io.convergence_platform.common.validations.ValidateYamlValidator Maven / Gradle / Ivy

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Holds the common functionality needed by all Convergence Platform-based services written in Java.

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package io.convergence_platform.common.validations;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
import jakarta.validation.ConstraintValidator;
import jakarta.validation.ConstraintValidatorContext;

import java.nio.charset.StandardCharsets;
import java.util.Base64;
import java.util.Map;

public class ValidateYamlValidator implements ConstraintValidator {
    public static void pathVariable(String value, String varName) {
        boolean valid = true;
        if ("".equals(value)) {
            valid = false;
        } else {
            valid = validate(value);
        }

        ValidationHelper.raiseValidationErrorForPathVariable(valid, "yaml", varName);
    }

    @Override
    public boolean isValid(String value, ConstraintValidatorContext context) {
        return validate(value);
    }

    private static boolean validate(String value) {
        if (value == null) {
            return false;
        }

        try {
            ObjectMapper mapper = new ObjectMapper(new YAMLFactory());
            mapper.readValue(value.getBytes(StandardCharsets.UTF_8), Map.class);
        } catch (Exception ex) {
            return false;
        }

        return true;
    }
}