code: /*
      arXiv mobile - a Free arXiv app for android
      http://code.google.com/p/arxiv-mobile/
  
      Copyright (C) 2010 Jack Deslippe
  
      This program 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 2 of the License, or
      (at your option) any later version.
  
      This program 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 this program; if not, write to the Free Software
      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  
   */
  
  package com.commonsware.android.arXiv;
  
  import org.xml.sax.Attributes;
  import org.xml.sax.SAXException;
  import org.xml.sax.helpers.DefaultHandler;
  
  /*
   * SAXParser implementation for arXiv authors API.
   * Based roughly on the SAXParser tutorial at the anddev forum -
   * http://www.anddev.org/parsing_xml_from_the_net_-_using_the_saxparser-t353.html
   * Assumed to be public domain.
   */
  
  public class XMLHandlerCreator extends DefaultHandler {
  
      // Fields
  
      private boolean in_a = false;
      public int numItems = 0;
      public String[] creators = new String[100];
  
      // Methods
  
      // Gets be called on the following structure: <tag>characters</tag>
      @Override
      public void characters(char ch[], int start, int length) {
          if (this.in_a) {
              if (numItems < 100) {
                  creators[numItems] += new String(ch, start, length);
              }
          }
      }
  
      @Override
      public void endDocument() throws SAXException {
          // Nothing to do
      }
  
      // Gets be called on closing tags like: </tag>
      @Override
      public void endElement(String namespaceURI, String localName, String qName)
              throws SAXException {
          if (localName.equals("a")) {
              this.in_a = false;
              numItems++;
          }
      }
  
      @Override
      public void startDocument() throws SAXException {
          // Nothing to do
      }
  
      // Gets be called on opening tags like: <tag>
      @Override
      public void startElement(String namespaceURI, String localName,
              String qName, Attributes atts) throws SAXException {
          if (localName.equals("a")) {
              this.in_a = true;
              creators[numItems] = "";
          }
      }
  
  }
  