fileextensionitem.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:   FileExtensionItem.java

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

import java.io.File;
import org.gudy.azureus2.core3.disk.DiskManagerFileInfo;
import org.gudy.azureus2.plugins.ui.tables.*;
import org.gudy.azureus2.ui.swt.views.table.utils.CoreTableColumn;

public class FileExtensionItem extends CoreTableColumn
	implements TableCellRefreshListener
{

	public FileExtensionItem()
	{
		super("fileext", 1, -1, 50, "Files");
		setMinWidthAuto(true);
	}

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

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

	private static String determineFileExt(DiskManagerFileInfo fileInfo)
	{
		String name = fileInfo != null ? fileInfo.getFile(true).getName() : "";
		int dot_position = name.lastIndexOf(".");
		if (dot_position == -1)
			return "";
		else
			return name.substring(dot_position + 1);
	}
}