org.eclipse.jetty.websocket.api.RemoteEndpoint Maven / Gradle / Ivy
//
// ========================================================================
// 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.api;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.concurrent.Future;
public interface RemoteEndpoint
{
/**
* Send a binary message, returning when all bytes of the message has been transmitted.
*
* Note: this is a blocking call
*
* @param data
* the message to be sent
*/
void sendBytes(ByteBuffer data) throws IOException;
/**
* Initiates the asynchronous transmission of a binary message. This method returns before the message is transmitted. Developers may provide a callback to
* be notified when the message has been transmitted, or may use the returned Future object to track progress of the transmission. Errors in transmission
* are given to the developer in the WriteResult object in either case.
*
* @param data
* the data being sent
* @param completion
* handler that will be notified of progress
* @return the Future object representing the send operation.
*/
Future sendBytesByFuture(ByteBuffer data);
/**
* Send a binary message in pieces, blocking until all of the message has been transmitted. The runtime reads the message in order. Non-final pieces are
* sent with isLast set to false. The final piece must be sent with isLast set to true.
*
* @param fragment
* the piece of the message being sent
*/
void sendPartialBytes(ByteBuffer fragment, boolean isLast) throws IOException;
/**
* Send a text message in pieces, blocking until all of the message has been transmitted. The runtime reads the message in order. Non-final pieces are sent
* with isLast set to false. The final piece must be sent with isLast set to true.
*
* @param fragment
* the piece of the message being sent
*/
void sendPartialString(String fragment, boolean isLast) throws IOException;
/**
* Send a Ping message containing the given application data to the remote endpoint. The corresponding Pong message may be picked up using the
* MessageHandler.Pong handler.
*
* @param applicationData
* the data to be carried in the ping request
*/
void sendPing(ByteBuffer applicationData) throws IOException;
/**
* Allows the developer to send an unsolicited Pong message containing the given application data in order to serve as a unidirectional heartbeat for the
* session.
*
* @param applicationData
* the application data to be carried in the pong response.
*/
void sendPong(ByteBuffer applicationData) throws IOException;
/**
* Send a text message, blocking until all bytes of the message has been transmitted.
*
* Note: this is a blocking call
*
* @param text
* the message to be sent
*/
void sendString(String text) throws IOException;
/**
* Initiates the asynchronous transmission of a text message. This method returns before the message is transmitted. Developers may provide a callback to be
* notified when the message has been transmitted, or may use the returned Future object to track progress of the transmission. Errors in transmission are
* given to the developer in the WriteResult object in either case.
*
* @param text
* the text being sent
* @param completion
* the handler which will be notified of progress
* @return the Future object representing the send operation.
*/
Future sendStringByFuture(String text);
}