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1   /*
2    * $Id: AbstractPatternTask.java,v 1.1 2007/11/29 12:58:13 oeuillot Exp $
3    */
4   package org.rcfaces.core.internal.validator.impl;
5   
6   import java.util.regex.Pattern;
7   
8   import org.apache.commons.logging.Log;
9   import org.apache.commons.logging.LogFactory;
10  import org.rcfaces.core.internal.lang.StringAppender;
11  import org.rcfaces.core.validator.IClientValidatorContext;
12  import org.rcfaces.core.validator.IFilterTask;
13  
14  /**
15   * 
16   * @author Olivier Oeuillot (latest modification by $Author: oeuillot $)
17   * @version $Revision: 1.1 $ $Date: 2007/11/29 12:58:13 $
18   */
19  public abstract class AbstractPatternTask extends AbstractClientValidatorTask
20          implements IFilterTask {
21      private static final String REVISION = "$Revision: 1.1 $";
22  
23      private static final Log LOG = LogFactory.getLog(AbstractPatternTask.class);
24  
25      protected abstract Pattern getPattern(IClientValidatorContext context);
26  
27      public boolean applyFilter(IClientValidatorContext context, char keyChar) {
28  
29          Pattern pattern = getPattern(context);
30  
31          return pattern.matcher(new StringAppender(keyChar)).matches();
32      }
33  }