google-nomulus/java/google/registry/pricing/PricingEngineProxy.java
mcilwain aa2f283f7c Convert entire project to strict lexicographical import sort ordering
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=127234970
2016-07-13 15:59:53 -04:00

78 lines
3.6 KiB
Java

// Copyright 2016 The Domain Registry Authors. 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.
package google.registry.pricing;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkState;
import static google.registry.util.DomainNameUtils.getTldFromDomainName;
import com.google.common.base.Function;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Maps;
import google.registry.model.pricing.PremiumPricingEngine;
import google.registry.model.pricing.PremiumPricingEngine.DomainPrices;
import google.registry.model.registry.Registry;
import java.util.Map;
import org.joda.money.Money;
import org.joda.time.DateTime;
/**
* A global proxy providing static methods for getting premium prices that dispatches requests
* correctly to the relevant {@link PremiumPricingEngine} implementation per TLD.
*/
public final class PricingEngineProxy {
private static final Map<Class<? extends PremiumPricingEngine>, PremiumPricingEngine>
premiumPricingEngineClasses = DaggerPricingComponent.create().premiumPricingEngines();
// Dagger map keys have to be provided with constant values that are known at compile time, so it
// can't be done using clazz.getCanonicalName(). So we construct the map by canonical name here,
// at runtime.
private static final ImmutableMap<String, PremiumPricingEngine> premiumPricingEngines =
Maps.uniqueIndex(
premiumPricingEngineClasses.values(),
new Function<PremiumPricingEngine, String>() {
@Override
public String apply(PremiumPricingEngine pricingEngine) {
return pricingEngine.getClass().getCanonicalName();
}});
/** Returns the billing cost for registering the specified domain name for this many years. */
public static Money getDomainCreateCost(String domainName, DateTime priceTime, int years) {
checkArgument(years > 0, "Number of years must be positive");
return getPricesForDomainName(domainName, priceTime).getCreateCost().multipliedBy(years);
}
/** Returns the billing cost for renewing the specified domain name for this many years. */
public static Money getDomainRenewCost(String domainName, DateTime priceTime, int years) {
checkArgument(years > 0, "Number of years must be positive");
return getPricesForDomainName(domainName, priceTime).getRenewCost().multipliedBy(years);
}
/**
* Returns the full {@link DomainPrices} details for the given domain name by dispatching to the
* appropriate {@link PremiumPricingEngine} based on what is configured for the TLD that the
* domain is under.
*/
public static DomainPrices getPricesForDomainName(String domainName, DateTime priceTime) {
String tld = getTldFromDomainName(domainName);
String clazz = Registry.get(tld).getPremiumPricingEngineClassName();
PremiumPricingEngine engine = premiumPricingEngines.get(clazz);
checkState(engine != null, "Could not load pricing engine %s for TLD %s", clazz, tld);
return engine.getDomainPrices(domainName, priceTime);
}
private PricingEngineProxy() {}
}