com.google.api.ads.common.lib.factory.BaseServices Maven / Gradle / Ivy

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// Copyright 2012 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;

/**
 * Base for a utility class which creates service clients.
 *
 * @param  the type of {@link AdsServiceClient}
 * @param  the type of {@link AdsSession}
 * @param  the type of {@link AdsServiceDescriptor}
 *
 * @author Joseph DiLallo
 */
public abstract class BaseServices,
                                   S extends AdsSession,
                                   D extends AdsServiceDescriptor> {

  private final BaseAdsServiceClientFactory factory;

  /**
   * Constructor.
   *
   * @param factory a factory capable of instantiating service clients
   */
  protected BaseServices(BaseAdsServiceClientFactory factory) {
    this.factory = factory;
  }

  /**
   * Gets a client for the service represented by the interface with a reference
   * to the session.
   *
   * @param  the service type
   * @param session your current session
   * @param interfaceClass the service interface class. This is a class
   *        representing a SOAP service
   * @return the client for the service
   */
  public  T get(S session, Class interfaceClass) {
    return factory.getServiceClientAsInterface(session, interfaceClass);
  }
}