dev.harrel.jsonschema.VocabularyValidator Maven / Gradle / Ivy

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Library for JSON schema validation

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package dev.harrel.jsonschema;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

final class VocabularyValidator {
    void validateVocabularies(Dialect dialect, Map vocabularyObject) {
        if (vocabularyObject == null || dialect.getSpecificationVersion().getOrder() <= SpecificationVersion.DRAFT7.getOrder()) {
            return;
        }

        List missingRequiredVocabularies = dialect.getRequiredVocabularies().stream()
                .filter(vocab -> !vocabularyObject.getOrDefault(vocab, false))
                .collect(Collectors.toList());
        if (!missingRequiredVocabularies.isEmpty()) {
            throw new VocabularyException(String.format("Required vocabularies %s were missing or marked optional in $vocabulary object", missingRequiredVocabularies));
        }
        List unsupportedRequiredVocabularies = vocabularyObject.entrySet().stream()
                .filter(Map.Entry::getValue)
                .map(Map.Entry::getKey)
                .filter(vocab -> !dialect.getSupportedVocabularies().contains(vocab))
                .collect(Collectors.toList());
        if (!unsupportedRequiredVocabularies.isEmpty()) {
            throw new VocabularyException(String.format("Following vocabularies %s are required but not supported", unsupportedRequiredVocabularies));
        }
    }
}