| /* |
| * 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 java.util.Optional; |
| import java.util.function.Function; |
| import java.util.stream.Stream; |
| |
| import javax.json.JsonArray; |
| import javax.json.JsonNumber; |
| import javax.json.JsonValue; |
| |
| import org.apache.johnzon.jsonschema.ValidationResult; |
| import org.apache.johnzon.jsonschema.spi.ValidationContext; |
| import org.apache.johnzon.jsonschema.spi.ValidationExtension; |
| |
| public class MaxItemsValidation implements ValidationExtension { |
| @Override |
| public Optional<Function<JsonValue, Stream<ValidationResult.ValidationError>>> create(final ValidationContext model) { |
| return Optional.ofNullable(model.getSchema().get("maxItems")) |
| .filter(it -> it.getValueType() == JsonValue.ValueType.NUMBER) |
| .map(it -> JsonNumber.class.cast(it).intValue()) |
| .filter(it -> it >= 0) |
| .map(max -> new Impl(model.toPointer(), model.getValueProvider(), max)); |
| } |
| |
| private static class Impl extends BaseValidation { |
| private final int bound; |
| |
| private Impl(final String pointer, |
| final Function<JsonValue, JsonValue> extractor, |
| final int bound) { |
| super(pointer, extractor, JsonValue.ValueType.ARRAY); |
| this.bound = bound; |
| } |
| |
| @Override |
| protected Stream<ValidationResult.ValidationError> onArray(final JsonArray array) { |
| if (array.size() > bound) { |
| return Stream.of(new ValidationResult.ValidationError(pointer, "Too much items in the array (> " + bound + ")")); |
| } |
| return Stream.empty(); |
| } |
| |
| @Override |
| public String toString() { |
| return "MaxItems{" + |
| "max=" + bound + |
| ", pointer='" + pointer + '\'' + |
| '}'; |
| } |
| } |
| } |