Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;

import javax.net.ssl.HttpsURLConnection;

public class Main {
    /**
     * Saves a file from the given URL using HTTPS to the given filename and returns the file
     * @param link URL to file
     * @param fileName Name to save the file
     * @return The file
     * @throws IOException Thrown if any IOException occurs
     */
    public static void saveFileFromNetHTTPS(URL link, String fileName) throws IOException {
        HttpsURLConnection con = (HttpsURLConnection) link.openConnection();

        InputStream in = new BufferedInputStream(con.getInputStream());
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        byte[] buf = new byte[1024];
        int n = 0;
        while (-1 != (n = in.read(buf))) {
            out.write(buf, 0, n);
        }
        out.close();
        in.close();
        byte[] response = out.toByteArray();

        File f = new File(fileName);
        if (f.getParentFile() != null) {
            if (f.getParentFile().mkdirs()) {
                System.out.println("Created Directory Structure");
            }
        }

        FileOutputStream fos = new FileOutputStream(f);
        fos.write(response);
        fos.close();
    }
}