com.hpe.caf.api.ContainsStringKeysValidator Maven / Gradle / Ivy
/*
* Copyright 2015-2019 Micro Focus or one of its affiliates.
*
* Licensed 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 com.hpe.caf.api;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.Map;
/**
* Validates a specific String key is present within a Map.
*/
public class ContainsStringKeysValidator implements ConstraintValidator>
{
String[] requiredKeys;
@Override
public void initialize(final ContainsStringKeys containsStringKeys)
{
requiredKeys = containsStringKeys.keys();
}
@Override
public boolean isValid(final Map, ?> map, final ConstraintValidatorContext constraintValidatorContext)
{
for (final String requiredKey : requiredKeys) {
if (!map.containsKey(requiredKey)) {
return false;
}
}
return true;
}
}