io.joynr.util.VersionUtil Maven / Gradle / Ivy
/*
* #%L
* %%
* Copyright (C) 2011 - 2017 BMW Car IT GmbH
* %%
* 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.
* #L%
*/
package io.joynr.util;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import io.joynr.JoynrVersion;
import joynr.types.Version;
/**
* Utility for extrapolating version information from various classes and annotations.
*/
public class VersionUtil {
private static final Logger logger = LoggerFactory.getLogger(VersionUtil.class);
public static Version getVersionFromAnnotation(Class> annotatedClass) {
JoynrVersion versionAnnotation = AnnotationUtil.getAnnotation(annotatedClass, JoynrVersion.class);
if (versionAnnotation == null) {
throw new IllegalStateException("No @JoynrVersion found on " + annotatedClass);
}
Version version = new Version(versionAnnotation.major(), versionAnnotation.minor());
logger.trace("Created version {} for interface class {}", version, annotatedClass);
return version;
}
}