io.micrometer.spring.TimedUtils Maven / Gradle / Ivy

Go to download
/**
 * Copyright 2017 VMware, Inc.
 * 
 * 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
 * 

 * https://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 io.micrometer.spring;

import io.micrometer.core.annotation.Timed;
import io.micrometer.core.annotation.TimedSet;
import org.springframework.core.annotation.AnnotationUtils;

import java.lang.reflect.AnnotatedElement;
import java.util.Arrays;
import java.util.Collections;
import java.util.Set;
import java.util.stream.Collectors;

public final class TimedUtils {
    private TimedUtils() {
    }

    public static Set findTimedAnnotations(AnnotatedElement element) {
        Timed t = AnnotationUtils.findAnnotation(element, Timed.class);
        //noinspection ConstantConditions
        if (t != null)
            return Collections.singleton(t);

        TimedSet ts = AnnotationUtils.findAnnotation(element, TimedSet.class);
        if (ts != null) {
            return Arrays.stream(ts.value()).collect(Collectors.toSet());
        }

        return Collections.emptySet();
    }
}