content: /*
   * Copyright (C) 2016 The Android Open Source Project
   *
   * 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 android.media;
  
  import android.media.MediaDrm;
  
  import java.util.Arrays;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.UUID;
  
  /**
   * Encapsulates initialization data required by a {@link MediaDrm} instance.
   */
  public abstract class DrmInitData {
  
      /**
       * Prevent public constuctor access
       */
      /* package private */ DrmInitData() {
      }
  
      /**
       * Retrieves initialization data for a given DRM scheme, specified by its UUID.
       *
       * @param schemeUuid The DRM scheme's UUID.
       * @return The initialization data for the scheme, or null if the scheme is not supported.
       */
      public abstract SchemeInitData get(UUID schemeUuid);
  
      /**
       * Scheme initialization data.
       */
      public static final class SchemeInitData {
  
          /**
           * The mimeType of {@link #data}.
           */
          public final String mimeType;
          /**
           * The initialization data.
           */
          public final byte[] data;
  
          /**
           * @param mimeType The mimeType of the initialization data.
           * @param data The initialization data.
           *
           * @hide
           */
          public SchemeInitData(String mimeType, byte[] data) {
              this.mimeType = mimeType;
              this.data = data;
          }
  
          @Override
          public boolean equals(Object obj) {
              if (!(obj instanceof SchemeInitData)) {
                  return false;
              }
              if (obj == this) {
                  return true;
              }
  
              SchemeInitData other = (SchemeInitData) obj;
              return mimeType.equals(other.mimeType) && Arrays.equals(data, other.data);
          }
  
          @Override
          public int hashCode() {
              return mimeType.hashCode() + 31 * Arrays.hashCode(data);
          }
  
      }
  
  }
  