Below code snippet for Firefox :-
Automatic File Download Selenium Java
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import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.firefox.FirefoxProfile;
import atu.utils.windows.handler.exceptions.WindowsHandlerException;
public class autoDownLoad {
public static void main(String[] args) throws WindowsHandlerException, InterruptedException {
FirefoxProfile profile = new FirefoxProfile();
String path="d:\\downloads123";
profile.setPreference("browser.download.folderList", 2);
profile.setPreference("browser.download.dir", path);
profile.setPreference("browser.download.manager.alertOnEXEOpen", false);
profile.setPreference("browser.helperApps.neverAsk.saveToDisk", "application/msword,application/csv,text/csv,image/png ,image/jpeg, application/pdf, text/html,text/plain,application/octet-stream");
profile.setPreference("browser.download.manager.showWhenStarting", false);
profile.setPreference("browser.download.manager.focusWhenStarting", false);
profile.setPreference("browser.download.useDownloadDir", true);
profile.setPreference("browser.helperApps.alwaysAsk.force", false);
profile.setPreference("browser.download.manager.alertOnEXEOpen", false);
profile.setPreference("browser.download.manager.closeWhenDone", false);
profile.setPreference("browser.download.manager.showAlertOnComplete", false);
profile.setPreference("browser.download.manager.useWindow", false);
profile.setPreference("browser.download.manager.showWhenStarting",false);
profile.setPreference("services.sync.prefs.sync.browser.download.manager.showWhenStarting", false);
profile.setPreference("pdfjs.disabled", true);
WebDriver driver = new FirefoxDriver(profile);
driver.get(YOUR URL);
}
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