package jdbcbook.shopping.util;

import org.apache.velocity.tools.struts.*;
import java.util.*;
import jdbcbook.shopping.bean.*;
import jdbcbook.pub.util.*;

/**
 * 擴(kuò)展MessageTool，實現(xiàn)基本選項的多語言配置
 */
public class MessageToolEx extends MessageTool
{
	// 缺省構(gòu)造函數(shù)
	public MessageToolEx()
	{
	}

	// 得到指定關(guān)鍵字的所有選項信息
	public Collection getNameValues( String key )
	{
		Vector vt = new Vector();
		String items = get( key );
		if( StringUtil.isEmptyString( items ) ) return vt;
		StringTokenizer st = new StringTokenizer( items, "," );
		while ( st.hasMoreTokens() ) 
		{
			String id = st.nextToken();
			String value = get( key + "_" + id );
			if( value!=null )
			{
				NameValueBean nvb = new NameValueBean( id, value );
				vt.add( nvb );
			}
		}
		return vt;
	}

	// 得到指定關(guān)鍵字的某個選項的顯示信息
	public String getValue( String key, int id )
	{
		return get( key + "_" + id );
	}
}