List of usage examples for java.nio.channels FileChannel size
public abstract long size() throws IOException;
From source file:org.lnicholls.galleon.util.Tools.java
public static void copy(File src, File dst) { try {/*from ww w . ja va 2s .c om*/ FileChannel srcChannel = new FileInputStream(src).getChannel(); FileChannel dstChannel = new FileOutputStream(dst).getChannel(); dstChannel.transferFrom(srcChannel, 0, srcChannel.size()); srcChannel.close(); srcChannel = null; dstChannel.close(); dstChannel = null; } catch (IOException ex) { Tools.logException(Tools.class, ex, dst.getAbsolutePath()); } }
From source file:com.almunt.jgcaap.systemupdater.DownloadService.java
public void copy(File src, File dst) throws IOException { FileInputStream inStream = new FileInputStream(src); FileOutputStream outStream = new FileOutputStream(dst); FileChannel inChannel = inStream.getChannel(); FileChannel outChannel = outStream.getChannel(); inChannel.transferTo(0, inChannel.size(), outChannel); inStream.close();//from ww w. j a va2 s.c o m outStream.close(); }
From source file:com.thinkberg.moxo.vfs.s3.jets3t.Jets3tFileObject.java
protected void doDetach() throws Exception { // TODO do not send immediately but put in some kind of upload queue if (attached && changed) { System.err.println("Detaching changed object: " + object); if (cacheFile != null) { FileChannel cacheFc = getCacheFileChannel(); object.setContentLength(cacheFc.size()); object.setDataInputStream(getInputStream()); }//from ww w .ja v a 2 s . c o m System.err.println(object); service.putObject(bucket, object); attached = false; } }
From source file:org.cloudata.core.commitlog.FileTransferThread.java
private void transfer(FileChannel[] channelList, SocketChannel socketChannel) { for (FileChannel fc : channelList) { try {//w ww . j ava 2 s.c o m long numTransferred = 0; long pos = fc.position(); long totalLength = fc.size() - pos; long count = totalLength; LOG.info(dirName + " start File Transfer:" + pos + "," + totalLength); while ((numTransferred += fc.transferTo(pos, count, socketChannel)) < totalLength) { pos += numTransferred; count -= numTransferred; } //LOG.info("End File Transfer:" + pos + "," + totalLength); } catch (IOException e) { LOG.warn("transfering file is fail due to : ", e); } finally { if (fc != null) { try { fc.close(); } catch (IOException e) { LOG.warn("closing file is fail due to : ", e); } } } } }
From source file:org.apache.tajo.tuple.offheap.OffHeapRowBlock.java
public boolean copyFromChannel(FileChannel channel, TableStats stats) throws IOException { if (channel.position() < channel.size()) { clear();//from w w w .j a v a 2 s . c o m buffer.clear(); channel.read(buffer); memorySize = buffer.position(); while (position < memorySize) { long recordPtr = address + position; if (remain() < SizeOf.SIZE_OF_INT) { channel.position(channel.position() - remain()); memorySize = (int) (memorySize - remain()); return true; } int recordSize = UNSAFE.getInt(recordPtr); if (remain() < recordSize) { channel.position(channel.position() - remain()); memorySize = (int) (memorySize - remain()); return true; } position += recordSize; rowNum++; } return true; } else { return false; } }
From source file:com.geekandroid.sdk.sample.crop.ResultActivity.java
private void copyFileToDownloads(Uri croppedFileUri) throws Exception { String downloadsDirectoryPath = Environment .getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).getAbsolutePath(); String filename = String.format("%d_%s", Calendar.getInstance().getTimeInMillis(), croppedFileUri.getLastPathSegment()); File saveFile = new File(downloadsDirectoryPath, filename); FileInputStream inStream = new FileInputStream(new File(croppedFileUri.getPath())); FileOutputStream outStream = new FileOutputStream(saveFile); FileChannel inChannel = inStream.getChannel(); FileChannel outChannel = outStream.getChannel(); inChannel.transferTo(0, inChannel.size(), outChannel); inStream.close();/*from ww w . j a va2 s.c om*/ outStream.close(); showNotification(saveFile); }
From source file:ar.com.init.agros.license.LicenseVerifier.java
private boolean isMasterLicense(String file) throws IOException, FileNotFoundException { File licenseFile = new File(file); FileChannel fc = (new FileInputStream(licenseFile)).getChannel(); byte[] bytes = new byte[(int) fc.size()]; ByteBuffer bb = ByteBuffer.wrap(bytes); fc.read(bb);/*from w ww .j a v a2 s. c o m*/ String hash = DigestUtils.md5Hex(bytes); fc.close(); boolean isMaster = hash.equals(MASTER_LICENSE_HASH); return isMaster; }
From source file:org.lenskit.data.packed.BinaryRatingDAOTest.java
@Test public void testBufferDAO() throws IOException { File file = folder.newFile("ratings.bin"); BinaryRatingPacker packer = BinaryRatingPacker.open(file); try {/*from w ww .ja v a 2 s . c o m*/ packer.writeRatings(ratings); } finally { packer.close(); } ByteBuffer buffer; try (FileInputStream istr = new FileInputStream(file)) { FileChannel chan = istr.getChannel(); buffer = chan.map(FileChannel.MapMode.READ_ONLY, 0, chan.size()); } BinaryRatingDAO dao = BinaryRatingDAO.fromBuffer(buffer); verifySimpleDAO(dao); }
From source file:com.sm.store.utils.FileStore.java
private boolean checkSignature(FileChannel channel) throws IOException { ByteBuffer intBytes = ByteBuffer.allocate(OFFSET); if (channel.size() == 0) { intBytes.putInt(MAGIC);/* w w w . java 2s.c o m*/ intBytes.flip(); channel.write(intBytes); return true; } else { channel.read(intBytes); intBytes.rewind(); if (intBytes.getInt() != MAGIC) throw new StoreException("Header mismatch expect " + MAGIC + " read " + intBytes.getInt()); } return true; }
From source file:org.openmrs.module.formentry.FormEntryUtil.java
/** * Generates an expanded 'starter XSN'. This starter is essentially a blank XSN template to play * with in Infopath. Should be used similar to * <code>org.openmrs.module.formentry.FormEntryUtil.expandXsnContents(java.lang.String)</code> * Generates an expanded 'starter XSN'. This starter is essentially a blank XSN template to play * with in Infopath. Should be used similar to * <code>org.openmrs.formentry.FormEntryUtil.expandXsnContents(java.lang.String)</code> * /*from w w w . j a v a2s .c o m*/ * @return File directory holding blank xsn contents * @throws IOException */ public static File getExpandedStarterXSN() throws IOException { // temp directory to hold the new xsn contents File tempDir = FormEntryUtil.createTempDirectory("XSN-starter"); if (tempDir == null) throw new IOException("Failed to create temporary directory"); // iterate over and copy each file in the given folder File starterDir = getResourceFile(FormEntryConstants.FORMENTRY_STARTER_XSN_FOLDER_PATH); for (File f : starterDir.listFiles()) { File newFile = new File(tempDir, f.getName()); FileChannel in = null, out = null; try { in = new FileInputStream(f).getChannel(); out = new FileOutputStream(newFile).getChannel(); in.transferTo(0, in.size(), out); } finally { if (in != null) in.close(); if (out != null) out.close(); } } return tempDir; }