import java.io.File;

import java.io.IOException;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.util.concurrent.Executors;

import java.util.concurrent.ScheduledExecutorService;

import java.util.concurrent.TimeUnit;

public class ConfigFileThrottler {

private final Path configFilePath;

private final long maxRequestsPerSecond;

private final long initialDelaySeconds;

private final int numThreads;

private final boolean developmentMode;

public ConfigFileThrottler(Path configFilePath, long maxRequestsPerSecond, long initialDelaySeconds, int numThreads, boolean developmentMode) {

this.configFilePath = configFilePath;

this.maxRequestsPerSecond = maxRequestsPerSecond;

this.initialDelaySeconds = initialDelaySeconds;

this.numThreads = numThreads;

this.developmentMode = developmentMode;

}

public void throttleRequests() throws IOException {

if (!developmentMode) {

System.out.println("Throttling is only enabled in development mode.");

return;

}

ScheduledExecutorService executor = Executors.newFixedThreadPool(numThreads);

// Schedule the task to run after the initial delay

executor.scheduleAtFixedRate(

() -> {

try {

// Read the configuration file

String configContent = new String(Files.readAllBytes(configFilePath));

// Process the config content (e.g., parse it)

System.out.println("Reading config file...");

// Simulate some processing time

try {

Thread.sleep(100);

} catch (InterruptedException e) {

Thread.currentThread().interrupt();

}

System.out.println("Config file processed.");

} catch (IOException e) {

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

}

},

initialDelaySeconds,

1,

TimeUnit.SECONDS

);

}

public static void main(String[] args) throws IOException {

// Example Usage (Development Mode)

Path configFile = Paths.get("config.txt"); // Replace with your config file path

long maxRequests = 5; // Requests per second

long delay = 2; // Initial delay in seconds

int threadCount = 2;

boolean devMode = true;

// Create a sample config file if it doesn't exist

if (!Files.exists(configFile)) {

Files.writeString(configFile, "Example Config Content", java.nio.charset.StandardCharsets.UTF_8);

}

ConfigFileThrottler throttler = new ConfigFileThrottler(configFile, maxRequests, delay, threadCount, devMode);

try {

throttler.throttleRequests();

} catch (IOException e) {

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

}

}

}