com.google.firebase.internal.FirebaseRequestInitializer Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of firebase-admin Show documentation

This is the official Firebase Admin Java SDK. Build extraordinary native JVM apps in minutes with Firebase. The Firebase platform can power your app’s backend, user authentication, static hosting, and more.

There is a newer version: 9.3.0

Show newest version

/*
 * Copyright 2018 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.firebase.internal;

import com.google.api.client.http.HttpRequest;
import com.google.api.client.http.HttpRequestInitializer;
import com.google.auth.http.HttpCredentialsAdapter;
import com.google.common.collect.ImmutableList;
import com.google.firebase.FirebaseApp;
import com.google.firebase.FirebaseOptions;
import com.google.firebase.ImplFirebaseTrampolines;
import java.io.IOException;
import java.util.List;

/**
 * {@code HttpRequestInitializer} for configuring outgoing REST calls. Initializes requests with
 * OAuth2 credentials, timeout and retry settings.
 */
public final class FirebaseRequestInitializer implements HttpRequestInitializer {

  private final List initializers;

  public FirebaseRequestInitializer(FirebaseApp app) {
    this(app, null);
  }

  public FirebaseRequestInitializer(FirebaseApp app, @Nullable RetryConfig retryConfig) {
    ImmutableList.Builder initializers =
        ImmutableList.builder()
            .add(new HttpCredentialsAdapter(ImplFirebaseTrampolines.getCredentials(app)))
            .add(new TimeoutInitializer(app.getOptions()));
    if (retryConfig != null) {
      initializers.add(new RetryInitializer(retryConfig));
    }
    this.initializers = initializers.build();
  }

  @Override
  public void initialize(HttpRequest request) throws IOException {
    for (HttpRequestInitializer initializer : initializers) {
      initializer.initialize(request);
    }
  }

  private static class TimeoutInitializer implements HttpRequestInitializer {

    private final int connectTimeoutMillis;
    private final int readTimeoutMillis;

    TimeoutInitializer(FirebaseOptions options) {
      this.connectTimeoutMillis = options.getConnectTimeout();
      this.readTimeoutMillis = options.getReadTimeout();
    }

    @Override
    public void initialize(HttpRequest request) {
      request.setConnectTimeout(connectTimeoutMillis);
      request.setReadTimeout(readTimeoutMillis);
    }
  }
}