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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.common.parameters;
import java.lang.annotation.Annotation;
import java.util.Map;
/**
* Validator of an entry within a Map.
*/
public class EntryValidator {
private final ItemValidator keyValidator;
private final ItemValidator valueValidator;
/**
* Constructs the object.
*
* @param validator provider of validation methods
* @param keyAnnotationContainer an annotation containing validation annotations to be
* applied to the entry key
* @param valueAnnotationContainer an annotation containing validation annotations to
* be applied to the entry value
*/
public EntryValidator(BeanValidator validator, Annotation keyAnnotationContainer,
Annotation valueAnnotationContainer) {
keyValidator = new ItemValidator(validator, keyAnnotationContainer);
valueValidator = new ItemValidator(validator, valueAnnotationContainer);
}
public boolean isEmpty() {
return (keyValidator.isEmpty() && valueValidator.isEmpty());
}
/**
* Performs validation of a single entry.
*
* @param result validation results are added here
* @param entry value to be validated
*/
public <K, V> void validateEntry(BeanValidationResult result, Map.Entry<K, V> entry) {
String name = getName(entry);
BeanValidationResult result2 = new BeanValidationResult(name, entry);
keyValidator.validateValue(result2, "key", entry.getKey());
valueValidator.validateValue(result2, "value", entry.getValue());
if (!result2.isClean()) {
result.addResult(result2);
}
}
/**
* Gets a name for the entry.
*
* @param entry entry whose name is to be determined
* @return a name for the entry
*/
protected <K, V> String getName(Map.Entry<K, V> entry) {
K key = entry.getKey();
if (key == null) {
return "";
}
return key.toString();
}
}
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