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17 package edu.internet2.middleware.shibboleth.common.log;
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19 import org.opensaml.util.resource.Resource;
20 import org.opensaml.util.resource.ResourceChangeListener;
21 import org.opensaml.util.resource.ResourceException;
22 import org.slf4j.LoggerFactory;
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24 import ch.qos.logback.classic.LoggerContext;
25 import ch.qos.logback.classic.joran.JoranConfigurator;
26 import ch.qos.logback.core.joran.spi.JoranException;
27 import ch.qos.logback.core.status.ErrorStatus;
28 import ch.qos.logback.core.status.InfoStatus;
29 import ch.qos.logback.core.status.StatusManager;
30 import ch.qos.logback.core.util.StatusPrinter;
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33 public class LogbackConfigurationChangeListener implements ResourceChangeListener {
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36 public void onResourceCreate(Resource resource) {
37 configureLogback(resource);
38 }
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41 public void onResourceDelete(Resource resource) {
42
43 }
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46 public void onResourceUpdate(Resource resource) {
47 configureLogback(resource);
48 }
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55 protected void configureLogback(Resource configuration) {
56 LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
57 StatusManager statusManager = loggerContext.getStatusManager();
58 statusManager.add(new InfoStatus("Loading logging configuration file: " + configuration.getLocation(), this));
59 try {
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61 loggerContext.reset();
62 JoranConfigurator configurator = new JoranConfigurator();
63 configurator.setContext(loggerContext);
64 configurator.doConfigure(configuration.getInputStream());
65 loggerContext.start();
66 } catch (JoranException e) {
67 statusManager.add(new ErrorStatus("Error loading logging configuration file: "
68 + configuration.getLocation(), this, e));
69 } catch (ResourceException e) {
70 statusManager.add(new ErrorStatus("Error loading logging configuration file: "
71 + configuration.getLocation(), this, e));
72 }
73 StatusPrinter.printInCaseOfErrorsOrWarnings(loggerContext);
74 }
75 }