content: /*
   * Copyright 2024-2025 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
   *
   *      https://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 com.alibaba.cloud.ai.studio.admin.generator.service.generator;
  
  import java.io.InputStream;
  import java.util.List;
  import java.util.Map;
  
  import io.spring.initializr.generator.spring.properties.ApplicationProperties;
  import io.spring.initializr.generator.spring.properties.ApplicationPropertiesCustomizer;
  import org.yaml.snakeyaml.Yaml;
  
  public class GraphAppPropertiesCustomizer implements ApplicationPropertiesCustomizer {
  
  	public GraphAppPropertiesCustomizer() {
  	}
  
  	@Override
  	public void customize(ApplicationProperties properties) {
  		try (InputStream in = getClass().getClassLoader().getResourceAsStream("templates/default-application.yml")) {
  			if (in == null) {
  				throw new IllegalStateException("not found default-default-application.yml");
  			}
  			Yaml yaml = new Yaml();
  			Object loaded = yaml.load(in);
  			if (loaded instanceof Map<?, ?>) {
  				flattenAndAdd(properties, "", (Map<String, Object>) loaded);
  			}
  		}
  		catch (Exception ex) {
  			throw new IllegalStateException("parse default-default-application.yml failed", ex);
  		}
  	}
  
  	@SuppressWarnings("unchecked")
  	private void flattenAndAdd(ApplicationProperties props, String prefix, Map<String, Object> map) {
  		for (Map.Entry<String, Object> entry : map.entrySet()) {
  			String key = prefix.isEmpty() ? entry.getKey() : prefix + "." + entry.getKey();
  			Object value = entry.getValue();
  			if (value instanceof Map) {
  				flattenAndAdd(props, key, (Map<String, Object>) value);
  			}
  			else if (value instanceof List) {
  				props.add(key, ((List<?>) value).toString());
  			}
  			else if (value instanceof Boolean) {
  				props.add(key, (Boolean) value);
  			}
  			else if (value instanceof Number) {
  				props.add(key, ((Number) value).longValue());
  			}
  			else {
  				props.add(key, value == null ? "" : value.toString());
  			}
  		}
  	}
  
  }
  