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//
// ========================================================================
// Copyright (c) 1995-2013 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 javax.websocket.Decoder;
import javax.websocket.OnMessage;
import org.eclipse.jetty.websocket.common.events.annotated.InvalidSignatureException;
import org.eclipse.jetty.websocket.jsr356.annotations.Param.Role;
import org.eclipse.jetty.websocket.jsr356.metadata.DecoderMetadata;
/**
* Param handling for Text or Binary @{@link OnMessage} parameters declared as {@link Decoder}s
*/
public class JsrParamIdDecoder extends JsrParamIdOnMessage implements IJsrParamId
{
private final DecoderMetadata metadata;
public JsrParamIdDecoder(DecoderMetadata metadata)
{
this.metadata = metadata;
}
@Override
public boolean process(Param param, JsrCallable callable) throws InvalidSignatureException
{
if (param.type.isAssignableFrom(metadata.getObjectType()))
{
assertPartialMessageSupportDisabled(param,callable);
switch (metadata.getMessageType())
{
case TEXT:
if (metadata.isStreamed())
{
param.bind(Role.MESSAGE_TEXT_STREAM);
}
else
{
param.bind(Role.MESSAGE_TEXT);
}
break;
case BINARY:
if (metadata.isStreamed())
{
param.bind(Role.MESSAGE_BINARY_STREAM);
}
else
{
param.bind(Role.MESSAGE_BINARY);
}
break;
case PONG:
param.bind(Role.MESSAGE_PONG);
break;
}
callable.setDecoderClass(metadata.getCoderClass());
return true;
}
return false;
}
}
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