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//
// ========================================================================
// Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.websocket.jsr356.annotations;
import java.io.IOException;
import java.io.Reader;
import java.lang.reflect.Method;
import javax.websocket.DecodeException;
import javax.websocket.Decoder;
import javax.websocket.OnMessage;
import org.eclipse.jetty.websocket.jsr356.JsrSession;
import org.eclipse.jetty.websocket.jsr356.annotations.Param.Role;
/**
* Callable for {@link OnMessage} annotated methods for {@link Reader} based text message objects
*
* @see TextStream
*/
public class OnMessageTextStreamCallable extends OnMessageCallable
{
private Decoder.TextStream<?> textDecoder;
public OnMessageTextStreamCallable(Class<?> pojo, Method method)
{
super(pojo,method);
}
/**
* Copy Constructor
*/
public OnMessageTextStreamCallable(OnMessageCallable copy)
{
super(copy);
}
public Object call(Object endpoint, Reader reader) throws DecodeException, IOException
{
// Bug-430088 - streaming based calls are dispatched.
// create a copy of the calling args array to prevent concurrency problems.
Object copy[] = new Object[super.args.length];
System.arraycopy(super.args,0,copy,0,super.args.length);
copy[idxMessageObject] = textDecoder.decode(reader);
return super.call(endpoint,copy);
}
@Override
public void init(JsrSession session)
{
idxMessageObject = findIndexForRole(Role.MESSAGE_TEXT_STREAM);
assertRoleRequired(idxMessageObject,"Text Reader Message Object");
super.init(session);
assertDecoderRequired();
textDecoder = (Decoder.TextStream<?>)getDecoder();
}
}
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