javax.net.websocket.extensions.Frame Maven / Gradle / Ivy
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//
// ========================================================================
// Copyright (c) 1995-2012 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 javax.net.websocket.extensions;
import javax.net.websocket.CloseReason;
/**
* Frame is the top level interface that represents some kind of web socket
* frame.
*
* @since DRAFT 003
*/
public interface Frame {
/**
* Super type for all the websocket control frames.
*/
public static interface Control extends Frame {
/**
* A web socket Close frame.
*/
public static interface Close extends Frame.Control {
/**
* The close code for this close.
*/
abstract CloseReason.CloseCode getCloseCode();
/**
* The reason phrase for this close.
*/
abstract String getReasonPhrase();
}
/**
* A web socket Ping frame.
*/
public static interface Ping extends Frame.Control {
/**
* The application data within the Ping frame.
*/
abstract byte[] getApplicationData();
}
/**
* A web socket Pong frame.
*/
public static interface Pong extends Frame.Control {
/**
* The application data within the Pong frame.
*/
abstract byte[] getApplicationData();
}
}
/**
* Common super-type for all the web socket frames that carry application
* data.
*/
public static interface Data extends Frame {
/**
* A binary data frame
*/
public static interface Binary extends Frame.Data {
/**
* A kind of binary frame that represents a fragment of a message in
* a series of such frames that, re-assembled, form a complete text
* message.
*/
public static interface Continuation extends Frame.Data.Binary {
/**
* Indicates whether this text message fragment is the last in
* the series or not.
*/
abstract boolean isLast();
}
/**
* The application data in the binary frame.
*/
abstract byte[] getData();
}
/**
* A text data frame.
*/
public static interface Text extends Frame.Data {
/**
* A kind of text frame that represents a fragment of a message in a
* series of such frames that, re-assembled, form a complete text
* message.
*/
public static interface Continuation extends Frame.Data.Text {
/**
* Indicates whether this text message fragment is the last in
* the series or not.
*/
abstract boolean isLast();
}
/**
* Return the textual data in this text frame.
*/
abstract String getText();
}
/**
* Return data used by a web socket extension in this frame.
*/
abstract byte[] getExtensionData();
}
}