fix: special character handling #580

fugerit79 · fugerit79 · commit fd7d9e6d768a · 2025-11-19T11:30:31.000+01:00
diff --git a/fj-doc-mod-fop/src/test/java/test/org/fugerit/java/doc/mod/fop/TestIssue580SpecialCharacters.java b/fj-doc-mod-fop/src/test/java/test/org/fugerit/java/doc/mod/fop/TestIssue580SpecialCharacters.java
@@ -0,0 +1,42 @@
+package test.org.fugerit.java.doc.mod.fop;
+
+import lombok.extern.slf4j.Slf4j;
+import org.fugerit.java.core.lang.helpers.ClassHelper;
+import org.fugerit.java.core.xml.dom.DOMIO;
+import org.fugerit.java.doc.base.config.DocInput;
+import org.fugerit.java.doc.base.config.DocOutput;
+import org.fugerit.java.doc.base.config.DocTypeHandler;
+import org.fugerit.java.doc.base.config.DocTypeHandlerDefault;
+import org.fugerit.java.doc.mod.fop.PdfFopTypeHandler;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.w3c.dom.Element;
+
+import java.io.*;
+import java.nio.charset.StandardCharsets;
+
+@Slf4j
+class TestIssue580SpecialCharacters {
+
+    private static final String PATH_XML_SAMPLE = "issue/gh580/sample-gh580.xml";
+
+    @Test
+    void testGeneratedPdf() throws Exception {
+        DocTypeHandlerDefault handler = new PdfFopTypeHandler(StandardCharsets.UTF_8);
+        String xmlConfig = "<docHandlerCustomConfig charset=\"UTF-8\" " +
+                "fop-config-mode=\"classloader\" " +
+                "fop-config-classloader-path=\"issue/gh580/fop-config-issue-580.xml\" />\n";
+        Element element = DOMIO.loadDOMDoc( xmlConfig ).getDocumentElement();
+        handler.configure( element );
+
+        log.info( "handler: {}, type: {}", handler.getClass().getName(), handler.getType() );
+        File outputFile = new File( "target/issue-gh580.pdf" );
+        log.info( "output file: {}, delete : {}", outputFile.getAbsolutePath(), outputFile.delete() );
+        try (Reader reader = new InputStreamReader( ClassHelper.loadFromDefaultClassLoader(PATH_XML_SAMPLE) );
+             OutputStream os = new FileOutputStream( outputFile ) ) {
+            handler.handle( DocInput.newInput( handler.getType(), reader ), DocOutput.newOutput( os ) );
+        }
+        Assertions.assertTrue( outputFile.exists() ) ;
+    }
+
+}
diff --git a/fj-doc-mod-fop/src/test/resources/issue/gh580/fop-config-issue-580.xml b/fj-doc-mod-fop/src/test/resources/issue/gh580/fop-config-issue-580.xml
@@ -0,0 +1,30 @@
+<fop version="1.0">
+
+    <!-- Strict user configuration -->
+    <strict-configuration>true</strict-configuration>
+
+    <!-- Strict FO validation -->
+    <strict-validation>true</strict-validation>
+
+    <!-- Base URL for resolving relative URLs -->
+    <base>.</base>
+
+    <!-- Font Base URL for resolving relative font URLs -->
+    <font-base>.</font-base>
+
+    <renderers>
+        <renderer mime="application/pdf">
+        </renderer>
+    </renderers>
+
+
+    <!-- Source resolution in dpi (dots/pixels per inch) for determining the size of pixels in SVG and bitmap images, default: 72dpi -->
+    <source-resolution>72</source-resolution>
+    <!-- Target resolution in dpi (dots/pixels per inch) for specifying the target resolution for generated bitmaps, default: 72dpi -->
+    <target-resolution>72</target-resolution>
+
+    <!-- default page-height and page-width, in case
+         value is specified as auto -->
+    <default-page-settings height="11in" width="8.26in"/>
+
+</fop>
diff --git a/fj-doc-mod-fop/src/test/resources/issue/gh580/sample-gh580.xml b/fj-doc-mod-fop/src/test/resources/issue/gh580/sample-gh580.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<doc
+        xmlns="http://javacoredoc.fugerit.org"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="http://javacoredoc.fugerit.org https://www.fugerit.org/data/java/doc/xsd/doc-2-1.xsd" >
+
+    <metadata>
+        <info name="margins">10;10;10;30</info>
+        <info name="doc-title">Basic example</info>
+        <info name="doc-subject">fj doc venus sample source xml</info>
+        <info name="doc-author">fugerit79</info>
+        <info name="doc-language">it</info>
+        <info name="mod-fop-xslt-debug">true</info>
+    </metadata>
+    <body>
+        <para>Sample special characters reproducer ■ □ &#x25A0; &#x25A1;</para>
+        <phrase>Working POC with SVG : </phrase>
+        <image type="svg" alt="blank square" base64="PHN2ZyBmaWxsPSIjMDAwMDAwIiB3aWR0aD0iMTBweCIgaGVpZ2h0PSIxMHB4IiB2aWV3Qm94PSIwIDAgMjQgMjQiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PHBhdGggZD0iTTIxLDJIM0ExLDEsMCwwLDAsMiwzVjIxYTEsMSwwLDAsMCwxLDFIMjFhMSwxLDAsMCwwLDEtMVYzQTEsMSwwLDAsMCwyMSwyWk0yMCwyMEg0VjRIMjBaIi8+PC9zdmc+"/>
+    </body>
+
+</doc>
