com.twelvemonkeys.imageio.util.IIOOutputStreamAdapter Maven / Gradle / Ivy
/*
* Copyright (c) 2008, Harald Kuhr
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.twelvemonkeys.imageio.util;
import com.twelvemonkeys.lang.Validate;
import javax.imageio.stream.ImageOutputStream;
import java.io.IOException;
import java.io.OutputStream;
/**
* IIOOutputStreamAdapter
*
* @author Harald Kuhr
* @author last modified by $Author: haraldk$
* @version $Id: IIOOutputStreamAdapter.java,v 1.0 Sep 26, 2007 11:50:38 AM haraldk Exp$
*/
class IIOOutputStreamAdapter extends OutputStream {
private ImageOutputStream output;
public IIOOutputStreamAdapter(final ImageOutputStream pOutput) {
Validate.notNull(pOutput, "stream == null");
output = pOutput;
}
@Override
public void write(final byte[] pBytes) throws IOException {
assertOpen();
output.write(pBytes);
}
@Override
public void write(final byte[] pBytes, final int pOffset, final int pLength) throws IOException {
assertOpen();
output.write(pBytes, pOffset, pLength);
}
@Override
public void write(final int pByte) throws IOException {
assertOpen();
output.write(pByte);
}
@Override
public void flush() throws IOException {
// NOTE: The contract of OutputStream.flush is very different from ImageOutputStream.flush. We can't delegate.
// TODO: Fulfill the contract of OutputStream.flush? This seems to be good enough for now.
assertOpen();
}
private void assertOpen() throws IOException {
if (output == null) {
throw new IOException("stream already closed");
}
}
@Override
public void close() throws IOException {
output = null;
}
}
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