Java tutorial
/* This file is part of Subsonic. Subsonic 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. Subsonic 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 Subsonic. If not, see <http://www.gnu.org/licenses/>. Copyright 2009 (C) Sindre Mehus */ package net.sourceforge.subsonic.controller; import static org.apache.commons.lang.StringUtils.removeEnd; import static org.apache.commons.lang.StringUtils.removeStart; import java.util.HashMap; import java.util.LinkedHashMap; import java.util.Map; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import net.sourceforge.subsonic.Logger; import net.sourceforge.subsonic.domain.MediaFile; import net.sourceforge.subsonic.service.MediaFileService; import net.sourceforge.subsonic.service.PlayerService; import net.sourceforge.subsonic.service.SettingsService; import net.sourceforge.subsonic.util.StringUtil; import org.springframework.web.bind.ServletRequestUtils; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.ParameterizableViewController; import com.github.hakko.musiccabinet.configuration.Uri; import com.github.hakko.musiccabinet.dao.util.URIUtil; /** * Controller for the page used to play videos. * * @author Sindre Mehus */ public class VideoPlayerController extends ParameterizableViewController { public static final int DEFAULT_BIT_RATE = 1000; public static final int[] BIT_RATES = { 200, 300, 400, 500, 700, 1000, 1200, 1500, 2000, 3000, 5000 }; private static final Logger LOG = Logger.getLogger(VideoPlayerController.class); private MediaFileService mediaFileService; private SettingsService settingsService; private PlayerService playerService; @Override protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception { LOG.debug("got request " + request.getParameter("id")); Map<String, Object> map = new HashMap<String, Object>(); Uri mediaFileUri = URIUtil.parseURI(removeEnd(removeStart(request.getParameter("id"), "["), "]")); LOG.debug("ask for id " + mediaFileUri); MediaFile file = mediaFileService.getMediaFile(mediaFileUri); int timeOffset = ServletRequestUtils.getIntParameter(request, "timeOffset", 0); timeOffset = Math.max(0, timeOffset); Short duration = file.getMetaData().getDuration(); short durationSeconds = 0; if (duration != null) { durationSeconds = duration.shortValue(); map.put("skipOffsets", createSkipOffsets(duration)); timeOffset = Math.min(duration, timeOffset); durationSeconds -= timeOffset; } map.put("video", file); map.put("player", playerService.getPlayer(request, response).getId()); map.put("maxBitRate", ServletRequestUtils.getIntParameter(request, "maxBitRate", DEFAULT_BIT_RATE)); map.put("popout", ServletRequestUtils.getBooleanParameter(request, "popout", false)); map.put("duration", durationSeconds); map.put("timeOffset", timeOffset); map.put("bitRates", BIT_RATES); ModelAndView result = super.handleRequestInternal(request, response); result.addObject("model", map); return result; } public static Map<String, Integer> createSkipOffsets(int durationSeconds) { LinkedHashMap<String, Integer> result = new LinkedHashMap<String, Integer>(); for (int i = 0; i < durationSeconds; i += 60) { result.put(StringUtil.formatDuration(i), i); } return result; } public void setMediaFileService(MediaFileService mediaFileService) { this.mediaFileService = mediaFileService; } public void setSettingsService(SettingsService settingsService) { this.settingsService = settingsService; } public void setPlayerService(PlayerService playerService) { this.playerService = playerService; } }