src/main/java/org/apache/log4j/chainsaw/filter/FilterModel.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.log4j.chainsaw.filter;

import org.apache.commons.lang3.StringUtils;
import org.apache.logging.log4j.core.LogEvent;

/**
 * This class is used as a Model for Filtering, and retains the unique entries that
 * come through over a set of LoggingEvents
 *
 * @author Paul Smith <psmith@apache.org>
 * @author Scott Deboy <sdeboy@apache.org>
 */
public class FilterModel {
  private EventTypeEntryContainer eventContainer =
    new EventTypeEntryContainer();

  public void processNewLoggingEvent(LogEvent event) {

    eventContainer.addLevel(event.getLevel());
    eventContainer.addLogger(event.getLoggerName());
    eventContainer.addThread(event.getThreadName());
    eventContainer.addNDC(StringUtils.join(event.getContextStack().asList(), ' '));
    eventContainer.addProperties(event.getContextMap());

    StackTraceElement info = event.getSource();
    if (info != null) {
      eventContainer.addClass(info.getClassName());
      eventContainer.addMethod(info.getMethodName());
      eventContainer.addFileName(info.getFileName());
    }
  }

  public EventTypeEntryContainer getContainer() {
    return eventContainer;
  }

}