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