Java tutorial
//package com.java2s; /* * Qizx/open 4.1 * * This code is the open-source version of Qizx. * Copyright (C) 2004-2009 Axyana Software -- All rights reserved. * * The contents of this file are subject to the Mozilla Public License * Version 1.1 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Initial Developer of the Original Code is Xavier Franc - Axyana Software. * */ public class Main { public static String normalizePI(String contents) { if (contents == null || contents.indexOf("?>") >= 0) return null; int i = 0, len = contents.length(); for (; i < len; i++) if (!Character.isWhitespace(contents.charAt(i))) break; return (i == 0) ? contents : contents.substring(i); } }