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1   /**
2    * Logback: the reliable, generic, fast and flexible logging framework.
3    * Copyright (C) 1999-2009, QOS.ch. All rights reserved.
4    *
5    * This program and the accompanying materials are dual-licensed under
6    * either the terms of the Eclipse Public License v1.0 as published by
7    * the Eclipse Foundation
8    *
9    *   or (per the licensee's choosing)
10   *
11   * under the terms of the GNU Lesser General Public License version 2.1
12   * as published by the Free Software Foundation.
13   */
14  package chapters.onJoran.implicit;
15  
16  import org.xml.sax.Attributes;
17  
18  import ch.qos.logback.core.joran.action.ImplicitAction;
19  import ch.qos.logback.core.joran.spi.InterpretationContext;
20  import ch.qos.logback.core.joran.spi.Pattern;
21  
22  /**
23   * 
24   * A rather trivial implicit action which is applicable if an element has a
25   * printme attribute set to true.
26   * 
27   * @author Ceki Gülcü
28   */
29  public class PrintMeImplicitAction extends ImplicitAction {
30  
31    public boolean isApplicable(Pattern pattern, Attributes attributes,
32        InterpretationContext ec) {
33      String printmeStr = attributes.getValue("printme");
34  
35      return Boolean.valueOf(printmeStr).booleanValue();
36    }
37  
38    public void begin(InterpretationContext ec, String name, Attributes attributes) {
39      System.out.println("Element [" + name + "] asked to be printed.");
40    }
41  
42    public void end(InterpretationContext ec, String name) {
43    }
44  }