perform.java

j2me手机制作

package com.talkweb.micp.icpl.business;

import java.io.*;
import java.util.*;

import com.talkweb.micp.icpl.systool.*;
import org.kxml.kdom.Element;
import javax.microedition.lcdui.Display;
import com.talkweb.micp.icsp.parse.PackageParse;

public class Perform {
    private Display _display = null;
    private ProgressUI _progress = null;
    private Hashtable[] smilData = null ;

    public Perform(Display display){
        _display = display;
        _progress = new ProgressUI("联网等待");
        _progress.init();
        _display.setCurrent(_progress);

    }

    /**
     * 根据类型和ID得到解析后的数据
     * @param sType String 类型（0表根目录，1表故事，其他表场景）
     * @param sId String 所对应资源的src
     * @throws Exception 例外
     * @return Hashtable 解析后的数据
     */
    public Hashtable getParseCartoomData(String sType , String sId) throws Exception {
        Hashtable parsedCartoomData = new Hashtable(3); // 解析完的数据
        if (sType.equals("0") || sType.equals("1")){  // 如果是目录
            try{
                parsedCartoomData.put("LABEL", new Hashtable());
                parsedCartoomData.put("REGION", new Vector());
                parsedCartoomData.put("SELECT", getCartoomDirInfo(sType,sId));
            }catch (Exception ex){
                System.out.println(ex);
            }

        }else{          // 如果为关联场景
            getStream(sId);
            parsedCartoomData = PackageParse.getCartoomData(smilData,getRelationScene(sId)) ;

        }
        return parsedCartoomData ;
    }

    /**
     * 得到场景目录信息
     * @param sType String 类型
     * @param sId String id
     * @throws Exception 例外
     * @return Vector 目录信息
     */
    private Vector getCartoomDirInfo(String sType, String sId) throws Exception {
        Dictionary dic = new Dictionary("GetNodeInfo");
        dic.setValueByName("type", sType);
        dic.setValueByName("id", sId);
        ServiceDisp servDisp = new ServiceDisp(dic, Systool.conUrl);
        dic = servDisp.call();
        int len = dic.getCountByName("ret");
        Vector vt = new Vector(len);
        for (int x = 0; x < len; ++x) {
            Hashtable hsEle = (Hashtable)dic.getValueByName("ret", x) ;

            String[] strDir = new String[4] ;
            strDir[0] = hsEle.get("RETID").toString();
            strDir[1] = hsEle.get("RETNAME").toString();
            strDir[2] = hsEle.get("RETTYPE").toString();
            strDir[3] = hsEle.get("FIRSTPIC").toString();

            vt.addElement(strDir);
        }
        dic.destory();
        dic = null;
        return vt;
    }

    /**
     * 得到资源数据流
     * @param sId String 资源src
     * @throws Exception 例外
     */
    private void getStream(String sId) throws
            Exception {
        getStream(sId,this._progress);
    }

    /**
     * 得到资源数据流
     * @param sId String 资源src
     * @param progress ProgressUI
     * @throws Exception 例外
     */
    private void getStream(String sId, ProgressUI progress) throws
            Exception {
        String sData = "SCENEID=" + sId.trim();
        Hashtable ht = Systool.getInStream(Systool.binUrl, sData);
        InputStream is = (InputStream) ht.get("stream");
        smilData = Systool.decodeStream(is, progress,
                                                 ((Integer) ht.get("length")).
                                                 intValue());
        is.close();
        is = null;
        ht = null;
    }

    /**
     * 得到相关联的场景
     * @param id String 资源src
     * @throws Exception 例外
     * @return Vector 相关联的场景
     */
    private Vector getRelationScene(String id) throws Exception {
        KXmlTool kt = new KXmlTool(getXMLData(id));
        Vector vt = kt.getAllElementByName("OPTION");
        Vector vecReturn = new Vector();
        for (int i = 0; i < vt.size(); ++i) {
            String[] strDir = new String[4] ;

            Element ele = (Element) vt.elementAt(i);
            Hashtable htAttr = kt.getElementAttr(ele);
            strDir[0] = htAttr.get("id").toString();
            strDir[1] = htAttr.get("text").toString();

            vecReturn.addElement(strDir);

        }

        return vecReturn;
    }

    /**
     * 得到SELECT数据
     * @param id String 资源src
     * @throws Exception 例外
     * @return byte[] select位数据
     */
    private byte[] getXMLData(String id) throws
            Exception {
        for (int data = 0; data < smilData.length; data++) {
            Hashtable dataEle = smilData[data];
            String type = (String) dataEle.get("TYPE"); // 数据的类型

            if (type.equals("XML")) {
                return (byte[]) dataEle.get("STREAM_BYTE") ;
            }
        }
        return null ;
    }

}