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/**
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2015, 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 com.greenpepper.internal.com.greenpepper.internal.ch.qos.logback.core.sift;

import java.util.List;
import java.util.Map;

import com.greenpepper.internal.com.greenpepper.internal.ch.qos.logback.core.Appender;
import com.greenpepper.internal.com.greenpepper.internal.ch.qos.logback.core.CoreConstants;
import com.greenpepper.internal.com.greenpepper.internal.ch.qos.logback.core.joran.GenericConfigurator;
import com.greenpepper.internal.com.greenpepper.internal.ch.qos.logback.core.joran.action.*;
import com.greenpepper.internal.com.greenpepper.internal.ch.qos.logback.core.joran.event.SaxEvent;
import com.greenpepper.internal.com.greenpepper.internal.ch.qos.logback.core.joran.spi.ElementSelector;
import com.greenpepper.internal.com.greenpepper.internal.ch.qos.logback.core.joran.spi.Interpreter;
import com.greenpepper.internal.com.greenpepper.internal.ch.qos.logback.core.joran.spi.JoranException;
import com.greenpepper.internal.com.greenpepper.internal.ch.qos.logback.core.joran.spi.RuleStore;

public abstract class SiftingJoranConfiguratorBase extends
        GenericConfigurator {

  protected final String key;
  protected final String value;
  // properties inherited from the main joran run
  protected final Map parentPropertyMap;

  protected SiftingJoranConfiguratorBase(String key, String value, Map parentPropertyMap) {
    this.key = key;
    this.value = value;
    this.parentPropertyMap = parentPropertyMap;
  }

  final static String ONE_AND_ONLY_ONE_URL = CoreConstants.CODES_URL
          + "#1andOnly1";

  @Override
  protected void addImplicitRules(Interpreter interpreter) {
    NestedComplexPropertyIA nestedComplexIA = new NestedComplexPropertyIA();
    nestedComplexIA.setContext(context);
    interpreter.addImplicitAction(nestedComplexIA);

    NestedBasicPropertyIA nestedSimpleIA = new NestedBasicPropertyIA();
    nestedSimpleIA.setContext(context);
    interpreter.addImplicitAction(nestedSimpleIA);
  }

  @Override
  protected void addInstanceRules(RuleStore rs) {
    rs.addRule(new ElementSelector("configuration/property"), new PropertyAction());
    rs.addRule(new ElementSelector("configuration/timestamp"), new TimestampAction());
    rs.addRule(new ElementSelector("configuration/define"), new DefinePropertyAction());
  }

  abstract public Appender getAppender();

  int errorEmmissionCount = 0;

  protected void oneAndOnlyOneCheck(Map appenderMap) {
    String errMsg = null;
    if (appenderMap.size() == 0) {
      errorEmmissionCount++;
      errMsg = "No nested appenders found within the  element in SiftingAppender.";
    } else if (appenderMap.size() > 1) {
      errorEmmissionCount++;
      errMsg = "Only and only one appender can be nested the  element in SiftingAppender. See also "
              + ONE_AND_ONLY_ONE_URL;
    }

    if (errMsg != null && errorEmmissionCount < CoreConstants.MAX_ERROR_COUNT) {
      addError(errMsg);
    }
  }

  public void doConfigure(final List eventList) throws JoranException {
    super.doConfigure(eventList);
  }

  @Override
  public String toString() {
    return this.getClass().getName() + "{" + key + "=" + value + '}';
  }
}