/*
* @(#)OutputStreamImageOutputStreamSpi.java 1.9 05/11/17
*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
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 = "Sun Microsystems, Inc.";
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();
}
}
}