content: /*
   * Copyright (c) 2008-2009, Motorola, Inc.
   *
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * - Redistributions of source code must retain the above copyright notice,
   * this list of conditions and the following disclaimer.
   *
   * - Redistributions in binary form must reproduce the above copyright notice,
   * this list of conditions and the following disclaimer in the documentation
   * and/or other materials provided with the distribution.
   *
   * - Neither the name of the Motorola, Inc. nor the names of its contributors
   * may be used to endorse or promote products derived from this software
   * without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   */
  
  package javax.obex;
  
  import java.io.DataInputStream;
  import java.io.DataOutputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  
  /**
   * The <code>ObexTransport</code> interface defines the underlying transport
   * connection which carries the OBEX protocol( such as TCP, RFCOMM device file
   * exposed by Bluetooth or USB in kernel, RFCOMM socket emulated in Android
   * platform, Irda). This interface provides an abstract layer to be used by the
   * <code>ObexConnection</code>. Each kind of medium shall have its own
   * implementation to wrap and follow the same interface.
   * <P>
   * See section 1.2.2 of IrDA Object Exchange Protocol specification.
   * <P>
   * Different kind of medium may have different construction - for example, the
   * RFCOMM device file medium may be constructed from a file descriptor or simply
   * a string while the TCP medium usually from a socket.
   * @hide
   */
  public interface ObexTransport {
  
      void create() throws IOException;
  
      void listen() throws IOException;
  
      void close() throws IOException;
  
      void connect() throws IOException;
  
      void disconnect() throws IOException;
  
      InputStream openInputStream() throws IOException;
  
      OutputStream openOutputStream() throws IOException;
  
      DataInputStream openDataInputStream() throws IOException;
  
      DataOutputStream openDataOutputStream() throws IOException;
  
      /**
       * Must return the maximum allowed OBEX packet that can be sent over
       * the transport. For L2CAP this will be the Max SDU reported by the
       * peer device.
       * The returned value will be used to set the outgoing OBEX packet
       * size. Therefore this value shall not change.
       * For RFCOMM or other transport types where the OBEX packets size
       * is unrelated to the transport packet size, return -1;
       * @return the maximum allowed OBEX packet that can be send over
       *         the transport. Or -1 in case of don't care.
       */
      int getMaxTransmitPacketSize();
  
      /**
       * Must return the maximum allowed OBEX packet that can be received over
       * the transport. For L2CAP this will be the Max SDU configured for the
       * L2CAP channel.
       * The returned value will be used to validate the incoming packet size
       * values.
       * For RFCOMM or other transport types where the OBEX packets size
       * is unrelated to the transport packet size, return -1;
       * @return the maximum allowed OBEX packet that can be send over
       *         the transport. Or -1 in case of don't care.
       */
      int getMaxReceivePacketSize();
  
      /**
       * Shall return true if the transport in use supports SRM.
       * @return
       *        <code>true</code> if SRM operation is supported, and is to be enabled.
       *        <code>false</code> if SRM operations are not supported, or should not be used.
       */
      boolean isSrmSupported();
  
  
  }
  