IsAlnumHandler.java

  1. /*
  2.  *
  3.  * The DbUnit Database Testing Framework
  4.  * Copyright (C)2002-2004, DbUnit.org
  5.  *
  6.  * This library is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Lesser General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2.1 of the License, or (at your option) any later version.
  10.  *
  11.  * This library is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public
  17.  * License along with this library; if not, write to the Free Software
  18.  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19.  *
  20.  */

  21. package org.dbunit.dataset.common.handlers;

  22. import org.slf4j.Logger;
  23. import org.slf4j.LoggerFactory;

  24. /**
  25.  * @author fede
  26.  * @author Last changed by: $Author$
  27.  * @version $Revision$ $Date$
  28.  * @since 2.2 (Sep 12, 2004)
  29.  */
  30. public class IsAlnumHandler extends AbstractPipelineComponent {

  31.     /**
  32.      * Logger for this class
  33.      */
  34.     private static final Logger logger = LoggerFactory.getLogger(IsAlnumHandler.class);

  35.     private IsAlnumHandler()
  36.     {
  37.     }

  38.     public static final PipelineComponent ACCEPT () {
  39.         logger.debug("ACCEPT() - start");
  40.         return createPipelineComponent(new IsAlnumHandler(), new ACCEPT());
  41.     }

  42.     public static final PipelineComponent IGNORE () {
  43.         logger.debug("IGNORE() - start");
  44.         return createPipelineComponent(new IsAlnumHandler(), new IGNORE());
  45.     }

  46.     public static final PipelineComponent QUOTE () {
  47.         logger.debug("QUOTE() - start");
  48.         return createPipelineComponent(new IsAlnumHandler(), new QUOTE());
  49.     }

  50. /*
  51.     public static final PipelineComponent UNQUOTE () {
  52.         return createPipelineComponent(new IsAlnumHandler(), new UNQUOTE());
  53.     }
  54. */


  55.     public boolean canHandle(char c) throws IllegalInputCharacterException {
  56.         if(logger.isDebugEnabled())
  57.             logger.debug("canHandle(c={}) - start", String.valueOf(c));

  58.         PipelineConfig pipelineConfig = this.getPipelineConfig();
  59.         if (c != pipelineConfig.getSeparatorChar()
  60.                 && !Character.isWhitespace(c)
  61.                 && c != pipelineConfig.getEscapeChar()) {
  62.             return true;
  63.         }
  64.         return false;
  65.     }


  66.     static protected class QUOTE extends Helper {

  67.         /**
  68.          * Logger for this class
  69.          */
  70.         private static final Logger logger = LoggerFactory.getLogger(QUOTE.class);

  71. //        private boolean add = true;

  72.         public void helpWith(char c) {
  73.             if(logger.isDebugEnabled())
  74.                 logger.debug("helpWith(c={}) - start", String.valueOf(c));
  75.            
  76.             getHandler().getPipeline().putFront(SeparatorHandler.ENDPIECE());
  77.             getHandler().getPipeline().putFront(IsAlnumHandler.ACCEPT());
  78.             getHandler().getPipeline().putFront(WhitespacesHandler.ACCEPT());
  79.             //getHandler().getPipeline().putFront(IsAlnumHandler.UNQUOTE());

  80.             getHandler().accept(c);
  81.         }
  82.     }

  83.     static protected class UNQUOTE extends Helper {

  84.         /**
  85.          * Logger for this class
  86.          */
  87.         private static final Logger logger = LoggerFactory.getLogger(UNQUOTE.class);


  88.         public void helpWith(char c) {
  89.             if(logger.isDebugEnabled())
  90.                 logger.debug("helpWith(c={}) - start", String.valueOf(c));

  91.             try {
  92.                 getHandler().getPipeline().removeFront();
  93.                 getHandler().getPipeline().removeFront();
  94.                 getHandler().getPipeline().removeFront();
  95.                 getHandler().getPipeline().removeFront();
  96.             } catch (PipelineException e) {
  97.                 throw new RuntimeException(e.getMessage());
  98.             }
  99.             // ignore the char
  100.         }
  101.     }

  102. }