wordsdb.java

英语背单词联网版本

/*
 * wordsDb.java
 *
 * Created on 2003年11月18日, 下午8:23
 */

package handenglish;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
import java.util.*;
import java.io.*;
/**
 *
 * @author  com
 * @version
 */
public class WordsDb {
    public Vector m_unitContent;
    public int m_wordId,nowUnitType;
    Midlet midlet;
    public WordsDb(Midlet midlet){
        this.midlet=midlet;
        m_wordId=0;
        nowUnitType=0;
        m_unitContent=new Vector();
        GetUnit(nowUnitType,m_unitContent);
    }
    public int getSize(){
        return m_unitContent.size()/3;
    }
    public void GetUnit(int nowUnitId ,Vector nowVector) {
        midlet.getUnit(1,nowUnitId,nowVector);
        /*try {
            InputStream tempDb = this.getClass().getResourceAsStream("words.dat");
            InputStream tempIndex = this.getClass().getResourceAsStream("index.dat");
            DataInputStream tempWordsDb=new DataInputStream(tempDb);
            DataInputStream tempWordsIndex=new DataInputStream(tempIndex);
            if ((tempWordsDb!=null)&&(tempWordsIndex!=null)) {
                int tempNum=0;
                tempWordsIndex.skip(nowUnitId*4*nowNup);
                int tempLong=tempWordsIndex.readInt();
                tempWordsDb.skip(tempLong);
                for(int i=0;i<nowNup;i++) {
                    String tempS;
                    tempS=tempWordsDb.readUTF();
                    nowVector.addElement(tempS);
                    tempS=tempWordsDb.readUTF();
                    nowVector.addElement(tempS);
                    tempS=tempWordsDb.readUTF();
                    nowVector.addElement(tempS);
                }
                tempDb.close();
                tempIndex.close();
            }
        }
        catch(Exception e) {
        }*/
    }
    public String getWord() {
        return (String)m_unitContent.elementAt(m_wordId*3);
    }
    public String getChinese(){
        return (String)m_unitContent.elementAt(m_wordId*3+2);
    }
    public int getUnitSize(){
        return m_unitContent.size()/3; 
    }
}