Merge pull request #612 from Heavenfighter/print_version_of_report

#356 Added cli parameter to generate basic pdf version of xml report

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

@@ -0,0 +1,148 @@
+package org.mustangproject.ZUGFeRD;
+
+import org.apache.fop.apps.*;
+import org.apache.fop.apps.io.ResourceResolverFactory;
+import org.apache.fop.configuration.Configuration;
+import org.apache.fop.configuration.ConfigurationException;
+import org.apache.fop.configuration.DefaultConfigurationBuilder;
+import org.apache.xmlgraphics.util.MimeConstants;
+import org.mustangproject.ClasspathResolverURIAdapter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.xml.transform.*;
+import javax.xml.transform.sax.SAXResult;
+import javax.xml.transform.stream.StreamResult;
+import javax.xml.transform.stream.StreamSource;
+import java.io.*;
+import java.nio.charset.StandardCharsets;
+
+public class ValidationLogVisualizer {
+	public enum Language {
+		EN,
+		FR,
+		DE
+	}
+
+	static final ClassLoader CLASS_LOADER = ValidationLogVisualizer.class.getClassLoader();
+	private static final String RESOURCE_PATH = "";
+	private static final Logger LOGGER = LoggerFactory.getLogger(ValidationLogVisualizer.class);
+
+	private TransformerFactory mFactory = null;
+	private Templates mXsltPDFTemplate = null;
+
+
+	public ValidationLogVisualizer() {
+		mFactory = new net.sf.saxon.TransformerFactoryImpl();
+		// fact = TransformerFactory.newInstance();
+		mFactory.setURIResolver(new ValidationLogVisualizer.ClasspathResourceURIResolver());
+	}
+
+	protected void applyXSLTToPDF(final String xmlContent, final OutputStream PDFOutstream)
+		throws TransformerException {
+		Transformer transformer = mXsltPDFTemplate.newTransformer();
+
+		transformer.transform(new StreamSource(new StringReader(xmlContent)), new StreamResult(PDFOutstream));
+	}
+
+	protected String toFOP(final String xmlContent)
+		throws TransformerException {
+
+		try {
+			if (mXsltPDFTemplate == null) {
+				mXsltPDFTemplate = mFactory.newTemplates(
+					new StreamSource(CLASS_LOADER.getResourceAsStream(RESOURCE_PATH + "stylesheets/result-pdf.xsl")));
+			}
+		} catch (TransformerConfigurationException ex) {
+			LOGGER.error("Failed to init XSLT templates", ex);
+		}
+
+		ByteArrayOutputStream baos = new ByteArrayOutputStream();
+
+		try {
+
+			applyXSLTToPDF(xmlContent, baos);
+
+		} catch (Exception e1) {
+			LOGGER.error("Failed to create PDF", e1);
+		}
+
+		return baos.toString(StandardCharsets.UTF_8);
+	}
+
+	public void toPDF(String xmlLogfileContent, String pdfFilename) {
+
+		// the writing part
+
+		String result = null;
+
+			/* remove file endings so that tests can also pass after checking
+			   out from git with arbitrary options (which may include CSRF changes)
+			 */
+		try {
+			result = this.toFOP(xmlLogfileContent);
+		} catch ( TransformerException e) {
+			LOGGER.error("Failed to apply FOP", e);
+		}
+		DefaultConfigurationBuilder cfgBuilder = new DefaultConfigurationBuilder();
+
+		Configuration cfg = null;
+		try {
+			cfg = cfgBuilder.build(CLASS_LOADER.getResourceAsStream("fop-config.xconf"));
+		} catch (ConfigurationException e) {
+			throw new RuntimeException(e);
+		}
+
+		FopFactoryBuilder builder = new FopFactoryBuilder(new File(".").toURI(), new ClasspathResolverURIAdapter()).setConfiguration(cfg);
+// Step 1: Construct a FopFactory by specifying a reference to the configuration file
+// (reuse if you plan to render multiple documents!)
+
+		FopFactory fopFactory = builder.build();
+
+		fopFactory.getFontManager().setResourceResolver(
+			ResourceResolverFactory.createInternalResourceResolver(
+				new File(".").toURI(),
+				new ClasspathResolverURIAdapter()));
+
+		FOUserAgent userAgent = fopFactory.newFOUserAgent();
+
+		userAgent.getRendererOptions().put("pdf-a-mode", "PDF/A-3b");
+
+// Step 2: Set up output stream.
+// Note: Using BufferedOutputStream for performance reasons (helpful with FileOutputStreams).
+
+		try (OutputStream out = new BufferedOutputStream(new FileOutputStream(pdfFilename))) {
+
+			// Step 3: Construct fop with desired output format
+			Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, userAgent, out);
+
+			// Step 4: Setup JAXP using identity transformer
+			TransformerFactory factory = TransformerFactory.newInstance();
+			Transformer transformer = factory.newTransformer(); // identity transformer
+
+			// Step 5: Setup input and output for XSLT transformation
+			// Setup input stream
+			Source src = new StreamSource(new ByteArrayInputStream(result.getBytes(StandardCharsets.UTF_8)));
+
+			// Resulting SAX events (the generated FO) must be piped through to FOP
+			Result res = new SAXResult(fop.getDefaultHandler());
+
+			// Step 6: Start XSLT transformation and FOP processing
+			transformer.transform(src, res);
+
+		} catch (FOPException | IOException | TransformerException e) {
+			LOGGER.error("Failed to create PDF", e);
+		}
+	}
+
+	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(CLASS_LOADER.getResourceAsStream(RESOURCE_PATH + "stylesheets/" + href));
+		}
+	}
+}

library/src/main/resources/stylesheets/result-pdf.xsl

@@ -0,0 +1,227 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<xsl:stylesheet xmlns:fo="http://www.w3.org/1999/XSL/Format" 
+                xmlns:xsl="http://www.w3.org/1999/XSL/Transform" 
+	        xmlns:axf="http://www.antennahouse.com/names/XSL/Extensions"
+	        xmlns:xs="http://www.w3.org/2001/XMLSchema"        
+	        version="2.0">
+    <!-- ==========================================================================
+       == Imports
+       =========================================================================== -->
+    <xsl:import href="common-xr.xsl"/>
+
+    <xsl:import href="xr-pdf/lib/konstanten.xsl"/>
+
+    <!-- FO engine used can be specified. Specific extensions will be then enabled.
+       Supported values are:
+            axf - Antenna House XSL Formatter
+            fop - Apache FOP
+       -->
+    <xsl:param name="foengine"/>
+
+    <xsl:param name="axf.extensions" select="if ($foengine eq 'axf') then true() else false()"/>
+    <xsl:param name="fop.extensions" select="if ($foengine eq 'fop') then true() else false()"/>
+
+
+    <xsl:variable name="xml_result_color">
+        <xsl:if test="/validation/xml/summary/@status = 'valid' ">
+            <xsl:text>green</xsl:text>
+        </xsl:if>
+        <xsl:if test="/validation/xml/summary/@status = 'invalid' ">
+            <xsl:text>red</xsl:text>
+        </xsl:if>
+    </xsl:variable>
+
+    <xsl:variable name="pdf_result_color">
+        <xsl:if test="/validation/pdf/summary/@status = 'valid' ">
+            <xsl:text>green</xsl:text>
+        </xsl:if>
+        <xsl:if test="/validation/pdf/summary/@status = 'invalid' ">
+            <xsl:text>red</xsl:text>
+        </xsl:if>
+    </xsl:variable>
+
+    <xsl:variable name="pdf_result_text">
+        <xsl:if test="/validation/xml/summary/@status = 'valid' ">
+            <xsl:text>Das ZUGFeRD-PDF ist valide.</xsl:text>
+        </xsl:if>
+        <xsl:if test="/validation/xml/summary/@status = 'invalid' ">
+            <xsl:text>Das ZUGFeRD-PDF ist nicht valide.</xsl:text>
+        </xsl:if>
+    </xsl:variable>
+
+    <xsl:variable name="result_text">
+        <xsl:if test="/validation/xml/summary/@status = 'valid' ">
+            <xsl:text>Es wird empfohlen das Dokument anzunehmen und weiter zu verarbeiten.</xsl:text>
+        </xsl:if>
+        <xsl:if test="/validation/xml/summary/@status = 'invalid' ">
+            <xsl:text>Es wird empfohlen das Dokument zurückzuweisen.</xsl:text>
+        </xsl:if>
+    </xsl:variable>
+
+    <xsl:template match="validation">
+        <fo:root xmlns:pdf="http://xmlgraphics.apache.org/fop/extensions/pdf"
+                 language="{$lang}" font-family="{$fontSans}">
+            <fo:layout-master-set>
+                <fo:simple-page-master master-name="DIN-A4" page-height="297mm" page-width="210mm">
+                    <fo:region-body region-name="body" margin="20mm 10mm 20mm 20mm" />
+                </fo:simple-page-master>
+            </fo:layout-master-set>
+
+            <fo:page-sequence master-reference="DIN-A4">
+                <fo:flow flow-name="body">
+                    <fo:block font-size="24px" font-weight="bold">
+                        Prüfbericht
+                    </fo:block>
+
+                    <xsl:call-template name="SubHeader">
+                        <xsl:with-param name="text" select='"Angaben zum geprüften Dokument"' />
+                        <xsl:with-param name="color" select='"black"' />
+                    </xsl:call-template>
+
+                    <fo:block>
+                        <fo:block text-align="justify">
+                            <fo:float float="right">
+                                <fo:block >
+                                    <xsl:value-of select="/validation/@filename" />
+                                </fo:block>
+                            </fo:float>
+                            Referenz:
+                        </fo:block>
+                    </fo:block>
+                    <fo:block>
+                        <fo:block text-align="justify">
+                            <fo:float float="right">
+                                <fo:block >
+                                    <xsl:value-of select="/validation/@datetime" />
+                                </fo:block>
+                            </fo:float>
+                            Zeitpunkt der Prüfung:
+                        </fo:block>
+                    </fo:block>
+                    <fo:block>
+                        <fo:block text-align="justify">
+                            <fo:float float="right">
+                                <fo:block >
+                                    <xsl:value-of select="/validation/xml/info/profile" />
+                                </fo:block>
+                            </fo:float>
+                            Erkannter Dokumenttyp:
+                        </fo:block>
+                    </fo:block>
+
+                    <xsl:apply-templates select="/validation/pdf" />
+
+                    <!--<xsl:call-template name="SubHeader" >
+                        <xsl:with-param name="text" select='"Konformitätsprüfung:"' />
+                        <xsl:with-param name="color" select='"black"' />
+                    </xsl:call-template>-->
+
+                    <xsl:call-template name="SubHeader" >
+                        <xsl:with-param name="text" select="concat('Bewertung: ', $result_text)" />
+                        <xsl:with-param name="color" select="$xml_result_color" />
+                    </xsl:call-template>
+
+                    <fo:block>Validierungsergebnisse im Detail:</fo:block>
+
+                    <fo:table>
+                        <fo:table-column border-style="solid" />
+                        <fo:table-column border-style="solid" />
+                        <fo:table-column border-style="solid" />
+                        <fo:table-column column-width="70%" border-style="solid" />
+                        <fo:table-header>
+                            <fo:table-row background-color="#E0E0E0" font-weight="bold">
+                                <fo:table-cell>
+                                    <fo:block>Type</fo:block>
+                                </fo:table-cell>
+                                <fo:table-cell>
+                                    <fo:block>Code</fo:block>
+                                </fo:table-cell>
+                                <fo:table-cell>
+                                    <fo:block>Schwere</fo:block>
+                                </fo:table-cell>
+                                <fo:table-cell>
+                                    <fo:block>Text</fo:block>
+                                </fo:table-cell>
+                            </fo:table-row>
+                        </fo:table-header>
+                        <fo:table-body>
+                            <xsl:apply-templates select="/validation/xml/messages" />
+                        </fo:table-body>
+                    </fo:table>
+
+                </fo:flow>
+            </fo:page-sequence>
+        </fo:root>
+    </xsl:template>
+
+    <xsl:template match="notice|error">
+        <fo:table-row font-size="12px" border-style="solid">
+            <fo:table-cell number-rows-spanned="2">
+                <fo:block>
+                    <xsl:value-of select="@type" />
+                </fo:block>
+            </fo:table-cell>
+            <fo:table-cell number-rows-spanned="2">
+                <fo:block>
+                    <xsl:call-template name="SUBID" >
+                        <xsl:with-param name="myparam" select="substring-after(.,' [ID ')" />
+                    </xsl:call-template>
+                </fo:block>
+            </fo:table-cell>
+            <fo:table-cell number-rows-spanned="2">
+                <fo:block >
+                    <xsl:choose>
+                        <xsl:when test="name() = 'error'">
+                            <xsl:attribute name="color">red</xsl:attribute>
+                            Fehler
+                        </xsl:when>
+                        <xsl:otherwise>
+                            Hinweis
+                        </xsl:otherwise>
+                    </xsl:choose>
+                </fo:block>
+            </fo:table-cell>
+            <fo:table-cell>
+                <fo:block>
+                    <xsl:if test="name() = 'error'">
+                        <xsl:attribute name="color">red</xsl:attribute>
+                    </xsl:if>
+                    <xsl:value-of select="substring-before(.,' [ID')" />
+                </fo:block>
+            </fo:table-cell>
+        </fo:table-row>
+        <fo:table-row font-size="12px" border-style="solid">
+            <fo:table-cell>
+                <fo:block>
+                    <xsl:if test="name() = 'error'">
+                        <xsl:attribute name="color">red</xsl:attribute>
+                    </xsl:if>
+                    Pfad:
+                    <xsl:value-of select="@location" />
+                </fo:block>
+            </fo:table-cell>
+        </fo:table-row>
+    </xsl:template>
+
+    <xsl:template match="pdf">
+        <xsl:call-template name="SubHeader" >
+            <xsl:with-param name="text" select="concat('ZUGFeRD-PDF: ', $pdf_result_text)" />
+            <xsl:with-param name="color" select='"black"' />
+        </xsl:call-template>
+    </xsl:template>
+
+    <xsl:template name="SubHeader">
+        <xsl:param name="text" />
+        <xsl:param name="color" />
+        <fo:block color="{$color}" background-color="#E0E0E0" margin-bottom="10px" padding="3px" font-weight="bold" margin-top="10px">
+            <xsl:value-of select="$text" />
+        </fo:block>
+    </xsl:template>
+
+    <xsl:template name="SUBID">
+        <xsl:param name="myparam" />
+        <xsl:variable name="myparam.end" select="substring-before($myparam, ']')"/>
+        <xsl:value-of select="$myparam.end"/>
+    </xsl:template>
+
+</xsl:stylesheet>