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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements. See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache license, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License. You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the license for the specific language governing permissions and
    15   * limitations under the license.
    16   */
    17  package org.apache.logging.slf4j;
    18
    19  import java.util.Map;
    20
    21  import org.apache.logging.log4j.message.Message;
    22  import org.apache.logging.log4j.message.ParameterizedMessage;
    23  import org.apache.logging.log4j.message.StructuredDataMessage;
    24  import org.slf4j.ext.EventData;
    25
    26  /**
    27   *
    28   */
    29  public class EventDataConverter {
    30
    31      public Message convertEvent(final String message, final Object[] objects, final Throwable throwable) {
    32          try {
    33              final EventData data = objects != null && objects[0] instanceof EventData ?
    34                      (EventData) objects[0] : new EventData(message);
    35              final StructuredDataMessage msg =
    36                      new StructuredDataMessage(data.getEventId(), data.getMessage(), data.getEventType());
    37              for (final Map.Entry<String, Object> entry : data.getEventMap().entrySet()) {
    38                  final String key = entry.getKey();
    39                  if (EventData.EVENT_TYPE.equals(key) || EventData.EVENT_ID.equals(key)
    40                          || EventData.EVENT_MESSAGE.equals(key)) {
    41                      continue;
    42                  }
    43                  msg.put(key, String.valueOf(entry.getValue()));
    44              }
    45              return msg;
    46          } catch (final Exception ex) {
    47              return new ParameterizedMessage(message, objects, throwable);
    48          }
    49      }
    50  }