oas-validator/oas-validator-core/src/main/java/org/apache/servicecomb/toolkit/oasv/validation/api/ListPropertyValidator.java

/*
 * 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.servicecomb.toolkit.oasv.validation.api;

import org.apache.servicecomb.toolkit.oasv.common.OasObjectPropertyLocation;
import org.apache.servicecomb.toolkit.oasv.common.OasObjectType;
import org.apache.commons.lang3.StringUtils;

import java.util.List;

import static org.apache.servicecomb.toolkit.oasv.validation.util.OasObjectValidatorUtils.doValidateListProperty;
import static java.util.Collections.emptyList;

public abstract class ListPropertyValidator<T, P> implements OasObjectValidator<T> {

  private final List<? extends OasObjectValidator<P>> valueValidators;

  protected ListPropertyValidator(List<? extends OasObjectValidator<P>> valueValidators) {
    this.valueValidators = valueValidators;
  }

  @Override
  final public List<OasViolation> validate(OasValidationContext context, OasObjectPropertyLocation location,
    T oasObject) {

    if (StringUtils.isNotBlank(get$ref(oasObject))) {
      return emptyList();
    }

    return doValidateListProperty(
      context, location,
      getListPropertyName(),
      getListProperty(oasObject),
      getElementType(),
      valueValidators
    );

  }

  protected abstract String get$ref(T oasObject);

  protected abstract List<P> getListProperty(T oasObject);

  protected abstract String getListPropertyName();

  protected abstract OasObjectType getElementType();
}