com.google.firebase.messaging.CriticalSound Maven / Gradle / Ivy

Go to download

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.

The 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.messaging;

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

import com.google.common.base.Strings;
import com.google.common.collect.ImmutableMap;
import java.util.Map;

/**
 * The sound configuration for APNs critical alerts.
 */
public final class CriticalSound {

  private final Map fields;

  private CriticalSound(Builder builder) {
    checkArgument(!Strings.isNullOrEmpty(builder.name), "name must not be null or empty");
    ImmutableMap.Builder fields = ImmutableMap.builder()
        .put("name", builder.name);
    if (builder.critical) {
      fields.put("critical", 1);
    }
    if (builder.volume != null) {
      checkArgument(builder.volume >= 0 && builder.volume <= 1,
          "volume must be in the interval [0,1]");
      fields.put("volume", builder.volume);
    }
    this.fields = fields.build();
  }

  Map getFields() {
    return fields;
  }

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

  public static final class Builder {

    private boolean critical;
    private String name;
    private Double volume;

    private Builder() {
    }

    /**
     * Sets the critical alert flag on the sound configuration.
     *
     * @param critical True to set the critical alert flag.
     * @return This builder.
     */
    public Builder setCritical(boolean critical) {
      this.critical = critical;
      return this;
    }

    /**
     * The name of a sound file in your app's main bundle or in the {@code Library/Sounds} folder
     * of your app’s container directory. Specify the string {@code default} to play the system
     * sound.
     *
     * @param name Sound file name.
     * @return This builder.
     */
    public Builder setName(String name) {
      this.name = name;
      return this;
    }

    /**
     * The volume for the critical alert's sound. Must be a value between 0.0 (silent) and 1.0
     * (full volume).
     *
     * @param volume A volume between 0.0 (inclusive) and 1.0 (inclusive).
     * @return This builder.
     */
    public Builder setVolume(double volume) {
      this.volume = volume;
      return this;
    }

    /**
     * Builds a new {@link CriticalSound} instance from the fields set on this builder.
     *
     * @return A non-null {@link CriticalSound}.
     * @throws IllegalArgumentException If the volume value is out of range.
     */
    public CriticalSound build() {
      return new CriticalSound(this);
    }
  }
}