/**
* Copyright 2005-2014 Restlet
*
* The contents of this file are subject to the terms of one of the following
* open source licenses: Apache 2.0 or or EPL 1.0 (the "Licenses"). You can
* select the license that you prefer but you may not use this file except in
* compliance with one of these Licenses.
*
* You can obtain a copy of the Apache 2.0 license at
* http://www.opensource.org/licenses/apache-2.0
*
* You can obtain a copy of the EPL 1.0 license at
* http://www.opensource.org/licenses/eclipse-1.0
*
* See the Licenses for the specific language governing permissions and
* limitations under the Licenses.
*
* Alternatively, you can obtain a royalty free commercial license with less
* limitations, transferable or non-transferable, directly at
* http://restlet.com/products/restlet-framework
*
* Restlet is a registered trademark of Restlet S.A.S.
*/
package org.restlet.representation;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Reader;
/**
* Empty representation with no content. It is always considered available but
* calling the {@link #getText()} method for example will return an empty
* string. It can also have regular metadata available.
*
* @author Jerome Louvel
*/
public class EmptyRepresentation extends Representation {
/**
* Constructor.
*/
public EmptyRepresentation() {
setAvailable(false);
setTransient(true);
setSize(0);
}
// [ifndef gwt] method
@Override
public java.nio.channels.ReadableByteChannel getChannel()
throws IOException {
return null;
}
@Override
public Reader getReader() throws IOException {
return null;
}
@Override
public InputStream getStream() throws IOException {
return null;
}
// [ifndef gwt] method
@Override
public String getText() throws IOException {
return null;
}
// [ifdef gwt] method uncomment
// @Override
// public String getText() throws IOException {
// return "";
// }
// [ifndef gwt] method
@Override
public void write(java.io.Writer writer) throws IOException {
// Do nothing
}
// [ifndef gwt] method
@Override
public void write(java.nio.channels.WritableByteChannel writableChannel)
throws IOException {
// Do nothing
}
// [ifndef gwt] method
@Override
public void write(OutputStream outputStream) throws IOException {
// Do nothing
}
}