Android应用源码通用DLNA实现手机电视同步播放

package com.talent.allshare.util; import java.io.BufferedInputStream; import java.io.BufferedWriter; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.FileWriter; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.RandomAccessFile; import java.util.Enumeration; import java.util.zip.ZipEntry; import java.util.zip.ZipFile; import java.util.zip.ZipInputStream; import java.util.zip.ZipOutputStream; import org.cybergarage.util.CommonLog; import org.cybergarage.util.LogFactory; import android.content.ContentResolver; import android.content.Context; import android.net.Uri; import android.os.ParcelFileDescriptor; public class FileHelper { private static final CommonLog log = LogFactory.createLog(); private static final int FILE_BUFFER_SIZE = 51200; public static boolean fileIsExist(String filePath) { if (filePath == null || filePath.length() < 1) { log.e("param invalid, filePath: " + filePath); return false; } File f = new File(filePath); if (!f.exists()) { return false; } return true; } public static InputStream readFile(String filePath) { if (null == filePath) { log.e("Invalid param. filePath: " + filePath); return null; } InputStream is = null; try { if (fileIsExist(filePath)) { File f = new File(filePath); is = new FileInputStream(f); } else { return null; } } catch (Exception ex) { log.e("Exception, ex: " + ex.toString()); return null; } return is; } public static boolean createDirectory(String filePath){ if (null == filePath) { return false; } File file = new File(filePath); if (file.exists()){ return true; } file.mkdirs(); return true; } public static boolean deleteDirectory(String filePath) { if (null == filePath) { log.e("Invalid param. filePath: " + filePath); return false; } File file = new File(filePath); if (file == null || !file.exists()) { return false; } if (file.isDirectory()) { File[] list = file.listFiles(); for (int i = 0; i < list.length; i++) { log.d("delete filePath: " + list[i].getAbsolutePath()); if (list[i].isDirectory()) { deleteDirectory(list[i].getAbsolutePath()); } else { list[i].delete(); } } } log.d("delete filePath: " + file.getAbsolutePath()); file.delete(); return true; } public static boolean writeFile(String filePath, InputStream inputStream) { if (null == filePath || filePath.length() < 1) { log.e("Invalid param. filePath: " + filePath); return false; } try { File file = new File(filePath); if (file.exists()) { deleteDirectory(filePath); } String pth = filePath.substring(0, filePath.lastIndexOf("/")); boolean ret = createDirectory(pth); if (!ret){ log.e("createDirectory fail path = " + pth); return false; } boolean ret1 = file.createNewFile(); if (!ret){ log.e("createNewFile fail filePath = " + filePath); return false; } FileOutputStream fileOutputStream = new FileOutputStream(file); byte[] buf = new byte[1024]; int c = inputStream.read(buf); while(-1 != c) { fileOutputStream.write(buf, 0, c); c = inputStream.read(buf); } fileOutputStream.flush(); fileOutputStream.close(); return true; } catch (Exception e) { e.printStackTrace(); } return false; } public static boolean writeFile(String filePath, String fileContent) { return writeFile(filePath, fileContent, false); } public static boolean writeFile(String filePath, String fileContent, boolean append) { if (null == filePath || fileContent == null || filePath.length() < 1 || fileContent.length() < 1) { log.e("Invalid param. filePath: " + filePath + ", fileContent: " + fileContent); return false; } try { File file = new File(filePath); if (!file.exists()) { if (!file.createNewFile()) { return false; } } BufferedWriter output = new BufferedWriter(new FileWriter(file, append)); output.write(fileContent); output.flush(); output.close(); } catch (IOException ioe) { log.e("writeFile ioe: " + ioe.toString()); return false; } return true; } public static long getFileSize(String filePath) { if (null == filePath) { log.e("Invalid param. filePath: " + filePath); return 0; } File file = new File(filePath); if (file == null || !file.exists()) { return 0; } return file.length(); } public static long getFileModifyTime(String filePath) { if (null == filePath) { log.e("Invalid param. filePath: " + filePath); return 0; } File file = new File(filePath); if (file == null || !file.exists()) { return 0; } return file.lastModified(); } public static boolean setFileModifyTime(String filePath, long modifyTime) { if (null == filePath) { log.e("Invalid param. filePath: " + filePath); return false; } File file = new File(filePath); if (file == null || !file.exists()) { return false; } return file.setLastModified(modifyTime); } public static boolean copyFile(ContentResolver cr, String fromPath, String destUri) { if (null == cr || null == fromPath || fromPath.length() < 1 || null == destUri || destUri.length() < 1) { log.e("copyFile Invalid param. cr="+cr+", fromPath="+fromPath+", destUri="+destUri); return false; } InputStream is = null; OutputStream os = null; try { is = new FileInputStream(fromPath); if (null == is) { log.e("Failed to open inputStream: "+fromPath+"->"+destUri); return false; } // check output uri String path = null; Uri uri = null; String lwUri = destUri.toLowerCase(); if (lwUri.startsWith("content://")) { uri = Uri.parse(destUri); } else if (lwUri.startsWith("file://")) { uri = Uri.parse(destUri); path = uri.getPath(); } else { path = destUri; } // open output if (null != path) { File fl = new File(path); String pth = path.substring(0, path.lastIndexOf("/")); File pf = new File(pth); if (pf.exists() && !pf.isDirectory()) { pf.delete(); } pf = new File(pth+File.separator); if (!pf.exists()) { if (!pf.mkdirs()) { log.e("Can't make dirs, path=" + pth); } } pf = new File(path); if (pf.exists()) { if (pf.isDirectory()) deleteDirectory(path); else pf.delete(); } os = new FileOutputStream(path); fl.setLastModified(System.currentTimeMillis()); } else { os = new ParcelFileDescriptor.AutoCloseOutputStream(cr.openFileDescriptor(uri, "w")); } // copy file byte[] dat = new byte[1024]; int i = is.read(dat); while(-1 != i) { os.write(dat, 0, i); i = is.read(dat); } is.close(); is = null; os.flush(); os.close(); os = null; return true; } catch(Exception ex) { log.e("Exception, ex: " + ex.toString()); } finally { if(null != is) { try{is.close();} catch(Exception ex) {}; } if(null != os) { try{os.close();} catch(Exception ex) {}; } } return fal