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/*
 * Copyright (c) 2013 Google Inc.
 *
 * 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.client.googleapis.javanet;

import com.google.api.client.googleapis.GoogleUtils;
import com.google.api.client.http.javanet.NetHttpTransport;

import java.io.IOException;
import java.security.GeneralSecurityException;
import java.security.KeyStore;

/**
 * Utilities for Google APIs based on {@link NetHttpTransport}.
 *
 * @since 1.14
 * @author Yaniv Inbar
 */
public class GoogleNetHttpTransport {

  /**
   * Returns a new instance of {@link NetHttpTransport} that uses
   * {@link GoogleUtils#getCertificateTrustStore()} for the trusted certificates using
   * {@link com.google.api.client.http.javanet.NetHttpTransport.Builder#trustCertificates(KeyStore)}
   * .
   *
   * 
   * This helper method doesn't provide for customization of the {@link NetHttpTransport}, such as
   * the ability to specify a proxy. To do use, use
   * {@link com.google.api.client.http.javanet.NetHttpTransport.Builder}, for example:
   * 
   *
   *   static HttpTransport newProxyTransport() throws GeneralSecurityException, IOException {
    NetHttpTransport.Builder builder = new NetHttpTransport.Builder();
    builder.trustCertificates(GoogleUtils.getCertificateTrustStore());
    builder.setProxy(new Proxy(Proxy.Type.HTTP, new InetSocketAddress("127.0.0.1", 3128)));
    return builder.build();
  }
   * 
   */
  public static NetHttpTransport newTrustedTransport()
      throws GeneralSecurityException, IOException {
    return new NetHttpTransport.Builder().trustCertificates(GoogleUtils.getCertificateTrustStore())
        .build();
  }

  private GoogleNetHttpTransport() {
  }
}