List of usage examples for java.io InputStreamReader close
public void close() throws IOException
From source file:com.zhengxuetao.gupiao.service.impl.DayServiceImpl.java
@Override public boolean saveDayDataFromFile(File file) { if (file != null && file.exists() && file.isFile()) { DayData dayData = new DayData(); String fileName = file.getName(); //SH#600004.txt dayData.setFinanceId(Long.parseLong(fileName.substring(3, 9))); String encoding = "GBK"; InputStreamReader reader = null; DateFormat format = new SimpleDateFormat("yyyy-mm-dd hh:mm:ss"); DateFormat parseFormat = new SimpleDateFormat("yyyy-mm-dd"); try {//ww w . java2 s . c om reader = new InputStreamReader(new FileInputStream(file), encoding); BufferedReader bufferedReader = new BufferedReader(reader); String readLine; while ((readLine = bufferedReader.readLine()) != null) { //?????????? String[] arr = readLine.split(","); dayData.setTime(Timestamp.valueOf(format.format(parseFormat.parse(arr[0])))); dayData.setStartPrice(Float.valueOf(arr[1])); dayData.setHighPrice(Float.valueOf(arr[2])); dayData.setLowPrice(Float.valueOf(arr[3])); dayData.setEndPrice(Float.valueOf(arr[4])); dayData.setVolume(Long.valueOf(arr[5])); dayData.setAmount(Double.valueOf(arr[6])); userDAO.saveDayData(dayData); } } catch (IOException | ParseException ex) { logger.error(ex.getMessage()); } finally { try { reader.close(); } catch (IOException ex) { logger.error(ex.getMessage()); } } } else { logger.error("?!"); } return true; }
From source file:com.prey.PreyPhone.java
public long maxCPUFreqMHz() { String line = ""; File file = null;//from w w w . j a v a2 s . c om FileInputStream fi = null; InputStreamReader ir = null; BufferedReader br = null; long cpuMaxFreq = 0; try { file = new File("/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq"); fi = new FileInputStream(file); ir = new InputStreamReader(fi); br = new BufferedReader(ir); while ((line = br.readLine()) != null) { if (line != null && !"".equals(line)) { break; } } cpuMaxFreq = Long.parseLong(line) / 1000; } catch (Exception e) { } finally { try { br.close(); } catch (Exception e) { } try { ir.close(); } catch (Exception e) { } try { fi.close(); } catch (Exception e) { } } return cpuMaxFreq; }
From source file:com.lenovo.tensorhusky.common.utils.ProcfsBasedProcessTree.java
/** * Construct the ProcessInfo using the process' PID and procfs rooted at the * specified directory and return the same. It is provided mainly to assist * testing purposes./*w ww.j a va 2 s . c o m*/ * <p> * Returns null on failing to read from procfs, * * @param pinfo ProcessInfo that needs to be updated * @param procfsDir root of the proc file system * @return updated ProcessInfo, null on errors. */ private static ProcessInfo constructProcessInfo(ProcessInfo pinfo, String procfsDir) { ProcessInfo ret = null; // Read "procfsDir/<pid>/stat" file - typically /proc/<pid>/stat BufferedReader in = null; InputStreamReader fReader = null; try { File pidDir = new File(procfsDir, pinfo.getPid()); fReader = new InputStreamReader(new FileInputStream(new File(pidDir, PROCFS_STAT_FILE)), Charset.forName("UTF-8")); in = new BufferedReader(fReader); } catch (FileNotFoundException f) { // The process vanished in the interim! return ret; } ret = pinfo; try { String str = in.readLine(); // only one line Matcher m = PROCFS_STAT_FILE_FORMAT.matcher(str); boolean mat = m.find(); if (mat) { // Set (name) (ppid) (pgrpId) (session) (utime) (stime) (vsize) // (rss) pinfo.updateProcessInfo(m.group(2), m.group(3), Integer.parseInt(m.group(4)), Integer.parseInt(m.group(5)), Long.parseLong(m.group(7)), new BigInteger(m.group(8)), Long.parseLong(m.group(10)), Long.parseLong(m.group(11))); } else { LOG.warn("Unexpected: procfs stat file is not in the expected format" + " for process with pid " + pinfo.getPid()); ret = null; } } catch (IOException io) { LOG.warn("Error reading the stream " + io); ret = null; } finally { // Close the streams try { fReader.close(); try { in.close(); } catch (IOException i) { LOG.warn("Error closing the stream " + in); } } catch (IOException i) { LOG.warn("Error closing the stream " + fReader); } } return ret; }
From source file:com.moesol.geoserver.sync.client.AbstractClientSynchronizer.java
private boolean processSha1SyncResponse(Response response) throws IOException { int expected = m_server.level() + 1; CountingInputStream counter = new CountingInputStream(response.getResultStream()); InputStreamReader reader = new InputStreamReader(new BufferedInputStream(counter), UTF8.UTF8); try {/*from ww w .ja va 2s . com*/ m_server = new Gson().fromJson(reader, Sha1SyncJson.class); if (expected != m_server.level()) { throw new IllegalStateException( "Level warp! expected(" + expected + "), actual(" + m_server.level() + ")"); } if (!versionFeatures.getToken().equals(m_server.version())) { throw new IllegalStateException("Version warp! expected(" + versionFeatures.getToken() + "), actual(" + m_server.version() + ")"); } if (isServerEmpty()) { clearLocal(); return true; } if (isServerHashesEmpty()) { return true; } return false; } finally { m_rxBytes += counter.getByteCount(); reader.close(); } }
From source file:com.lenovo.tensorhusky.common.utils.LinuxResourceCalculatorPlugin.java
/** * Read /proc/stat file, parse and calculate cumulative CPU */// w ww. j a v a 2 s . c o m private void readProcStatFile() { // Read "/proc/stat" file BufferedReader in = null; InputStreamReader fReader = null; try { fReader = new InputStreamReader(new FileInputStream(procfsStatFile), Charset.forName("UTF-8")); in = new BufferedReader(fReader); } catch (FileNotFoundException f) { // shouldn't happen.... return; } Matcher mat = null; try { String str = in.readLine(); while (str != null) { mat = CPU_TIME_FORMAT.matcher(str); if (mat.find()) { long uTime = Long.parseLong(mat.group(1)); long nTime = Long.parseLong(mat.group(2)); long sTime = Long.parseLong(mat.group(3)); cpuTimeTracker.updateElapsedJiffies(BigInteger.valueOf(uTime + nTime + sTime), getCurrentTime()); break; } str = in.readLine(); } } catch (IOException io) { LOG.warn("Error reading the stream " + io); } finally { // Close the streams try { fReader.close(); try { in.close(); } catch (IOException i) { LOG.warn("Error closing the stream " + in); } } catch (IOException i) { LOG.warn("Error closing the stream " + fReader); } } }
From source file:de.teamgrit.grit.checking.compile.HaskellCompileChecker.java
/** * checkProgram invokes the Haskell compiler on a given file and reports * the output./*from w w w. j a v a 2 s . c om*/ * * @param pathToProgramFile * Specifies the file or folder containing that should be * compiled. (accepts .lhs and .hs files) * @param compilerName * The compiler to be used (usually ghc). * @param compilerFlags * Additional flags to be passed to the compiler. * @throws FileNotFoundException * Is thrown when the file in pathToProgramFile cannot be * opened * @throws BadCompilerSpecifiedException * Is thrown when the given compiler cannot be called * @return A {@link CompilerOutput} that contains all compiler messages and * flags on how the compile run went. * @throws BadFlagException * When ghc doesn't recognize a flag, this exception is thrown. */ @Override public CompilerOutput checkProgram(Path pathToProgramFile, String compilerName, List<String> compilerFlags) throws FileNotFoundException, BadCompilerSpecifiedException, BadFlagException { Process compilerProcess = null; try { // create compiler invocation. List<String> compilerInvocation = createCompilerInvocation(pathToProgramFile, compilerName, compilerFlags); ProcessBuilder compilerProcessBuilder = new ProcessBuilder(compilerInvocation); // make sure the compiler stays in its directory. compilerProcessBuilder.directory(pathToProgramFile.getParent().toFile()); compilerProcess = compilerProcessBuilder.start(); // this will never happen because createCompilerInvocation never // throws this Exception. Throw declaration needs to be in method // declaration because of the implemented Interface although we // never use it in the HaskellCompileChecker } catch (CompilerOutputFolderExistsException e) { LOGGER.severe("A problem while compiling, which never should happen, occured" + e.getMessage()); } catch (BadCompilerSpecifiedException e) { throw new BadCompilerSpecifiedException(e.getMessage()); } catch (IOException e) { // If we cannot call the compiler we return a CompilerOutput // initialized with false, false, indicating // that the compiler wasn't invoked properly and that there was no // clean Compile. CompilerOutput compilerInvokeError = new CompilerOutput(); compilerInvokeError.setClean(false); compilerInvokeError.setCompilerInvoked(false); return compilerInvokeError; } // Now we read compiler output. If everything is ok ghc reports // nothing in the errorStream. InputStream compilerOutputStream = compilerProcess.getErrorStream(); InputStreamReader compilerStreamReader = new InputStreamReader(compilerOutputStream); BufferedReader compilerOutputBuffer = new BufferedReader(compilerStreamReader); String line; CompilerOutput compilerOutput = new CompilerOutput(); compilerOutput.setCompilerInvoked(true); List<String> compilerOutputLines = new LinkedList<>(); try { while ((line = compilerOutputBuffer.readLine()) != null) { compilerOutputLines.add(line); } // Errors are separated via an empty line (""). But after the // the last error the OutputBuffer has nothing more to write. // In order to recognize the last error we insert an empty String // at the end of the list. // Only needs to be done when there are errors. if (compilerOutputLines.size() != 0) { line = ""; compilerOutputLines.add(line); } compilerOutputStream.close(); compilerStreamReader.close(); compilerOutputBuffer.close(); compilerProcess.destroy(); } catch (IOException e) { // Reading might go wrong here if ghc should unexpectedly die LOGGER.severe("Error while reading from compiler stream."); compilerOutput.setClean(false); compilerOutput.setCompileStreamBroken(true); return compilerOutput; } // ghc -c generates a .o(object) and a .hi(haskell interface) file. // But we don't need those files so they can be deleted. // The generated files have the same name like our input file so we // can just exchange the file endings in order to get the // correct file paths for deletion if (Files.isDirectory(pathToProgramFile, LinkOption.NOFOLLOW_LINKS)) { // we use a file walker in order to find all files in the folder // and its subfolders RegexDirectoryWalker dirWalker = new RegexDirectoryWalker(".+\\.([Ll])?[Hh][Ss]"); try { Files.walkFileTree(pathToProgramFile, dirWalker); } catch (IOException e) { LOGGER.severe("Could not walk submission " + pathToProgramFile.toString() + " while building copiler invocation: " + e.getMessage()); } for (Path candidatePath : dirWalker.getFoundFiles()) { File candidateFile = candidatePath.toFile(); if (!candidateFile.isDirectory()) { String extension = FilenameUtils.getExtension(candidateFile.toString()); if (extension.matches("[Ll]?[Hh][Ss]")) { File ghcGeneratedObject = new File( FilenameUtils.removeExtension(candidateFile.toString()) + ".o"); File ghcGeneratedInterface = new File( FilenameUtils.removeExtension(candidateFile.toString()) + ".hi"); ghcGeneratedObject.delete(); ghcGeneratedInterface.delete(); } } } } else { String extension = FilenameUtils.getExtension(pathToProgramFile.toString()); if (extension.matches("[Ll]?[Hh][Ss]")) { File ghcGeneratedObject = new File( FilenameUtils.removeExtension(pathToProgramFile.toString()) + ".o"); File ghcGeneratedInterface = new File( FilenameUtils.removeExtension(pathToProgramFile.toString()) + ".hi"); ghcGeneratedObject.delete(); ghcGeneratedInterface.delete(); } } // if there are no errors there is no Output to handle if (compilerOutputLines.size() != 0) { compilerOutput = splitCompilerOutput(compilerOutputLines, compilerOutput); } else { compilerOutput.setClean(true); } return compilerOutput; }
From source file:org.apache.hadoop.yarn.util.ProcfsBasedProcessTree.java
/** * Construct the ProcessInfo using the process' PID and procfs rooted at the * specified directory and return the same. It is provided mainly to assist * testing purposes.// w w w. java2 s. c o m * * Returns null on failing to read from procfs, * * @param pinfo ProcessInfo that needs to be updated * @param procfsDir root of the proc file system * @return updated ProcessInfo, null on errors. */ private static ProcessInfo constructProcessInfo(ProcessInfo pinfo, String procfsDir) { ProcessInfo ret = null; // Read "procfsDir/<pid>/stat" file - typically /proc/<pid>/stat BufferedReader in = null; InputStreamReader fReader = null; try { File pidDir = new File(procfsDir, pinfo.getPid()); fReader = new InputStreamReader(new FileInputStream(new File(pidDir, PROCFS_STAT_FILE)), Charset.forName("UTF-8")); in = new BufferedReader(fReader); } catch (FileNotFoundException f) { // The process vanished in the interim! return ret; } ret = pinfo; try { String str = in.readLine(); // only one line Matcher m = PROCFS_STAT_FILE_FORMAT.matcher(str); boolean mat = m.find(); if (mat) { String processName = "(" + m.group(2) + ")"; // Set (name) (ppid) (pgrpId) (session) (utime) (stime) (vsize) (rss) pinfo.updateProcessInfo(processName, m.group(3), Integer.parseInt(m.group(4)), Integer.parseInt(m.group(5)), Long.parseLong(m.group(7)), new BigInteger(m.group(8)), Long.parseLong(m.group(10)), Long.parseLong(m.group(11))); } else { LOG.warn("Unexpected: procfs stat file is not in the expected format" + " for process with pid " + pinfo.getPid()); ret = null; } } catch (IOException io) { LOG.warn("Error reading the stream " + io); ret = null; } finally { // Close the streams try { fReader.close(); try { in.close(); } catch (IOException i) { LOG.warn("Error closing the stream " + in); } } catch (IOException i) { LOG.warn("Error closing the stream " + fReader); } } return ret; }
From source file:nmtysh.android.test.speedtest.SpeedTestActivity.java
private void runHttpURLConnection() { final String url = urlEdit.getText().toString(); if (url == null || (!url.startsWith("http://") && !url.startsWith("https://"))) { list.add("URL error!"); adapter.notifyDataSetChanged();//from w w w.java 2s. c o m return; } task = new AsyncTask<Void, Integer, Void>() { long startTime; ProgressDialog progress; // ?? @Override protected void onPreExecute() { super.onPreExecute(); progress = new ProgressDialog(SpeedTestActivity.this); progress.setMessage(getString(R.string.progress_message)); progress.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); progress.setIndeterminate(false); progress.setCancelable(true); progress.setOnCancelListener(new OnCancelListener() { @Override public void onCancel(DialogInterface dialog) { task.cancel(true); } }); progress.setMax(10); progress.setProgress(0); progress.show(); startTime = System.currentTimeMillis(); } // ??? @Override protected Void doInBackground(Void... params) { // 10????? for (int i = 0; i < 10; i++) { HttpURLConnection connection = null; InputStreamReader in = null; // BufferedReader br = null; try { connection = (HttpURLConnection) (new URL(url)).openConnection(); connection.setRequestMethod("GET"); connection.connect(); in = new InputStreamReader(connection.getInputStream()); // br = new BufferedReader(in); // while (br.readLine() != null) { long len = 0; while (in.read() != -1) { len++; } Log.i("HttpURLConnection", len + " Bytes"); } catch (IOException e) { } finally { /* * if (br != null) { try { br.close(); } catch * (IOException e) { } br = null; } */ if (in != null) { try { in.close(); } catch (IOException e) { } in = null; } if (connection != null) { connection.disconnect(); connection = null; } } publishProgress(i + 1); // Dos???????? try { Thread.sleep(1000); } catch (InterruptedException e) { } } return null; } @Override protected void onProgressUpdate(Integer... values) { super.onProgressUpdate(values); if (progress == null) { return; } progress.setProgress(values[0]); } // @Override protected void onPostExecute(Void result) { long endTime = System.currentTimeMillis(); // progress.cancel(); progress = null; list.add("HttpURLConnection:" + url + " " + (endTime - startTime) + "msec/10" + " " + (endTime - startTime) / 10 + "msec"); adapter.notifyDataSetChanged(); } @Override protected void onCancelled() { super.onCancelled(); progress.dismiss(); progress = null; } }.execute(); }
From source file:eu.musesproject.server.policyrulesselector.PolicySelector.java
private String getJSONDevicePolicy(String requestId, Decision decision, String action) { String jsonDevicePolicy = null; BufferedReader br = null;//from w w w. j a va2s .c o m InputStream in = null; InputStreamReader is = null; String policyContent = null; try { policyContent = getPolicyDTHeader(); policyContent += getActionSection(decision, action, requestId); policyContent += getPolicyDTBottom(); JSONObject xmlJSONObj = XML.toJSONObject(policyContent); jsonDevicePolicy = xmlJSONObj.toString(); } catch (JSONException je) { logger.error("JSONException:" + je.getCause()); } catch (Exception e) { jsonDevicePolicy = "<errorBuildingPolicy/>"; } finally { try { if (br != null) { br.close(); } } catch (IOException e) { logger.error("IOException:" + e.getCause()); } try { if (in != null) { in.close(); } } catch (IOException e) { logger.error("IOException:" + e.getCause()); } try { if (is != null) { is.close(); } } catch (IOException e) { logger.error("IOException:" + e.getCause()); } } return jsonDevicePolicy; }
From source file:org.apache.phoenix.hive.HiveTestUtil.java
public String readEntireFileIntoString(File queryFile) throws IOException { InputStreamReader isr = new InputStreamReader(new BufferedInputStream(new FileInputStream(queryFile)), HiveTestUtil.UTF_8);// ww w . j a v a2 s .c o m StringWriter sw = new StringWriter(); try { IOUtils.copy(isr, sw); } finally { if (isr != null) { isr.close(); } } return sw.toString(); }