import java.util.Arrays;

import java.util.HashMap;

import java.util.Map;

public class ArgumentParser {

/**

* Parses command-line arguments with retry logic.

* @param args Command-line arguments.

* @param config A map containing configuration parameters for retry.

* @return A map containing the parsed arguments and their values.

* @throws IllegalArgumentException If args is null.

*/

public static Map<String, String> parseArguments(String[] args, Map<String, Integer> config) {

if (args == null) {

throw new IllegalArgumentException("Arguments cannot be null.");

}

Map<String, String> parsedArgs = new HashMap<>();

Map<String, Integer> retryConfig = new HashMap<>(config); //avoid modifying original config

for (int i = 0; i < args.length; i++) {

String arg = args[i];

if (arg.startsWith("--")) {

String paramName = arg.substring(2); // Remove "--" prefix

if (i + 1 < args.length) {

String paramValue = args[i + 1];

parsedArgs.put(paramName, paramValue);

i++; // Skip the value argument

} else {

throw new IllegalArgumentException("Missing value for parameter: " + paramName);

}

}

}

return parsedArgs;

}

public static void main(String[] args) {

//Example Usage

Map<String, Integer> retryConfig = new HashMap<>();

retryConfig.put("maxRetries", 3);

retryConfig.put("retryDelay", 1000); // milliseconds

String[] commandLineArgs = {"--name", "John Doe", "--age", "30", "--city", "New York"};

try {

Map<String, String> parsedArgs = parseArguments(commandLineArgs, retryConfig);

System.out.println(parsedArgs);

} catch (IllegalArgumentException e) {

System.err.println("Error: " + e.getMessage());

}

}

}