/*
 * 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;
/**
 * Display information of one's selected funds class<br>
 * <br>
 * First step, synchronize the newest fund's value from http://www.peaklau.com/fund/index.php .<br>
 *               The request format is like this: http://www.peaklau.com/fund/index.php?C0=162703&C1=110002.<br>  
 *               The response from http://www.peaklau.com/fund/index.php is in XML format.<br>
 * <I> <VERSION>1.0.7 </VERSION><br>
 *  <F><br>
 *            <C>162703 </C><br>
 *            <N>广发小盘成长股票基金 </N><br>
 *            <D>2007-04-30 </D><br>
 *            <V>21570 </V><br>
 *            <P>11347 </P><br>
 *  </F><br>
 *  <F><br>
 *        <C>110002 </C><br>
 *        <N>xxx基金 </N><br>
 *        <D>2007-04-30 </D><br>
 *        <V>35940 </V><br>
 *        <P>29504 </P><br>
 *  </F><br>
 *  </I><br>
 *  
 *  <br>
 * 
 * Second step, parse XML data and update local records.<br>
 * 
 * <br>
 * 
 * Finally, call setTxt() to show the data and the processing time.
 * <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 ValueScreen extends ScrollScreen {   
    public ValueScreen(String title,String txt,String backDisplayable,INavigator navigator){
        super(title,txt,backDisplayable,navigator);
    }
    
    protected void execute(){
        setTxt(DataCenter.getValueDesc());
        String requestString=DataCenter.getFundRequestString();       
        if((requestString==null)||(requestString.length()==0)) return;

        setStatus("正在同步...");
        HttpClient httpClient=navigator.getHttpClient();
        try{
            httpClient.httpGet("http://"+host+"/fund/index.php?"+requestString);            
            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);
            
           
            Enumeration listFundEnum = foo.enumerateChildren();            
            while (listFundEnum.hasMoreElements()) {
                kXMLElement fund= (kXMLElement)(listFundEnum.nextElement());
                if(fund.getTagName().equals("VERSION")){
                    navigator.setAppVersion(fund.getContents());
                    continue;
                }
                Enumeration list= fund.enumerateChildren();
                String code="000000";
                String name="未知";
                String date="未知";
                int value=0;
                int percent=0;
                while (list.hasMoreElements()) {
                    kXMLElement p= (kXMLElement)(list.nextElement());
                    if(p.getTagName().equals("C")){
                        code=p.getContents();
                    }else if(p.getTagName().equals("N")){
                        name=p.getContents();
                    }else if(p.getTagName().equals("D")){
                        date=p.getContents();
                    }else if(p.getTagName().equals("V")){
                        value=Integer.parseInt(p.getContents());
                    }else if(p.getTagName().equals("P")){
                        percent=Integer.parseInt(p.getContents());
                    }
                }
                
                DataCenter.updateRecord(code,name,date,value,percent);
            }            
            
            
        }catch(Exception e){
            setStatus("网络故障");           
            e.printStackTrace();
            return;
        }
        
        setTxt(DataCenter.getValueDesc());
        setStatus("同步完成时间 "+getCurrentTime());
    }
    
    
}