1
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
31 public class LoggerAction extends Action {
32 public static final String LEVEL_ATTRIBUTE = "level";
33
34 boolean inError = false;
35 Logger logger;
36
37 public void begin(InterpretationContext ec, String name, Attributes attributes) {
38
39 inError = false;
40 logger = null;
41
42 LoggerContext loggerContext = (LoggerContext) this.context;
43
44 String loggerName = ec.subst(attributes.getValue(NAME_ATTRIBUTE));
45
46 if (OptionHelper.isEmpty(loggerName)) {
47 inError = true;
48 String aroundLine = getLineColStr(ec);
49 String errorMsg = "No 'name' attribute in element " + name + ", around " + aroundLine;
50 addError(errorMsg);
51 return;
52 }
53
54 logger = loggerContext.getLogger(loggerName);
55
56 String levelStr = ec.subst(attributes.getValue(LEVEL_ATTRIBUTE));
57
58 if (!OptionHelper.isEmpty(levelStr)) {
59 if (ActionConst.INHERITED.equalsIgnoreCase(levelStr) || ActionConst.NULL.equalsIgnoreCase(levelStr)) {
60 addInfo("Setting level of logger [" + loggerName + "] to null, i.e. INHERITED");
61 logger.setLevel(null);
62 } else {
63 Level level = Level.toLevel(levelStr);
64 addInfo("Setting level of logger [" + loggerName + "] to " + level);
65 logger.setLevel(level);
66 }
67 }
68
69 String additivityStr = ec.subst(attributes.getValue(ActionConst.ADDITIVITY_ATTRIBUTE));
70 if (!OptionHelper.isEmpty(additivityStr)) {
71 boolean additive = OptionHelper.toBoolean(additivityStr, true);
72 addInfo("Setting additivity of logger [" + loggerName + "] to " + additive);
73 logger.setAdditive(additive);
74 }
75 ec.pushObject(logger);
76 }
77
78 public void end(InterpretationContext ec, String e) {
79 if (inError) {
80 return;
81 }
82 Object o = ec.peekObject();
83 if (o != logger) {
84 addWarn("The object on the top the of the stack is not " + logger + " pushed earlier");
85 addWarn("It is: " + o);
86 } else {
87 ec.popObject();
88 }
89 }
90
91 public void finish(InterpretationContext ec) {
92 }
93 }
94