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 */
017package org.apache.logging.slf4j;
018
019import java.util.Map;
020
021import org.apache.logging.log4j.message.Message;
022import org.apache.logging.log4j.message.ParameterizedMessage;
023import org.apache.logging.log4j.message.StructuredDataMessage;
024import org.slf4j.ext.EventData;
025
026/**
027 *
028 */
029public 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}