managerdata.java

本程序在Unix_Linux环境下用Java语言编写的文件下载程序

package loader.data;

import javax.swing.table.*;
import java.util.*;

/**
 *
 * @author juddy
 */
public class ManagerData extends AbstractTableModel{
    
    private ArrayList<String> url;      //column 0
    private ArrayList<String> location; //column 1
    private ArrayList<ProgressData> prosd;//column 2
    
    public ManagerData(){
        url = new ArrayList<String>();
        location = new ArrayList<String>();
        prosd = new ArrayList<ProgressData>();
    }
    
    public void register( String url, String location, ProgressData data ){
        this.url.add( url );
        this.location.add( location );
        this.prosd.add( data );
        
        fireTableRowsInserted( this.url.size()-1, this.url.size()-1 );
    }
    
    public void addValue( String url, int value ){
        int i = this.url.indexOf( url );
        this.prosd.get( i ).setCurrentLength( value );
        
        fireTableCellUpdated( i, 2 );
    }
    
    public void removeItem( String url ){
        int i = this.url.indexOf( url );
        this.location.remove( i );
        this.prosd.remove( i );
        this.url.remove( i );
        
        fireTableRowsDeleted( i, i );
    }
    
    public int getColumnCount(){
        return 3;
    }
    
    public int getRowCount(){
        return url.size();
    }
    
    public Object getValueAt( int row, int col ){
        switch( col ){
            case 0:
                return url.get( row );
            case 1:
                return location.get( row );
            case 2:
                return prosd.get( row );
        }
        return null;
    }
    
    public Class getColumnClass( int col ){
       if( col == 0 || col == 1 ){
           return String.class;
       } else {
           return ProgressData.class;
       }
    }
    
    public boolean isCellEditable( int row, int col ){
        return false;
    }
    
    public String getColumnName( int col ){
        if( col == 0 ){
            return "URL";
        } else if( col == 1 ){
            return "LOCATION";
        } else {
            return "PROGRESS";
        }
    }
}