stringlist.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

/*
 * @(#)StringList.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: StringList.java,v 2.0 2004/12/21 16:15:08 chenzs Exp $
 */
package vitular.msnp.util;

/**
 * Vector贸锟斤拷 锟斤拷锟斤拷 锟斤拷锟斤拷锟斤拷, 锟斤拷锟诫拱锟斤拷 String锟教讹拷锟?f锟斤拷锟斤拷 锟街达拷.
 * 锟斤拷趴锟? Cast锟较绰碉拷 锟绞匡拷锟斤拷 锟斤拷锟? 锟斤拷锟斤拷 锟斤拷 锟街达拷.
 * 锟斤拷锟斤拷 锟斤拷锟节匡拷 锟绞憋拷 capacity锟斤拷 锟斤拷d锟斤拷锟斤拷 锟斤拷8锟斤拷
 * 锟斤拷锟斤拷锟斤拷 锟斤拷锟较帮拷 锟斤拷8锟轿斤拷, 锟芥阿锟斤拷; 锟斤拷8锟斤拷锟街达拷 努锟斤拷锟斤拷锟教达拷.
 * <p>
 * 锟斤拷锟斤拷 锟斤拷锟?锟睫家靛档 synchronized锟角撅拷 锟斤拷锟斤拷 锟斤拷8锟角凤拷,
 * b锟斤拷 锟接碉拷锟斤拷 synchronized 虐锟斤拷甯?锟斤拷锟斤拷锟?锟酵猴拷锟斤拷 4锟斤拷 锟斤拷锟?
 *
 * @version $Id: StringList.java,v 2.0 2004/12/21 16:15:08 chenzs Exp $
 * @author Jang-Ho Hwang, [e-mail]
 * 鍘婚櫎  implements java.io.Serializable, Cloneable  2004/5/27 ceze
 */
public class StringList {
  private String[] strings = null;
  private int elementCount;

  /**
   * capacity锟斤拷 4锟斤拷 StringList 锟斤拷眉锟斤拷 锟斤拷锟窖达拷.
   *
   * @param    capacity     Initial capacity锟斤拷 锟斤拷d锟窖达拷.
   */
  public StringList() {
    strings = new String[4];
  }

  /**
   * StringList 锟斤拷眉锟斤拷 锟斤拷锟窖达拷.
   *
   * @param    capacity     Initial capacity锟斤拷 锟斤拷d锟窖达拷.
   */
  public StringList(int capacity) {
    strings = new String[capacity];
  }

  private void ensureCapacity(int minCapacity) {
    int oldCapacity = strings.length;
    if (minCapacity > oldCapacity) {
      String[] oldData = strings;
      int newCapacity = oldCapacity * 2;
      if (newCapacity < minCapacity) {
        newCapacity = minCapacity;
      }
      strings = new String[newCapacity];
      System.arraycopy(oldData, 0, strings, 0, elementCount + 1 - 1);
    }
  }


  /**
   *
   * @return int
   */
  public int size() {
    return elementCount;
  }

  /**
   *
   * @param index int
   * @return String
   */
  public String get(int index) {
    return strings[index];
  }

  public int getInteger(int index) {
    return Integer.parseInt(strings[index]);
  }

  /*
   * getBoolean 琚