org.apache.logging.log4j.core.jackson.ContextDataAsEntryListSerializer Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you 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.
*/
package org.apache.logging.log4j.core.jackson;
import com.fasterxml.jackson.core.JsonGenerationException;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.std.StdSerializer;
import java.io.IOException;
import java.util.Map;
import org.apache.logging.log4j.util.BiConsumer;
import org.apache.logging.log4j.util.ReadOnlyStringMap;
/**
*
* Consider this class private.
*
*/
public class ContextDataAsEntryListSerializer extends StdSerializer {
private static final long serialVersionUID = 1L;
protected ContextDataAsEntryListSerializer() {
super(Map.class, false);
}
@Override
public void serialize(
final ReadOnlyStringMap contextData, final JsonGenerator jgen, final SerializerProvider provider)
throws IOException, JsonGenerationException {
final MapEntry[] pairs = new MapEntry[contextData.size()];
contextData.forEach(new BiConsumer() {
int i = 0;
@Override
public void accept(final String key, final Object value) {
pairs[i++] = new MapEntry(key, String.valueOf(value));
}
});
jgen.writeObject(pairs);
}
}