org.esupportail.sympa.portlet.services.UserAgentInspector.java Source code

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Here is the source code for org.esupportail.sympa.portlet.services.UserAgentInspector.java

Source

/**
 * Copyright (C) 2010 INSA LYON http://www.insa-lyon.fr
 * Copyright (C) 2010 Esup Portail http://www.esup-portail.org
 * @Author (C) 2010 Olivier Franco <Olivier.Franco@insa-lyon.fr>
 * @Contributor (C) 2010 Doriane Dusart <Doriane.Dusart@univ-valenciennes.fr>
 * @Contributor (C) 2010 Jean-Pierre Tran <Jean-Pierre.Tran@univ-rouen.fr>
 * @Contributor (C) 2010 Vincent Bonamy <Vincent.Bonamy@univ-rouen.fr>
 *
 * Licensed under the GPL License, (please see the LICENCE file)
 */

package org.esupportail.sympa.portlet.services;

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;

import javax.portlet.PortletRequest;

import org.springframework.beans.factory.InitializingBean;

public class UserAgentInspector implements InitializingBean {

    private List<String> userAgentMobile;

    private final List<Pattern> patterns = new ArrayList<Pattern>();

    public void setUserAgentMobile(List<String> userAgentMobile) {
        this.userAgentMobile = userAgentMobile;
    }

    public void afterPropertiesSet() {
        // Compile our patterns
        for (String userAgent : userAgentMobile) {
            patterns.add(Pattern.compile(userAgent));
        }
    }

    public boolean isMobile(PortletRequest req) {

        boolean isMobile = false;

        // Assertions.
        if (req == null) {
            String msg = "Argument 'req' cannot be null";
            throw new IllegalArgumentException(msg);
        }

        String userAgent = req.getProperty("user-agent");
        if (userAgent != null && patterns.size() != 0) {
            for (Pattern pattern : patterns) {
                if (pattern.matcher(userAgent).matches()) {
                    isMobile = true;
                    break;
                }
            }
        }

        return isMobile;

    }

}