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YamlJsonFactoryDecorator.java
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YamlJsonFactoryDecorator.java
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/*
* Copyright 2013-2023 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.decorate.yaml;
import net.logstash.logback.decorate.JsonFactoryDecorator;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
import com.fasterxml.jackson.dataformat.yaml.YAMLGenerator;
/**
* A {@link JsonFactoryDecorator} that will switch the output
* to YAML output instead of JSON text.
*
* <p>See also {@link YamlFeatureJsonGeneratorDecorator} for configuring {@link YAMLGenerator} features.</p>
*/
public class YamlJsonFactoryDecorator implements JsonFactoryDecorator {
@Override
public JsonFactory decorate(JsonFactory factory) {
YAMLFactory yamlFactory = new YAMLFactory();
ObjectMapper mapper = new ObjectMapper(yamlFactory);
yamlFactory.setCodec(mapper);
/*
* YAMLGenerator needs to pass the flush to the stream.
* It doesn't maintain an internal buffer like the other generators.
* To see this, look at the .flush() implementations of each of the generator classes.
*/
yamlFactory.enable(JsonGenerator.Feature.FLUSH_PASSED_TO_STREAM);
return yamlFactory;
}
}