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/*
* SonarQube, open source software quality management tool.
* Copyright (C) 2008-2014 SonarSource
* mailto:contact AT sonarsource DOT com
*
* SonarQube is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* SonarQube is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package util.selenium;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Set;
import org.openqa.selenium.remote.RemoteWebDriver;
import org.openqa.selenium.remote.UnreachableBrowserException;
class ThreadSafeDriver {
private ThreadSafeDriver() {
// Static class
}
static SeleniumDriver makeThreadSafe(final RemoteWebDriver driver) {
Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
@Override
public void run() {
try {
driver.quit();
} catch (UnreachableBrowserException e) {
// Ignore. The browser was killed properly
}
}
}));
return (SeleniumDriver) Proxy.newProxyInstance(
Thread.currentThread().getContextClassLoader(),
findInterfaces(driver),
new InvocationHandler() {
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
if (method.getName().equals("quit")) {
return null; // We don't want anybody to quit() our (per thread) driver
}
try {
return method.invoke(driver, args);
} catch (InvocationTargetException e) {
throw e.getCause();
}
}
});
}
private static Class[] findInterfaces(Object driver) {
Set<Class<?>> interfaces = new LinkedHashSet<>();
interfaces.add(SeleniumDriver.class);
for (Class<?> parent = driver.getClass(); parent != null; ) {
Collections.addAll(interfaces, parent.getInterfaces());
parent = parent.getSuperclass();
}
return interfaces.toArray(new Class[interfaces.size()]);
}
}
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