/**
* 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.core.joran.action;
import ch.qos.logback.core.spi.ContextAware;
import org.xml.sax.Attributes;
import ch.qos.logback.core.joran.spi.ActionException;
import ch.qos.logback.core.joran.spi.InterpretationContext;
import ch.qos.logback.core.spi.LifeCycle;
import ch.qos.logback.core.status.StatusListener;
import ch.qos.logback.core.util.OptionHelper;
public class StatusListenerAction extends Action {
boolean inError = false;
StatusListener statusListener = null;
public void begin(InterpretationContext ec, String name, Attributes attributes) throws ActionException {
inError = false;
String className = attributes.getValue(CLASS_ATTRIBUTE);
if (OptionHelper.isEmpty(className)) {
addError(
"Missing class name for statusListener. Near ["
+ name + "] line " + getLineNumber(ec));
inError = true;
return;
}
try {
statusListener = (StatusListener) OptionHelper.instantiateByClassName(
className, StatusListener.class, context);
addInfo("Adding status listener of type ["+className+"]");
ec.getContext().getStatusManager().add(statusListener);
if (statusListener instanceof ContextAware) {
((ContextAware) statusListener).setContext(context);
}
ec.pushObject(statusListener);
} catch (Exception e) {
inError = true;
addError(
"Could not create an StatusListener of type [" + className + "].", e);
throw new ActionException(e);
}
}
public void finish(InterpretationContext ec) {
}
public void end(InterpretationContext ec, String e) {
if (inError) {
return;
}
if (statusListener instanceof LifeCycle) {
((LifeCycle) statusListener).start();
}
Object o = ec.peekObject();
if (o != statusListener) {
addWarn(
"The object at the of the stack is not the statusListener pushed earlier.");
} else {
ec.popObject();
}
}
}