pipeserviceinterface.java

jxme的一些相关程序,主要是手机上程序开发以及手机和计算机通信的一些程序资料,程序编译需要Ant支持

/*
 * $Id: PipeServiceInterface.java,v 1.3 2002/05/03 20:26:21 bondolo Exp $
 *
 * Copyright (c) 2001 Sun Microsystems, 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:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. 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.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *       Sun Microsystems, Inc. for Project JXTA."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA"
 *    must not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact Project JXTA at http://www.jxta.org.
 *
 * 5. Products derived from this software may not be called "JXTA",
 *    nor may "JXTA" appear in their name, without prior written
 *    permission of Sun.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 SUN MICROSYSTEMS OR
 * ITS 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.
 *
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Project JXTA.  For more
 * information on Project JXTA, please see
 * <http://www.jxta.org/>.
 *
 * This license is based on the BSD license adopted by the Apache Foundation.
 */

package net.jxta.impl.pipe;

import java.io.IOException;
import java.util.Enumeration;

import net.jxta.endpoint.Message;
import net.jxta.protocol.PipeAdvertisement;
import net.jxta.peergroup.PeerGroup;
import net.jxta.document.Advertisement;
import net.jxta.id.ID;
import net.jxta.pipe.PipeService;
import net.jxta.pipe.InputPipe;
import net.jxta.pipe.OutputPipe;
import net.jxta.pipe.PipeMsgListener;
import net.jxta.pipe.OutputPipeListener;
import net.jxta.service.Service;




/**
 * This class implements the NetPipe interface.
 */

public class PipeServiceInterface implements PipeService {

  PipeServiceImpl impl;

    /**
     * The only authorized constructor.
     */
  public PipeServiceInterface(PipeServiceImpl theRealThing) {
      impl = theRealThing;
  }

    /**
     * returns an interface object that permits to use this
     * service without having access to the real object.
     *
     * Since THIS is already such an object, it returns itself.
     * FIXME: it is kind of absurd to have this method part of the
     * interface but we do not want to define two levels of Service interface
     * just for that.
     * @return ResolverService An interface object that implements
     * this service and nothing more.
     */
  public Service getInterface() {
	return this;
  }

    /**
     * Returns the advertisment for that service.
     *
     * @return Advertisement the advertisement.
     *
     * @version $Revision: 1.3 $
     * @since JXTA 1.0
     */
    public Advertisement getImplAdvertisement() {
        return impl.getImplAdvertisement();
    }

    /**
     *  Initialize the application
     *  FIXME: This is meaningless for the interface object;
     * it is there only to satisfy the requirements of the
     * interface that we implement. Ultimately, the API should define
     * two levels of interfaces: one for the real service implementation
     * and one for the interface object. Right now it feels a bit heavy
     * to so that since the only different between the two would be
     * init() and may-be getName().
     * @param g PeerGroup this application is started from
     * @since   JXTA 1.0
     */

    public void init(PeerGroup pg, ID assignedID, Advertisement impl) {
    }


    /**
     * This is here for temporary class hierarchy reasons.
     * it is ALWAYS ignored. By definition, the interface object
     * protects the real object's start/stop methods from being called
     *
     * @param arg A table of strings arguments.
     * @return int status indication.
     */
    public int startApp(String[] arg) {
        return 0;
    }

    /**
     * This is here for temporary class hierarchy reasons.
     * it is ALWAYS ignored. By definition, the interface object
     * protects the real object's start/stop methods from being called
     *
     * This request is currently ignored.
     */
    public void stopApp() {
    }

  /**
   * create an InputPipe from a pipe Advertisement
   *
   * @param adv is the advertisement of the PipeServiceImpl.
   * @return InputPipe InputPipe object created
   *
   * @exception IOException error creating input pipe
   *
   * @since JXTA 1.0
   */
  public InputPipe createInputPipe (PipeAdvertisement adv)
                   throws IOException {
      return impl.createInputPipe(adv);
  }

  /**
   * create an InputPipe from a pipe Advertisement
   *
   * @param adv is the advertisement of the PipeServiceImpl.
   * @param listener PipeMsgListener to receive msgs.
   * @return InputPipe InputPipe object created
   *
   * @exception IOException error creating input pipe
   *
   * @since JXTA 1.0
   */
  public InputPipe createInputPipe (PipeAdvertisement adv, PipeMsgListener listener)
                   throws IOException {
      return impl.createInputPipe(adv, listener );
  }

    /**
     * registers a listener for a NetPipe.
     *
     *  @depreacated int type is ignored. type is recovered from peer adv.
     *  
     **/
  public OutputPipe createOutputPipe (PipeAdvertisement pipeAdv,
              int type,
				      long timeout)
                   throws IOException {

      return impl.createOutputPipe(pipeAdv, timeout);
  }

  public OutputPipe createOutputPipe (PipeAdvertisement pipeAdv,
				      long timeout)
                   throws IOException {

      return impl.createOutputPipe(pipeAdv, timeout);
  }


    /**
     * registers a listener for a NetPipe.
     *  
   *  @depreacated int type is ignored. type is recovered from peer adv.
     *
     * @param adv is the public advertisement of the destination NetPipe.
     * @param listener to be called back when a pipe is resolved
     * @exception IOException error creating a listener for the type of output pipe
     */
    public void createOutputPipe(PipeAdvertisement pipeAdv, int type,
      OutputPipeListener listener)
      throws IOException {

        impl.createOutputPipe(pipeAdv, type, listener);
    }

    public void createOutputPipe(PipeAdvertisement pipeAdv, OutputPipeListener listener)
      throws IOException {

        impl.createOutputPipe(pipeAdv, listener);
    }

  /**
   * create an OutputPipe from the pipe Advertisement giving a PeerId(s) where
   * the corresponding InputPipe is supposed to be.
   *
   *  @depreacated int type is ignored. type is recovered from peer adv.
   *
   * @param adv is the advertisement of the NetPipe.
   * @param type is an int and contains the name of the diffusion mode for
   * this OutputPipe.
   * @param peers is an enumeration of the PeerId of thepeers where to look for the
   * corresponding Pipes
   * @param timeout the number of milliseconds to wait for pipe creation
   * @return OuputPipe
   * @throws IOException if none of the peers in the enumeration has the corresponding
   * OutputPipe
   */

  public OutputPipe    createOutputPipe (PipeAdvertisement adv,
					 int type,
					 Enumeration peers,
					 long timeout)
      throws IOException
  {
      return impl.createOutputPipe(adv, peers, timeout);
  }

  public OutputPipe    createOutputPipe (PipeAdvertisement adv,
					 Enumeration peers,
					 long timeout)
      throws IOException
  {
      return impl.createOutputPipe(adv,  peers, timeout);
  }

  /**
   * Creates a new Message
   *
   * @return Message returns a newly allocated Message.
   */
  public Message createMessage() {
      return impl.createMessage();
  }

  /**
   *  @deprecated was never implemented.
   **/
  public void addAddresses (PipeAdvertisement adv, Enumeration addrs) {
  }

    /**
     *  remove a Output pipe listener
     *  @param  OutputPipeListener listener to remove
     *  @return OutputPipeListener the value to which the key had been
     *  mapped in this hashtable, or null if the key did not have a mapping.     *
     */

    public OutputPipeListener removeOutputPipeListener (String pipeID, OutputPipeListener listener){
      return( impl.removeOutputPipeListener(pipeID, listener) );
    }

}