geb.driver.CallbackDriverFactory.groovy Maven / Gradle / Ivy

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Geb (pronounced "jeb") is a browser automation solution. It brings together the power of WebDriver, the elegance of jQuery content selection, the robustness of Page Object modelling and the expressiveness of the Groovy language.

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/* Copyright 2009 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * 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 geb.driver

import org.openqa.selenium.WebDriver

class CallbackDriverFactory implements DriverFactory {
	
	final private Closure callback
	
	CallbackDriverFactory(Closure callback) {
		this.callback = callback
	}
	
	WebDriver getDriver() {
		try {
			def driver = callback()
			if (!(driver instanceof WebDriver)) {
				throw new DriverCreationException("callback '${callback.toString()}' returned '$driver' which is not a WebDriver implementation")
			}
			driver
		} catch (Throwable e) {
			throw new DriverCreationException("failed to create driver from callback '${callback.toString()}'", e)
		}
	}
	
}