    001    /*
    002     * Licensed to the Apache Software Foundation (ASF) under one or more
    003     * contributor license agreements. See the NOTICE file distributed with
    004     * this work for additional information regarding copyright ownership.
    005     * The ASF licenses this file to You under the Apache license, Version 2.0
    006     * (the "License"); you may not use this file except in compliance with
    007     * the License. You may obtain a copy of the License at
    008     *
    009     *      http://www.apache.org/licenses/LICENSE-2.0
    010     *
    011     * Unless required by applicable law or agreed to in writing, software
    012     * distributed under the License is distributed on an "AS IS" BASIS,
    013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014     * See the license for the specific language governing permissions and
    015     * limitations under the license.
    016     */
    017    package org.apache.logging.slf4j;
    018
    019    import java.util.Map;
    020
    021    import org.apache.logging.log4j.message.Message;
    022    import org.apache.logging.log4j.message.ParameterizedMessage;
    023    import org.apache.logging.log4j.message.StructuredDataMessage;
    024    import org.slf4j.ext.EventData;
    025
    026    /**
    027     *
    028     */
    029    public class EventDataConverter {
    030
    031        public Message convertEvent(final String message, final Object[] objects, final Throwable throwable) {
    032            try {
    033                final EventData data = objects != null && objects[0] instanceof EventData ?
    034                        (EventData) objects[0] : new EventData(message);
    035                final StructuredDataMessage msg =
    036                        new StructuredDataMessage(data.getEventId(), data.getMessage(), data.getEventType());
    037                for (final Map.Entry<String, Object> entry : data.getEventMap().entrySet()) {
    038                    final String key = entry.getKey();
    039                    if (EventData.EVENT_TYPE.equals(key) || EventData.EVENT_ID.equals(key)
    040                            || EventData.EVENT_MESSAGE.equals(key)) {
    041                        continue;
    042                    }
    043                    msg.put(key, String.valueOf(entry.getValue()));
    044                }
    045                return msg;
    046            } catch (final Exception ex) {
    047                return new ParameterizedMessage(message, objects, throwable);
    048            }
    049        }
    050    }