io.micronaut.web.router.version.ConfigurationDefaultVersionProvider Maven / Gradle / Ivy
/*
* Copyright 2017-2019 original authors
*
* 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.
*/
package io.micronaut.web.router.version;
import io.micronaut.context.annotation.Requires;
import io.micronaut.context.exceptions.ConfigurationException;
import javax.inject.Singleton;
/**
* Implementation of {@link DefaultVersionProvider} which uses configuration.
* If value micronaut.router.versioning.default-version is present, this bean is loaded and returns that value.
*
* @author Sergio del Amo
* @since 1.1.0
*/
@Requires(beans = RoutesVersioningConfiguration.class)
@Requires(property = RoutesVersioningConfiguration.PREFIX + ".default-version")
@Singleton
public class ConfigurationDefaultVersionProvider implements DefaultVersionProvider {
private final String defaultVersion;
/**
*
* @param routesVersioningConfiguration Routes Versioning Configuration.
*/
public ConfigurationDefaultVersionProvider(RoutesVersioningConfiguration routesVersioningConfiguration) {
if (!routesVersioningConfiguration.getDefaultVersion().isPresent()) {
throw new ConfigurationException("this bean should not be loaded if " + RoutesVersioningConfiguration.PREFIX + ".default-version" + "is null");
}
this.defaultVersion = routesVersioningConfiguration.getDefaultVersion().get();
}
@Override
public String resolveDefaultVersion() {
return defaultVersion;
}
}