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23 lines
513 B
Java
23 lines
513 B
Java
package com.openisle.service;
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import com.openisle.exception.FieldException;
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import org.springframework.stereotype.Service;
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/**
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* Simple validator for usernames.
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*/
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@Service
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public class UsernameValidator {
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/**
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* Validate the username string.
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*
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* @param username the username to validate
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*/
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public void validate(String username) {
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if (username == null || username.isEmpty()) {
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throw new FieldException("username", "Username cannot be empty");
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}
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}
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}
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