pathitem.java

java 文件下载器。可自定义

// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 
// Source File Name:   PathItem.java

package org.gudy.azureus2.ui.swt.views.tableitems.files;

import java.io.File;
import java.io.IOException;
import org.gudy.azureus2.core3.disk.DiskManagerFileInfo;
import org.gudy.azureus2.core3.download.DownloadManager;
import org.gudy.azureus2.core3.torrent.TOTorrent;
import org.gudy.azureus2.plugins.ui.tables.*;
import org.gudy.azureus2.ui.swt.views.FilesView;
import org.gudy.azureus2.ui.swt.views.table.utils.CoreTableColumn;

public class PathItem extends CoreTableColumn
	implements TableCellRefreshListener
{

	public PathItem()
	{
		super("path", 1, -2, 200, "Files");
	}

	public void fillTableColumnInfo(TableColumnInfo info)
	{
		info.addCategories(new String[] {
			"content"
		});
	}

	public void refresh(TableCell cell)
	{
		DiskManagerFileInfo fileInfo = (DiskManagerFileInfo)cell.getDataSource();
		cell.setText(determinePath(fileInfo));
	}

	private static String determinePath(DiskManagerFileInfo fileInfo)
	{
		if (fileInfo == null)
			return "";
		boolean has_link = fileInfo.getLink() != null;
		boolean show_full_path = FilesView.show_full_path;
		DownloadManager dm = fileInfo.getDownloadManager();
		File dl_save_path_file = dm.getAbsoluteSaveLocation();
		TOTorrent torrent = dm.getTorrent();
		if (torrent != null && torrent.isSimpleTorrent())
			dl_save_path_file = dl_save_path_file.getParentFile();
		String dl_save_path = dl_save_path_file.getPath();
		if (!dl_save_path.endsWith(File.separator))
			dl_save_path = (new StringBuilder()).append(dl_save_path).append(File.separator).toString();
		File file = fileInfo.getFile(true);
		if (has_link && !show_full_path)
			show_full_path = !file.getAbsolutePath().startsWith(dl_save_path);
		String path = "";
		if (show_full_path)
		{
			try
			{
				path = file.getParentFile().getCanonicalPath();
			}
			catch (IOException e)
			{
				path = file.getParentFile().getAbsolutePath();
			}
			if (!path.endsWith(File.separator))
				path = (new StringBuilder()).append(path).append(File.separator).toString();
		} else
		{
			path = file.getAbsolutePath().substring(dl_save_path.length());
			if (path.length() == 0)
			{
				path = File.separator;
			} else
			{
				if (path.charAt(0) == File.separatorChar)
					path = path.substring(1);
				int pos = path.lastIndexOf(File.separator);
				if (pos > 0)
					path = (new StringBuilder()).append(File.separator).append(path.substring(0, pos)).toString();
				else
					path = File.separator;
			}
		}
		return path;
	}
}