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/* 
* ============LICENSE_START=======================================================
* SPARKY (AAI UI service)
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property.
* Copyright © 2017 Amdocs
* All rights reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
* 
* ECOMP and OpenECOMP are trademarks
* and service marks of AT&T Intellectual Property.
*/

package org.openecomp.sparky.util;

import java.util.List;

import org.slf4j.LoggerFactory;

import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.spi.LoggingEvent;

/**
 * The Class LogValidator.
 */
public class LogValidator {

  protected CaptureLoggerAppender logger = null;

  /**
   * Initialize logger.
   *
   * @param level the level
   */
  @SuppressWarnings("unchecked")
  public void initializeLogger(Level level) {
    ch.qos.logback.classic.Logger root = (ch.qos.logback.classic.Logger) LoggerFactory
        .getLogger(ch.qos.logback.classic.Logger.ROOT_LOGGER_NAME);
    root.detachAndStopAllAppenders();
    logger = new CaptureLoggerAppender();
    root.setLevel(level);
    root.addAppender(logger);
  }

  public CaptureLoggerAppender getLogger() {
    return logger;
  }

  /**
   * Dump and count logs.
   *
   * @param logToConsole the log to console
   * @return the int
   */
  public int dumpAndCountLogs(boolean logToConsole) {

    List<LoggingEvent> logs = logger.drainAllLogs();

    if (logs == null) {
      return 0;
    }

    if (logToConsole) {
      for (LoggingEvent e : logs) {
        System.out.println(e);
      }
    }

    return logs.size();

  }

}