org.mashupmedia.controller.configuration.EncodingConfigurationController.java Source code

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Here is the source code for org.mashupmedia.controller.configuration.EncodingConfigurationController.java

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/*
 *  This file is part of MashupMedia.
 *
 *  MashupMedia is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  MashupMedia is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with MashupMedia.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.mashupmedia.controller.configuration;

import java.io.File;
import java.io.IOException;
import java.util.List;

import org.apache.commons.lang.math.NumberUtils;
import org.apache.commons.lang3.BooleanUtils;
import org.apache.log4j.Logger;
import org.mashupmedia.constants.MashUpMediaConstants;
import org.mashupmedia.controller.BaseController;
import org.mashupmedia.encode.FfMpegManager;
import org.mashupmedia.encode.ProcessManager;
import org.mashupmedia.service.ConfigurationManager;
import org.mashupmedia.util.MessageHelper;
import org.mashupmedia.validator.EncodingPageValidator;
import org.mashupmedia.web.Breadcrumb;
import org.mashupmedia.web.page.EncodingPage;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.SessionAttributes;

@Controller
@SessionAttributes("encodingPage")
public class EncodingConfigurationController extends BaseController {

    private final static String PAGE_NAME = "encoding";
    private final static String PAGE_PATH = "configuration/" + PAGE_NAME;
    private final static String PAGE_URL = "/" + PAGE_PATH;

    private Logger logger = Logger.getLogger(getClass());

    @Autowired
    private ConfigurationManager configurationManager;

    @Autowired
    private FfMpegManager encodeManager;

    @Override
    public String getPageTitleMessageKey() {
        return "encoding.title";
    }

    @Override
    public void prepareBreadcrumbs(List<Breadcrumb> breadcrumbs) {
        Breadcrumb configurationBreadcrumb = new Breadcrumb(MessageHelper.getMessage("breadcrumb.configuration"),
                "/app/configuration");
        breadcrumbs.add(configurationBreadcrumb);

        Breadcrumb networkBreadcrumb = new Breadcrumb(
                MessageHelper.getMessage("breadcrumb.configuration.encoding"));
        breadcrumbs.add(networkBreadcrumb);
    }

    @RequestMapping(value = PAGE_URL, method = RequestMethod.GET)
    public String getEncodingConfiguration(Model model) {
        EncodingPage encodingPage = new EncodingPage();
        String ffMpegFolderPath = encodeManager.getFFMpegFolderPath();
        encodingPage.setFfmpegFolderPath(ffMpegFolderPath);

        String ffMpegFilePath = "";
        File ffMpegFile = encodeManager.findFFMpegExecutable();
        boolean isFfmpegValid = false;
        if (ffMpegFile != null) {
            try {
                if (encodeManager.isValidFfMpeg(ffMpegFile)) {
                    ffMpegFilePath = ffMpegFile.getAbsolutePath();
                    isFfmpegValid = true;
                }
            } catch (IOException e) {
                encodingPage.setAdditionalErrorMessage(e.getLocalizedMessage());
                logger.error("Error running ffmpeg: " + ffMpegFilePath, e);
            }

        }
        encodingPage.setFfMpegFound(isFfmpegValid);
        configurationManager.saveConfiguration(MashUpMediaConstants.IS_FFMPEG_INSTALLED,
                BooleanUtils.toStringTrueFalse(isFfmpegValid));
        configurationManager.saveConfiguration(MashUpMediaConstants.FFMPEG_PATH, ffMpegFilePath);

        int totalFfmpegProcesses = NumberUtils
                .toInt(configurationManager.getConfigurationValue(ProcessManager.KEY_TOTAL_FFMPEG_PROCESSES));
        encodingPage.setTotalFfmpegProcesses(totalFfmpegProcesses);

        model.addAttribute(encodingPage);
        return PAGE_PATH;
    }

    @RequestMapping(value = PAGE_URL, method = RequestMethod.POST)
    public String processSubmitUser(@ModelAttribute("encodingPage") EncodingPage encodingPage,
            BindingResult bindingResult, Model model) {

        new EncodingPageValidator().validate(encodingPage, bindingResult);
        if (bindingResult.hasErrors()) {
            return PAGE_PATH;
        }

        int totalFfmpegprocesses = encodingPage.getTotalFfmpegProcesses();
        configurationManager.saveConfiguration(ProcessManager.KEY_TOTAL_FFMPEG_PROCESSES,
                String.valueOf(totalFfmpegprocesses));

        return "redirect:/app/" + PAGE_PATH;
    }

}