org.eclipse.jetty.websocket.common.events.annotated.OptionalSessionCallableMethod Maven / Gradle / Ivy
//
// ========================================================================
// Copyright (c) 1995-2018 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.common.events.annotated;
import java.io.InputStream;
import java.io.Reader;
import java.lang.reflect.Method;
import org.eclipse.jetty.websocket.api.Session;
/**
* Simple CallableMethod that manages the optional {@link Session} argument
*/
public class OptionalSessionCallableMethod extends CallableMethod
{
private final boolean wantsSession;
private final boolean streaming;
public OptionalSessionCallableMethod(Class pojo, Method method)
{
super(pojo,method);
boolean foundConnection = false;
boolean foundStreaming = false;
if (paramTypes != null)
{
for (Class paramType : paramTypes)
{
if (Session.class.isAssignableFrom(paramType))
{
foundConnection = true;
}
if (Reader.class.isAssignableFrom(paramType) || InputStream.class.isAssignableFrom(paramType))
{
foundStreaming = true;
}
}
}
this.wantsSession = foundConnection;
this.streaming = foundStreaming;
}
public void call(Object obj, Session connection, Object... args)
{
if (wantsSession)
{
Object fullArgs[] = new Object[args.length + 1];
fullArgs[0] = connection;
System.arraycopy(args,0,fullArgs,1,args.length);
call(obj,fullArgs);
}
else
{
call(obj,args);
}
}
public boolean isSessionAware()
{
return wantsSession;
}
public boolean isStreaming()
{
return streaming;
}
@Override
public String toString()
{
return String.format("%s[%s]",this.getClass().getSimpleName(),method.toGenericString());
}
}