package com.mogujie.tt.utils; import java.io.BufferedOutputStream; import java.io.BufferedReader; import java.io.DataOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.OutputStreamWriter; import java.net.HttpURLConnection; import java.net.URL; import com.mogujie.tt.cache.biz.CacheHub; import com.mogujie.tt.config.SysConstant; import com.mogujie.tt.entity.MessageInfo; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.os.Environment; public class FileUtil { public static String SDCardRoot; public static File updateFile; static { // 获取SD卡路径 SDCardRoot = Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator; } /** * 创建文件夹 * * @throws IOException */ public static File createFileInSDCard(String fileName, String dir) { File file = new File(SDCardRoot + dir + File.separator + fileName); try { file.createNewFile(); } catch (IOException e) { e.printStackTrace(); } updateFile = file; return file; } /** * 创建目录 * * @param dirName */ public static File creatSDDir(String dir) { File dirFile = new File(SDCardRoot + dir + File.separator); dirFile.mkdirs(); return dirFile; } /** * 检测文件是否存在 */ public static boolean isFileExist(String fileName, String path) { File file = new File(SDCardRoot + path + File.separator + fileName); return file.exists(); } /** * 通过流往文件里写东西 */ public static File writeToSDFromInput(String path, String fileName, InputStream input) { File file = null; OutputStream output = null; try { file = createFileInSDCard(fileName, path); output = new FileOutputStream(file, false); byte buffer[] = new byte[4 * 1024]; int temp; while ((temp = input.read(buffer)) != -1) { output.write(buffer, 0, temp); } output.flush(); } catch (Exception e) { e.printStackTrace(); } finally { try { output.close(); } catch (Exception e) { e.printStackTrace(); } } return file; } /** * 把字符串写入文件 */ public static File writeToSDFromInput(String path, String fileName, String data) { File file = null; OutputStreamWriter outputWriter = null; OutputStream outputStream = null; try { creatSDDir(path); file = createFileInSDCard(fileName, path); outputStream = new FileOutputStream(file, false); outputWriter = new OutputStreamWriter(outputStream); outputWriter.write(data); outputWriter.flush(); } catch (Exception e) { e.printStackTrace(); } finally { try { outputWriter.close(); } catch (Exception e) { e.printStackTrace(); } } return file; } public static String getFromCipherConnection(String actionUrl, String content, String path) { try { File[] files = new File[1]; files[0] = new File(path); // content = CipherUtil.getCipherString(content); String BOUNDARY = java.util.UUID.randomUUID().toString(); String PREFIX = "--", LINEND = "\r\n"; String MULTIPART_FROM_DATA = "multipart/form-data"; String CHARSET = "UTF-8"; URL uri = new URL(actionUrl); HttpURLConnection conn = (HttpURLConnection) uri.openConnection(); conn.setReadTimeout(5 * 1000); // 缓存的最长时间 conn.setDoInput(true);// 允许输入 conn.setDoOutput(true);// 允许输出 conn.setUseCaches(false); // 不允许使用缓存 conn.setRequestMethod("POST"); conn.setRequestProperty("connection", "keep-alive"); conn.setRequestProperty("Charsert", "UTF-8"); conn.setRequestProperty("Content-Type", MULTIPART_FROM_DATA + ";boundary=" + BOUNDARY); // 首先组拼文本类型的参数 StringBuilder sb = new StringBuilder(); sb.append(PREFIX); sb.append(BOUNDARY); sb.append(LINEND); sb.append("Content-Disposition: form-data; name=\"userName\"" + LINEND);// \"userName\" sb.append("Content-Type: text/plain; charset=" + CHARSET + LINEND); sb.append("Content-Transfer-Encoding: 8bit" + LINEND); sb.append(LINEND); sb.append(content); sb.append(LINEND); DataOutputStream outStream = new DataOutputStream(conn.getOutputStream()); outStream.write(sb.toString().getBytes()); // 发送文件数据 if (files != null) { for (File file : files) { StringBuilder sb1 = new StringBuilder(); sb1.append(PREFIX); sb1.append(BOUNDARY); sb1.append(LINEND); sb1.append("Content-Disposition: form-data; name=\"" + file.getName() + "\"; filename=\"" + file.getName() + "\"" + LINEND); sb1.append("Content-Type: application/octet-stream; charset=" + CHARSET + LINEND); sb1.append(LINEND); outStream.write(sb1.toString().getBytes()); try { InputStream is = new FileInputStream(file); byte[] buffer = new byte[1024]; int len = 0; while ((len = is.read(buffer)) != -1) { outStream.write(buffer, 0, len); } is.close(); outStream.write(LINEND.getBytes()); } catch (IOException e) { e.printStackTrace(); } } } // 请求结束标志 byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINEND).getBytes(); outStream.write(end_data); outStream.flush(); outStream.close(); // 得到响应码 int res = conn.getResponseCode(); if (res == 200) { BufferedReader in = new BufferedReader(new InputStreamReader( (InputStream) conn.getInputStream())); String line = null; StringBuilder result = new StringBuilder(); while ((line = in.readLine()) != null) { result.append(line); } in.close(); conn.disconnect();// 断开连接 return "true"; } else { return ""; } } catch (Exception e) { e.printStackTrace(); return ""; } } public static byte[] getFileContent(String fileName) { FileInputStream fin = null; try { fin = new FileInputStream(fileName); int length = fin.available(); byte[] bytes = new byte[length]; fin.read(bytes); return bytes; } catch (Exception e) { e.printStackTrace(); return null; } finally { try { if (fin != null) { fin.close(); } } catch (IOException e) { e.printStackTrace(); } } } /** * @Description 删除文件或文件夹 * @param file */ public static void delete(File file) { if (!file.exists()) { return; // 不存在直接返回 } if (file.isFile()) { file.delete(); // 若是文件则删除后返回 return; } // 若是目录递归删除后,并最后删除目录后返回 if (file.isDirectory()) { File[] childFiles = file.listFiles(); if (childFiles == null || childFiles.length == 0) { file.delete(); // 如果是空目录,直接删除 return; } for (int i = 0; i < childFiles.length; i++) { delete(childFiles[i]); // 递归删除子文件或子文件夹 } file.delete(); // 删除最后的空目录 } return; } /** * @Description 删除目录下过旧的文件 * @param dirFile 目录文件 * @param timeLine 时间分隔线 */ public static void deleteHistoryFiles(File dirFile, int timeLine) { // 不存在或是文件直接返回 if (!dirFile.exists() || dirFile.isFile()) { return; } try { // 如果是目录则删除过旧的文件 if (dirFile.isDirectory()) { File[] childFiles = dirFile.listFiles(); if (childFiles == null || childFiles.length == 0) { return; // 如果是空目录就直接返回 } // 遍历文件,删除过旧的文件 Long timeLimit = Long.valueOf(timeLine) * 1000; Long fileTime; for (int i = 0; i < childFiles.length; i++) { fileTime = childFiles[i].lastModified(); if (fileTime < timeLimit) { delete(childFiles[i]); } } } } catch (Exception e) { e.printStackTrace(); } } public static File save2File(String savePath, String saveName, String crashReport) { try { File dir = new File(savePath); if (!dir.exists()) dir.mkdir(); File file = new File(dir, saveName); FileOutputStream fos = new FileOutputStream(file); fos.write(crashReport.toString().getBytes()); fos.close(); return file; } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return null; } public static String saveAudioResourceToFile(byte[] content) { try { String audioSavePath = CommonUtil.getAudioSavePath(CacheHub .getInstance().getLoginUserId()); File file = new File(audioSavePath); FileOutputStream fops = new FileOutputStream(file); fops.write(content); fops.flush(); fops.close(); return audioSavePath; } catch (Exception e) { e.printStackTrace(); return null; } } public static boolean saveWebAudio(String urlpath, String savepath) { return false; } public static Boolean saveBitmapofMessageInfo(MessageInfo messageInfo, Bitmap bitmap) { if (messageInfo == null || messageInfo.getUrl() == null) return false; String bigImagePath = CommonUtil.getMd5Path(messageInfo.getUrl(), SysConstant.FILE_SAVE_TYPE_IMAGE); if (bitmap == null) return false; File myFile = new File(bigImagePath); if (myFile.exists()) return true; BufferedOutputStream bos = null; try { if (bitmap != null) { FileOutputStream fout = new FileOutputStream(myFile); bos = new BufferedOutputStream(fout); bitmap.compress(Bitmap.CompressFormat.JPEG, 100, bos); bos.flush(); bos.close(); bos = null; } } catch (Exception e) { e.printStackTrace(); } finally { try { if (bos != null) { bos.flush(); bos.close(); } } catch (IOException e) { e.printStackTrace(); } } return true; } @SuppressWarnings("unused") private static Bitmap getBitmap(InputStream fs) { BitmapFactory.Options opts = new BitmapFactory.Options(); opts.inSampleSize = 1; Bitmap imgBitmap = BitmapFactory.decodeStream(fs, null, opts); if (imgBitmap != null) { int width = imgBitmap.getWidth(); int height = imgBitmap.getHeight(); imgBitmap = Bitmap.createScaledBitmap(imgBitmap, width, height, true); } return imgBitmap; } public static long getFileLen(File file) { long total = 0; try { InputStream is = new FileInputStream(file); byte[] bytes = new byte[1024]; int len = 0; while ((len = is.read(bytes)) != -1) { total += len; } is.close(); } catch (Exception e) { } return total; } public static boolean isSdCardAvailuable() { boolean bRet = false; do { if (!Environment.getExternalStorageState().equals( Environment.MEDIA_MOUNTED)) { break; } if (CommonUtil.getSDFreeSize() < 5) { break; } bRet = true; } while (false); return bRet; } }