com.google.api.client.googleapis.util.Utils Maven / Gradle / Ivy
/*
* Copyright 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.util;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.gson.GsonFactory;
import com.google.api.client.util.Beta;
/**
* {@link Beta}
* Utility class for the Google API Client Library.
*
* @since 1.19
*/
@Beta
public final class Utils {
/** Returns a cached default implementation of the JsonFactory interface. */
public static JsonFactory getDefaultJsonFactory() {
return JsonFactoryInstanceHolder.INSTANCE;
}
private static class JsonFactoryInstanceHolder {
// The jackson2.JacksonFactory was introduced as a product dependency in 1.19 to enable
// other APIs to not require one of these for input. This was the most commonly used
// implementation in public samples. This is a compile-time dependency to help detect the
// dependency as early as possible.
static final JsonFactory INSTANCE = new GsonFactory();
}
/** Returns a cached default implementation of the HttpTransport interface. */
public static HttpTransport getDefaultTransport() {
return TransportInstanceHolder.INSTANCE;
}
private static class TransportInstanceHolder {
static final HttpTransport INSTANCE = new NetHttpTransport();
}
private Utils() {}
}