Java tutorial
//package com.java2s; /* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 2008 jOpenDocument, by ILM Informatique. All rights reserved. * * The contents of this file are subject to the terms of the GNU * General Public License Version 3 only ("GPL"). * You may not use this file except in compliance with the License. * You can obtain a copy of the License at http://www.gnu.org/licenses/gpl-3.0.html * See the License for the specific language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each file. * */ public class Main { /** * Compute the namespace prefix of a qualified name. NOTE : this also works if qName is a path, * eg "./office:body/office:text". * * @param qName a qualified name, eg "office:text". * @return the prefix or <code>null</code> if there's none, eg "office". */ public final static String namespace(String qName) { qName = basename(qName); final int colonIndex = qName.lastIndexOf(':'); if (colonIndex < 0) return null; else return qName.substring(0, colonIndex); } /** * Compute the name of the last part of the path. * * @param path the path, eg "./elem" or "elem". * @return the name, eg "elem". */ public final static String basename(String path) { return path.substring(path.lastIndexOf('/') + 1); } }