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 net.sourceforge.subsonic.domain.MediaFile; import net.sourceforge.subsonic.service.MediaFileService; import net.sourceforge.subsonic.service.metadata.MetaData; import net.sourceforge.subsonic.service.metadata.MetaDataParser; import net.sourceforge.subsonic.service.metadata.MetaDataParserFactory; import org.apache.commons.lang.math.NumberUtils; import org.springframework.web.servlet.mvc.ParameterizableViewController; import org.springframework.web.servlet.ModelAndView; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.util.Map; import java.util.HashMap; /** * Controller for the lyrics popup. * * @author Sindre Mehus */ public class LyricsController extends ParameterizableViewController { private MediaFileService mediaFileService; private MetaDataParserFactory metaDataParserFactory; protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception { Map<String, Object> map = new HashMap<String, Object>(); int mediaFileId = NumberUtils.toInt(request.getParameter("id")); if (mediaFileId > 0) { MediaFile mediaFile = mediaFileService.getMediaFile(mediaFileId); MetaData metaData = null; String lyrics = null; MetaDataParser parser = metaDataParserFactory.getParser(mediaFile.getFile()); if (parser != null) { metaData = parser.getMetaData(mediaFile.getFile()); lyrics = metaData.getLyrics(); map.put("lyrics", lyrics); } } map.put("artist", request.getParameter("artist")); map.put("song", request.getParameter("song")); ModelAndView result = super.handleRequestInternal(request, response); result.addObject("model", map); return result; } public void setMetaDataParserFactory(MetaDataParserFactory metaDataParserFactory) { this.metaDataParserFactory = metaDataParserFactory; } public void setMediaFileService(MediaFileService mediaFileService) { this.mediaFileService = mediaFileService; } }