/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2009, 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 chapter10.newRule;
import java.util.HashMap;
import java.util.Map;
import ch.qos.logback.core.Context;
import ch.qos.logback.core.ContextBase;
import ch.qos.logback.core.joran.action.Action;
import ch.qos.logback.core.joran.action.NewRuleAction;
import ch.qos.logback.core.joran.spi.Pattern;
import ch.qos.logback.core.util.StatusPrinter;
import chapter10.SimpleConfigurator;
import chapter10.calculator.ComputationAction1;
/**
* This example illustrates the usage of NewRuleAction which allows the Joran
* interpreter to learn new rules on the fly.
*
* <p>This example relies heavily on the code from the joran.calculator
* package.
*
* @author Ceki Güulcü
*/
public class NewRuleCalculator {
public static void main(String[] args) throws Exception {
Context context = new ContextBase();
Map<Pattern, Action> ruleMap = new HashMap<Pattern, Action>();
// we start with the rule for the top-most (root) element
ruleMap.put(new Pattern("*/computation"), new ComputationAction1());
// Associate "/new-rule" pattern with NewRuleAction from the
// org.apache.joran.action package.
//
// We will let the XML file to teach the Joran interpreter about new rules
ruleMap.put(new Pattern("/computation/new-rule"), new NewRuleAction());
SimpleConfigurator simpleConfigurator = new SimpleConfigurator(ruleMap);
// link the configurator with its context
simpleConfigurator.setContext(context);
simpleConfigurator.doConfigure(args[0]);
// Print any errors that might have occured.
StatusPrinter.printInCaseOfErrorsOrWarnings(context);
}
}