/* * 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.InputStream;import java.io.IOException;import java.util.Locale;import javax.imageio.spi.ImageInputStreamSpi;import javax.imageio.stream.ImageInputStream;import javax.imageio.stream.FileCacheImageInputStream;import javax.imageio.stream.MemoryCacheImageInputStream;public class InputStreamImageInputStreamSpi extends ImageInputStreamSpi { private static final String vendorName = "Oracle Corporation"; private static final String version = "1.0"; private static final Class inputClass = InputStream.class; public InputStreamImageInputStreamSpi() { super(vendorName, version, inputClass); } public String getDescription(Locale locale) { return "Service provider that instantiates a FileCacheImageInputStream or MemoryCacheImageInputStream from an InputStream"; } public boolean canUseCacheFile() { return true; } public boolean needsCacheFile() { return false; } public ImageInputStream createInputStreamInstance(Object input, boolean useCache, File cacheDir) throws IOException { if (input instanceof InputStream) { InputStream is = (InputStream)input; if (useCache) { return new FileCacheImageInputStream(is, cacheDir); } else { return new MemoryCacheImageInputStream(is); } } else { throw new IllegalArgumentException(); } }}
/*
* 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.InputStream;
import java.io.IOException;
import java.util.Locale;
import javax.imageio.spi.ImageInputStreamSpi;
import javax.imageio.stream.ImageInputStream;
import javax.imageio.stream.FileCacheImageInputStream;
import javax.imageio.stream.MemoryCacheImageInputStream;
public class InputStreamImageInputStreamSpi extends ImageInputStreamSpi {
private static final String vendorName = "Oracle Corporation";
private static final String version = "1.0";
private static final Class inputClass = InputStream.class;
public InputStreamImageInputStreamSpi() {
super(vendorName, version, inputClass);
}
public String getDescription(Locale locale) {
return "Service provider that instantiates a FileCacheImageInputStream or MemoryCacheImageInputStream from an InputStream";
}
public boolean canUseCacheFile() {
return true;
}
public boolean needsCacheFile() {
return false;
}
public ImageInputStream createInputStreamInstance(Object input,
boolean useCache,
File cacheDir)
throws IOException {
if (input instanceof InputStream) {
InputStream is = (InputStream)input;
if (useCache) {
return new FileCacheImageInputStream(is, cacheDir);
} else {
return new MemoryCacheImageInputStream(is);
}
} else {
throw new IllegalArgumentException();
}
}
}