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

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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
import geb.error.UnableToLoadAnyDriversException

class NameBasedDriverFactory implements DriverFactory {

	public static final String DRIVER_SEPARATOR = ":"

	final ClassLoader classLoader
	final String driverNames
	
	NameBasedDriverFactory(ClassLoader classLoader, String driverNames) {
		this.classLoader = classLoader
		this.driverNames = driverNames
	}
	
	WebDriver getDriver() {
		def potentials = getPotentialDriverClassNames()

		def driverClass
		for (potential in potentials) {
			driverClass = attemptToLoadDriverClass(potential)
			if (driverClass) break
		}
		
		if (driverClass) {
			driverClass.newInstance()
		} else {
			throw new UnableToLoadAnyDriversException(potentials as String[])
		}
	}
	
	protected attemptToLoadDriverClass(String driverClassName) {
		try {
			classLoader.loadClass(driverClassName)
		} catch (ClassNotFoundException e) {
			null
		}
	}
	
	protected getPotentialDriverClassNames() {
		driverNames.split(DRIVER_SEPARATOR).collect { 
			DriverRegistry.translateFromShortNameIfRequired(it)
		}
	}

}