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//
// ========================================================================
// Copyright (c) 1995-2017 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.messages;
import java.io.IOException;
import java.nio.ByteBuffer;
import org.eclipse.jetty.util.BufferUtil;
import org.eclipse.jetty.websocket.common.message.MessageAppender;
import org.eclipse.jetty.websocket.jsr356.endpoints.JsrAnnotatedEventDriver;
/**
* Partial TEXT MessageAppender for @{@link OnMessage} annotated methods
*/
public class TextPartialOnMessage implements MessageAppender
{
private final JsrAnnotatedEventDriver driver;
private boolean finished;
public TextPartialOnMessage(JsrAnnotatedEventDriver driver)
{
this.driver = driver;
this.finished = false;
}
@Override
public void appendFrame(ByteBuffer payload, boolean isLast) throws IOException
{
if (finished)
{
throw new IOException("Cannot append to finished buffer");
}
if (payload == null)
{
driver.onPartialTextMessage("",isLast);
}
else
{
String text = BufferUtil.toUTF8String(payload);
driver.onPartialTextMessage(text,isLast);
}
}
@Override
public void messageComplete()
{
finished = true;
}
}