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1   /**
2    * Logback: the reliable, generic, fast and flexible logging framework.
3    * Copyright (C) 1999-2015, 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 ch.qos.logback.core.joran.action;
15  
16  import org.xml.sax.Attributes;
17  
18  import ch.qos.logback.core.joran.spi.SaxEventInterpretationContext;
19  import ch.qos.logback.core.model.Model;
20  import ch.qos.logback.core.model.SequenceNumberGeneratorModel;
21  
22  /**
23   * Action which handles <sequenceNumberGenerator> elements in
24   * configuration files.
25   * 
26   * @author Ceki Gülcü
27   */
28  public class SequenceNumberGeneratorAction extends BaseModelAction {
29  
30      @Override
31      protected Model buildCurrentModel(SaxEventInterpretationContext interpretationContext, String name,
32              Attributes attributes) {
33          SequenceNumberGeneratorModel sngm = new SequenceNumberGeneratorModel();
34          sngm.setClassName(attributes.getValue(CLASS_ATTRIBUTE));
35          return sngm;
36      }
37  
38      @Override
39      protected boolean validPreconditions(SaxEventInterpretationContext seic, String name, Attributes attributes) {
40          PreconditionValidator validator = new PreconditionValidator(this, seic, name, attributes);
41          validator.validateClassAttribute();
42          return validator.isValid();
43      }
44  }