xmlFilename)
 		throws FileNotFoundException, TransformerException {
 
+		FileInputStream fis = new FileInputStream(xmlFilename);
+		EStandard theStandard= findOutStandardFromRootNode(fis);
 		try {
-			if (mXsltXRTemplate == null) {
-				mXsltXRTemplate = mFactory.newTemplates(
-					new StreamSource(CLASS_LOADER.getResourceAsStream(RESOURCE_PATH + "stylesheets/cii-xr.xsl")));
-			}
 			if (mXsltPDFTemplate == null) {
 				mXsltPDFTemplate = mFactory.newTemplates(
 					new StreamSource(CLASS_LOADER.getResourceAsStream(RESOURCE_PATH + "stylesheets/xr-pdf.xsl")));
@@ -232,12 +256,16 @@ public class ZUGFeRDVisualizer {
 			LOGGER.error("Failed to init XSLT templates", ex);
 		}
 
-		FileInputStream fis = new FileInputStream(xmlFilename);
 		ByteArrayOutputStream iaos = new ByteArrayOutputStream();
 		ByteArrayOutputStream baos = new ByteArrayOutputStream();
 
 		//zf2 or fx
-		applyZF2XSLT(fis, iaos);
+		if (theStandard==EStandard.facturx) {
+			applyZF2XSLT(fis, iaos);
+		} else if (theStandard==EStandard.ubl) {
+			applyUBL2XSLT(fis, iaos);
+		}
+
 
 		PipedInputStream in = new PipedInputStream();
 		PipedOutputStream out;
@@ -272,7 +300,7 @@ public class ZUGFeRDVisualizer {
 	public void toPDF(String xmlFilename, String pdfFilename) {
 
 		// the writing part
-		File CIIinputFile = new File(xmlFilename);
+		File XMLinputFile = new File(xmlFilename);
 
 		String result = null;
 
@@ -280,7 +308,7 @@ public class ZUGFeRDVisualizer {
 			   out from git with arbitrary options (which may include CSRF changes)
 			 */
 		try {
-			result = this.toFOP(CIIinputFile.getAbsolutePath());
+			result = this.toFOP(XMLinputFile.getAbsolutePath());
 		} catch (FileNotFoundException | TransformerException e) {
 			LOGGER.error("Failed to apply FOP", e);
 		}

library/src/test/java/org/mustangproject/ZUGFeRD/VisualizationTest.java

@@ -32,6 +32,8 @@ import java.nio.file.Files;
 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
 public class VisualizationTest extends ResourceCase {
 
+	final String TARGET_PDF = "./target/testout-Visualization.pdf";
+
 	public void testCIIVisualizationBasic() {
 
 		// the writing part
@@ -145,21 +147,18 @@ public class VisualizationTest extends ResourceCase {
 		assertEquals(expected, result);
 	}
 
-/*	public void testPDFVisualization() {
+	public void testPDFVisualization() {
 
-	// the writing part
-		CIIToUBL c2u = new CIIToUBL();
+		File UBLinputFile = getResourceAsFile("ubl/01.01a-INVOICE.ubl.xml");
+
+		// the writing part
 		String sourceFilename = "factur-x.xml";
-		File CIIinputFile = getResourceAsFile(sourceFilename);
 
 		String expected = null;
 		String result = null;
 		try {
 			ZUGFeRDVisualizer zvi = new ZUGFeRDVisualizer();
-			/* remove file endings so that tests can also pass after checking
-			   out from git with arbitrary options (which may include CSRF changes)
-			 *
-			zvi.toPDF(CIIinputFile.getAbsolutePath(), "c:\\users\\jstaerk\\temp\\fopy2.pdf");
+			zvi.toPDF(UBLinputFile.getAbsolutePath(), TARGET_PDF);
 		} catch (UnsupportedOperationException e) {
 			fail("UnsupportedOperationException should not happen: "+e.getMessage());
 		} catch (IllegalArgumentException e) {
@@ -169,6 +168,6 @@ public class VisualizationTest extends ResourceCase {
 //		assertNotNull(result);
 		// Reading ZUGFeRD
 //		assertEquals(expected, result);
-	}*/
+	}
 
 }