emiliosetiadarma commented on code in PR #6204:
URL: https://github.com/apache/nifi/pull/6204#discussion_r921705995
##########
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/PutEmail.java:
##########
@@ -523,4 +555,57 @@ private InternetAddress[] toInetAddresses(final
ProcessContext context, final Fl
protected void send(final Message msg) throws MessagingException {
Transport.send(msg);
}
+
+ /**
+ * Utility function to return a Map of optional {@code mail._____}
properties that were set dynamically.
+ * @param context the ProcessContext
+ * @return a Map with optional {@code mail._____} properties
+ */
+ private Map<String, String> getDynamicMailProperties(final ProcessContext
context) {
+ final Map<String, String> dynamicMailProperties = new HashMap<>();
+
+ for (final Map.Entry<PropertyDescriptor, String> entry:
context.getProperties().entrySet()) {
+ final PropertyDescriptor descriptor = entry.getKey();
+ if (descriptor.isDynamic()) {
+ final String name = descriptor.getName();
+ final Matcher matcher = MAIL_PROPERTY_PATTERN.matcher(name);
+ if (matcher.matches()) {
+ dynamicMailProperties.put(name, entry.getValue());
+ }
+ }
+ }
+
+ return dynamicMailProperties;
+ }
+
+ private static class DynamicMailPropertyValidator implements Validator {
+ @Override
+ public ValidationResult validate(String subject, String input,
ValidationContext context) {
+ final Matcher matcher = MAIL_PROPERTY_PATTERN.matcher(subject);
+ if (!matcher.matches()) {
+ return new ValidationResult.Builder()
+ .input(input)
+ .subject(subject)
+ .valid(false)
+ .explanation(String.format("[%s] is an invalid
mail._____ property", subject))
+ .build();
+ }
+
+ if (propertyToContext.containsKey(subject)) {
+ return new ValidationResult.Builder()
+ .input(input)
+ .subject(subject)
+ .valid(false)
+ .explanation(String.format("[%s] overwrites required
existing properties", subject))
+ .build();
+ }
+
+ return new ValidationResult.Builder()
+ .subject(subject)
+ .input(input)
+ .valid(true)
+ .explanation("Valid mail._____ property that does not
overwrite existing required properties")
Review Comment:
Making the changes
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