XmlUtility.java |
/* PCS - A Framework For Java Web Applications Copyright (C) 2002 Patrick Carl, patrick.carl@web.de 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 2.1 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 $Id: XmlUtility.java,v 1.1.1.1 2002/12/27 23:49:48 pcs_org Exp $ */ package de.spieleck.pcs.util; /** * This class provides methods for easily accessing values in XML strings. It uses * no DOM or SAX, just string methods. So there is hopefully no useless overhead. * @author Patrick Carl */ public class XmlUtility { /** * returns the text within the first given occurrance of an XML element named * tag in the string named xmlSource. * @param tag the element which test is searched for * @param xmlSource the XML string used as source * @return a string containing the text of the first element named tag or null * if so such tag was found or it has no text. */ public static String extractXmlValue(String xmlSource, String tag) { String tagStart = "<" + tag + ">"; String tagEnd = "</" + tag + ">"; int start = xmlSource.indexOf(tagStart); int end = xmlSource.indexOf(tagEnd); String value = null; try{ value = xmlSource.substring(start + tagStart.length(), end); } catch(ArrayIndexOutOfBoundsException e) { System.out.println(xmlSource + ":" + start + ":" + end); } catch(StringIndexOutOfBoundsException e) { System.out.println(xmlSource + ":" + start + ":" + end); } return value; } }
XmlUtility.java |