Add executeDriverScript command

src/main/java/io/appium/java_client/AppiumDriver.java

@@ -65,7 +65,8 @@
  */
 @SuppressWarnings("unchecked")
 public class AppiumDriver<T extends WebElement>
-        extends DefaultGenericMobileDriver<T> implements ComparesImages, FindsByImage<T>, FindsByCustom<T> {
+        extends DefaultGenericMobileDriver<T> implements ComparesImages, FindsByImage<T>, FindsByCustom<T>,
+        ExecutesDriverScript {
 
     private static final ErrorHandler errorHandler = new ErrorHandler(new ErrorCodesMobile(), true);
     // frequently used command parameters

src/main/java/io/appium/java_client/ExecutesDriverScript.java

@@ -0,0 +1,71 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * See the NOTICE file distributed with this work for additional
+ * information regarding copyright ownership.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.appium.java_client;
+
+import io.appium.java_client.driverscripts.ScriptOptions;
+import io.appium.java_client.driverscripts.ScriptValue;
+import org.openqa.selenium.remote.Response;
+
+import javax.annotation.Nullable;
+import java.util.HashMap;
+import java.util.Map;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static io.appium.java_client.MobileCommand.EXECUTE_DRIVER_SCRIPT;
+
+public interface ExecutesDriverScript extends ExecutesMethod {
+
+    /**
+     * Run a set of scripts in scope of the current session.
+     * This allows multiple web driver commands to be executed within one request
+     * and may significantly speed up the automation script performance in
+     * distributed client-server environments with high latency.
+     * Read http://appium.io/docs/en/commands/session/execute-driver for more details.
+     *
+     * @since Appium 1.14
+     * @param script the web driver script to execute (it should
+     *               be a valid webdriverio code snippet by default
+     *               unless another option is provided)
+     * @param options additional scripting options
+     * @throws org.openqa.selenium.WebDriverException if there was a failure while executing the script
+     * @return The script result
+     */
+    default ScriptValue executeDriverScript(String script, @Nullable ScriptOptions options) {
+        Map<String, Object> data = new HashMap<>();
+        data.put("script", checkNotNull(script));
+        if (options != null) {
+            data.putAll(options.build());
+        }
+        Response response = execute(EXECUTE_DRIVER_SCRIPT, data);
+        //noinspection unchecked
+        Map<String, Object> value = (Map<String, Object>) response.getValue();
+        //noinspection unchecked
+        return new ScriptValue(value.get("result"), (Map<String, Object>) value.get("logs"));
+    }
+
+    /**
+     * Run a set of scripts in scope of the current session with default options.
+     *
+     * @since Appium 1.14
+     * @param script the web driver script to execute (it should
+     *               be a valid webdriverio code snippet)
+     * @return The script result
+     */
+    default ScriptValue executeDriverScript(String script) {
+        return executeDriverScript(script, null);
+    }
+}

src/main/java/io/appium/java_client/MobileCommand.java

@@ -110,6 +110,7 @@ public class MobileCommand {
     protected static final String TOGGLE_AIRPLANE_MODE;
     protected static final String TOGGLE_DATA;
     protected static final String COMPARE_IMAGES;
+    protected static final String EXECUTE_DRIVER_SCRIPT;
 
     public static final Map<String, CommandInfo> commandRepository;
 
@@ -184,6 +185,7 @@ public class MobileCommand {
         TOGGLE_AIRPLANE_MODE = "toggleFlightMode";
         TOGGLE_DATA = "toggleData";
         COMPARE_IMAGES = "compareImages";
+        EXECUTE_DRIVER_SCRIPT = "executeDriverScript";
 
         commandRepository = new HashMap<>();
         commandRepository.put(RESET, postC("/session/:sessionId/appium/app/reset"));
@@ -268,6 +270,7 @@ public class MobileCommand {
         commandRepository.put(TOGGLE_AIRPLANE_MODE, postC("/session/:sessionId/appium/device/toggle_airplane_mode"));
         commandRepository.put(TOGGLE_DATA, postC("/session/:sessionId/appium/device/toggle_data"));
         commandRepository.put(COMPARE_IMAGES, postC("/session/:sessionId/appium/compare_images"));
+        commandRepository.put(EXECUTE_DRIVER_SCRIPT, postC("/session/:sessionId/appium/execute_driver"));
     }
 
     /**

src/main/java/io/appium/java_client/driverscripts/ScriptOptions.java

@@ -0,0 +1,66 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * See the NOTICE file distributed with this work for additional
+ * information regarding copyright ownership.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.appium.java_client.driverscripts;
+
+import com.google.common.collect.ImmutableMap;
+
+import java.util.Map;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static java.util.Optional.ofNullable;
+
+
+public class ScriptOptions {
+    private ScriptType scriptType;
+    private Long timeoutMs;
+
+    /**
+     * Sets the script type.
+     *
+     * @param type the actual script type
+     * @return self instance for chaining
+     */
+    public ScriptOptions withScriptType(ScriptType type) {
+        this.scriptType = checkNotNull(type);
+        return this;
+    }
+
+    /**
+     * Sets the script execution timeout.
+     * If this is not set then the maximum duration of the script
+     * is not limited (e. g. may block forever).
+     *
+     * @param timeoutMs the timeout in milliseconds
+     * @return self instance for chaining
+     */
+    public ScriptOptions withTimeout(long timeoutMs) {
+        this.timeoutMs = timeoutMs;
+        return this;
+    }
+
+    /**
+     * Builds a values map for further usage in HTTP requests to Appium.
+     *
+     * @return The map containing the provided options
+     */
+    public Map<String, Object> build() {
+        final ImmutableMap.Builder<String, Object> builder = ImmutableMap.builder();
+        ofNullable(scriptType).map(x -> builder.put("type", x.name().toLowerCase()));
+        ofNullable(timeoutMs).map(x -> builder.put("timeout", x));
+        return builder.build();
+    }
+}

src/main/java/io/appium/java_client/driverscripts/ScriptType.java

@@ -0,0 +1,21 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * See the NOTICE file distributed with this work for additional
+ * information regarding copyright ownership.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.appium.java_client.driverscripts;
+
+public enum ScriptType {
+    WEBDRIVERIO
+}

src/main/java/io/appium/java_client/driverscripts/ScriptValue.java

@@ -0,0 +1,51 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * See the NOTICE file distributed with this work for additional
+ * information regarding copyright ownership.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.appium.java_client.driverscripts;
+
+import javax.annotation.Nullable;
+import java.util.Map;
+
+public class ScriptValue {
+    private final Object result;
+    private final Map<String, Object> logs;
+
+    public ScriptValue(Object result, Map<String, Object> logs) {
+        this.result = result;
+        this.logs = logs;
+    }
+
+    /**
+     * The result of ExecuteDriverScript call.
+     *
+     * @return The actual returned value depends on the script content
+     */
+    @Nullable
+    public Object getResult() {
+        return result;
+    }
+
+    /**
+     * Retrieves logs mapping from ExecuteDriverScript call.
+     *
+     * @return Mapping keys are log levels, for example `warn` or
+     * `error` and the values are lists of strings that were printed
+     * by the script into the corresponding logging level
+     */
+    public Map<String, Object> getLogs() {
+        return logs;
+    }
+}