/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2011, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.classic.joran.action;
import ch.qos.logback.core.status.OnConsoleStatusListener;
import org.xml.sax.Attributes;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.turbo.ReconfigureOnChangeFilter;
import ch.qos.logback.core.joran.action.Action;
import ch.qos.logback.core.joran.spi.InterpretationContext;
import ch.qos.logback.core.util.ContextUtil;
import ch.qos.logback.core.util.Duration;
import ch.qos.logback.core.util.OptionHelper;
import ch.qos.logback.core.util.StatusPrinter;
public class ConfigurationAction extends Action {
static final String INTERNAL_DEBUG_ATTR = "debug";
static final String SCAN_ATTR = "scan";
static final String SCAN_PERIOD_ATTR = "scanPeriod";
static final String DEBUG_SYSTEM_PROPERTY_KEY = "logback.debug";
long threshold = 0;
public void begin(InterpretationContext ic, String name, Attributes attributes) {
threshold = System.currentTimeMillis();
// See LBCLASSIC-225 (the system property is looked up first. Thus, it overrides
// the equivalent property in the config file. This reversal of scope priority is justified
// by the use case: the admin trying to chase rogue config file
String debugAttrib = System.getProperty(DEBUG_SYSTEM_PROPERTY_KEY);
if (debugAttrib == null) {
debugAttrib = ic.subst(attributes.getValue(INTERNAL_DEBUG_ATTR));
}
if (OptionHelper.isEmpty(debugAttrib) || debugAttrib.equalsIgnoreCase("false")
|| debugAttrib.equalsIgnoreCase("null")) {
addInfo(INTERNAL_DEBUG_ATTR + " attribute not set");
} else {
OnConsoleStatusListener.addNewInstanceToContext(context);
}
processScanAttrib(ic, attributes);
new ContextUtil(context).addHostNameAsProperty();
// the context is turbo filter attachable, so it is pushed on top of the
// stack
ic.pushObject(getContext());
}
void processScanAttrib(InterpretationContext ic, Attributes attributes) {
String scanAttrib = ic.subst(attributes.getValue(SCAN_ATTR));
if (!OptionHelper.isEmpty(scanAttrib)
&& !"false".equalsIgnoreCase(scanAttrib)) {
ReconfigureOnChangeFilter rocf = new ReconfigureOnChangeFilter();
rocf.setContext(context);
String scanPeriodAttrib = ic.subst(attributes.getValue(SCAN_PERIOD_ATTR));
if (!OptionHelper.isEmpty(scanPeriodAttrib)) {
try {
Duration duration = Duration.valueOf(scanPeriodAttrib);
rocf.setRefreshPeriod(duration.getMilliseconds());
addInfo("Setting ReconfigureOnChangeFilter scanning period to "
+ duration);
} catch (NumberFormatException nfe) {
addError("Error while converting [" + scanAttrib + "] to long", nfe);
}
}
rocf.start();
LoggerContext lc = (LoggerContext) context;
addInfo("Adding ReconfigureOnChangeFilter as a turbo filter");
lc.addTurboFilter(rocf);
}
}
public void end(InterpretationContext ec, String name) {
addInfo("End of configuration.");
ec.popObject();
}
}