1/* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 19package org.apache.harmony.x.imageio.spi; 20 21import javax.imageio.spi.ImageOutputStreamSpi; 22import javax.imageio.stream.ImageOutputStream; 23import javax.imageio.stream.FileCacheImageOutputStream; 24import javax.imageio.stream.MemoryCacheImageOutputStream; 25import java.io.File; 26import java.io.IOException; 27import java.io.OutputStream; 28import java.util.Locale; 29 30public class OutputStreamIOSSpi extends ImageOutputStreamSpi { 31 private static final String vendor = "Apache"; 32 33 private static final String ver = "0.1"; 34 35 public OutputStreamIOSSpi() { 36 super(vendor, ver, OutputStream.class); 37 } 38 39 @Override 40 public ImageOutputStream createOutputStreamInstance(Object output, boolean useCache, File cacheDir) throws IOException { 41 if (output instanceof OutputStream) { 42 if (useCache) { 43 return new FileCacheImageOutputStream((OutputStream) output, cacheDir); 44 } else { 45 return new MemoryCacheImageOutputStream((OutputStream) output); 46 } 47 } 48 throw new IllegalArgumentException("Output is not an instance of OutputStream"); 49 } 50 51 @Override 52 public String getDescription(Locale locale) { 53 return "Output Stream IOS Spi"; 54 } 55 56 @Override 57 public boolean canUseCacheFile() { 58 return true; 59 } 60} 61