[Java] Add initial support for Selenium Manager

Author: bonigarcia

common/manager/BUILD.bazel

@@ -20,10 +20,11 @@ exports_files(
         "windows/selenium-manager.exe",
     ],
     visibility = [
+        "//java/src/org/openqa/selenium/remote:__pkg__",
         "//java/test/org/openqa/selenium/chrome:__pkg__",
         "//java/test/org/openqa/selenium/edge:__pkg__",
         "//java/test/org/openqa/selenium/firefox:__pkg__",
         "//py:__pkg__",
         "//rb:__pkg__",
-  ],
+    ],
 )

java/src/org/openqa/selenium/remote/BUILD.bazel

@@ -41,6 +41,9 @@ java_library(
     resources = [
         ":get-attribute",
         ":is-displayed",
+        ":manager-linux",
+        ":manager-macos",
+        ":manager-windows",
     ],
     visibility = [
         "//java/src/org/openqa/selenium/devtools:__pkg__",
@@ -73,3 +76,21 @@ copy_file(
     src = "//javascript/atoms/fragments:is-displayed.js",
     out = "isDisplayed.js",
 )
+
+copy_file(
+    name = "manager-linux",
+    src = "//common/manager:linux/selenium-manager",
+    out = "service/linux/selenium-manager",
+)
+
+copy_file(
+    name = "manager-windows",
+    src = "//common/manager:windows/selenium-manager.exe",
+    out = "service/windows/selenium-manager.exe",
+)
+
+copy_file(
+    name = "manager-macos",
+    src = "//common/manager:macos/selenium-manager",
+    out = "service/macos/selenium-manager",
+)

java/src/org/openqa/selenium/remote/service/DriverService.java

@@ -17,14 +17,20 @@
 
 package org.openqa.selenium.remote.service;
 
+import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;
 import static java.util.Collections.emptyMap;
 import static java.util.concurrent.TimeUnit.SECONDS;
+import static org.openqa.selenium.Platform.MAC;
+import static org.openqa.selenium.Platform.WINDOWS;
 import static org.openqa.selenium.concurrent.ExecutorServices.shutdownGracefully;
 
+import com.google.common.base.Charsets;
 import com.google.common.collect.ImmutableMap;
 
+import com.google.common.io.CharStreams;
 import org.openqa.selenium.Beta;
 import org.openqa.selenium.Capabilities;
+import org.openqa.selenium.Platform;
 import org.openqa.selenium.WebDriverException;
 import org.openqa.selenium.internal.Require;
 import org.openqa.selenium.net.PortProber;
@@ -36,9 +42,12 @@
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
 import java.io.OutputStream;
 import java.net.MalformedURLException;
 import java.net.URL;
+import java.nio.file.Files;
 import java.time.Duration;
 import java.util.List;
 import java.util.Map;
@@ -64,6 +73,12 @@ public class DriverService implements Closeable {
   private static final String NAME = "Driver Service Executor";
   protected static final Duration DEFAULT_TIMEOUT = Duration.ofSeconds(20);
 
+  protected static final String SELENIUM_MANAGER = "selenium-manager";
+  protected static final String EXE = ".exe";
+  protected static final String INFO = "INFO\t";
+
+  protected static File seleniumManager;
+
   private final ExecutorService executorService = Executors.newFixedThreadPool(2, r -> {
     Thread thread = new Thread(r);
     thread.setName(NAME);
@@ -115,6 +130,48 @@ protected DriverService(
    this.url = getUrl(port);
  }
 
+  protected static String runCommand(String... command) {
+    String output = "";
+    try {
+      Process process = new ProcessBuilder(command)
+        .redirectErrorStream(false).start();
+      process.waitFor();
+      output = CharStreams.toString(new InputStreamReader(
+        process.getInputStream(), Charsets.UTF_8));
+    } catch (Exception e) {
+      e.printStackTrace();
+    }
+    return output.trim();
+  }
+
+  protected static File getSeleniumManager() {
+    if (seleniumManager == null) {
+      try {
+        Platform current = Platform.getCurrent();
+        String folder = "linux";
+        String extension = "";
+        if (current.is(WINDOWS)) {
+          extension = EXE;
+          folder = "windows";
+        }
+        else if (current.is(MAC)) {
+          folder = "mac";
+        }
+        String binary = String.format("%s/%s%s", folder, SELENIUM_MANAGER, extension);
+        try (InputStream inputStream = DriverService.class.getResourceAsStream(binary)) {
+          File tempFolder = Files.createTempDirectory(SELENIUM_MANAGER).toFile();
+          tempFolder.deleteOnExit();
+          seleniumManager = new File(tempFolder, SELENIUM_MANAGER + extension);
+          Files.copy(inputStream, seleniumManager.toPath(), REPLACE_EXISTING);
+        }
+        seleniumManager.setExecutable(true);
+      } catch (Exception e) {
+        e.printStackTrace();
+      }
+    }
+    return seleniumManager;
+  }
+
   /**
    *
    * @param exeName Name of the executable file to look for in PATH
@@ -132,6 +189,18 @@ protected static File findExecutable(
       String exeDownload) {
     String defaultPath = new ExecutableFinder().find(exeName);
     String exePath = System.getProperty(exeProperty, defaultPath);
+
+    if (exePath == null) {
+      File seleniumManager = getSeleniumManager();
+      if (seleniumManager != null) {
+        String output = runCommand(seleniumManager.getAbsolutePath(),
+                "--driver", exeName.replaceAll(EXE, ""));
+        if (output.startsWith(INFO)) {
+          exePath = output.replace(INFO, "");
+        }
+      }
+    }
+
     Require.state("The path to the driver executable", exePath).nonNull(
         "The path to the driver executable must be set by the %s system property;"
             + " for more information, see %s. "