List of usage examples for java.io RandomAccessFile read
public int read(byte b[]) throws IOException
From source file:org.opencms.workplace.tools.sites.CmsSiteFaviconDialog.java
/** * @see org.opencms.workplace.administration.A_CmsImportFromHttp#actionCommit() *//*from w w w . ja va2 s.co m*/ @Override public void actionCommit() throws IOException, ServletException { String site = getParamSites(); try { // check if the site stored in the sites parameter exists and is readable CmsObject cms = OpenCms.initCmsObject(getCms()); cms.getRequestContext().setSiteRoot(""); cms.existsResource(site + "/"); // copy the file to the server copyFileToServer(OpenCms.getSystemInfo().getPackagesRfsPath()); if ((getParamImportfile() == null) || !getParamImportfile().equals(ICON_NAME)) { // file null or name not valid throw new CmsException( Messages.get().container(Messages.ERR_INVALID_FAVICON_FILE_1, getParamImportfile())); } // get the uploaded file content String importpath = OpenCms.getSystemInfo().getPackagesRfsPath(); importpath = OpenCms.getSystemInfo() .getAbsoluteRfsPathRelativeToWebInf(importpath + getParamImportfile()); RandomAccessFile f = new RandomAccessFile(importpath, "r"); byte[] content = new byte[(int) f.length()]; f.read(content); f.close(); // check the existence of favicon String favCreatePath = site + "/" + ICON_NAME; int imageResId = CmsResourceTypeImage.getStaticTypeId(); if (cms.existsResource(favCreatePath)) { // replace the existing favicon cms.lockResource(favCreatePath); cms.replaceResource(favCreatePath, imageResId, content, new ArrayList<CmsProperty>()); cms.unlockResource(favCreatePath); } else { // create the new favicon cms.createResource(favCreatePath, imageResId, content, new ArrayList<CmsProperty>()); } // set the dialog parameters String title = OpenCms.getSiteManager().getSiteForSiteRoot(site).getTitle(); Map<String, String[]> params = new HashMap<String, String[]>(); params.put(CmsSitesOverviewList.PARAM_SITES, new String[] { getParamSites() }); params.put(CmsSitesOverviewList.PARAM_SITE_TITLE, new String[] { title }); params.put(PARAM_ACTION, new String[] { DIALOG_INITIAL }); // forward the request getToolManager().jspForwardTool(this, "/sites/detail", params); } catch (CmsException e) { // error copying the file to the OpenCms server if (LOG.isErrorEnabled()) { LOG.error(e.getLocalizedMessage(getLocale()), e); } setException(e); return; } }
From source file:com.polarion.pso.license.FetchUserLicenseTypeServlet.java
@Override protected void doGet(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException { ISecurityService securityService = (ISecurityService) PlatformContext.getPlatform() .lookupService(ISecurityService.class); ITrackerService trackerService = (ITrackerService) PlatformContext.getPlatform() .lookupService(ITrackerService.class); String userId = securityService.getCurrentUser(); String userName = trackerService.getTrackerUser(userId).getName(); long cutoff = System.currentTimeMillis() - (1000); File directory = new File("./logs/main"); FileFilter wcFilter = new WildcardFileFilter("log4j-licensing-*.log"); AgeFileFilter ageFilter = new AgeFileFilter(cutoff); FileFilter andFilter = new org.apache.commons.io.filefilter.AndFileFilter((IOFileFilter) ageFilter, (IOFileFilter) wcFilter);//from w w w.j ava 2 s.c om Collection<File> matches = FileUtils.listFiles(directory, (IOFileFilter) andFilter, null); if (!matches.isEmpty()) { File myFile = matches.iterator().next(); RandomAccessFile licFile = new RandomAccessFile(myFile, "r"); // Read the last 1024 bytes Long fileLength = licFile.length(); Long offSet = fileLength - 1024; byte[] bStr = new byte[1024]; licFile.seek(offSet); licFile.read(bStr); licFile.close(); String logString = new java.lang.String(bStr); String[] lineArray = logString.split("\n"); String searchString = "INFO PolarionLicensing - User \'" + userId + "\' logged in"; Boolean found = false; Integer size = lineArray.length - 1; String licType = directory.toString(); for (int i = size; i >= 0; i--) { String line = lineArray[i]; if (line.contains(searchString) && found == false) { found = true; i = -1; Integer startIndex = line.indexOf(searchString) + searchString.length() + 6; licType = line.substring(startIndex); licType = licType.replace("\r", ""); licType = licType.trim(); } } req.setAttribute("userId", userName); req.setAttribute("licType", licType); } else { req.setAttribute("userId", userName); req.setAttribute("licType", "Not Found"); } getServletContext().getRequestDispatcher("/currentUserLicenseType.jsp").forward(req, resp); }
From source file:com.puppycrawl.tools.checkstyle.checks.NewlineAtEndOfFileCheck.java
/** * Checks whether the content provided by the Reader ends with the platform * specific line separator.//from w w w . j a va 2 s . co m * @param randomAccessFile The reader for the content to check * @return boolean Whether the content ends with a line separator * @throws IOException When an IO error occurred while reading from the * provided reader */ private boolean endsWithNewline(RandomAccessFile randomAccessFile) throws IOException { final int len = lineSeparator.length(); if (randomAccessFile.length() < len) { return false; } randomAccessFile.seek(randomAccessFile.length() - len); final byte[] lastBytes = new byte[len]; final int readBytes = randomAccessFile.read(lastBytes); if (readBytes != len) { throw new IOException("Unable to read " + len + " bytes, got " + readBytes); } return lineSeparator.matches(lastBytes); }
From source file:org.apache.hadoop.io.TestIOUtils.java
@Test public void testWriteFully() throws IOException { final int INPUT_BUFFER_LEN = 10000; final int HALFWAY = 1 + (INPUT_BUFFER_LEN / 2); byte[] input = new byte[INPUT_BUFFER_LEN]; for (int i = 0; i < input.length; i++) { input[i] = (byte) (i & 0xff); }/*from w w w . ja va 2 s . c om*/ byte[] output = new byte[input.length]; try { RandomAccessFile raf = new RandomAccessFile(TEST_FILE_NAME, "rw"); FileChannel fc = raf.getChannel(); ByteBuffer buf = ByteBuffer.wrap(input); IOUtils.writeFully(fc, buf); raf.seek(0); raf.read(output); for (int i = 0; i < input.length; i++) { assertEquals(input[i], output[i]); } buf.rewind(); IOUtils.writeFully(fc, buf, HALFWAY); for (int i = 0; i < HALFWAY; i++) { assertEquals(input[i], output[i]); } raf.seek(0); raf.read(output); for (int i = HALFWAY; i < input.length; i++) { assertEquals(input[i - HALFWAY], output[i]); } } finally { File f = new File(TEST_FILE_NAME); if (f.exists()) { f.delete(); } } }
From source file:com.ibm.watson.developer_cloud.android.text_to_speech.v1.TTSUtility.java
private byte[] analyzeOpusData(InputStream is) { String inFilePath = getBaseDir() + "Watson.opus"; String outFilePath = getBaseDir() + "Watson.pcm"; File inFile = new File(inFilePath); File outFile = new File(outFilePath); outFile.deleteOnExit();/*from w w w.j a va2 s . c om*/ inFile.deleteOnExit(); try { RandomAccessFile inRaf = new RandomAccessFile(inFile, "rw"); byte[] opus = IOUtils.toByteArray(is); inRaf.write(opus); sampleRate = OggOpus.decode(inFilePath, outFilePath, sampleRate); // zero means to detect the sample rate by decoder RandomAccessFile outRaf = new RandomAccessFile(outFile, "r"); byte[] data = new byte[(int) outRaf.length()]; int outLength = outRaf.read(data); inRaf.close(); outRaf.close(); if (outLength == 0) { throw new IOException("Data reading failed"); } return data; } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return new byte[0]; }
From source file:dbseer.comp.process.live.LogTailer.java
/** * Read new lines.//from w ww. j ava 2 s .co m * * @param reader The file to read * @return The new position after the lines have been read * @throws java.io.IOException if an I/O error occurs. */ private long readLines(RandomAccessFile reader) throws IOException { StringBuilder sb = new StringBuilder(); long pos = reader.getFilePointer(); long rePos = pos; // position to re-read int num; boolean seenCR = false; while (run && ((num = reader.read(inbuf)) != -1)) { for (int i = 0; i < num; i++) { byte ch = inbuf[i]; switch (ch) { case '\n': seenCR = false; // swallow CR before LF listener.handle(sb.toString(), pos + i + 1); sb.setLength(0); rePos = pos + i + 1; break; case '\r': if (seenCR) { sb.append('\r'); } seenCR = true; break; default: if (seenCR) { seenCR = false; // swallow final CR listener.handle(sb.toString(), pos + i + 1); sb.setLength(0); rePos = pos + i + 1; } sb.append((char) ch); // add character, not its ascii value } } pos = reader.getFilePointer(); } reader.seek(rePos); // Ensure we can re-read if necessary return rePos; }
From source file:nl.mpi.handle.util.implementation.HandleUtil.java
/** * Gets the website service account private key file from the local file system. * @return Returns the private key file as a byte array. * @throws java.io.FileNotFoundException Throws <CODE>FileNotFoundException</CODE> if the private key file for the website Handle System service account cannot be found on the local file system. * @throws java.io.IOException Throws <CODE>IOException</CODE> if the private key file for the website Handle System service account cannot be accessed. *//*w ww . j ava2s .co m*/ public byte[] getPrivateKeyFile() throws IOException { byte[] fileBytes = null; File privKeyFile = new File(handleAdminKeyFilePath); if (privKeyFile.exists() == false) { throw new IOException("The admin private key file could not be found."); } if (privKeyFile.canRead() == false) { throw new IOException("The admin private key file cannot be read."); } RandomAccessFile privateKeyContents = new RandomAccessFile(privKeyFile, "r"); int length = (int) privateKeyContents.length(); if (length > 0) { fileBytes = new byte[length]; privateKeyContents.read(fileBytes); privateKeyContents.close(); } else { throw new IOException("The private key file is empty."); } return fileBytes; }
From source file:com.ieasy.basic.util.file.FileUtils.java
/** * ??/*from w w w . j a v a 2s .co m*/ * * @param fileName * ?? */ public static void readFileByRandomAccess(String fileName) { RandomAccessFile randomFile = null; try { System.out.println("??"); // ???? randomFile = new RandomAccessFile(fileName, "r"); // long fileLength = randomFile.length(); // ? int beginIndex = (fileLength > 4) ? 4 : 0; // ?beginIndex? randomFile.seek(beginIndex); byte[] bytes = new byte[10]; int byteread = 0; // 10?10 // ?byteread while ((byteread = randomFile.read(bytes)) != -1) { System.out.write(bytes, 0, byteread); } } catch (IOException e) { e.printStackTrace(); } finally { if (randomFile != null) { try { randomFile.close(); } catch (IOException e1) { } } } }
From source file:phex.update.UpdateCheckRunner.java
private String getErrorLogFileTail() { try {/*w w w . ja v a 2 s .com*/ File logFile = Environment.getInstance().getPhexConfigFile("phex.error.log"); if (!logFile.exists()) { return null; } RandomAccessFile raf = new RandomAccessFile(logFile, "r"); long pos = Math.max(raf.length() - 10 * 1024, 0); raf.seek(pos); byte[] buffer = new byte[(int) Math.min(10 * 1024, raf.length())]; int lenRead = raf.read(buffer); return new String(buffer, 0, lenRead); } catch (IOException exp) { NLogger.error(UpdateCheckRunner.class, exp, exp); return exp.toString(); } }
From source file:TarList.java
public TarEntry(RandomAccessFile is) throws IOException, TarException { fileOffset = is.getFilePointer();/*w w w. ja v a2 s . c o m*/ // read() returns -1 at EOF if (is.read(name) < 0) throw new EOFException(); // Tar pads to block boundary with nulls. if (name[0] == '\0') throw new EOFException(); // OK, read remaining fields. is.read(mode); is.read(uid); is.read(gid); is.read(size); is.read(mtime); is.read(chksum); type = is.readByte(); is.read(linkName); is.read(magic); is.read(uname); is.read(gname); is.read(devmajor); is.read(devminor); // Since the tar header is < 512, we need to skip it. is.skipBytes((int) (TarFile.RECORDSIZE - (is.getFilePointer() % TarFile.RECORDSIZE))); // TODO if checksum() fails, // throw new TarException("Failed to find next header"); }