content: /*
   * 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.camel.kafkaconnector.maven.utils;
  
  import java.io.IOException;
  import java.net.URL;
  import java.util.ArrayList;
  import java.util.HashSet;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import com.fasterxml.jackson.core.JsonProcessingException;
  import com.fasterxml.jackson.databind.JsonNode;
  import com.fasterxml.jackson.databind.ObjectMapper;
  import com.fasterxml.jackson.databind.node.ObjectNode;
  import com.fasterxml.jackson.dataformat.yaml.YAMLGenerator;
  import com.fasterxml.jackson.dataformat.yaml.YAMLMapper;
  import org.apache.camel.kafkaconnector.maven.model.KameletModel;
  import org.apache.camel.kafkaconnector.maven.model.KameletPropertyModel;
  
  public final class YamlKameletMapper {
      public static final ObjectMapper YAML_MAPPER = new YAMLMapper()
              .configure(YAMLGenerator.Feature.WRITE_DOC_START_MARKER, false)
              .configure(YAMLGenerator.Feature.LITERAL_BLOCK_STYLE, true)
              .configure(YAMLGenerator.Feature.MINIMIZE_QUOTES, true);
  
      private YamlKameletMapper() { }
  
      public static KameletModel parseKameletYaml(URL src) throws IOException {
          ObjectNode kamelet = YAML_MAPPER.readValue(src, ObjectNode.class);
          return parseKameletYaml(kamelet);
      }
  
      public static KameletModel parseKameletYaml(String src) throws JsonProcessingException {
          ObjectNode kamelet = YAML_MAPPER.readValue(src, ObjectNode.class);
          return parseKameletYaml(kamelet);
      }
  
      public static KameletModel parseKameletYaml(ObjectNode kameletYamlNode) {
          KameletModel km = new KameletModel();
          km.setType(kameletYamlNode.at("/metadata/labels/camel.apache.org~1kamelet.type").asText());
  
          km.setName(kameletYamlNode.at("/metadata/name").asText());
  
          km.setDescription(kameletYamlNode.at("/spec/definition/description").asText());
  
          Set<String> requiredProperties = new HashSet<>();
          kameletYamlNode.at("/spec/definition/required").forEach(req -> requiredProperties.add(req.asText()));
          km.setRequiredProperties(requiredProperties);
  
          Set<String> dependencies = new HashSet<>();
          kameletYamlNode.at("/spec/dependencies").forEach(req -> {
              if (req != null && !req.isNull()) {
                  dependencies.add(req.asText());
              }
          });
          km.setDependencies(dependencies);
  
          List<KameletPropertyModel> kpms = new ArrayList<>();
          Iterator<Map.Entry<String, JsonNode>> it = kameletYamlNode.at("/spec/definition/properties").fields();
          while (it.hasNext()) {
              Map.Entry<String, JsonNode> property = it.next();
              KameletPropertyModel kpm = new KameletPropertyModel();
              kpm.setName(property.getKey());
              JsonNode propertyFields = property.getValue();
              kpm.setDefaultValue(propertyFields.get("default") != null ? propertyFields.get("default").asText() : null);
              kpm.setExample(propertyFields.get("example") != null ? propertyFields.get("example").asText() : null);
              kpm.setDescription(propertyFields.get("description") != null ? propertyFields.get("description").asText() : null);
              kpm.setFormat(propertyFields.get("format") != null ? propertyFields.get("format").asText() : null);
              kpm.setTitle(propertyFields.get("title") != null ? propertyFields.get("title").asText() : null);
              kpm.setType(propertyFields.get("type") != null ? propertyFields.get("type").asText() : null);
              kpms.add(kpm);
          }
          km.setProperties(kpms);
  
          return km;
      }
  }
  