[kbss-cvut/termit-ui#553] Handle unsupported text analysis language e…

…xception - return 409 status.

src/main/java/cz/cvut/kbss/termit/rest/handler/RestExceptionHandler.java

@@ -36,6 +36,7 @@
 import cz.cvut.kbss.termit.exception.TermItException;
 import cz.cvut.kbss.termit.exception.UnsupportedOperationException;
 import cz.cvut.kbss.termit.exception.UnsupportedSearchFacetException;
+import cz.cvut.kbss.termit.exception.UnsupportedTextAnalysisLanguageException;
 import cz.cvut.kbss.termit.exception.ValidationException;
 import cz.cvut.kbss.termit.exception.WebServiceIntegrationException;
 import cz.cvut.kbss.termit.exception.importing.UnsupportedImportMediaTypeException;
@@ -99,7 +100,8 @@ private static ErrorInfo errorInfo(HttpServletRequest request, Throwable e) {
     }
 
     private static ErrorInfo errorInfo(HttpServletRequest request, TermItException e) {
-        return ErrorInfo.createParametrizedWithMessage(e.getMessage(), e.getMessageId(), request.getRequestURI(), e.getParameters());
+        return ErrorInfo.createParametrizedWithMessage(e.getMessage(), e.getMessageId(), request.getRequestURI(),
+                                                       e.getParameters());
     }
 
     @ExceptionHandler(PersistenceException.class)
@@ -290,4 +292,11 @@ public ResponseEntity<ErrorInfo> uriSyntaxException(HttpServletRequest request,
                 .addParameter("char", Character.toString(e.getInput().charAt(e.getIndex())));
         return new ResponseEntity<>(errorInfo(request, exception), HttpStatus.CONFLICT);
     }
+
+    @ExceptionHandler
+    public ResponseEntity<ErrorInfo> unsupportedTextAnalysisLanguageException(HttpServletRequest request,
+                                                                              UnsupportedTextAnalysisLanguageException e) {
+        logException(e, request);
+        return new ResponseEntity<>(errorInfo(request, e), HttpStatus.CONFLICT);
+    }
 }