Android Open Source - SimplePushDemoApp Web Socket

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Back to project page SimplePushDemoApp.

License

The source code is released under:

GNU General Public License

Java Source Code

package org.java_websocket;
//from w  w  w  .j a v a2s.  com
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.NotYetConnectedException;

import org.java_websocket.drafts.Draft;
import org.java_websocket.framing.Framedata;
import org.java_websocket.framing.Framedata.Opcode;

public interface WebSocket {
  public enum Role {
    CLIENT, SERVER
  }

  public enum READYSTATE {
    NOT_YET_CONNECTED, CONNECTING, OPEN, CLOSING, CLOSED;
  }

  /**
   * The default port of WebSockets, as defined in the spec. If the nullary
   * constructor is used, DEFAULT_PORT will be the port the WebSocketServer
   * is binded to. Note that ports under 1024 usually require root permissions.
   */
  public static final int DEFAULT_PORT = 80;

  public static final int DEFAULT_WSS_PORT = 443;

  /**
   * sends the closing handshake.
   * may be send in response to an other handshake.
   */
  public void close( int code, String message );

  public void close( int code );

  /** Convenience function which behaves like close(CloseFrame.NORMAL) */
  public void close();

  /**
   * This will close the connection immediately without a proper close handshake.
   * The code and the message therefore won't be transfered over the wire also they will be forwarded to onClose/onWebsocketClose.
   **/
  public abstract void closeConnection( int code, String message );

  /**
   * Send Text data to the other end.
   * 
   * @throws IllegalArgumentException
   * @throws NotYetConnectedException
   */
  public abstract void send( String text ) throws NotYetConnectedException;

  /**
   * Send Binary data (plain bytes) to the other end.
   * 
   * @throws IllegalArgumentException
   * @throws NotYetConnectedException
   */
  public abstract void send( ByteBuffer bytes ) throws IllegalArgumentException , NotYetConnectedException;

  public abstract void send( byte[] bytes ) throws IllegalArgumentException , NotYetConnectedException;

  public abstract void sendFrame( Framedata framedata );

  /**
   * Allows to send continuous/fragmented frames conveniently. <br>
   * For more into on this frame type see http://tools.ietf.org/html/rfc6455#section-5.4<br>
   * 
   * If the first frame you send is also the last then it is not a fragmented frame and will received via onMessage instead of onFragmented even though it was send by this method.
   * 
   * @param op
   *            This is only important for the first frame in the sequence. Opcode.TEXT, Opcode.BINARY are allowed.
   * @param buffer
   *            The buffer which contains the payload. It may have no bytes remaining.
   * @param fin
   *            true means the current frame is the last in the sequence.
   **/
  public abstract void sendFragmentedFrame( Opcode op, ByteBuffer buffer, boolean fin );

  public abstract boolean hasBufferedData();

  /**
   * @returns never returns null
   */
  public abstract InetSocketAddress getRemoteSocketAddress();

  /**
   * @returns never returns null
   */
  public abstract InetSocketAddress getLocalSocketAddress();

  public abstract boolean isConnecting();

  public abstract boolean isOpen();

  public abstract boolean isClosing();

  /**
   * Returns true when no further frames may be submitted<br>
   * This happens before the socket connection is closed.
   */
  public abstract boolean isFlushAndClose();

  /** Returns whether the close handshake has been completed and the socket is closed. */
  public abstract boolean isClosed();

  public abstract Draft getDraft();

  /**
   * Retrieve the WebSocket 'readyState'.
   * This represents the state of the connection.
   * It returns a numerical value, as per W3C WebSockets specs.
   * 
   * @return Returns '0 = CONNECTING', '1 = OPEN', '2 = CLOSING' or '3 = CLOSED'
   */
  public abstract READYSTATE getReadyState();
  
  /**
   * Returns the HTTP Request-URI as defined by http://tools.ietf.org/html/rfc2616#section-5.1.2<br>
   * If the opening handshake has not yet happened it will return null.
   **/
  public abstract String getResourceDescriptor();
}

Java Source Code List

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