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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.Reader;
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.decoders.BooleanDecoder;
import org.eclipse.jetty.websocket.jsr356.decoders.ByteDecoder;
import org.eclipse.jetty.websocket.jsr356.decoders.CharacterDecoder;
import org.eclipse.jetty.websocket.jsr356.decoders.DoubleDecoder;
import org.eclipse.jetty.websocket.jsr356.decoders.FloatDecoder;
import org.eclipse.jetty.websocket.jsr356.decoders.IntegerDecoder;
import org.eclipse.jetty.websocket.jsr356.decoders.LongDecoder;
import org.eclipse.jetty.websocket.jsr356.decoders.ReaderDecoder;
import org.eclipse.jetty.websocket.jsr356.decoders.ShortDecoder;
import org.eclipse.jetty.websocket.jsr356.decoders.StringDecoder;
/**
* Param handling for static Text @{@link OnMessage} parameters
*/
public class JsrParamIdText extends JsrParamIdOnMessage implements IJsrParamId
{
public static final IJsrParamId INSTANCE = new JsrParamIdText();
private boolean isMessageRoleAssigned(JsrCallable callable)
{
if (callable instanceof OnMessageCallable)
{
OnMessageCallable onmessage = (OnMessageCallable)callable;
return onmessage.isMessageRoleAssigned();
}
return false;
}
@Override
public boolean process(Param param, JsrCallable callable) throws InvalidSignatureException
{
if (super.process(param,callable))
{
// Found common roles
return true;
}
// String for whole message
if (param.type.isAssignableFrom(String.class))
{
param.bind(Role.MESSAGE_TEXT);
callable.setDecoderClass(StringDecoder.class);
return true;
}
// Java primitive or class equivalent to receive the whole message converted to that type
if (param.type.isAssignableFrom(Boolean.class))
{
assertPartialMessageSupportDisabled(param,callable);
param.bind(Role.MESSAGE_TEXT);
callable.setDecoderClass(BooleanDecoder.class);
return true;
}
if (param.type.isAssignableFrom(Byte.class) || (param.type == Byte.TYPE))
{
assertPartialMessageSupportDisabled(param,callable);
param.bind(Role.MESSAGE_TEXT);
callable.setDecoderClass(ByteDecoder.class);
return true;
}
if (param.type.isAssignableFrom(Character.class) || (param.type == Character.TYPE))
{
assertPartialMessageSupportDisabled(param,callable);
param.bind(Role.MESSAGE_TEXT);
callable.setDecoderClass(CharacterDecoder.class);
return true;
}
if (param.type.isAssignableFrom(Double.class) || (param.type == Double.TYPE))
{
assertPartialMessageSupportDisabled(param,callable);
param.bind(Role.MESSAGE_TEXT);
callable.setDecoderClass(DoubleDecoder.class);
return true;
}
if (param.type.isAssignableFrom(Float.class) || (param.type == Float.TYPE))
{
assertPartialMessageSupportDisabled(param,callable);
param.bind(Role.MESSAGE_TEXT);
callable.setDecoderClass(FloatDecoder.class);
return true;
}
if (param.type.isAssignableFrom(Integer.class) || (param.type == Integer.TYPE))
{
assertPartialMessageSupportDisabled(param,callable);
param.bind(Role.MESSAGE_TEXT);
callable.setDecoderClass(IntegerDecoder.class);
return true;
}
if (param.type.isAssignableFrom(Long.class) || (param.type == Long.TYPE))
{
assertPartialMessageSupportDisabled(param,callable);
param.bind(Role.MESSAGE_TEXT);
callable.setDecoderClass(LongDecoder.class);
return true;
}
if (param.type.isAssignableFrom(Short.class) || (param.type == Short.TYPE))
{
assertPartialMessageSupportDisabled(param,callable);
param.bind(Role.MESSAGE_TEXT);
callable.setDecoderClass(ShortDecoder.class);
return true;
}
// Streaming
if (param.type.isAssignableFrom(Reader.class))
{
assertPartialMessageSupportDisabled(param,callable);
param.bind(Role.MESSAGE_TEXT_STREAM);
callable.setDecoderClass(ReaderDecoder.class);
return true;
}
/*
* boolean primitive.
*
* can be used for either: 1) a boolean message type 2) a partial message indicator flag
*/
if (param.type == Boolean.TYPE)
{
if (isMessageRoleAssigned(callable))
{
param.bind(Role.MESSAGE_PARTIAL_FLAG);
}
else
{
param.bind(Role.MESSAGE_TEXT);
callable.setDecoderClass(BooleanDecoder.class);
}
return true;
}
return false;
}
}
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