WebBrowserUtil.java

/*
 * Copyright 2014 James Pether Sörling
 *
 * 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.
 *
 *  $Id$
 *  $HeadURL$
*/
package com.hack23.cia.web.impl.ui.application.util;

import javax.servlet.http.HttpServletRequest;

import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import com.vaadin.server.WebBrowser;

/**
 * The Class WebBrowserUtil.
 */
public final class WebBrowserUtil {

    /** The Constant UNKNOWN. */
    private static final String UNKNOWN = "unknown";

    /** The Constant I_PHONE. */
    private static final String I_PHONE = "IPhone";

    /** The Constant IPAD. */
    private static final String IPAD = "IPad";

    /** The Constant IOS. */
    private static final String IOS = "IOS";

    /** The Constant ANDROID. */
    private static final String ANDROID = "Android";

    /** The Constant MAC_OSX. */
    private static final String MAC_OSX = "MacOSX";

    /** The Constant WINDOWS_PHONE. */
    private static final String WINDOWS_PHONE = "WindowsPhone";

    /** The Constant WINDOWS2. */
    private static final String WINDOWS2 = "Windows";

    /** The Constant LINUX. */
    private static final String LINUX = "Linux";

    /** The Constant X_FORWARDED_FOR. */
    private static final String X_FORWARDED_FOR = "X-Forwarded-For";

    /**
     * Instantiates a new web browser util.
     */
    private WebBrowserUtil() {
        super();
    }


    /**
     * Gets the ip information.
     *
     * @param webBrowser
     *            the web browser
     * @return the ip information
     */
    public static String getIpInformation(final WebBrowser webBrowser) {
        String ipInformation=webBrowser.getAddress();

        final HttpServletRequest httpRequest=((ServletRequestAttributes)RequestContextHolder.currentRequestAttributes()).getRequest();
        final String xForwardedForHeader = httpRequest.getHeader(X_FORWARDED_FOR);
        if (xForwardedForHeader != null) {
            final String[] split = xForwardedForHeader.split(",");
            if (split.length != 0) {
                ipInformation = split[0];
            }
        }
        return ipInformation;
    }


    /**
     * Gets the operating system.
     *
     * @param webBrowser
     *            the web browser
     * @return the operating system
     */
    public static String getOperatingSystem(final WebBrowser webBrowser) {
        String osName = UNKNOWN;
           if (webBrowser.isLinux()) {
            osName = LINUX;
        } else if (webBrowser.isWindows()) {
            osName = WINDOWS2;
        } else if (webBrowser.isWindowsPhone()) {
            osName = WINDOWS_PHONE;
        } else if (webBrowser.isMacOSX()) {
            osName = MAC_OSX;
        } else if (webBrowser.isAndroid()) {
            osName = ANDROID;
        } else if (webBrowser.isIOS()) {
            osName = IOS;
        } else if (webBrowser.isIPad()) {
            osName = IPAD;
        } else if (webBrowser.isIPhone()) {
            osName = I_PHONE;
        }
        return osName;
    }


}