Fixed: Remove unused imports and comment out potentially risky logic in ContentWorker class

(cherry picked from commit 8671f75)

Author: jacopoc

applications/content/src/main/java/org/apache/ofbiz/content/content/ContentWorker.java

@@ -33,15 +33,13 @@
 
 import org.apache.ofbiz.base.util.Debug;
 import org.apache.ofbiz.base.util.GeneralException;
-import org.apache.ofbiz.base.util.GroovyUtil;
 import org.apache.ofbiz.base.util.StringUtil;
 import org.apache.ofbiz.base.util.UtilCodec;
 import org.apache.ofbiz.base.util.UtilDateTime;
 import org.apache.ofbiz.base.util.UtilGenerics;
 import org.apache.ofbiz.base.util.UtilMisc;
 import org.apache.ofbiz.base.util.UtilProperties;
 import org.apache.ofbiz.base.util.UtilValidate;
-import org.apache.ofbiz.base.util.string.FlexibleStringExpander;
 import org.apache.ofbiz.content.ContentManagementWorker;
 import org.apache.ofbiz.content.data.DataResourceWorker;
 import org.apache.ofbiz.entity.Delegator;
@@ -61,7 +59,6 @@
 import org.apache.ofbiz.service.LocalDispatcher;
 import org.apache.ofbiz.service.ModelService;
 import org.apache.ofbiz.service.ServiceUtil;
-import org.codehaus.groovy.control.CompilationFailedException;
 import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
 
@@ -684,6 +681,11 @@ public static void selectKids(Map<String, Object> currentNode, Map<String, Objec
      */
     public static boolean checkWhen(Map<String, Object> context, String whenStr, boolean defaultReturn) {
         boolean isWhen = defaultReturn;
+        /*
+         * The logic has been commented out, as it represents a potential security risk.
+         * Moreover, the usage of this method is limited to a small group of custom Freemarker transforms,
+         * that can be removed since they are essentially old experiments.
+
         if (UtilValidate.isNotEmpty(whenStr)) {
             FlexibleStringExpander fse = FlexibleStringExpander.getInstance(whenStr);
             String newWhen = fse.expandString(context);
@@ -702,6 +704,7 @@ public static boolean checkWhen(Map<String, Object> context, String whenStr, boo
                 throw new RuntimeException(e.getMessage());
             }
         }
+        */
         return isWhen;
     }