org.springframework.springfaces.integrationtest.selenium.PooledWebDriverManager.java Source code

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Here is the source code for org.springframework.springfaces.integrationtest.selenium.PooledWebDriverManager.java

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/*
 * Copyright 2010-2012 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 org.springframework.springfaces.integrationtest.selenium;

import java.util.ArrayList;
import java.util.List;

import org.openqa.selenium.WebDriver;
import org.springframework.util.Assert;

/**
 * A Pooled {@link WebDriverManager} that reuses web driver connections. A {@link Runtime} release hook ensures all
 * drivers are closed when the JVM exits.
 * 
 * @author Phillip Webb
 */
public class PooledWebDriverManager implements WebDriverManager {

    private WebDriverFactory factory;

    private List<WebDriver> pool = new ArrayList<WebDriver>();

    public PooledWebDriverManager(WebDriverFactory factory) {
        Assert.notNull(factory, "Factory must not be null");
        this.factory = factory;
        Runtime.getRuntime().addShutdownHook(new Thread() {
            @Override
            public void run() {
                fullyReleasePool();
            }
        });
    }

    public WebDriver getWebDriver() {
        synchronized (pool) {
            if (!pool.isEmpty()) {
                return pool.remove(0);
            }
        }
        return factory.newWebDriver();
    }

    public void releaseWebDriver(WebDriver webDriver) {
        synchronized (pool) {
            pool.add(webDriver);
        }
    }

    protected void fullyReleasePool() {
        synchronized (pool) {
            for (WebDriver webDriver : pool) {
                webDriver.close();
            }
        }
    }
}