Utils.java Source code

Introduction

Here is the source code for Utils.java

Source

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;

public class Utils {
    public static void download(String urlStr, File destFile) throws IOException {
        URL srcUrl = new URL(urlStr);

        InputStream input = null;
        OutputStream output = null;
        try {
            input = srcUrl.openStream();
            FileOutputStream fos = new FileOutputStream(destFile);
            output = new BufferedOutputStream(fos);
            copyStreams(input, output);
        } finally {
            if (input != null) {
                input.close();
            }
            if (output != null) {
                output.flush();
                output.close();
            }
        }
    }

    private static void copyStreams(InputStream input, OutputStream output) throws IOException {
        int count;
        byte data[] = new byte[1024];
        while ((count = input.read(data, 0, 1024)) != -1) {
            output.write(data, 0, count);
        }
    }
}