| /* |
| * 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 static java.util.stream.Collectors.toSet; |
| |
| import java.util.Collection; |
| import java.util.Optional; |
| import java.util.function.Function; |
| import java.util.stream.Stream; |
| |
| import jakarta.json.JsonObject; |
| import jakarta.json.JsonString; |
| 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 RequiredValidation implements ValidationExtension { |
| @Override |
| public Optional<Function<JsonValue, Stream<ValidationResult.ValidationError>>> create(final ValidationContext model) { |
| return ofNullable(model.getSchema().get("required")) |
| .filter(it -> it.getValueType() == JsonValue.ValueType.ARRAY) |
| .map(JsonValue::asJsonArray) |
| .filter(arr -> arr.stream().allMatch(it -> it.getValueType() == JsonValue.ValueType.STRING)) |
| .map(arr -> arr.stream().map(it -> JsonString.class.cast(it).getString()).collect(toSet())) |
| .map(required -> new Impl(required, model.getValueProvider(), model.toPointer())); |
| } |
| |
| private static class Impl extends BaseValidation { |
| private final Collection<String> required; |
| |
| private Impl(final Collection<String> required, final Function<JsonValue, JsonValue> extractor, final String pointer) { |
| super(pointer, extractor, JsonValue.ValueType.OBJECT); |
| this.required = required; |
| } |
| |
| @Override |
| public Stream<ValidationResult.ValidationError> onObject(final JsonObject obj) { |
| if (obj == null || obj == JsonValue.NULL) { |
| return toErrors(required.stream()); |
| } |
| return toErrors(required.stream().filter(name -> isNull(obj.get(name)))); |
| } |
| |
| private Stream<ValidationResult.ValidationError> toErrors(final Stream<String> fields) { |
| return fields.map(name -> new ValidationResult.ValidationError(pointer, name + " is required and is not present")); |
| } |
| |
| @Override |
| public String toString() { |
| return "Required{" + |
| "required=" + required + |
| ", pointer='" + pointer + '\'' + |
| '}'; |
| } |
| } |
| } |