Spring MVC Form Validation Custom Error with Parameters/Tokens/Arguments

Question

My Spring MVC form validation is working, but how do I expand parameters or "tokens" in my .properties file?

E.g.: messages.properties

error.field.required=<b><a>{0}</a></b> is required

Spring MVC Validator class which adds the error/code:

@Component
public class MyModelValidator implements Validator {

    @Override
    public boolean supports(Class<?> clazz) {
        return MyModel.class.equals(clazz);
    }

    @Override
    public void validate(Object target, Errors errors) {

        MyModel myModel = (MyModel)target;

        ValidationUtils.rejectIfEmpty(errors, "address.addressLine1", "error.field.required");

    }

}

I need to pass in a custom string, such as "Address Line 1" to replace the {0} token with a description.

Bohuslav Burghardt · Accepted Answer · 2015-11-01 15:40:06Z

1

You can pass values for message placeholders using errorArgs parameter of the rejectIfEmpty method.

ValidationUtils.rejectIfEmpty(errors,
        "address.addressLine1",
        "error.field.required",
        new Object[] { "value for 1st placeholder", "value for 2nd placeholder" });

answered Nov 1, 2015 at 15:40

Bohuslav Burghardt

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