| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.johnzon.jsonschema.spi.builtin; |
| |
| import static java.util.Optional.ofNullable; |
| |
| import java.util.Collection; |
| import java.util.Optional; |
| import java.util.function.Function; |
| import java.util.stream.Stream; |
| |
| import jakarta.json.JsonValue; |
| |
| import org.apache.johnzon.jsonschema.ValidationResult; |
| import org.apache.johnzon.jsonschema.spi.ValidationContext; |
| import org.apache.johnzon.jsonschema.spi.ValidationExtension; |
| |
| public class EnumValidation implements ValidationExtension { |
| @Override |
| public Optional<Function<JsonValue, Stream<ValidationResult.ValidationError>>> create(final ValidationContext model) { |
| return ofNullable(model.getSchema().get("enum")) |
| .filter(it -> it.getValueType() == JsonValue.ValueType.ARRAY) |
| .map(JsonValue::asJsonArray) |
| .map(values -> new Impl(values, model.getValueProvider(), model.toPointer(), JsonValue.TRUE.equals(model.getSchema().get("nullable")))); |
| } |
| |
| private static class Impl extends BaseValidation { |
| private final Collection<JsonValue> valid; |
| private final boolean nullable; |
| |
| private Impl(final Collection<JsonValue> valid, final Function<JsonValue, JsonValue> extractor, final String pointer, final boolean nullable) { |
| super(pointer, extractor, JsonValue.ValueType.OBJECT /* ignored */); |
| this.valid = valid; |
| this.nullable = nullable; |
| } |
| |
| @Override |
| public Stream<ValidationResult.ValidationError> apply(final JsonValue root) { |
| if (isNull(root)) { |
| return Stream.empty(); |
| } |
| final JsonValue value = extractor.apply(root); |
| if (nullable && (value == null || JsonValue.ValueType.NULL == value.getValueType())) { |
| return Stream.empty(); |
| } |
| if (valid.contains(value)) { |
| return Stream.empty(); |
| } |
| return Stream.of(new ValidationResult.ValidationError(pointer, "Invalid value, got " + value + ", expected: " + valid)); |
| } |
| |
| @Override |
| public String toString() { |
| return "Enum{" + |
| "valid=" + valid + |
| ", pointer='" + pointer + '\'' + |
| '}'; |
| } |
| } |
| } |