jdk/src/share/classes/com/sun/imageio/spi/OutputStreamImageOutputStreamSpi.java
author bae
Fri, 15 Oct 2010 12:02:06 +0400
changeset 6816 6c2a27114265
parent 5506 202f599c92aa
child 7668 d4a77089c587
permissions -rw-r--r--
6984033: imageio vendor references need to change (jdk7 only) Reviewed-by: prr, ohair
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/*
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 * Copyright (c) 2000, 2001, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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package com.sun.imageio.spi;
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import java.io.File;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.Locale;
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import javax.imageio.spi.ImageOutputStreamSpi;
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import javax.imageio.stream.ImageOutputStream;
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import javax.imageio.stream.FileCacheImageOutputStream;
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import javax.imageio.stream.MemoryCacheImageOutputStream;
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public class OutputStreamImageOutputStreamSpi extends ImageOutputStreamSpi {
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    private static final String vendorName = "Oracle Corporation";
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    private static final String version = "1.0";
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    private static final Class outputClass = OutputStream.class;
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    public OutputStreamImageOutputStreamSpi() {
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        super(vendorName, version, outputClass);
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    }
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    public String getDescription(Locale locale) {
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        return "Service provider that instantiates an OutputStreamImageOutputStream from an OutputStream";
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    }
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    public boolean canUseCacheFile() {
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        return true;
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    }
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    public boolean needsCacheFile() {
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        return false;
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    }
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    public ImageOutputStream createOutputStreamInstance(Object output,
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                                                        boolean useCache,
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                                                        File cacheDir)
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        throws IOException {
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        if (output instanceof OutputStream) {
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            OutputStream os = (OutputStream)output;
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            if (useCache) {
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                return new FileCacheImageOutputStream(os, cacheDir);
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            } else {
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                return new MemoryCacheImageOutputStream(os);
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            }
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        } else {
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            throw new IllegalArgumentException();
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        }
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    }
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}