com.whaleal.icefrog.http.useragent.UserAgentParser Maven / Gradle / Ivy

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package com.whaleal.icefrog.http.useragent;

import com.whaleal.icefrog.core.util.StrUtil;

/**
 * User-Agent解析器
 *
 * @author Looly
 * @author wh
 * @since 1.0.0
 */
public class UserAgentParser {

    /**
     * 解析User-Agent
     *
     * @param userAgentString User-Agent字符串
     * @return {@link UserAgent}
     */
    public static UserAgent parse( String userAgentString ) {
        if (StrUtil.isBlank(userAgentString)) {
            return null;
        }
        final UserAgent userAgent = new UserAgent();

        // 浏览器
        final Browser browser = parseBrowser(userAgentString);
        userAgent.setBrowser(browser);
        userAgent.setVersion(browser.getVersion(userAgentString));

        // 浏览器引擎
        final Engine engine = parseEngine(userAgentString);
        userAgent.setEngine(engine);
        userAgent.setEngineVersion(engine.getVersion(userAgentString));

        // 操作系统
        final OS os = parseOS(userAgentString);
        userAgent.setOs(os);
        userAgent.setOsVersion(os.getVersion(userAgentString));

        // 平台
        final Platform platform = parsePlatform(userAgentString);
        userAgent.setPlatform(platform);
        userAgent.setMobile(platform.isMobile() || browser.isMobile());


        return userAgent;
    }

    /**
     * 解析浏览器类型
     *
     * @param userAgentString User-Agent字符串
     * @return 浏览器类型
     */
    private static Browser parseBrowser( String userAgentString ) {
        for (Browser browser : Browser.browers) {
            if (browser.isMatch(userAgentString)) {
                return browser;
            }
        }
        return Browser.Unknown;
    }

    /**
     * 解析引擎类型
     *
     * @param userAgentString User-Agent字符串
     * @return 引擎类型
     */
    private static Engine parseEngine( String userAgentString ) {
        for (Engine engine : Engine.engines) {
            if (engine.isMatch(userAgentString)) {
                return engine;
            }
        }
        return Engine.Unknown;
    }

    /**
     * 解析系统类型
     *
     * @param userAgentString User-Agent字符串
     * @return 系统类型
     */
    private static OS parseOS( String userAgentString ) {
        for (OS os : OS.oses) {
            if (os.isMatch(userAgentString)) {
                return os;
            }
        }
        return OS.Unknown;
    }

    /**
     * 解析平台类型
     *
     * @param userAgentString User-Agent字符串
     * @return 平台类型
     */
    private static Platform parsePlatform( String userAgentString ) {
        for (Platform platform : Platform.platforms) {
            if (platform.isMatch(userAgentString)) {
                return platform;
            }
        }
        return Platform.Unknown;
    }
}