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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.classic.LoggerContext;
21  import ch.qos.logback.core.joran.action.Action;
22  import ch.qos.logback.core.joran.action.ActionConst;
23  import ch.qos.logback.core.joran.spi.InterpretationContext;
24  import ch.qos.logback.core.util.OptionHelper;
25  
26  public class RootLoggerAction extends Action {
27  
28      Logger root;
29      boolean inError = false;
30  
31      public void begin(InterpretationContext ec, String name, Attributes attributes) {
32          inError = false;
33  
34          LoggerContext loggerContext = (LoggerContext) this.context;
35          root = loggerContext.getLogger(Logger.ROOT_LOGGER_NAME);
36  
37          String levelStr = ec.subst(attributes.getValue(ActionConst.LEVEL_ATTRIBUTE));
38          if (!OptionHelper.isEmpty(levelStr)) {
39              Level level = Level.toLevel(levelStr);
40              addInfo("Setting level of ROOT logger to " + level);
41              root.setLevel(level);
42          }
43          ec.pushObject(root);
44      }
45  
46      public void end(InterpretationContext ec, String name) {
47          if (inError) {
48              return;
49          }
50          Object o = ec.peekObject();
51          if (o != root) {
52              addWarn("The object on the top the of the stack is not the root logger");
53              addWarn("It is: " + o);
54          } else {
55              ec.popObject();
56          }
57      }
58  
59      public void finish(InterpretationContext ec) {
60      }
61  }