shortuserinforequest.java

一个类似QQ的在线通讯聊天软件原码,适合初学者参考学习。

package openicq.net;

import JOscarLib.*;
import JOscarLib.Core.OscarConnection;
import JOscarLib.Request.Event.RequestAnswerEvent;
import JOscarLib.Request.Event.RequestListener;

/**
 * The <code>ShortUserInfoRequest</code> class requests short user info from
 * the ICQ server.
 * @author Hansgeorg Schwibbe
 * @copyright 2004
 */
public abstract class ShortUserInfoRequest implements RequestListener
{
  private StringBuffer[] infoBuff;

  private String searchID;

  private int auth;

  /**
   * Initializes a new instance of the class <code>ShortUserInfoRequest</code>.
   * @param connection the connection to the ICQ server
   * @param ownID your own user ID
   * @param searchID the user ID of the user from which the short user info will
   *        be requested
   */
  public ShortUserInfoRequest(OscarConnection connection, int ownID,
                              int searchID)
  {
    this.searchID = String.valueOf(searchID);
    // The data
    RawData reqSearchID = new RawData(searchID, RawData.DWORD_LENGHT);
    reqSearchID.invertIndianness();
    RawData reqSubType = new RawData(0xBA04, RawData.WORD_LENGHT);
    RawData reqSeqNum = new RawData(0x0200, RawData.WORD_LENGHT);
    RawData reqDataType = new RawData(0xD007, RawData.WORD_LENGHT);
    RawData reqOwnerID = new RawData(ownID, RawData.DWORD_LENGHT);
    reqOwnerID.invertIndianness();
    int chunkSize = reqOwnerID.getForcedLenght()
                    + reqDataType.getForcedLenght()
                    + reqSeqNum.getForcedLenght()
                    + reqSubType.getForcedLenght()
                    + reqSearchID.getForcedLenght();
    RawData reqChunkSize = new RawData(chunkSize, RawData.WORD_LENGHT);
    reqChunkSize.invertIndianness();
    // The TLV
    Tlv requestTlv = new Tlv(reqChunkSize, 0x01);
    requestTlv.appendRawDataToTlv(reqOwnerID);
    requestTlv.appendRawDataToTlv(reqDataType);
    requestTlv.appendRawDataToTlv(reqSeqNum);
    requestTlv.appendRawDataToTlv(reqSubType);
    requestTlv.appendRawDataToTlv(reqSearchID);
    // The Snac
    Snac requestSnac = new Snac(0x15, 0x02, 0x00, 0x00, ownID);
    requestSnac.addTlvToSnac(requestTlv);
    // The Flap
    Flap requestFlap = new Flap(0x02, requestSnac);
    connection.sendMonitoredFlap(requestFlap, this);
  }

  /**
   * Prototype to process the received short user info.
   * @param shortInfo the received short user info
   */
  public abstract void onResponse(ShortUserInfo shortInfo);

  /**
   * Sets the received short user info and runs the <code>onResponse()</code>
   * method.
   * @param e answer event
   */
  public void onRequestAnswer(RequestAnswerEvent e)
  {
    Flap flap = e.getRequestAnswerPacket();
    byte[] data;
    int end, index;
    final int success;
    if (flap.getChannelId() != 0x02)
    {
      System.err.println("FLAP channel = "
                         + String.valueOf(flap.getChannelId()));
      success = -1;
      return;
    }
    else if (flap.getSnac().getFamilyId() != 0x15
             || flap.getSnac().getSubTypeId() != 0x03)
    {
      System.err.println("SNAC family = "
                         + String.valueOf(flap.getSnac().getFamilyId())
                         + ", SNAC subtype = "
                         + String.valueOf(flap.getSnac().getSubTypeId()));
      success = -1;
      return;
    }
    else
    {
      success = flap.getSnac().getDataFieldByteArray()[16];
    }

    infoBuff = new StringBuffer[4];
    // Save the short user info
    if (success == Flag.SUCCESS)
    {
      data = flap.getSnac().getDataFieldByteArray();
      index = 16;
      for (int i = 0; i < infoBuff.length; i++)
      {
        index += 3;
        end = index + data[index - 1] * 10 + data[index - 2] - 1;
        infoBuff[i] = new StringBuffer(end - index);
        while (index < end)
        {
          infoBuff[i].append((char) data[index]);
          index++;
        }
      }
      auth = data[data.length - 5];
    }
    else
    {
      for (int i = 0; i < infoBuff.length; i++)
      {
        infoBuff[i] = new StringBuffer();
      }
      auth = -1;
    }
    this.onResponse(new ShortUserInfo()
    {
      public int getAuthFlag()
      {
        return auth;
      }

      public String getEmail()
      {
        return infoBuff[3].toString();
      }

      public String getFirstName()
      {
        return infoBuff[1].toString();
      }

      public String getLastName()
      {
        return infoBuff[2].toString();
      }

      public String getNickName()
      {
        return infoBuff[0].toString();
      }

      public int getSuccessByte()
      {
        return success;
      }

      public String getUserID()
      {
        return searchID;
      }

    });
  }
}