基于JMF的简易播放器

import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.media.*; import java.io.*; import java.net.URL; import java.util.*; public class MediaPlayer extends JFrame implements ActionListener,Runnable { /** * */ private static final long serialVersionUID = 1L; private JMenuBar bar;//菜单条 private JMenu fileMenu,choiceMenu,aboutMenu; private JMenuItem openItem,openDirItem,closeItem,about,infor; private JCheckBoxMenuItem onTop; private boolean top=false; //设定窗口是否在最前面 private Player player;//Play是个实现Controller的接口 private File file,listFile;//利用File类结合JFileChooser和list.ini进行文件打开等操作操作 private Container c; private String title;//标题 private FileDialog fd; private JPanel panel,panelSouth; private Icon icon; //开始进入的时候要显示的图标，它为抽象类，不能自己创建 private JLabel label,listB;//用来显示图标 private JList list;//播放清单 private JScrollPane scroll;//使播放清单具有滚动功能 private ObjectOutputStream output;//对象输出流 private JPopupMenu popupMenu;//鼠标右键弹出菜单 private JMenuItem del,delAll,reName; //弹出菜单显示的菜单项,包括删除,全部删除和重命名 @SuppressWarnings("unchecked") private Vector<String> fileName,dirName,numList; private String files; private int index;//曲目指针 private int indexForDel;//标志要删除的列表项目的索引 private ButtonGroup buttonGroup;//控制按钮组 private JRadioButtonMenuItem[] buttonValues; private String[] content={"随机播放","顺序播放","单曲循环"}; MediaPlayer()//构造函数 { super("java音频播放器");//窗口标题 c=getContentPane(); c.setLayout(new BorderLayout()); fileName=new Vector<String>(1); dirName=new Vector<String>(1); numList=new Vector<String>(1); new Properties(System.getProperties()); listFile=new File("list.text");//播放列表直接存于此目录 Thread readToList=new Thread(this); list=new JList(); list.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION); list.setFixedCellHeight(25); //播放列表高度 list.setFont(new Font("Serif",Font.PLAIN,15)); //文件名高度 list.setBackground(new Color(0,0,255)); //判断，双击歌曲播放 list.addMouseListener(new MouseAdapter() { public void mouseClicked(MouseEvent e) { if (e.getClickCount() == 2) //双击歌曲播放 { index = list.locationToIndex(e.getPoint()); createPlayer2(); } } public void mouseReleased(MouseEvent e) { checkMenu(e);//自定义函数，判断是否是右键，来决定是否显示菜单 } } ); scroll=new JScrollPane(list);//用于存放播放列表 readToList.start(); try { Thread.sleep(10); } catch(InterruptedException e) { e.printStackTrace(); } bar=new JMenuBar(); setJMenuBar(bar);//此两行创建菜单栏并放到此窗口程序 bar.setBackground(new Color(255,255,100)); //标题栏背景颜色 fileMenu=new JMenu("文件"); bar.add(fileMenu); choiceMenu=new JMenu("控制"); bar.add(choiceMenu); aboutMenu=new JMenu("关于"); bar.add(aboutMenu); openItem =new JMenuItem("打开文件"); openDirItem =new JMenuItem("打开目录"); closeItem =new JMenuItem("退出程序"); openItem.addActionListener(this); openDirItem.addActionListener(this); closeItem.addActionListener(this); fileMenu.add(openItem); fileMenu.add(openDirItem); fileMenu.add(closeItem); onTop=new JCheckBoxMenuItem("播放时位于最前面",top); choiceMenu.add(onTop); onTop.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent e) { if(onTop.isSelected()) top=true; else top=false; setAlwaysOnTop(top); } } ); choiceMenu.addSeparator(); buttonGroup=new ButtonGroup(); buttonValues=new JRadioButtonMenuItem[3]; for(int bt=0;bt<3;bt++) { buttonValues[bt]=new JRadioButtonMenuItem(content[bt]); buttonGroup.add(buttonValues[bt]); choiceMenu.add(buttonValues[bt]); } buttonValues[0].setSelected(true); choiceMenu.addSeparator(); about=new JMenuItem("关于作者"); about.addActionListener(this); aboutMenu.add(about); //菜单栏设置完毕 panel=new JPanel(); panel.setLayout(new BorderLayout()); c.add(panel,BorderLayout.CENTER); panelSouth=new JPanel(); panelSouth.setLayout(new BorderLayout()); c.add(panelSouth,BorderLayout.SOUTH); icon=new ImageIcon("icon\\Player.jpg"); label=new JLabel(icon); panel.add(label); //歌曲播放列表添加删除操作 popupMenu=new JPopupMenu(); del =new JMenuItem("删除");//鼠标右键弹出菜单对象实例化 popupMenu.add(del); del.addActionListener(this); delAll =new JMenuItem("全部删除"); popupMenu.add(delAll); delAll.addActionListener(this); reName =new JMenuItem("重命名"); popupMenu.add(reName); reName.addActionListener(this); scroll=new JScrollPane(list);//用于存放播放列表 listB=new JLabel(new ImageIcon("icon\\qingdan.gif"),SwingConstants.CENTER); panelSouth.add(listB,BorderLayout.NORTH); panelSouth.add(scroll,BorderLayout.CENTER); this.setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);//设定窗口关闭方式 this.setLocation(400,250);//设定窗口出现的位置 //窗口大小 setSize(350,330); this.setResizable(false); this.setVisible(true);//此句不可少，否则窗口会不显示 } public void actionPerformed(ActionEvent e) { if(e.getSource()==openItem) { openFile(); } if(e.getSource()==openDirItem) { openDir(); } if(e.getSource()==closeItem) { exity_n(); } if(e.getSource()==about) { JOptionPane.showMessageDialog(this,"JAVA媒体播放器\n" +"2008科技立项\n "+"数媒0602 顾桂荣 马晓斌 谈一超 蒋泽杰 ","asdasdasdasd" ,JOptionPane.INFORMATION_MESSAGE); } if(e.getSource()==del) { //index //delPaintList(index); fileName.removeElementAt(indexForDel); dirName.removeElementAt(indexForDel); numList.removeAllElements(); Enumeration<String> enumFile=fileName.elements(); while(enumFile.hasMoreElements()) { numList.addElement((numList.size()+1)+"."+enumFile.nextElement()); } //list.setListData(fileName); list.setListData(numList); if(index<indexForDel) list.setSelectedValue(numList.elementAt(index),true); else { if(index==indexForDel); else if(index!=0) list.setSelectedValue(numList.elementAt(index-1),true); } //list.setSelectedIndex(index); } if(e.getSource()==delAll) { fileName.removeAllElements(); dirName.removeAllElements(); numList.removeAllElements(); list.setListData(numList); } if(e.getSource()==reName) { String name;//JOptionPane.showInputDialog(this,"请输入新的名字"); 重命名歌曲 try { name=reNames(); fileName.setElementAt(name,indexForDel); numList.setElementAt((indexForDel+1)+"."+name,indexForDel); } catch(ReName e2) //该部分代码错误？！ { } } if(e.getSource()==infor) { } } public static void main(String[] args) { final MediaPlayer mp=new MediaPlayer(); mp.setIconImage(new ImageIcon("icon\\mPlayer.jpg").getImage());//改变默认图标 mp.addWindowListener(new WindowAdapter()//注册窗口事件 { public void windowClosing(WindowEvent e) { //System.exit(0); mp.exity_n(); } } ); } //打开文件 private void openFile() { fd = new FileDialog(MediaPlayer.this); fd.setVisible(true); if (fd.getFile() != null) { title = fd.getDirectory() + fd.getFile(); files=fd.getFile(); file=new File(title); createPlayer(); } } //路径错误抛出 private void openDir() { JFileChooser fileChooser=new JFileChooser(); fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY); int result=fileChooser.showOpenDialog(MediaPlayer.this); if(result==JFileChooser.CANCEL_OPTION) return; file=fileChooser.getSelectedFile(); if(file==null||file.getName().equals("")) JOptionPane.showMessageDialog(this,"错误的路径", "出错了",JOptionPane.ERROR_MESSAGE); String[] sFiles=file.list(); for(int i=0;i<sFiles.length;i++) { fileName.addElement(sFiles[i]); numList.addElement((numList.size()+1)+"."+sFiles[i]); dirName.ad