基于WindowsMediaPlayer网页播放器的设计与实现源码

import java.io.File; import java.io.FileOutputStream; import java.util.Collection; import java.util.Scanner; import java.util.stream.Collectors; import org.apache.commons.io.FileUtils; import org.apache.commons.io.FilenameUtils; import org.dom4j.Document; import org.dom4j.DocumentHelper; import org.dom4j.Element; import org.dom4j.io.OutputFormat; import org.dom4j.io.XMLWriter; import org.eclipse.jetty.server.Server; import org.eclipse.jetty.server.handler.ResourceHandler; public abstract class KAPlayerUtils { public static final String BASE_DIR = System.getProperty("user.dir"); protected static final class WebServer { public static final WebServer DEFAULT_WEB_SERVER = new WebServer(8121, "/web"); private Server webServer; public WebServer(int port, String webDirectory) { // initialize web server webServer = new Server(port); ResourceHandler resourceHandler = new ResourceHandler(); resourceHandler.setResourceBase(BASE_DIR + webDirectory); webServer.setHandler(resourceHandler); } public void start(int port) throws Exception { if (webServer.isStopped()) { webServer.start(); } } public void stop() throws Exception { webServer.stop(); webServer.destroy(); } } public static void export(File directory, String playlistXml) throws Exception { // list all audio files Collection<File> audioFiles = FileUtils.listFiles(directory, new String[] { "asf", "mpeg-1", "mpeg-2", "wav", "avi", "midi", "vod", "au", "mp3" }, true); // create audio document Element rootElem = DocumentHelper.createElement("playlist"); Document audioDoc = DocumentHelper.createDocument(rootElem); if (audioFiles != null && !audioFiles.isEmpty()) { // sort files by modified audioFiles = audioFiles.stream().sorted((File audioFile1, File audioFile2) -> Long.compare(audioFile2.lastModified(), audioFile1.lastModified()) ).collect(Collectors.toList()); // add audio Elements for (File audioFile : audioFiles) { String audioName = FilenameUtils.getBaseName(audioFile.getName()); String audioUrl = "file:///" + FilenameUtils.separatorsToUnix(audioFile.getPath()); Element musicElem = rootElem.addElement("music"); musicElem.addElement("name").setText(audioName); musicElem.addElement("url").setText(audioUrl); } } // format and output audio document OutputFormat xmlFormat = OutputFormat.createPrettyPrint(); xmlFormat.setIndent(" "); xmlFormat.setNewLineAfterDeclaration(false); XMLWriter xmlWriter = null; try { xmlWriter = new XMLWriter(new FileOutputStream(new File(BASE_DIR, playlistXml)), xmlFormat); xmlWriter.write(audioDoc); } finally { if (xmlWriter != null) { xmlWriter.close(); } } } public static void main(String[] args) { System.out.println(">>>>>> START >>>>>>"); try (Scanner scanner = new Scanner(System.in)) { // export audio playlist System.out.print("Do you want to export audio files? (yes/enter others to continue): "); if ("yes".equals(scanner.nextLine())) { System.out.print("Audio files directory: "); KAPlayerUtils.export(new File(scanner.nextLine()), "/web/xml/playlist.xml"); } // start web server KAPlayerUtils.WebServer webServer = KAPlayerUtils.WebServer.DEFAULT_WEB_SERVER; webServer.start(8121); System.out.println("Web server url is 'http://localhost:8121/', you can stop the web server by entering 'yes'."); while (true) { if ("yes".equals(scanner.nextLine())) { break; } } webServer.stop(); } catch (Exception e) { e.printStackTrace(); } System.out.println("<<<<<< END <<<<<<"); } }