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Tool to ease and automate Apache Kafka cluster configuration management

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/*
 * Copyright 2020 StreamThoughts.
 *
 * 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 io.streamthoughts.kafka.specs;

import io.streamthoughts.kafka.specs.model.V1SpecFile;

import java.io.IOException;
import java.io.OutputStream;

/**
 * Default interface to write a cluster specification.
 */
public class YAMLClusterSpecWriter implements ClusterSpecWriter {

    private static final YAMLClusterSpecWriter INSTANCE = new YAMLClusterSpecWriter();

    public static YAMLClusterSpecWriter instance() {
        return INSTANCE;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void write(final V1SpecFile spec, final OutputStream os) {
        try {
            Jackson.YAML_OBJECT_MAPPER.writeValue(os, spec);
        } catch (IOException e) {
            throw new RuntimeException("Failed to serialize specification into YAML: " + e.getLocalizedMessage());
        }
    }
}