added warn when unicode is wrong

Author: AntonioG70

dbptk-model/src/main/java/com/databasepreservation/utils/XMLUtils.java

@@ -23,13 +23,16 @@
 import javax.xml.xpath.XPathExpressionException;
 import javax.xml.xpath.XPathFactory;
 
+import com.databasepreservation.model.reporters.ValidationReporter;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.commons.text.translate.AggregateTranslator;
 import org.apache.commons.text.translate.CharSequenceTranslator;
 import org.apache.commons.text.translate.EntityArrays;
 import org.apache.commons.text.translate.LookupTranslator;
 import org.apache.commons.text.translate.UnicodeEscaper;
 import org.apache.commons.text.translate.UnicodeUnescaper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.Node;
@@ -41,6 +44,7 @@
  * @author Bruno Ferreira <bferreira@keep.pt>
  */
 public class XMLUtils {
+  private static final Logger LOGGER = LoggerFactory.getLogger(XMLUtils.class);
   /**
    * Translator to escape characters according to the SIARD specification
    */
@@ -87,8 +91,12 @@ public static String decode(String text) {
     if (text == null) {
       return null;
     }
+    try {
+      text = SIARD_UNESCAPE.translate(text);
+    } catch (IllegalArgumentException e) {
+      LOGGER.warn("Illegal unicode on: " + text);
+    }
 
-    text = SIARD_UNESCAPE.translate(text);
     return text;
   }