// Copyright 2011, Google Inc. 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 com.google.api.ads.common.lib.factory;
import com.google.api.ads.common.lib.client.AdsServiceClient;
import com.google.api.ads.common.lib.client.AdsServiceDescriptor;
import com.google.api.ads.common.lib.client.AdsSession;
import com.google.api.ads.common.lib.exception.ServiceException;
import com.google.inject.AbstractModule;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.Key;
/**
* Base factory which creates service clients.
*
* @param <C> the type of {@link AdsServiceClient}
* @param <S> the type of {@link AdsSession}
* @param <D> the type of {@link AdsServiceDescriptor}
*/
public abstract class BaseAdsServiceClientFactory<C extends AdsServiceClient<S, D>,
S extends AdsSession,
D extends AdsServiceDescriptor> {
private AdsServiceClientFactory<C, S, D> adsServiceClientFactory;
/**
* Constructor.
*
* @param adsServiceClientFactory the ads service client factory
*/
protected BaseAdsServiceClientFactory(AdsServiceClientFactory<C, S, D> adsServiceClientFactory) {
this.adsServiceClientFactory = adsServiceClientFactory;
}
/**
* Constructor.
*
* @param module the module used for injection
*/
protected BaseAdsServiceClientFactory(AbstractModule module) {
this(Guice.createInjector(module));
}
/**
* Constructor.
*
* @param injector the injector used for injection
*/
@SuppressWarnings("unchecked") /* Guice binding for AdsServiceClientFactory does not include
* type arguments because each subclass of
* BaseAdsServiceClientFactory is bound in the SOAP
* toolkit-agnostic AdsSoapModule module. Therefore,
* must use the raw type here. */
protected BaseAdsServiceClientFactory(Injector injector) {
this(injector.getInstance(Key.get(AdsServiceClientFactory.class)));
}
/**
* Gets a client given a session and the class of the desired stub interface.
*
* @param adsSession the session associated with the desired
* client
* @param interfaceClass the class type of the desired client
* @return a client for the specified ads service
*/
public <T> T getServiceClientAsInterface(S adsSession, Class<T> interfaceClass)
throws ServiceException {
return adsServiceClientFactory.getServiceClient(adsSession, interfaceClass);
}
}