net.logstash.logback.composite.loggingevent.LogLevelJsonProvider Maven / Gradle / Ivy

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Provides logback encoders, layouts, and appenders to log in JSON and other formats supported by Jackson

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/*
 * Copyright 2013-2022 the original author or authors.
 *
 * Licensed 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 net.logstash.logback.composite.loggingevent;

import java.io.IOException;

import net.logstash.logback.composite.AbstractFieldJsonProvider;
import net.logstash.logback.composite.FieldNamesAware;
import net.logstash.logback.composite.JsonWritingUtils;
import net.logstash.logback.fieldnames.LogstashFieldNames;

import ch.qos.logback.classic.spi.ILoggingEvent;
import com.fasterxml.jackson.core.JsonGenerator;

public class LogLevelJsonProvider extends AbstractFieldJsonProvider implements FieldNamesAware {

    public static final String FIELD_LEVEL = "level";
    
    public LogLevelJsonProvider() {
        setFieldName(FIELD_LEVEL);
    }

    @Override
    public void writeTo(JsonGenerator generator, ILoggingEvent event) throws IOException {
        JsonWritingUtils.writeStringField(generator, getFieldName(), event.getLevel().toString());
    }
    
    @Override
    public void setFieldNames(LogstashFieldNames fieldNames) {
        setFieldName(fieldNames.getLevel());
        
    }

}