Package com.inductiveautomation.ignition.client.jsonedit

Interface KeyEditorField.KeyValidator

Enclosing class:

KeyEditorField

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface KeyEditorField.KeyValidator

Method Summary

Modifier and Type	Method	Description
java.lang.String	validate(DocumentNode node, java.lang.String oldKey, java.lang.String newKey)	Provides a way to prevent keys from being accepted.

Method Detail

validate

@Nullable
java.lang.String validate(@Nonnull
                          DocumentNode node,
                          @Nonnull
                          java.lang.String oldKey,
                          @Nullable
                          java.lang.String newKey)

Provides a way to prevent keys from being accepted.

Parameters:

node - The node that is being edited

oldKey - The previous key

newKey - The new key, or null if the user cancelled the interaction

Returns:

A validation error message, or null if the value is acceptable