content: /*
   * Copyright (C) 2014 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 com.android.bitmap;
  
  import android.content.res.Resources;
  
  import java.io.IOException;
  import java.io.InputStream;
  
  /**
   * Simple RequestKey for decoding from a resource id.
   */
  public class ResourceRequestKey implements RequestKey {
  
      private Resources mResources;
      private int mResId;
  
      /**
       * Create a new request key with the given resource id. A resId of 0 will
       * return a null request key.
       */
      public static ResourceRequestKey from(Resources res, int resId) {
          if (resId != 0) {
              return new ResourceRequestKey(res, resId);
          }
          return null;
      }
  
      private ResourceRequestKey(Resources res, int resId) {
          mResources = res;
          mResId = resId;
      }
  
      @Override
      public Cancelable createFileDescriptorFactoryAsync(RequestKey requestKey, Callback callback) {
          return null;
      }
  
      @Override
      public InputStream createInputStream() throws IOException {
          return mResources.openRawResource(mResId);
      }
  
      @Override
      public boolean hasOrientationExif() throws IOException {
          return false;
      }
  
      // START AUTO-GENERATED CODE
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          }
          if (o == null || getClass() != o.getClass()) {
              return false;
          }
  
          ResourceRequestKey that = (ResourceRequestKey) o;
  
          if (mResId != that.mResId) {
              return false;
          }
  
          return true;
      }
  
      @Override
      public int hashCode() {
          return mResId;
      }
  
      // END AUTO-GENERATED CODE
  
      @Override
      public String toString() {
          return String.format("ResourceRequestKey: %d", mResId);
      }
  }
  