Prepared for Java 21 release

Author: rmraya

lib/xmljava.jar

@@ -9,7 +9,7 @@ sonar.projectVersion=1.0.0
 # If not set, SonarQube starts looking for source code from the directory containing 
 # the sonar-project.properties file.
 sonar.sources=src
-sonar.java.source=17
+sonar.java.source=21
 sonar.java.binaries=bin
 sonar.java.libraries=lib
 sonar.scm.provider=git

sonar-project.properties

@@ -10,10 +10,15 @@
  *     Maxprograms - initial API and implementation
  *******************************************************************************/
 
- package com.maxprograms.xml;
+package com.maxprograms.xml;
 
 public class Constants {
 
     public static final String VERSION = "1.5.0";
     public static final String BUILD = "20231229_1000";
+
+    private Constants() {
+        // private for security
+    }
+
 }

src/com/maxprograms/xml/Constants.java

@@ -103,7 +103,7 @@ public Grammar parse(File file) throws SAXException, IOException {
                 }
                 String entityDeclText = source.substring(pointer, index + ">".length());
                 EntityDecl entityDecl = new EntityDecl(entityDeclText);
-                if (entityDecl.getType() == EntityDecl.SYSTEM) {
+                if (entityDecl.getType().equals(EntityDecl.SYSTEM)) {
                     String module = entityDecl.getValue();
                     if (module == null || module.isBlank()) {
                         MessageFormat mf = new MessageFormat(Messages.getString("DTDParser.2"));