Java tutorial
//package com.java2s; /* * Copyright 2011, Asamm Software, s.r.o. * * This file is part of LocusAddonPublicLib. * * LocusAddonPublicLib 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 3 of the License, or * (at your option) any later version. * * LocusAddonPublicLib 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 LocusAddonPublicLib. If not, see <http://www.gnu.org/licenses/>. */ import java.io.File; public class Main { private static String getMimeType(File file) { String name = file.getName(); int index = name.lastIndexOf("."); if (index == -1) return "*/*"; return "application/" + name.substring(index + 1); } }