content: /*
   * Copyright (C) 2021 - Amir Hossein Aghajari
   *
   * 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.aghajari.rlottie.glide.decoder;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.nio.ByteBuffer;
  
  /**
   * https://stackoverflow.com/a/6603018
   */
  class ByteBufferBackedInputStream extends InputStream {
  
      ByteBuffer buf;
  
      public ByteBufferBackedInputStream(ByteBuffer buf) {
          this.buf = buf;
      }
  
      public int read() {
          if (!buf.hasRemaining()) {
              return -1;
          }
          return buf.get() & 0xFF;
      }
  
      public int read(byte[] bytes, int off, int len) {
          if (!buf.hasRemaining()) {
              return -1;
          }
  
          len = Math.min(len, buf.remaining());
          buf.get(bytes, off, len);
          return len;
      }
  }