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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.

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/*
 * 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.auth;

import static com.google.common.base.Preconditions.checkNotNull;

import com.google.common.collect.ImmutableMap;
import com.google.firebase.internal.NonNull;
import java.util.List;
import java.util.Map;

/**
 * A collection of options that can be passed to the
 * {@link FirebaseAuth#importUsersAsync(List, UserImportOptions)} API.
 */
public final class UserImportOptions {

  private final UserImportHash hash;

  private UserImportOptions(Builder builder) {
    this.hash = checkNotNull(builder.hash);
  }

  /**
   * Creates a new {@link UserImportOptions} containing the provided hash algorithm.
   *
   * @param hash A non-null {@link UserImportHash}.
   * @return A new {@link UserImportOptions}.
   */
  public static UserImportOptions withHash(@NonNull UserImportHash hash) {
    return builder().setHash(checkNotNull(hash)).build();
  }

  /**
   * Creates a new {@link UserImportOptions.Builder}.
   *
   * @return A {@link UserImportOptions.Builder} instance.
   */
  public static Builder builder() {
    return new Builder();
  }

  Map getProperties() {
    return ImmutableMap.builder()
        .putAll(hash.getProperties())
        .build();
  }

  UserImportHash getHash() {
    return hash;
  }

  public static class Builder {

    private UserImportHash hash;

    private Builder() {}

    /**
     * Sets the algorithm used to hash user passwords. This is required
     * when at least one of the {@link ImportUserRecord} instances being imported has a password
     * hash. See {@link ImportUserRecord.Builder#setPasswordHash(byte[])}.
     *
     * @param hash A {@link UserImportHash}.
     * @return This builder.
     */
    public Builder setHash(@NonNull UserImportHash hash) {
      this.hash = hash;
      return this;
    }

    /**
     * Builds a new {@link UserImportOptions}.
     *
     * @return A non-null {@link UserImportOptions}.
     */
    public UserImportOptions build() {
      return new UserImportOptions(this);
    }
  }
}