oas-validator/oas-validator-compatibility/src/main/java/org/apache/servicecomb/toolkit/oasv/compatibility/validators/parameter/ParameterAllowEmptyValueChangeDiffValidator.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.compatibility.validators.parameter;

import org.apache.servicecomb.toolkit.oasv.common.OasObjectPropertyLocation;
import org.apache.servicecomb.toolkit.oasv.diffvalidation.api.OasDiffValidationContext;
import org.apache.servicecomb.toolkit.oasv.diffvalidation.api.OasDiffViolation;
import org.apache.servicecomb.toolkit.oasv.diffvalidation.api.OasObjectDiffValidatorTemplate;
import org.apache.servicecomb.toolkit.oasv.diffvalidation.api.ParameterDiffValidator;
import org.apache.servicecomb.toolkit.oasv.diffvalidation.util.ChangeRangeCheckUtils;
import org.apache.servicecomb.toolkit.oasv.diffvalidation.util.ParameterUtils;
import io.swagger.v3.oas.models.parameters.Parameter;

import java.util.List;

import static java.util.Collections.emptyList;
import static java.util.Collections.singletonList;
import static org.apache.commons.lang3.ObjectUtils.defaultIfNull;

/**
 * 仅允许false->true的修改
 */
public class ParameterAllowEmptyValueChangeDiffValidator
  extends OasObjectDiffValidatorTemplate<Parameter>
  implements ParameterDiffValidator {

  @Override
  protected List<OasDiffViolation> validateCompare(OasDiffValidationContext context,
    OasObjectPropertyLocation leftLocation, Parameter leftOasObject, OasObjectPropertyLocation rightLocation,
    Parameter rightOasObject) {


    if (ChangeRangeCheckUtils.isNotViolated(
      defaultIfNull(leftOasObject.getAllowEmptyValue(), Boolean.FALSE),
      defaultIfNull(rightOasObject.getAllowEmptyValue(), Boolean.FALSE),
      singletonList(new Object[] { false, true }))) {
      return emptyList();
    }

    String message = new StringBuilder()
      .append(ParameterUtils.getKeyString(rightOasObject))
      .append(':')
      .append("仅允许false->true的修改")
      .toString();

    return singletonList(new OasDiffViolation(
      leftLocation.property("allowEmptyValue"),
      rightLocation.property("allowEmptyValue"),
      message
    ));

  }

}