org.eclipse.jetty.websocket.jsr356.annotations.OnMessageBinaryCallable Maven / Gradle / Ivy
//
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// Copyright (c) 1995-2018 Mort Bay Consulting Pty. Ltd.
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// 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
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// You may elect to redistribute this code under either of these licenses.
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package org.eclipse.jetty.websocket.jsr356.annotations;
import java.lang.reflect.Method;
import java.nio.ByteBuffer;
import javax.websocket.DecodeException;
import javax.websocket.Decoder;
import org.eclipse.jetty.websocket.jsr356.JsrSession;
import org.eclipse.jetty.websocket.jsr356.annotations.Param.Role;
/**
* Callable for {@link javax.websocket.OnMessage} annotated methods with a whole or partial binary messages.
*
* Not for use with {@link java.io.InputStream} based {@link javax.websocket.OnMessage} method objects.
*
* @see javax.websocket.Decoder.Binary
*/
public class OnMessageBinaryCallable extends OnMessageCallable
{
private Decoder.Binary binaryDecoder;
public OnMessageBinaryCallable(Class pojo, Method method)
{
super(pojo,method);
}
/**
* Copy Constructor
*/
public OnMessageBinaryCallable(OnMessageCallable copy)
{
super(copy);
}
public Object call(Object endpoint, ByteBuffer buf, boolean partialFlag) throws DecodeException
{
super.args[idxMessageObject] = binaryDecoder.decode(buf);
if (idxPartialMessageFlag >= 0)
{
super.args[idxPartialMessageFlag] = partialFlag;
}
return super.call(endpoint,super.args);
}
@Override
public void init(JsrSession session)
{
idxMessageObject = findIndexForRole(Role.MESSAGE_BINARY);
assertRoleRequired(idxMessageObject,"Binary Message Object");
super.init(session);
assertDecoderRequired();
binaryDecoder = (Decoder.Binary)getDecoder();
}
}