/*
 * Copyright 1999,2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * Created on 2007-2-14
 *
 */
package peaklau.eaglefund;

import java.util.Enumeration;
import nanoxml.kXMLElement;
/**
 * Get the newest ZhongZheng100 and HuShen300 index value <br>
 * 
 * <br>
 * The request is the standard HTTP request, and the URL is http://www.peaklau.com/fund/stock.php.<br>
 * The response is in XML format.<br>
 * eg:<br>
 * <I><br>
 *   <S><N>沪深300</N><br>
 *   <L><D>05-08</D><V>368600</V></L><br>
 *   ...<br>
 *   </S><br>
 *   <S><N>中证100</N><br>
 *   <L><D>05-08</D><V>362900</V></L><br>
 *   ...<br>
 *   </S><br>
 * </I><br>
 * 
 * <br>
 * @author peaklau <br>
 *         email:<A HREF="mailto:peaklau@hotmail.com">peaklau@hotmail.com</A> <br>
 *         <a href="http://www.peaklau.com/fund/english/">HomePage</a> 
 * @version $Revision: 1.2 $ $Date: 2007/10/21 14:26:24 $
 */

public class StockScreen extends ScrollScreen {   
    private static int LIST_COUNT=30;
    public StockScreen(String title,String txt,String backDisplayable,INavigator navigator){
        super(title,txt,backDisplayable,navigator);
    }
    
    protected void execute(){        
        setStatus("正在同步...");       
        StringBuffer sb=new StringBuffer();
        HttpClient httpClient=navigator.getHttpClient();
        try{
            httpClient.httpGet("http://"+host+"/fund/stock.php");            
            byte[]buf=httpClient.getData();
            int size=httpClient.getSize();
            String xml=new String(buf,0,size,"UTF-8");
            
            kXMLElement foo = new kXMLElement();
            foo.parseString(xml, 0);
            //System.out.println("<" + foo.getTagName() + ">");
            Enumeration listIndexEnum = foo.enumerateChildren();
            
            
            while (listIndexEnum.hasMoreElements()) {
                kXMLElement index= (kXMLElement)(listIndexEnum.nextElement());
                Enumeration indexList= index.enumerateChildren();
                String name="";
                String []time=new String[LIST_COUNT];                    
                long []value=new long[LIST_COUNT];
                long []percent=new long[LIST_COUNT];
                int count=0;                
                while (indexList.hasMoreElements()) {
                    kXMLElement p= (kXMLElement)(indexList.nextElement());
                    if(p.getTagName().equals("N")){
                        name=p.getContents();
                    }else if(p.getTagName().equals("L")){
                        Enumeration attrs= p.enumerateChildren();
                        while (attrs.hasMoreElements()&&(count<LIST_COUNT)){
                            kXMLElement attr= (kXMLElement)(attrs.nextElement());                            
                            if(attr.getTagName().equals("D")){
                                time[count]=attr.getContents();
                            }else if(attr.getTagName().equals("V")){
                                value[count]=Integer.parseInt(attr.getContents());
                            }                            
                        }
                        count++;
                    }
                }
                               
                for(int i=0;i<LIST_COUNT-1;i++){                    
                    if(value[i+1]!=0){
                        percent[i]=(value[i]-value[i+1])*10000Lvalue[i+1];
                        //System.out.println(value[i]+" "+value[i+1]+" "+percent[i]);
                    }
                }
                
                
                sb.append(" \r\n"+name+"\r\n");
                for(int i=0;i<LIST_COUNT-1;i++){
                    if(percent[i]>=0){
                        sb.append("<00ff0000> "+time[i]+" "+(value[i]/100)+"  "+(percent[i]/100)+"."+DataCenter.getFormatInteger(percent[i]%100,2)+"%\r\n");
                    }else{
                        percent[i]=0-percent[i];
                        sb.append("<0000ff00> "+time[i]+" "+(value[i]/100)+" -"+(percent[i]/100)+"."+DataCenter.getFormatInteger(percent[i]%100,2)+"%\r\n");
                    }
                }
                
                sb.append("\r\n\r\n");
            }
            setTxt(sb.toString());
        }catch(Exception e){
            setStatus("网络故障");       
            e.printStackTrace();
            return;
        }
        setStatus("同步完成时间 "+getCurrentTime());  
    }
    
    
}