www.pudn.com > P2P file system.rar > LocalFileTable.java

package client; 
 
/** 
 * 
Title: P2P File System
 
 * 
 * 
Description: 
 
 * 
 * 
Copyright: Copyright (c) 2006
 
 * 
 * 
Company: Fudan University
 
 * 
 * @author Caihong 
 * @student_num 0261097 
 * @version 1.0 
 */ 
 
import java.io.File; 
import java.io.IOException; 
import java.net.InetAddress; 
import java.net.UnknownHostException; 
import java.util.Date; 
import java.util.Vector; 
 
import util.FileInformation; 
 
/** 
 * @author SpiritRain 
 * 
 */ 
public class LocalFileTable extends P2PFileTable { 
	private File directory; 
	private String localhost; 
	 
	/** 
	 *  
	 */ 
	public LocalFileTable() { 
		super(); 
		// TODO Auto-generated constructor stub 
		//¼ÓÈëheader 
		try { 
			setLocalhost(InetAddress.getLocalHost().getHostAddress()); 
		} catch (UnknownHostException e) { 
			// TODO Auto-generated catch block 
			setLocalhost("127.0.0.1"); 
			e.printStackTrace(); 
		} 
		 
		setHeaderVect(new String[] { "Name", "Size", "Type", "Time", "", "" }); 
		SortableTableModel dm = new SortableTableModel() { 
			public Class getColumnClass(int col) { 
				switch (col) { 
				case 1: 
					return Long.class; 
				case 3: 
					return Date.class; 
				default: 
					return String.class; 
				} 
				 
			} 
			 
		}; 
		this.setModel(dm); 
		setDirectory(new File(".")); 
	} 
	 
	public void refresh() { 
		setFileList(getFileList()); 
	} 
	 
	/** 
	 * get current file list 
	 *  
	 * */ 
	private Vector getFileList() { 
		File[] files = getDirectory().listFiles(); 
		Vector fileVect = new Vector(); 
		if (files == null) { 
			return null; 
		} 
		for (int i = 0; i < files.length; i++) { 
			FileInformation file = new FileInformation(this.getDir(), files[i].getName(), new Long(files[i] 
					                                                       .length()), files[i].isDirectory() ? "" : "file", 
					                                                    		   new Date(files[i].lastModified()), getLocalhost()); 
			 
			fileVect.add(file); 
		} 
		return fileVect; 
	} 
	 
	public String getDir() { 
		try { 
			return getDirectory().getCanonicalPath(); 
		} catch (IOException e) { 
			e.printStackTrace(); 
		} 
		return null; 
	} 
	 
	public void goToDir(String path) { 
		goToDir(new File(path)); 
	} 
	 
	public void goToDir(File file) { 
		setDirectory(file); 
		refresh(); 
	} 
	 
	 
	public void goToUpDir() { 
		if (getDirectory().getParentFile() != null) 
			setDirectory(getDirectory().getParentFile()); 
		refresh(); 
	} 
 
	public void selectDir(int row) { 
		FileInformation fileinfo = this.getFile(row); 
		goToDir(fileinfo.getFullPath()); 
	} 
 
	public boolean isDirectory(int row) { 
		FileInformation fileinfo = (FileInformation)this.getFile(row); 
		return fileinfo.getType().equals(""); 
	} 
 
	public void setLocalhost(String localhost) { 
		this.localhost = localhost; 
	} 
 
	public String getLocalhost() { 
		return localhost; 
	} 
 
	public void setDirectory(File directory) { 
		this.directory = directory; 
	} 
 
	public File getDirectory() { 
		try { 
			return directory.getCanonicalFile(); 
		} catch (IOException e) { 
			// TODO Auto-generated catch block 
			e.printStackTrace(); 
			return directory.getAbsoluteFile(); 
		} 
	} 
	 
}