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* Copyright 2005-2012 Restlet S.A.S.
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* The contents of this file are subject to the terms of one of the following
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* open source licenses: Apache 2.0 or LGPL 3.0 or LGPL 2.1 or CDDL 1.0 or EPL
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* 1.0 (the "Licenses"). You can select the license that you prefer but you may
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* not use this file except in compliance with one of these Licenses.
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* You can obtain a copy of the Apache 2.0 license at
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* http://www.opensource.org/licenses/apache-2.0
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* You can obtain a copy of the LGPL 3.0 license at
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* http://www.opensource.org/licenses/lgpl-3.0
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* You can obtain a copy of the LGPL 2.1 license at
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* http://www.opensource.org/licenses/lgpl-2.1
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* You can obtain a copy of the CDDL 1.0 license at
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* http://www.opensource.org/licenses/cddl1
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* You can obtain a copy of the EPL 1.0 license at
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* http://www.opensource.org/licenses/eclipse-1.0
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* See the Licenses for the specific language governing permissions and
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* limitations under the Licenses.
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* Alternatively, you can obtain a royalty free commercial license with less
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* limitations, transferable or non-transferable, directly at
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* http://www.restlet.com/products/restlet-framework
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* Restlet is a registered trademark of Restlet S.A.S.
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package org.restlet.representation;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.Reader;
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import java.io.Writer;
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import org.restlet.data.MediaType;
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import org.restlet.engine.io.BioUtils;
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import org.restlet.engine.io.NioUtils;
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* Representation based on a NIO byte channel.
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* @author Jerome Louvel
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public abstract class ChannelRepresentation extends Representation {
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public ChannelRepresentation(MediaType mediaType) {
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public Reader getReader() throws IOException {
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return BioUtils.getReader(getStream(), getCharacterSet());
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public InputStream getStream() throws IOException {
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return NioUtils.getStream(getChannel());
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public void write(OutputStream outputStream) throws IOException {
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NioUtils.copy(getChannel(), outputStream);
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public void write(Writer writer) throws IOException {
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write(BioUtils.getStream(writer));