queryhandler.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

/*
 * 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.
 *
 * $Id: QueryHandler.java,v 1.12 2001/10/18 20:31:26 yaroslav Exp $
 */

package net.jxta.resolver;

import net.jxta.protocol.ResolverQueryMsg;
import net.jxta.protocol.ResolverResponseMsg;
import net.jxta.exception.*;
import java.io.*;

/**
 * Services that wish to act as a resolver handler must implement this interface
 *
 * @see net.jxta.resolver.ResolverService
 * @see net.jxta.resolver.GenericResolver 
 * @see net.jxta.resolver.ResolverService
 * @see net.jxta.protocol.ResolverQueryMsg
 * @see net.jxta.service.Service
 *
 * Tag  $Name: STABLE_07082002 $
 * @version $Revision: 1.12 $
 * @since JXTA 1.0
 */

public interface QueryHandler {
   
  /**
   * Process the resolver query, and generate response
   * @return GenericResolverMsg Response to the query
   * @param query ResolverQueryMsg query
   *
   * @exception NoResponseException is thrown when the resolver service
   * does not have an response and is not interested by the response.
   * @exception ResendQueryException is thrown when the resolver service
   * does not have a response, but is interested by the response. In that
   * case, the resolver service is responsible for forward the response
   * to the original peer that has issued the query.
   * @exception DiscardQueryException is thrown when the resolver service
   * has decided that the query should simply be ignored.
   * @exception IOException is thrown when the service resolver was not able to
   * process the query
   *
   * @version $Revision: 1.12 $
   * @since JXTA 1.0
   */

   public ResolverResponseMsg processQuery(ResolverQueryMsg query) 
    throws NoResponseException,
	   ResendQueryException,
	   DiscardQueryException,
	   IOException;

  /**
   * call back method, when messages are received by the ResolverService
   * it calls back this method to deal with received responses
   * @param response ResolverQueryMsg reponse
   *
   * @version $Revision: 1.12 $
   * @since JXTA 1.0
   */
  
  public void processResponse(ResolverResponseMsg response);
  
}