added -locale cli option

org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/context/BaseWorkerContext.java

@@ -1311,6 +1311,6 @@ public abstract class BaseWorkerContext implements IWorkerContext {
 
   @Override
   public void setValidationMessageLanguage(Locale locale) {
-    i18Nmessages = ResourceBundle.getBundle("Messages", locale );
+    i18Nmessages = ResourceBundle.getBundle("Messages", locale);
   }
 }

org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/IResourceValidator.java

@@ -25,6 +25,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.util.List;
 
+import java.util.Locale;
 import org.hl7.fhir.exceptions.DefinitionException;
 import org.hl7.fhir.exceptions.FHIRException;
 import org.hl7.fhir.exceptions.FHIRFormatError;
@@ -68,7 +69,9 @@ public interface IResourceValidator {
 
     Element fetch(Object appContext, String url) throws FHIRFormatError, DefinitionException, FHIRException, IOException;
     ReferenceValidationPolicy validationPolicy(Object appContext, String path, String url);
-    boolean resolveURL(Object appContext, String path, String url) throws IOException, FHIRException; 
+    boolean resolveURL(Object appContext, String path, String url) throws IOException, FHIRException;
+
+    void setLocale(Locale locale);
   }
   
   public enum BestPracticeWarningLevel {

org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/ValidationEngine.java

@@ -139,6 +139,8 @@ POSSIBILITY OF SUCH DAMAGE.
  */
 public class ValidationEngine implements IValidatorResourceFetcher {
 
+
+
   public class ScanOutputItem {
     private String ref;
     private ImplementationGuide ig;
@@ -240,6 +242,7 @@ public class ValidationEngine implements IValidatorResourceFetcher {
   private Set<String> loadedIgs = new HashSet<>();
   private IValidatorResourceFetcher fetcher;
   private boolean assumeValidRestReferences;
+  private Locale locale;
 
   private class AsteriskFilter implements FilenameFilter {
     String dir;
@@ -1269,6 +1272,7 @@ public class ValidationEngine implements IValidatorResourceFetcher {
     validator.setNoInvariantChecks(isNoInvariantChecks());
     validator.setValidationLanguage(language);
     validator.setAssumeValidRestReferences(assumeValidRestReferences);
+    validator.getContext().setLocale(locale);
     validator.setFetcher(this);
     return validator;
   }
@@ -1592,6 +1596,11 @@ public class ValidationEngine implements IValidatorResourceFetcher {
     return false;
   }
 
+  @Override
+  public void setLocale(Locale locale) {
+    this.locale = locale;
+  }
+
   public void handleOutput(Resource r, String output, String version) throws Exception {
     if (output.startsWith("http://") || output.startsWith("http://")) {
       ByteArrayOutputStream bs = new ByteArrayOutputStream();

org.hl7.fhir.validation/src/main/java/org/hl7/fhir/validation/Validator.java

@@ -55,6 +55,7 @@ import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 import java.util.UUID;
@@ -195,6 +196,8 @@ public class Validator {
       System.out.println("     Produce additional information about the loading/validation process");
       System.out.println("-recurse");
       System.out.println("     Look in subfolders when -ig refers to a folder");
+      System.out.println("-locale");
+      System.out.println("     Specifies the locale/language of the validation result messages (eg.: de-DE");
       System.out.println("-sct");
       System.out.println("     Specify the edition of SNOMED CT to use. Valid Choices:");
       System.out.println("       intl | us | uk | au | nl | ca | se | dk | es");
@@ -399,6 +402,7 @@ public class Validator {
       boolean anyExtensionsAllowed = true;
       boolean hintAboutNonMustSupport = false;
       boolean recursive = false;
+      Locale locale = null;
       List<String> profiles = new ArrayList<String>();
       EngineMode mode = EngineMode.VALIDATION;
       String output = null;
@@ -477,6 +481,12 @@ public class Validator {
             throw new Error("Snomed edition '"+s+"' not known");            
         } else if (args[i].equals("-recurse")) {
           recursive = true;
+        } else if (args[i].equals("-locale")) {
+          if (i+1 == args.length) {
+            throw new Error("Specified -locale without indicating locale");
+          } else {
+            locale = new Locale(args[++i]);
+          }
         } else if (args[i].equals("-strictExtensions")) {
           anyExtensionsAllowed = false;
         } else if (args[i].equals("-hintAboutNonMustSupport")) {
@@ -585,6 +595,7 @@ public class Validator {
       validator.setHintAboutNonMustSupport(hintAboutNonMustSupport);
       validator.setAnyExtensionsAllowed(anyExtensionsAllowed);
       validator.setLanguage(lang);
+      validator.setLocale(locale);
       validator.setSnomedExtension(snomedCT);
       validator.setAssumeValidRestReferences(assumeValidRestReferences);
 

org.hl7.fhir.validation/src/test/java/org/hl7/fhir/validation/tests/ValidationTestSuite.java

@@ -426,6 +426,11 @@ public class ValidationTestSuite implements IEvaluationContext, IValidatorResour
     return !url.contains("example.org");
   }
 
+  @Override
+  public void setLocale(Locale locale) {
+  //do nothing
+  }
+
   @Override
   public boolean conformsToProfile(Object appContext, Base item, String url) throws FHIRException {
     IResourceValidator val = TestingUtilities.context(version).newValidator();