Here you can find the source of HTMLcheck(String doc)
public static boolean HTMLcheck(String doc)
//package com.java2s; /**// w ww .j a v a 2s . com * Datei: URIHelper.java * Paket: de.beimax.testel.util * Projekt: TestEl * * Copyright (C) 2008 Maximilian Kalus. All rights reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ public class Main { public static boolean HTMLcheck(String doc) { if (doc == null) return false; if (doc.substring(0, 5).equals("<html")) return true; if (doc.substring(0, 5).equals("<HTML")) return true; if (doc.substring(0, 14).equals("<!DOCTYPE HTML")) return true; return false; } }