buddygroup.java

J2me实现的MSN Messeger客户端程序。聊天、添加好友、删除好友、阻止好友

/*
 * @(#)BuddyGroup.java
 *
 * Copyright (c) 2001-2002, JangHo Hwang
 * 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. Neither the name of the JangHo Hwang 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 REGENTS 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.
 *
 *    $Id: BuddyGroup.java,v 2.0 2004/12/21 16:15:08 chenzs Exp $
 */
package vitular.msnp;

/**
 * 好友组
 * <p>Title: MSNP Lib</p>
 * <p>Description: Unija 版Msn协议</p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: Vitular</p>
 * @author ceze
 * @version 1.0
 */
public class BuddyGroup {
  public static final int FORWARD = 0x01;
  public static final int ALLOW = 0x02;
  public static final int BLOCK = 0x04;
  public static final int REVERSE = 0x08;

  private final BuddyList listForward;//所有好友的列表
  private final BuddyList listAllow; //允许的列表
  private final BuddyList listBlock; //阻止的列表
  private final BuddyList listReverse; //离线的列表
  private final GroupList groupList; //分组列表

  /**
   *
   */
  protected BuddyGroup() {
    listForward = new BuddyList("FL");
    listAllow = new BuddyList("AL");
    listBlock = new BuddyList("BL");
    listReverse = new BuddyList("RL");

    groupList = new GroupList();
  }

  /**
   *
   * @return GroupList
   */
  public GroupList getGroupList() {
    return this.groupList;
  }

  /**
   *
   * @return BuddyList
   */
  public BuddyList getForwardList() {
    return this.listForward;
  }

  /**
   *
   * @return BuddyList
   */
  public BuddyList getAllowList() {
    return this.listAllow;
  }

  /**
   *
   * @return BuddyList
   */
  public BuddyList getBlockList() {
    return this.listBlock;
  }

  /**
   *
   * @return BuddyList
   */
  public BuddyList getReverseList() {
    return this.listReverse;
  }
  /**
   *
   * @param id int
   * @return boolean
   */
  public boolean isListForward(int id) {
    if ( (id & FORWARD) == FORWARD)
      return true;
    return false;
  }

  /**
   *
   * @param id int
   * @return boolean
   */
  public boolean isListAllow(int id) {
    if ( (id & ALLOW) == ALLOW)
      return true;
    return false;
  }

  /**
   *
   * @param id int
   * @return boolean
   */
  public boolean isListBlock(int id) {
    if ( (id & BLOCK) == BLOCK)
      return true;
    return false;
  }
  /**
   *
   * @param id int
   * @return boolean
   */
  public boolean isListReverse(int id) {
    if ( (id & REVERSE) == REVERSE)
      return true;
    return false;
  }

  /**
   *
   * @param code String
   * @return BuddyList
   */
  public BuddyList getListAsCode(String code) {
    if (code.equals("FL"))
      return listForward;
    else
    if (code.equals("AL"))
      return listAllow;
    else
    if (code.equals("BL"))
      return listBlock;
    else
    if (code.equals("RL"))
      return listReverse;
    return null;
  }

  public void clear() {
    this.listAllow.clear();
    this.listBlock.clear();
    this.listForward.clear();
    this.listReverse.clear();
  }

  public static BuddyGroup getInstance() {
    return new BuddyGroup();
  }
}