[bugfix] Add missing support for CData Sections to the DOM Serializer

Author: adamretter

exist-core/pom.xml

@@ -1018,6 +1018,7 @@
                                 <include>src/test/java/org/exist/util/io/OverflowToDiskStreamTest.java</include>
                                 <include>src/test/java/org/exist/util/pool/NodePoolTest.java</include>
                                 <include>src/main/java/org/exist/util/serializer/AttrList.java</include>
+                                <include>src/main/java/org/exist/util/serializer/DOMSerializer.java</include>
                                 <include>src/main/java/org/exist/util/serializer/DOMStreamer.java</include>
                                 <include>src/main/java/org/exist/util/serializer/EXISerializer.java</include>
                                 <include>src/test/java/org/exist/util/serializer/HTML5WriterTest.java</include>
@@ -1650,6 +1651,7 @@
                                 <exclude>src/test/java/org/exist/util/io/OverflowToDiskStreamTest.java</exclude>
                                 <exclude>src/test/java/org/exist/util/pool/NodePoolTest.java</exclude>
                                 <exclude>src/main/java/org/exist/util/serializer/AttrList.java</exclude>
+                                <exclude>src/main/java/org/exist/util/serializer/DOMSerializer.java</exclude>
                                 <exclude>src/main/java/org/exist/util/serializer/DOMStreamer.java</exclude>
                                 <exclude>src/main/java/org/exist/util/serializer/EXISerializer.java</exclude>
                                 <exclude>src/test/java/org/exist/util/serializer/HTML5WriterTest.java</exclude>

exist-core/src/main/java/org/exist/util/serializer/DOMSerializer.java

@@ -1,4 +1,28 @@
 /*
+ * Elemental
+ * Copyright (C) 2024, Evolved Binary Ltd
+ *
+ * [email protected]
+ * https://www.evolvedbinary.com | https://www.elemental.xyz
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; version 2.1.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * NOTE: Parts of this file contain code from 'The eXist-db Authors'.
+ *       The original license header is included below.
+ *
+ * =====================================================================
+ *
  * eXist-db Open Source Native XML Database
  * Copyright (C) 2001 The eXist-db Authors
  *
@@ -152,9 +176,12 @@ protected void startNode(Node node) throws TransformerException {
             }
             break;
         case Node.TEXT_NODE :
-        case Node.CDATA_SECTION_NODE :
             receiver.characters(((CharacterData) node).getData());
             break;
+        case Node.CDATA_SECTION_NODE :
+            final char[] cdata = ((CharacterData) node).getData().toCharArray();
+            receiver.cdataSection(cdata, 0, cdata.length);
+            break;
         case Node.ATTRIBUTE_NODE :
             break;
         case Node.PROCESSING_INSTRUCTION_NODE :