tapes.java

音像管理软件

package mediasystem.mediadata;

import java.util.*;
import mediasystem.media.*;

public class Tapes {
  Vector TapeList = new  Vector();

  public boolean isExisted(String ISRC){
    for(int i = 0; i < TapeList.size(); i++){
      if(((MyTape)TapeList.get(i)).getISRC().compareTo(ISRC) == 0) {
        return true;
      }
    }
    return false;
  }

  public void addTape(String[] newTapeInfo) {
    MyTape newTape = new MyTape();
    newTape.setMediaName(newTapeInfo[0]);
    newTape.setPrice(Float.parseFloat(newTapeInfo[1]));
    newTape.setPress(newTapeInfo[2]);
    newTape.setArtist(newTapeInfo[3]);
    newTape.setISRC(newTapeInfo[4]);
    TapeList.add(newTape);
  }

  public LinkedList searchTape(String TapeName ,String artist) {
    LinkedList list = new LinkedList();
    for (int i = 0; i < TapeList.size(); i++) {
      MyTape index = (MyTape)TapeList.get(i);
      boolean compareResult1 = (index.getMediaName().compareTo(TapeName) == 0);
      if (TapeName.compareTo("") == 0)
        compareResult1 = true;
      boolean compareResult2 = (index.getArtist().compareTo(artist) == 0);
      if (artist.compareTo("") == 0)
        compareResult2 = true;

      if (compareResult1 && compareResult2) {
        list.add(index);
      }
    }
    return list;
  }

  public boolean delTape(String ISRC) {
     for(int i = 0; i < TapeList.size(); i++){
       MyTape index = (MyTape)TapeList.get(i);
       if(index.getISRC().compareTo(ISRC) == 0){
         TapeList.remove(i);
         return true;
       }
     }
     return false;
   }

}