Append parent elements to child fields

Author: ditschedev

src/main/java/dev/ditsche/validator/Validator.java

@@ -97,7 +97,7 @@ public <T> T validate(T object, boolean abortEarly) {
                 Field field = fieldSet.stream().filter(f -> f.getName().equals(validatable.getField())).findFirst().orElse(null);
                 if(field == null) continue;
                 Object value = FieldUtils.readField(field, object, true);
-                ValidationResult result = validatable.validate(value, abortEarly);
+                ValidationResult result = validatable.validate("", value, abortEarly);
                 if(result.isChanged())
                     FieldUtils.writeField(field, object, result.getValue(), true);
                 errorBag.merge(result.getErrorBag());

src/main/java/dev/ditsche/validator/validation/Validatable.java

@@ -4,6 +4,6 @@ public interface Validatable {
 
     String getField();
 
-    ValidationResult validate(Object object, boolean abortEarly);
+    ValidationResult validate(String parent, Object object, boolean abortEarly);
 
 }

src/main/java/dev/ditsche/validator/validation/ValidationField.java

@@ -74,13 +74,13 @@ public void addRule(Rule rule) {
     }
 
     @Override
-    public ValidationResult validate(Object object, boolean abortEarly) {
+    public ValidationResult validate(String parent, Object object, boolean abortEarly) {
         ErrorBag errorBag = new ErrorBag();
         boolean changed = false;
         for(Rule rule : rules) {
             RuleResult ruleResult = rule.passes(object);
             if(!ruleResult.isPassed()) {
-                errorBag.add(field, rule.message(field));
+                errorBag.add(parent + field, rule.message(field));
                 if(abortEarly)
                     throw new ValidationException(errorBag);
             } else if(ruleResult.isChanged()) {

src/main/java/dev/ditsche/validator/validation/ValidationObject.java

@@ -27,7 +27,7 @@ public ValidationObject(String field, List<Validatable> children) {
     }
 
     @Override
-    public ValidationResult validate(Object object, boolean abortEarly) {
+    public ValidationResult validate(String parent, Object object, boolean abortEarly) {
         ErrorBag errorBag = new ErrorBag();
         boolean changed = false;
         List<Field> fieldSet = new ArrayList<>();
@@ -40,7 +40,7 @@ public ValidationResult validate(Object object, boolean abortEarly) {
             if(field == null) continue;
             try {
                 Object value = FieldUtils.readField(field, object, true);
-                ValidationResult validationResult = validatable.validate(value, abortEarly);
+                ValidationResult validationResult = validatable.validate(this.field + ".", value, abortEarly);
                 errorBag.merge(validationResult.getErrorBag());
                 if(validationResult.isChanged())
                     FieldUtils.writeField(field, object, validationResult.getValue(), true);