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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2018 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.openecomp.mso.openpojo.rules;
import static org.hamcrest.CoreMatchers.anything;
import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeDiagnosingMatcher;
public class HasAnnotationMatcher<T extends Annotation> extends TypeSafeDiagnosingMatcher<AnnotatedElement> {
private final Class<T> annotationType;
private final Matcher<? super T> annotationMatcher;
public HasAnnotationMatcher(final Class<T> annotationType, final Matcher<? super T> annotationMatcher) {
this.annotationType = annotationType;
this.annotationMatcher = annotationMatcher;
}
@Override
protected boolean matchesSafely(final AnnotatedElement item, final Description mismatchDescription) {
final T annotation = item.getAnnotation(this.annotationType);
if (annotation == null) {
mismatchDescription.appendText("does not have annotation ").appendText(this.annotationType.getName());
return false;
}
if (!this.annotationMatcher.matches(annotation)) {
this.annotationMatcher.describeMismatch(annotation, mismatchDescription);
return false;
}
return true;
}
@Override
public void describeTo(final Description description) {
// Intentionally left blank.
}
public static Matcher<AnnotatedElement> hasAnnotation(final Class<? extends Annotation> annotationType) {
return hasAnnotation(annotationType, anything(""));
}
public static <T extends Annotation> Matcher<AnnotatedElement> hasAnnotation(final Class<T> annotationType, final Matcher<? super T> annotationMatcher) {
return new HasAnnotationMatcher<T>(annotationType, annotationMatcher);
}
}
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