chapters.onJoran.calculator.Calculator1 Maven / Gradle / Ivy

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/**
 * 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 chapters.onJoran.calculator;

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.spi.Pattern;
import ch.qos.logback.core.util.StatusPrinter;
import chapters.onJoran.SimpleConfigurator;

/**
 * This examples illustrates collaboration between multiple actions through the
 * common execution context stack.
 * 
 * @author Ceki Güulcü
 */
public class Calculator1 {

  public static void main(String[] args) throws Exception {
    Context context = new ContextBase();

    Map ruleMap = new HashMap();

    // Associate "/computation" pattern with ComputationAction1
    ruleMap.put(new Pattern("/computation"), new ComputationAction1());

    // Other associations
    ruleMap.put(new Pattern("/computation/literal"), new LiteralAction());
    ruleMap.put(new Pattern("/computation/add"), new AddAction());
    ruleMap.put(new Pattern("/computation/multiply"), new MultiplyAction());

    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.print(context);
  }
}