diff options
Diffstat (limited to 'common-parameters/src/main/java/org/onap/policy/common/parameters/ItemValidator.java')
-rw-r--r-- | common-parameters/src/main/java/org/onap/policy/common/parameters/ItemValidator.java | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/common-parameters/src/main/java/org/onap/policy/common/parameters/ItemValidator.java b/common-parameters/src/main/java/org/onap/policy/common/parameters/ItemValidator.java new file mode 100644 index 00000000..44b70cdf --- /dev/null +++ b/common-parameters/src/main/java/org/onap/policy/common/parameters/ItemValidator.java @@ -0,0 +1,71 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP + * ================================================================================ + * Copyright (C) 2021 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.lang.reflect.AnnotatedType; + +/** + * Validator of an "item", which is typically found in a collection, or the key or value + * components of an entry in a Map. + */ +public class ItemValidator extends ValueValidator { + private final AnnotatedType annotatedType; + + /** + * Constructs the object. + * + * @param validator provider of validation methods + * @param annotatedType a type having validation annotations to be + * applied to the item + */ + public ItemValidator(BeanValidator validator, AnnotatedType annotatedType) { + this(validator, annotatedType, true); + } + + /** + * Constructs the object. + * + * @param validator provider of validation methods + * @param annotatedType a type having validation annotations to be + * applied to the item + * @param addValidators {@code true} if to add validators + */ + public ItemValidator(BeanValidator validator, AnnotatedType annotatedType, boolean addValidators) { + this.annotatedType = annotatedType; + + if (addValidators) { + validator.addValidators(this); + } + } + + /** + * Gets an annotation from the field or the class. + * + * @param annotClass annotation class of interest + * @return the annotation, or {@code null} if the {@link #annotatedType} does + * not contain the desired annotation + */ + @Override + public <T extends Annotation> T getAnnotation(Class<T> annotClass) { + return annotatedType.getAnnotation(annotClass); + } +} |