/*
 * Copyright 2017 Graz University of Technology EAAF-Core Components has been developed in a
 * cooperation between EGIZ, A-SIT Plus, A-SIT, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.2 or - as soon they will be approved by the European
 * Commission - subsequent versions of the EUPL (the "Licence"); You may not use this work except in
 * compliance with the Licence. You may obtain a copy of the Licence at:
 * https://joinup.ec.europa.eu/news/understanding-eupl-v12
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the Licence
 * is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the Licence for the specific language governing permissions and limitations under
 * the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text file for details on the
 * various modules and licenses. The "NOTICE" text file is part of the distribution. Any derivative
 * works that you distribute must include a readable copy of the "NOTICE" text file.
*/

package at.gv.egiz.eaaf.core.impl.gui.velocity;

import org.apache.velocity.app.Velocity;
import org.apache.velocity.runtime.RuntimeConstants;
import org.apache.velocity.runtime.RuntimeServices;
import org.apache.velocity.runtime.log.LogChute;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class VelocityLogAdapter implements LogChute {

  private static final Logger log = LoggerFactory.getLogger(VelocityLogAdapter.class);

  /**
   * VeloCity Logging adapter.
   *
   */
  public VelocityLogAdapter() {
    try {
      /*
       * register this class as a logger with the Velocity singleton (NOTE: this would
       * not work for the non-singleton method.)
       */
      Velocity.setProperty(RuntimeConstants.RUNTIME_LOG_LOGSYSTEM, this);
      Velocity.init();
    } catch (final Exception e) {
      log.error("Failed to register Velocity logger");
    }
  }

  @Override
  public void init(final RuntimeServices arg0) throws Exception {

  }

  @Override
  public boolean isLevelEnabled(final int arg0) {
    switch (arg0) {
      case LogChute.DEBUG_ID:
        return log.isDebugEnabled();
      case LogChute.TRACE_ID:
        return log.isTraceEnabled();
      default:
        return true;
    }
  }

  @Override
  public void log(final int arg0, final String arg1) {
    switch (arg0) {
      case LogChute.DEBUG_ID:
        log.debug(arg1);
        break;
      case LogChute.TRACE_ID:
        log.trace(arg1);
        break;
      case LogChute.INFO_ID:
        log.info(arg1);
        break;
      case LogChute.WARN_ID:
        log.warn(arg1);
        break;
      case LogChute.ERROR_ID:
      default:
        log.error(arg1);
        break;
    }
  }

  @Override
  public void log(final int arg0, final String arg1, final Throwable arg2) {
    switch (arg0) {
      case LogChute.DEBUG_ID:
      case LogChute.TRACE_ID:
      case LogChute.INFO_ID:
      case LogChute.WARN_ID:
        log.warn(arg1, arg2);
        break;
      case LogChute.ERROR_ID:
      default:
        log.error(arg1, arg2);
        break;
    }
  }

}