text: /*
   * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  package com.sun.imageio.spi;
  
  import java.io.File;
  import java.io.IOException;
  import java.io.OutputStream;
  import java.util.Locale;
  import javax.imageio.spi.ImageOutputStreamSpi;
  import javax.imageio.stream.ImageOutputStream;
  import javax.imageio.stream.FileCacheImageOutputStream;
  import javax.imageio.stream.MemoryCacheImageOutputStream;
  
  public class OutputStreamImageOutputStreamSpi extends ImageOutputStreamSpi {
  
      private static final String vendorName = "Oracle Corporation";
  
      private static final String version = "1.0";
  
      private static final Class outputClass = OutputStream.class;
  
      public OutputStreamImageOutputStreamSpi() {
          super(vendorName, version, outputClass);
      }
  
      public String getDescription(Locale locale) {
          return "Service provider that instantiates an OutputStreamImageOutputStream from an OutputStream";
      }
  
      public boolean canUseCacheFile() {
          return true;
      }
  
      public boolean needsCacheFile() {
          return false;
      }
  
      public ImageOutputStream createOutputStreamInstance(Object output,
                                                          boolean useCache,
                                                          File cacheDir)
          throws IOException {
          if (output instanceof OutputStream) {
              OutputStream os = (OutputStream)output;
              if (useCache) {
                  return new FileCacheImageOutputStream(os, cacheDir);
              } else {
                  return new MemoryCacheImageOutputStream(os);
              }
          } else {
              throw new IllegalArgumentException();
          }
      }
  }
  