01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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: package org.apache.harmony.x.imageio.spi;
19:
20: import javax.imageio.spi.ImageOutputStreamSpi;
21: import javax.imageio.stream.ImageOutputStream;
22: import javax.imageio.stream.FileCacheImageOutputStream;
23: import javax.imageio.stream.MemoryCacheImageOutputStream;
24: import java.io.File;
25: import java.io.IOException;
26: import java.io.OutputStream;
27: import java.util.Locale;
28:
29: public class OutputStreamIOSSpi extends ImageOutputStreamSpi {
30: private static final String vendor = "Apache";
31:
32: private static final String ver = "0.1";
33:
34: public OutputStreamIOSSpi() {
35: super (vendor, ver, OutputStream.class);
36: }
37:
38: @Override
39: public ImageOutputStream createOutputStreamInstance(Object output,
40: boolean useCache, File cacheDir) throws IOException {
41: if (output instanceof OutputStream) {
42: if (useCache) {
43: return new FileCacheImageOutputStream(
44: (OutputStream) output, cacheDir);
45: } else {
46: return new MemoryCacheImageOutputStream(
47: (OutputStream) output);
48: }
49: }
50: throw new IllegalArgumentException(
51: "Output is not an instance of OutputStream");
52: }
53:
54: @Override
55: public String getDescription(Locale locale) {
56: return "Output Stream IOS Spi";
57: }
58:
59: @Override
60: public boolean canUseCacheFile() {
61: return true;
62: }
63: }
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