com.googlecode.psiprobe.controllers.DecoratorController.java Source code

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Here is the source code for com.googlecode.psiprobe.controllers.DecoratorController.java

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/*
 * Licensed under the GPL License.  You may not use this file except in
 * compliance with the License.  You may obtain a copy of the License at
 *
 *     http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 *
 * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */
package com.googlecode.psiprobe.controllers;

import com.googlecode.psiprobe.UptimeListener;
import com.googlecode.psiprobe.Utils;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Properties;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.ParameterizableViewController;

/**
 * 
 * @author Vlad Ilyushchenko
 */
public class DecoratorController extends ParameterizableViewController {

    private String messagesBasename;

    public String getMessagesBasename() {
        return messagesBasename;
    }

    public void setMessagesBasename(String messagesBasename) {
        this.messagesBasename = messagesBasename;
    }

    protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        try {
            request.setAttribute("hostname", InetAddress.getLocalHost().getHostName());
        } catch (UnknownHostException e) {
            request.setAttribute("hostname", "unknown");
        }

        Properties version = (Properties) getApplicationContext().getBean("version");
        request.setAttribute("version", version.getProperty("probe.version"));

        Object uptimeStart = getServletContext().getAttribute(UptimeListener.START_TIME_KEY);
        if (uptimeStart != null && uptimeStart instanceof Long) {
            long l = ((Long) uptimeStart).longValue();
            long uptime = System.currentTimeMillis() - l;
            long uptime_days = uptime / (1000 * 60 * 60 * 24);

            uptime = uptime % (1000 * 60 * 60 * 24);
            long uptime_hours = uptime / (1000 * 60 * 60);

            uptime = uptime % (1000 * 60 * 60);
            long uptime_mins = uptime / (1000 * 60);

            request.setAttribute("uptime_days", new Long(uptime_days));
            request.setAttribute("uptime_hours", new Long(uptime_hours));
            request.setAttribute("uptime_mins", new Long(uptime_mins));
        }

        //
        // Work out the language of the interface by matching resource files that we have
        // to the request locale.
        //
        List fileNames = getMessageFileNamesForLocale(request.getLocale());
        String lang = "en";
        for (Iterator it = fileNames.iterator(); it.hasNext();) {
            String f = (String) it.next();
            if (getServletContext().getResource(f + ".properties") != null) {
                lang = f.substring(messagesBasename.length() + 1);
                break;
            }
        }

        request.setAttribute("lang", lang);

        return super.handleRequestInternal(request, response);
    }

    private List getMessageFileNamesForLocale(Locale locale) {
        return Utils.getNamesForLocale(messagesBasename, locale);
    }
}