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import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.dataformat.yaml.YAMLFactory; import java.io.File; import java.io.FileInputStream; import java.io.IOException; public class Yaml2Json { public static void main(String[] args) throws IOException { if (args.length != 1) { System.out.println("Usage: Yaml2Json <yaml_file>"); System.exit(1); } File yamlFile = new File(args[0]); if (!yamlFile.exists()) { System.out.println("YAML file not found: " + yamlFile.getAbsolutePath()); System.exit(1); } // Read the YAML content from the file String yamlContent = readFileContent(yamlFile); // Convert YAML to JSON using the provided method String json = convertYamlToJson(yamlContent); // Print the JSON output to the console System.out.println(json); } // Method to read the contents of a file private static String readFileContent(File file) throws IOException { try (FileInputStream fis = new FileInputStream(file)) { byte[] bytes = fis.readAllBytes(); return new String(bytes); } } // Provided method for YAML to JSON conversion public static String convertYamlToJson(String yaml) { ObjectMapper yamlReader = new ObjectMapper(new YAMLFactory()); Object obj = yamlReader.readValue(yaml, Object.class); ObjectMapper jsonWriter = new ObjectMapper(); return jsonWriter.writeValueAsString(obj); } }
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