Package com.tnsai.parser

Class OutputValidator

java.lang.Object

com.tnsai.parser.OutputValidator

public class OutputValidator
extends Object

Validates parsed output objects against field constraints.

Supports validation annotations:

• OutputValidator.Required - Field must not be null
• OutputValidator.MinLength - String minimum length
• OutputValidator.MaxLength - String maximum length
• OutputValidator.Min - Numeric minimum value
• OutputValidator.Max - Numeric maximum value
• OutputValidator.Pattern - String regex pattern
• OutputValidator.NotEmpty - Collection/String must not be empty

Usage

 record User(
     @Required String name,
     @Min(0) @Max(150) int age,
     @Pattern("[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}") String email
 ) {}

 OutputValidator validator = new OutputValidator();
 List<String> errors = validator.validate(user);
 

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static @interface	OutputValidator.Max	Specifies maximum numeric value.
static @interface	OutputValidator.MaxLength	Specifies maximum string length.
static @interface	OutputValidator.Min	Specifies minimum numeric value.
static @interface	OutputValidator.MinLength	Specifies minimum string length.
static @interface	OutputValidator.NotEmpty	Marks a field as must not be empty.
static @interface	OutputValidator.Pattern	Specifies a regex pattern for string validation.
static @interface	OutputValidator.Required	Marks a field as required (must not be null).
static @interface	OutputValidator.Size	Specifies size constraints for collections, arrays, or strings.

Constructor Summary

Constructors

Constructor	Description
OutputValidator()

Method Summary

Modifier and Type	Method	Description
List<String>	validate(Object object)	Validates the given object against its field constraints.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

OutputValidator

public OutputValidator()

Method Details

validate

public List<String> validate(Object object)

Validates the given object against its field constraints.

Parameters:

object - the object to validate

Returns:

list of validation errors (empty if valid)