content: /*
   ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
   ~                                                                               ~
   ~ The MIT License (MIT)                                                         ~
   ~                                                                               ~
   ~ Copyright (c) 2015-2025 miaixz.org and other contributors.                    ~
   ~                                                                               ~
   ~ Permission is hereby granted, free of charge, to any person obtaining a copy  ~
   ~ of this software and associated documentation files (the "Software"), to deal ~
   ~ in the Software without restriction, including without limitation the rights  ~
   ~ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell     ~
   ~ copies of the Software, and to permit persons to whom the Software is         ~
   ~ furnished to do so, subject to the following conditions:                      ~
   ~                                                                               ~
   ~ The above copyright notice and this permission notice shall be included in    ~
   ~ all copies or substantial portions of the Software.                           ~
   ~                                                                               ~
   ~ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR    ~
   ~ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,      ~
   ~ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE   ~
   ~ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER        ~
   ~ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ~
   ~ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN     ~
   ~ THE SOFTWARE.                                                                 ~
   ~                                                                               ~
   ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
  */
  package org.miaixz.bus.image.nimble.codec;
  
  import java.io.FilterOutputStream;
  import java.io.IOException;
  import java.io.OutputStream;
  import java.nio.ByteBuffer;
  import java.util.Arrays;
  
  import javax.imageio.stream.MemoryCacheImageOutputStream;
  
  /**
   * @author Kimi Liu
   * @since Java 17+
   */
  final class CacheImageOutputStream extends MemoryCacheImageOutputStream implements BytesWithImageImageDescriptor {
  
      private final ExtFilterOutputStream stream;
      private final ImageDescriptor imageDescriptor;
  
      public CacheImageOutputStream(ImageDescriptor imageDescriptor) {
          this(new ExtFilterOutputStream(), imageDescriptor);
      }
  
      private CacheImageOutputStream(ExtFilterOutputStream stream, ImageDescriptor imageDescriptor) {
          super(stream);
          this.stream = stream;
          this.imageDescriptor = imageDescriptor;
      }
  
      public void setOutputStream(OutputStream stream) {
          this.stream.setOutputStream(stream);
      }
  
      @Override
      public ImageDescriptor getImageDescriptor() {
          return imageDescriptor;
      }
  
      @Override
      public ByteBuffer getBytes() throws IOException {
          byte[] array = new byte[8192];
          int length = 0;
          int read;
          while ((read = this.read(array, length, array.length - length)) > 0) {
              if ((length += read) == array.length)
                  array = Arrays.copyOf(array, array.length << 1);
          }
          return ByteBuffer.wrap(array, 0, length);
      }
  
      @Override
      public void flushBefore(long pos) throws IOException {
          if (stream.getOutputStream() != null)
              super.flushBefore(pos);
      }
  
      private static final class ExtFilterOutputStream extends FilterOutputStream {
  
          public ExtFilterOutputStream() {
              super(null);
          }
  
          public OutputStream getOutputStream() {
              return super.out;
          }
  
          public void setOutputStream(OutputStream out) {
              super.out = out;
          }
  
          @Override
          public void write(byte[] b, int off, int len) throws IOException {
              out.write(b, off, len);
          }
      }
  
  }
  