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1   /**
2    * Logback: the reliable, generic, fast and flexible logging framework.
3    * Copyright (C) 1999-2011, 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  }