com.sfs.beans.DetectBrowserBean.java Source code

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Here is the source code for com.sfs.beans.DetectBrowserBean.java

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/*******************************************************************************
 * Copyright (c) 2009 David Harrison.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl-3.0.html
 *
 * Contributors:
 *     David Harrison - initial API and implementation
 ******************************************************************************/
package com.sfs.beans;

import java.io.Serializable;
import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang.StringUtils;

import nl.bitwalker.useragentutils.UserAgent;

/**
 * The Class DetectBrowserBean.
 */
public final class DetectBrowserBean implements Serializable {

    /** The Constant serialVersionUID. */
    private static final long serialVersionUID = 1L;

    /** The browser name. */
    private String browserName;

    /** The browser version summary - the default is Mozilla/Firefox. */
    private String version = "mozilla";

    /**
     * Sets the request.
     *
     * @param req the new request
     */
    public void setRequest(final HttpServletRequest req) {
        final String ua = req.getHeader("User-Agent");

        final UserAgent userAgent = UserAgent.parseUserAgentString(ua);
        this.browserName = userAgent.getBrowser().getName();

        if (StringUtils.contains(this.browserName, "Safari")) {
            this.version = "safari";
        }
        if (StringUtils.contains(this.browserName, "Chrome")) {
            this.version = "chrome";
        }
        if (StringUtils.contains(this.browserName, "Internet Explorer")) {
            // Assume IE8 unless proven otherwise later
            this.version = "ie8";
        }
        if (StringUtils.contains(this.browserName, "Internet Explorer 7")) {
            this.version = "ie7";
        }
        if (StringUtils.contains(this.browserName, "Internet Explorer 6")
                || StringUtils.contains(this.browserName, "Internet Explorer 5")) {
            this.version = "ie6";
        }
    }

    /**
     * Returns a short string for the browser version.
     *
     * @return the browser version
     */
    public String getVersion() {
        return this.version;
    }

    /**
     * Returns a boolean indicating whether the browser is a legacy version of IE.
     *
     * @return the boolean for the legacy IE flag
     */
    public boolean isLegacyIE() {
        boolean legacy = false;

        if (StringUtils.equals(this.version, "ie6") || StringUtils.equals(this.version, "ie7")) {
            legacy = true;
        }
        return legacy;
    }

    /**
     * Returns a boolean indicating whether the browser is any version of IE.
     *
     * @return the boolean for the IE flag
     */
    public boolean isIE() {
        boolean ie = false;

        if (StringUtils.startsWith(this.version, "ie")) {
            ie = true;
        }
        return ie;
    }
}