I2PSnark-RPC/src/java/org/json/simple/ItemList.java

/*
 * $Id: ItemList.java,v 1.2 2009-03-15 22:12:18 parg Exp $
 * Created on 2006-3-24
 */
package org.json.simple;

import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;

/**
 * <20><><EFBFBD><EFBFBD><EFBFBD>÷ָ<C3B7><D6B8><EFBFBD><EFBFBD>ֿ<EFBFBD><D6BF><EFBFBD>һ<EFBFBD><D2BB>item.<2E>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>item.ÿ<><C3BF>item<65><6D><EFBFBD>߲<EFBFBD><DFB2><EFBFBD><EFBFBD>ǿհ׷<D5B0>.
 * <20><><EFBFBD>磺
 * |a:b:c| => |a|,|b|,|c|
 * |:| => ||,||
 * |a:| => |a|,||
 * @author FangYidong<fangyidong@yahoo.com.cn>
 */
public class ItemList {
	private final static String sp=",";
	List<String> items=new ArrayList<String>();
	
	
	public ItemList(){}
	
	/**
	 * 
	 * @param s <20>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	public ItemList(String s){
		this.split(s,sp,items);
	}
	/**
	 * 
	 * @param s <20>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param sp <20>ָ<EFBFBD><D6B8><EFBFBD>
	 */
	//public ItemList(String s,String sp){
	//	this.sp=s;
	//	this.split(s,sp,items);
	//}
	
	/**
	 * 
	 * @param s
	 * @param sp
	 * @param isMultiToken sp<73>Ƿ<EFBFBD>Ϊ<EFBFBD><CEAA>ָ<EFBFBD><D6B8><EFBFBD>
	 */
	public ItemList(String s,String sp,boolean isMultiToken){
		split(s,sp,items,isMultiToken);
	}
	
	public List<String> getItems(){
		return this.items;
	}
	
	public String[] getArray(){
		return (String[])this.items.toArray(new String[items.size()]);
	}
	
	public void split(String s,String sp,List<String> append,boolean isMultiToken){
		if(s==null || sp==null)
			return;
		if(isMultiToken){
			StringTokenizer tokens=new StringTokenizer(s,sp);
			while(tokens.hasMoreTokens()){
				append.add(tokens.nextToken().trim());
			}
		}
		else{
			this.split(s,sp,append);
		}
	}
	
	public void split(String s,String sp,List<String> append){
		if(s==null || sp==null)
			return;
		int pos=0;
		int prevPos=0;
		do{
			prevPos=pos;
			pos=s.indexOf(sp,pos);
			if(pos==-1)
				break;
			append.add(s.substring(prevPos,pos).trim());
			pos+=sp.length();
		}while(pos!=-1);
		append.add(s.substring(prevPos).trim());
	}
	
	/**
	 * <20><><EFBFBD>÷ָ<C3B7><D6B8><EFBFBD>.
	 * @param sp <20>ָ<EFBFBD><D6B8><EFBFBD>
	 */
	//public void setSP(String sp){
	//	this.sp=sp;
	//}
	
	/**
	 * <20><><EFBFBD>뵥<EFBFBD><EBB5A5>item.
	 * @param i <20><><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>(֮ǰ)
	 * @param item
	 */
	public void add(int i,String item){
		if(item==null)
			return;
		items.add(i,item.trim());
	}
	/**
	 * <20><><EFBFBD>뵥<EFBFBD><EBB5A5>item.
	 * @param item
	 */
	public void add(String item){
		if(item==null)
			return;
		items.add(item.trim());
	}
	
	/**
	 * <20><>һ<EFBFBD><D2BB>item.
	 * @param list <20><><EFBFBD><EFBFBD><EFBFBD>list
	 */
	public void addAll(ItemList list){
		items.addAll(list.items);
	}
	
	/**
	 * <20><>һ<EFBFBD><D2BB>item.
	 * @param s <20>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 */
	public void addAll(String s){
		this.split(s,sp,items);
	}
	
	/**
	 * <20><>һ<EFBFBD><D2BB>item.
	 * @param s <20>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	 * @param sp <20>ָ<EFBFBD><D6B8><EFBFBD>
	 */
	public void addAll(String s,String sp){
		this.split(s,sp,items);
	}
	
	public void addAll(String s,String sp,boolean isMultiToken){
		this.split(s,sp,items,isMultiToken);
	}
	
	/**
	 * <20><>õ<EFBFBD>i<EFBFBD><69>item. 0-based.
	 * @param i
	 * @return
	 */
	public String get(int i){
		return (String)items.get(i);
	}
	
	/**
	 * <20><><EFBFBD>item<65><6D>.
	 * @return
	 */
	public int size(){
		return items.size();
	}
	/**
	 * <20>÷ָ<C3B7><D6B8><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>ı<EFBFBD>ʾ.
	 */
	public String toString(){
		return toString(sp);
	}
	
	/**
	 * <20>÷ָ<C3B7><D6B8><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>ı<EFBFBD>ʾ.
	 * @param sp <20><><EFBFBD><EFBFBD>ø÷ָ<C3B7><D6B8><EFBFBD><EFBFBD>ָ<EFBFBD>.
	 * @return
	 */
	public String toString(String sp){
		StringBuilder sb=new StringBuilder();
		
		for(int i=0;i<items.size();i++){
			if(i==0)
				sb.append(items.get(i));
			else{
				sb.append(sp);
				sb.append(items.get(i));
			}
		}
		return sb.toString();

	}
	
	/**
	 * <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>item.
	 */
	public void clear(){
		items.clear();
	}
	
	/**
	 * <20><>λ.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD>Ĭ<EFBFBD><C4AC>ֵ.
	 */
	public void reset(){
		//sp=",";
		items.clear();
	}
}