direntry.java

一个JAVA做的FTP软件,带源码的,可以很好的进行二次开发,,并带有详细说明文件的

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package net.sf.jftp.gui;

import net.sf.jftp.config.Settings;
import net.sf.jftp.gui.framework.*;
import net.sf.jftp.net.*;
import net.sf.jftp.util.*;

import java.awt.*;
import java.awt.event.*;

import java.io.*;

import java.util.*;
import java.text.*;

import javax.swing.JLabel;


public class DirEntry
{
    // to check file permissions
    public static final int R = FtpConnection.R;
    public static final int W = FtpConnection.W;
    public static final int DENIED = FtpConnection.DENIED;
    static Hashtable extensionMap = new Hashtable();
    final static Object[] extensions = 
                                       {
                                           new String[]
                                           {
                                               Settings.textFileImage, ".txt",
                                               ".doc", ".rtf"
                                           },
                                           new String[]
                                           {
                                               Settings.htmlFileImage, ".htm",
                                               ".html"
                                           },
                                           new String[]
                                           {
                                               Settings.zipFileImage, ".arj",
                                               ".bz", ".bz2", ".deb", ".jar",
                                               ".gz", ".rav", ".rpm", ".tar",
                                               ".tgz", ".zip", ".z", ".iso"
                                           },
                                           new String[]
                                           {
                                               Settings.imageFileImage, "bmp",
                                               ".gif", ".jpg", ".png", ".xbm",
                                               ".xpm"
                                           },
                                           new String[]
                                           {
                                               Settings.codeFileImage, ".c",
                                               ".cc", ".h", ".java"
                                           },
                                           new String[]
                                           {
                                               Settings.audioFileImage, ".au",
                                               ".mid", ".midi", ".mp3", ".wav"
                                           },
                                           new String[]
                                           {
                                               Settings.execFileImage, ".bat",
                                               ".csh", ".cgi", ".com", ".class",
                                               ".cmd", ".csh", ".dtksh", ".exe",
                                               ".ksh", ".pdksh", ".pl", ".sh",
                                               ".tcl", ".tksh", ".zsh"
                                           },
                                           new String[]
                                           {
                                               Settings.presentationFileImage,
                                               ".ppt"
                                           },
                                           new String[]
                                           {
                                               Settings.spreadsheetFileImage,
                                               ".xls"
                                           },
                                           new String[]
                                           {
                                               Settings.videoFileImage, ".asf",
                                               ".avi", ".mpg", "mpeg", ".wmf"
                                           }
                                       };

    static
    {
        for(int i = 0; i < extensions.length; i++)
        {
            String[] temp = (String[]) extensions[i];

            for(int j = 1; j < temp.length; j++)
            {
                extensionMap.put(temp[j], temp[0]);
            }
        }
    }

    public String file = "";
    private JLabel c = new JLabel();
    public boolean selected = false;
    public ActionListener who = null;
    private boolean entered = false;
    private Image img;
    public boolean isFile = true;
    private boolean isDirectory = false;
    private long size = 0;
    private boolean isLink = false;
    private int accessible = -1;
    private boolean noRender = false;
    public Date date = null;

    public DirEntry(String file, ActionListener who)
    {
        this.file = file;
        this.who = who;
        setFile();
    }

    public void setFile()
    {
        String f = file;

        if((f.indexOf("<") >= 0) && (f.indexOf(">") >= 0))
        {
            f = file.substring(file.indexOf("<") + 1);
            f = f.substring(0, f.lastIndexOf(">"));
        }

        int lastIndex = f.lastIndexOf(".");
        String image = Settings.fileImage; // default

        if(lastIndex != -1)
        {
            String ext = f.substring(lastIndex);
            String tmp = (String) extensionMap.get(ext.toLowerCase());

            if(tmp != null) // we found an extension, let's use it's image
            {
                image = tmp;
            }
        }

        // else use the default
        img = HImage.getImage(c, image);

        if(img == null)
        {
            img = HImage.getImage(c, Settings.fileImage);
        }

        isFile = true;
        isDirectory = false;
    }

    public void setDirectory()
    {
        img = HImage.getImage(c, Settings.dirImage);
        isFile = false;
        isDirectory = true;
    }

    public void setNoRender()
    {
        noRender = true;
    }

    public boolean getNoRender()
    {
        return noRender;
    }

    public void setPermission(int what)
    {
        accessible = what;
    }

    public int getPermission()
    {
        return accessible;
    }

    public void setSelected(boolean state)
    {
        selected = state;
    }

    public boolean isDirectory()
    {
        return isDirectory;
    }

    public boolean isFile()
    {
        return isFile;
    }

    public boolean isSelected()
    {
        return selected;
    }

    public String toString()
    {
        return file;
    }

    public Image getImage()
    {
        return img;
    }
    
    public void setDate(Date d)
    {
    	date = d;
    }

    public String getDate()
    {
    	if(date == null) return "";
	
	DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT);
	return df.format(date);
    }
    
    public void setFileSize(long s)
    {
        size = s;
    }

    public String getFileSize()
    {
        if(isDirectory() || (size < 0))
        {
            return "          ";
        }

        long rsize = size;

        String type = "bs";

        if(rsize > 1024)
        {
            rsize = rsize / 1024;
            type = "kb";
        }

        if(rsize > 1024)
        {
            rsize = rsize / 1024;
            type = "mb";
        }

        if(rsize > 1024)
        {
            rsize = rsize / 1024;
            type = "gb";
        }

        String x = Long.toString(rsize);

        while(x.length() < 4)
        {
            x = " " + x;
        }

        return x + " " + type + " > ";
    }

    public long getRawSize()
    {
        return size;
    }

    public void setLink()
    {
        img = HImage.getImage(c, Settings.linkImage);
        file = file.substring(0, file.lastIndexOf("###"));
        isLink = true;
    }

    public boolean isLink()
    {
        return isLink;
    }
}