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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.classic.joran.action;
15  
16  import org.xml.sax.Attributes;
17  
18  import ch.qos.logback.classic.Level;
19  import ch.qos.logback.classic.Logger;
20  import ch.qos.logback.core.joran.action.Action;
21  import ch.qos.logback.core.joran.action.ActionConst;
22  import ch.qos.logback.core.joran.spi.InterpretationContext;
23  
24  /**
25   * Action to handle the <level> element nested within <logger> element. 
26   * 
27   * <p>This action is <b>deprecated</b>. Use the level attribute within the logger
28   * element.
29   * 
30   * @author Ceki Gulcu
31   */
32  public class LevelAction extends Action {
33  
34      boolean inError = false;
35  
36      public void begin(InterpretationContext ec, String name, Attributes attributes) {
37          Object o = ec.peekObject();
38  
39          if (!(o instanceof Logger)) {
40              inError = true;
41              addError("For element <level>, could not find a logger at the top of execution stack.");
42              return;
43          }
44  
45          Logger l = (Logger) o;
46  
47          String loggerName = l.getName();
48  
49          String levelStr = ec.subst(attributes.getValue(ActionConst.VALUE_ATTR));
50          // addInfo("Encapsulating logger name is [" + loggerName
51          // + "], level value is  [" + levelStr + "].");
52  
53          if (ActionConst.INHERITED.equalsIgnoreCase(levelStr) || ActionConst.NULL.equalsIgnoreCase(levelStr)) {
54              l.setLevel(null);
55          } else {
56              l.setLevel(Level.toLevel(levelStr, Level.DEBUG));
57          }
58  
59          addInfo(loggerName + " level set to " + l.getLevel());
60      }
61  
62      public void finish(InterpretationContext ec) {
63      }
64  
65      public void end(InterpretationContext ec, String e) {
66      }
67  }