ru.stqa.selenium.factory.ReflectionBasedInstanceCreator Maven / Gradle / Ivy
/*
* Copyright 2014 Alexei Barantsev
*
* 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 ru.stqa.selenium.factory;
import org.openqa.selenium.Capabilities;
import org.openqa.selenium.WebDriver;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
public class ReflectionBasedInstanceCreator {
private String driverClassName;
public ReflectionBasedInstanceCreator(String driverClassName) {
this.driverClassName = driverClassName;
}
private Class getDriverClass() {
try {
return Class.forName(driverClassName).asSubclass(WebDriver.class);
} catch (ClassNotFoundException | NoClassDefFoundError e) {
throw new DriverCreationError("Driver class not found: " + driverClassName, e);
} catch (UnsupportedClassVersionError e) {
throw new DriverCreationError("Driver class is built for higher Java version: " + driverClassName, e);
}
}
public WebDriver createDriver(Capabilities capabilities) {
return callConstructor(getDriverClass(), capabilities);
}
private WebDriver callConstructor(Class from, Capabilities capabilities) {
try {
Constructor constructor = from.getConstructor(Capabilities.class);
return constructor.newInstance(capabilities);
} catch (NoSuchMethodException e) {
try {
return from.newInstance();
} catch (InstantiationException | IllegalAccessException e1) {
throw new DriverCreationError(e);
}
} catch (InvocationTargetException | InstantiationException | IllegalAccessException e) {
throw new DriverCreationError(e);
}
}
}