OO-4388: validate length of text fields in metadata form

src/main/java/org/olat/core/commons/modules/bc/meta/MetaInfoFormController.java

@@ -549,9 +549,32 @@ public class MetaInfoFormController extends FormBasicController {
 			}
 		}
 		
+		valid &= validateTextfield(language, 16);
+		valid &= validateTextfield(title, 2000);
+		valid &= validateTextfield(comment, 32000);
+		valid &= validateTextfield(publisher, 2000);
+		valid &= validateTextfield(creator, 2000);
+		valid &= validateTextfield(city, 255);
+		valid &= validateTextfield(sourceEl, 2000);
+		valid &= validateTextfield(pages, 2000);
+		valid &= validateTextfield(filename, 255);
+		valid &= validateTextfield(url, 4000);
+		
 		return valid;
 	}
 	
+	private boolean validateTextfield(TextElement textEl, int maxSize) {
+		boolean allOk = true;
+		
+		textEl.clearError();
+		if(textEl.getValue() != null && textEl.getValue().length() >= maxSize) {
+			textEl.setErrorKey("form.error.toolong", new String[] { Integer.toString(maxSize) });
+			allOk &= false;
+		}
+		
+		return allOk;
+	}
+	
 	/**
 	 * Get the form item representing this form
 	 * 

src/main/java/org/olat/modules/taxonomy/ui/EditTaxonomyLevelController.java

@@ -237,11 +237,11 @@ public class EditTaxonomyLevelController extends FormBasicController {
 		boolean allOk = true;
 		
 		textEl.clearError();
-		if(!StringHelper.containsNonWhitespace(identifierEl.getValue())) {
-			identifierEl.setErrorKey("form.legende.mandatory", null);
+		if(!StringHelper.containsNonWhitespace(textEl.getValue())) {
+			textEl.setErrorKey("form.legende.mandatory", null);
 			allOk &= false;
-		} else if(identifierEl.getValue().length() >= maxSize) {
-			identifierEl.setErrorKey("form.error.toolong", new String[] { Integer.toString(maxSize) });
+		} else if(textEl.getValue().length() >= maxSize) {
+			textEl.setErrorKey("form.error.toolong", new String[] { Integer.toString(maxSize) });
 			allOk &= false;
 		}