pingtool/Ping.java

import java.io.IOException;

public class Ping implements ScanType {
    private String accessString;

    public Ping(String accessString) {
        this.accessString = accessString;
    }

    public static String getName() {
        return "Ping";
    }

    static boolean validateAccessString(String accessString) {
        // Validate the access string format (e.g., "example.com")
        if (accessString == null || accessString.isEmpty()) {
            return false;
        }
        String regex = "^[a-zA-Z0-9.-]+$";
        return accessString.matches(regex);
    }

    public boolean execute() throws IOException, InterruptedException {
        boolean isWindows = System.getProperty("os.name").toLowerCase().contains("win");

        ProcessBuilder processBuilder = new ProcessBuilder("ping", isWindows? "-n" : "-c", "1", accessString);
        Process proc = processBuilder.start();

        int returnVal = proc.waitFor();
        return returnVal == 0;
    }

    public String getAccessString() {
        return accessString;
    }
}