io.micronaut.multitenancy.tenantresolver.SystemPropertyTenantResolver 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.multitenancy.tenantresolver;
import io.micronaut.context.annotation.Requires;
import io.micronaut.core.util.StringUtils;
import io.micronaut.multitenancy.exceptions.TenantNotFoundException;
import javax.inject.Singleton;
import java.io.Serializable;
/**
* A {@link io.micronaut.multitenancy.tenantresolver.TenantResolver} that resolves from a System property called {@value SystemPropertyTenantResolverConfigurationProperties#DEFAULT_SYSTEM_PROPERTY_NAME}. Useful for testing.
*
* @author Sergio del Amo
* @since 1.0
*/
@Singleton
@Requires(beans = SystemPropertyTenantResolverConfiguration.class)
@Requires(property = SystemPropertyTenantResolverConfigurationProperties.PREFIX + ".enabled", value = StringUtils.TRUE, defaultValue = StringUtils.FALSE)
public class SystemPropertyTenantResolver implements TenantResolver {
private SystemPropertyTenantResolverConfiguration systemPropertyTenantResolverConfiguration;
/**
* Constructs a system property tenant resolver.
* @param systemPropertyTenantResolverConfiguration {@link io.micronaut.multitenancy.tenantresolver.SystemPropertyTenantResolverConfiguration} Configuration for system property tenant resolver.
*/
public SystemPropertyTenantResolver(SystemPropertyTenantResolverConfiguration systemPropertyTenantResolverConfiguration) {
this.systemPropertyTenantResolverConfiguration = systemPropertyTenantResolverConfiguration;
}
/**
* @return the tenant ID if resolved.
* @throws TenantNotFoundException if tenant not found.
*/
@Override
public Serializable resolveTenantIdentifier() throws TenantNotFoundException {
String value = System.getProperty(systemPropertyTenantResolverConfiguration.getSystemPropertyName());
if (value == null) {
throw new TenantNotFoundException("System property (" + systemPropertyTenantResolverConfiguration.getSystemPropertyName() + ") not found");
}
return value;
}
}