Java swing仿酷狗音乐播放器

package com.baiting;import java.awt.Dimension;import java.awt.Toolkit;import com.baiting.menu.CloseWindow;/** * 窗口 * @author lmq * */public abstract class MusicWindow extends Music {  protected MusicFrame musicFrame;  private String title; private int locationX; private int locationY;  public MusicWindow() { title = getConfigMap().get("title").toString(); defaultLocation(); }  public MusicWindow(String title,int width,int height) { this.title = title; setWidth(width); setHeight(height); defaultLocation(); }  public MusicWindow(String title,int width,int height,int locationX,int locationY) { this.title = title; setWidth(width); setHeight(height); this.locationX = locationX; this.locationY = locationY; }  private void defaultLocation() { Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); locationX = (screenSize.width-getWidth())/2; locationY = (screenSize.height-getHeight())/2; }  protected MusicFrame createWindow() { musicFrame = new MusicFrame(); musicFrame.setTitle(title); musicFrame.setSize(getWidth(), getHeight()); //musicFrame.setLocation(locationX, locationY); musicFrame.setLocationRelativeTo(null); musicFrame.addWindowListener(new CloseWindow()); musicFrame.setMinimumSize(new Dimension(600, 450)); musicFrame.setVisible(true); return musicFrame; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public int getLocationX() { return locationX; } public void setLocationX(int locationX) { this.locationX = locationX; } public int getLocationY() { return locationY; } public void setLocationY(int locationY) { this.locationY = locationY; }   }

package com.baiting.service;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.File;import java.io.FileNotFoundException;import java.io.FileReader;import java.io.FileWriter;import java.io.IOException;import java.util.ArrayList;import java.util.List;import com.baiting.bean.DownFailSong;import com.baiting.bean.DownedSong;import com.baiting.http.DownloadSong;import com.baiting.util.StringUtil;public class DownloadSongService extends MusicService { private static DownloadSongService instance; private static Thread downloadThread;  private DownloadSongService() {  }  public static DownloadSongService getInstance() { if(null == instance) {  instance = new DownloadSongService(); } return instance; }  public void startDownload() { if(null == downloadThread) {  downloadThread = new Thread(new DownloadSong());  downloadThread.start(); } else {  if(!downloadThread.isAlive()) {  downloadThread.interrupt();  downloadThread = null;  downloadThread = new Thread(new DownloadSong());  downloadThread.start();  } } }   public List<DownedSong> getDownedSongAll() { File downedListFile = new File(getBasePath()+DOWNLOAD_PATH+"downed.list"); if(!downedListFile.exists()) {  try {  log.info("downed.list文件不存在，正在创建....");  downedListFile.createNewFile();  log.info("downed.list文件创建[成功]....");  } catch (IOException e) {  log.info("downed.list文件创建[失败--异常]....");  e.printStackTrace();  downedListFile = null;  return null;  } } try {  BufferedReader reader = new BufferedReader(new FileReader(downedListFile));   String line = reader.readLine();   List<DownedSong> list = new ArrayList<DownedSong>();   int count = 0;   if(!StringUtil.isEmpty(line)) {    while(line != null) {    count++;    String content = line.replace("/n", "").trim();   String[] cols = content.split(SEPARATOR);   if(cols.length>5) {   DownedSong downedSong = new DownedSong();   downedSong.setNo(count);   downedSong.setFileName(cols[0].trim());   downedSong.setSongName(cols[1].trim());   downedSong.setSinger(cols[2].trim());   downedSong.setFileSize(Double.parseDouble(cols[3].trim()));   downedSong.setPath(cols[4].trim());   downedSong.setCreateTime(cols[5].trim());   list.add(downedSong);   downedSong = null;   }   line = reader.readLine();    }   }   reader.close();   reader = null;   if(list.size()>0) {    return list;   }   return null; } catch (FileNotFoundException e) {  log.info("文件不存在...");  e.printStackTrace();  return null; } catch (IOException e) {  e.printStackTrace();  return null; } finally {  downedListFile = null; } }   /** * 扫描目录---未完成 * @return */ public List<DownedSong> getDownedSongByDir() { String downedSongDir = getDownloadSongPath(); File downedDir = new File(downedSongDir); if(downedDir.exists() && downedDir.isDirectory()) {  String[] fileList = downedDir.list();  for (int i = 0; i < fileList.length; i++) {    } } return null; }   /** * 判断歌曲是否存在(通过歌曲名和歌手) * @param songName * @param singer * @return */ public boolean existSongByInfo(String songName,String singer) { List<DownedSong> list = getDownedSongAll(); if(null == list || list.size()<1) {  return false; }  boolean flag = false; for(DownedSong downedSong : list) {  if(downedSong.getSongName().equals(songName) && downedSong.getSinger().equals(singer)) {  flag = true;  break;  } } list = null; return flag; }  /** * 已下载列表中加入新数据 * @param downedSong * @return */ public int addDownedSong(DownedSong downedSong) { File downedListFile = new File(getBasePath()+DOWNLOAD_PATH+"downed.list"); if(!downedListFile.exists()) {  try {  log.info("downed.list文件不存在，正在创建....");  downedListFile.createNewFile();  log.info("downed.list文件创建[成功]....");  } catch (IOException e) {  log.info("downed.list文件创建[失败--异常]....");  e.printStackTrace();  downedListFile = null;  return -1;  } } if(null != downedSong) {  String contents = downedSong.getFileName()+SEPARATOR+  downedSong.getSongName()+SEPARATOR+downedSong.getSinger()+SEPARATOR+  downedSong.getFileSize()+SEPARATOR+downedSong.getPath()+SEPARATOR+  downedSong.getCreateTime()+"/n";  try {  BufferedWriter writer = new BufferedWriter(new FileWriter(downedListFile,true));  writer.write(contents);  writer.flush();  writer.close();  writer = null;  List<DownedSong> lists = getDownedSongAll();  int count = lists.size();  lists = null;  return count;  } catch (IOException e) {  log.info(downedListFile.getName()+"文件信息写入[失败---异常]");  e.printStackTrace();  return -1;  } finally {  downedListFile = null;  downedSong = null;   } } return -1; }     /** * 获取所有下载失败的歌曲 * @return */ public List<DownFailSong> getDownFailSongAll() { File downedListFile = new File(getBasePath()+DOWNLOAD_PATH+"downFail.list"); if(!downedListFile.exists()) {  try {  log.info("downFail.list文件不存在，正在创建....");  downedListFile.createNewFile();  log.info("downFail.list文件创建[成功]....");  } catch (IOException e) {  log.info("downFail.list文件创建[失败--异常]....");  e.printStackTrace();  downedListFile = null;  return null;  } } try {  BufferedReader reader = new BufferedReader(new FileReader(downedListFile));   String line = reader.readLine();   List<DownFailSong> list = new ArrayList<DownFailSong>();   int count = 0;   if(!StringUtil.isEmpty(line)) {    while(line != null) {    count++;    String content = line.replace("/n", "").trim();   String[] cols = content.split(SEPARATOR);   if(cols.length>3) {   DownFailSong failSong = new DownFailSong();   failSong.setNo(count);   failSong.setSongName(cols[0].trim());   failSong.setSinger(cols[1].trim());   failSong.setFormat(cols[2].trim());   failSong.setFailTime(cols[3].trim());   list.add(failSong);   }   line = reader.readLine();    }   }   reader.close();   reader = null;   if(list.size()>0) {    return list;   }   return null; } catch (FileNotFoundException e) {  log.info("文件不存在...");  e.printStackTrace();  return null; } catch (IOException e) {  e.printStackTrace();  return null; } catch (Exception e) {  e.printStackTrace();  return null; } finally {  downedListFile = null; } }   /** * 已下载列表中加入新数据 * @param downedSong * @return */ public int addDownFailSong(DownFailSong downFailSong) { File downFailListFile = new File(getBasePath()+DOWNLOAD_PATH+"downFail.list"); if(!downFailListFile.exists()) {  try {  log.info("downFail.list文件不存在，正在创建....");  downFailListFile.createNewFile();  log.info("downFail.list文件创建[成功]....");  } catch (IOException e) {  log.info("downFail.list文件创建[失败--异常]....");  e.printStackTrace();  downFailSong = null;  return -1;  } } if(null != downFailSong) {  String contents = downFailSong.getSongName()+SEPARATOR+downFailSong.getSinger()+SEPARATOR+  downFailSong.getFormat()+SEPARATOR+downFailSong.getFailTime()+"/n";  try {  BufferedWriter writer = new BufferedWriter(new FileWriter(downFailListFile,true));  writer.write(contents);  writer.flush();  writer.close();  List<DownFailSong> lists = getDownFailSongAll();  return lists.size();  } catch (IOException e) {  log.info(downFailListFile.getName()+"文件信息写入[失败---异常]");  e.printStackTrace();  return -1;  } catch (Exception e) {  e.printStackTrace();  return -1;  } finally {  downFailSong = null;  contents = null;  } } return -1; }   /** * 删除下载失败的歌曲列表 * @param no * @return */ public boolean delDownFailSong(int no) { List<DownFailSong> lists = getDownFailSongAll(); if(null != lists && lists.size()>0 && lists.size()>=no && no>0) {  DownFailSong downFailSong = lists.get(no-1);  log.info("删除下载失败的歌曲《"+downFailSong.getSongName()+"》");  lists.remove(downFailSong);    StringBuffer strBuff = new StringBuffer();  if(null != lists && lists.size()>0) {  for(DownFailSong fs : lists) {   String contents = fs.getSongName()+SEPARATOR+fs.getSinger()+SEPARATOR+   fs.getFormat()+SEPARATOR+fs.getFailTime()+"/n";   strBuff.append(contents);  }  } else {  strBuff.append("");  }  File downFailListFile = new File(getBasePath()+DOWNLOAD_PATH+"downFail.list");  if(!downFailListFile.exists()) {  try {   log.info("downFail.list文件不存在，正在创建....");   downFailListFile.createNewFile();   log.info("downFail.list文件创建[成功]....");  } catch (IOException e) {   log.info("downFail.list文件创建[失败--异常]....");   e.printStackTrace();   return false;  } finally {   lists = null;  }  }  try {  BufferedWriter writer = new BufferedWriter(new FileWriter(downFailListFile,false));  writer.write(strBuff.toString());  writer.flush();  writer.close();  log.info("删除下载失败的歌曲《"+downFailSong.getSongName()+"》--成功---");  return true;  } catch (IOException e) {  log.info(downFailListFile.getName()+"文件信息写入[失败---异常]");  e.printStackTrace();  return false;  } finally {  lists = null;  downFailListFile = null;  downFailSong = null;  } } return false; }}