/**
 * This file is part of PaxmlSelenium.
 *
 * PaxmlSelenium is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PaxmlSelenium 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with PaxmlSelenium.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.paxml.selenium.webdriver;

import java.util.List;

import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.paxml.annotation.Util;
import org.paxml.core.Context;
import org.paxml.el.IUtilFunctionsFactory;

/**
 * WebDriver utils.
 * 
 * @author Xuetao Niu
 * 
 */
@Util("selenium")
public class WebDriverUtils implements IUtilFunctionsFactory {

    public Object getUtilFunctions(Context arg0) {
        return this;
    }

    /**
     * {@inheritDoc}
     */
    public Class<?> getXpathUtilFunctions(Context context) {
        return null;
    }

    public static boolean equalString(Object obj, String str) {
        if (obj == null) {
            obj = "";
        }
        if (str == null) {
            str = "";
        }
        return str.equals(obj.toString());
    }

    public static WebElement selectOne(WebDriver session, String selector) {
        SelectableTag tag = new SelectableTag();
        tag.setSession(session);
        tag.setSelector(selector);
        return tag.findElement(true);
    }

    public static List<WebElement> selectList(WebDriver session, String selector) {
        SelectableTag tag = new SelectableTag();
        tag.setSession(session);
        tag.setSelector(selector);
        return tag.findElements(true);
    }
}