List of usage examples for java.io DataOutputStream writeInt
public final void writeInt(int v) throws IOException
int to the underlying output stream as four bytes, high byte first. From source file:com.adito.notification.Notifier.java
void write(Message message) throws IOException { if (log.isDebugEnabled()) log.debug("Writing message " + message.getId() + " '" + message.getSubject() + "' to disk"); FileOutputStream fout = new FileOutputStream( new File(queueDirectory, String.valueOf(message.getId()) + ".msg")); try {/* w w w. ja v a 2s . c o m*/ DataOutputStream dout = new DataOutputStream(fout); dout.writeLong(message.getId()); dout.writeUTF(message.getSinkName()); dout.writeBoolean(message.isUrgent()); dout.writeUTF(message.getSubject()); for (Iterator i = message.getRecipients().iterator(); i.hasNext();) { Recipient r = (Recipient) i.next(); dout.writeInt(r.getRecipientType()); dout.writeUTF(r.getRecipientAlias() == null ? "" : r.getRecipientAlias()); dout.writeUTF(r.getRealmName() == null ? "" : r.getRealmName()); } dout.writeInt(0); for (Iterator i = message.getParameterNames(); i.hasNext();) { String key = (String) i.next(); dout.writeInt(1); dout.writeUTF(key); dout.writeUTF(message.getParameter(key)); } dout.writeInt(0); dout.writeUTF(message.getContent()); dout.writeUTF(message.getLastMessage()); } finally { fout.close(); } }
From source file:com.panet.imeta.trans.steps.blockingstep.BlockingStep.java
private boolean addBuffer(RowMetaInterface rowMeta, Object[] r) { if (r != null) { data.buffer.add(r); // Save row }/* ww w .j a v a 2s . c o m*/ // Time to write to disk: buffer in core is full! if (data.buffer.size() == meta.getCacheSize() // Buffer is full: dump to disk || (data.files.size() > 0 && r == null && data.buffer.size() > 0) // No more records: join from disk ) { // Then write them to disk... DataOutputStream dos; GZIPOutputStream gzos; int p; try { FileObject fileObject = KettleVFS.createTempFile(meta.getPrefix(), ".tmp", environmentSubstitute(meta.getDirectory())); data.files.add(fileObject); // Remember the files! OutputStream outputStream = KettleVFS.getOutputStream(fileObject, false); if (meta.getCompress()) { gzos = new GZIPOutputStream(new BufferedOutputStream(outputStream)); dos = new DataOutputStream(gzos); } else { dos = new DataOutputStream(outputStream); gzos = null; } // How many records do we have? dos.writeInt(data.buffer.size()); for (p = 0; p < data.buffer.size(); p++) { // Just write the data, nothing else rowMeta.writeData(dos, (Object[]) data.buffer.get(p)); } // Close temp-file dos.close(); // close data stream if (gzos != null) { gzos.close(); // close gzip stream } outputStream.close(); // close file stream } catch (Exception e) { logError("Error processing tmp-file: " + e.toString()); return false; } data.buffer.clear(); } return true; }
From source file:bobs.is.compress.sevenzip.SevenZOutputFile.java
/** * Finishes the addition of entries to this archive, without closing it. * /* ww w . j ava 2 s. c o m*/ * @throws IOException if archive is already closed. */ public void finish() throws IOException { if (finished) { throw new IOException("This archive has already been finished"); } finished = true; final long headerPosition = file.getFilePointer(); final ByteArrayOutputStream headerBaos = new ByteArrayOutputStream(); final DataOutputStream header = new DataOutputStream(headerBaos); writeHeader(header); header.flush(); final byte[] headerBytes = headerBaos.toByteArray(); file.write(headerBytes); final CRC32 crc32 = new CRC32(); // signature header file.seek(0); file.write(SevenZFile.sevenZSignature); // version file.write(0); file.write(2); // start header final ByteArrayOutputStream startHeaderBaos = new ByteArrayOutputStream(); final DataOutputStream startHeaderStream = new DataOutputStream(startHeaderBaos); startHeaderStream.writeLong(Long.reverseBytes(headerPosition - SevenZFile.SIGNATURE_HEADER_SIZE)); startHeaderStream.writeLong(Long.reverseBytes(0xffffFFFFL & headerBytes.length)); crc32.reset(); crc32.update(headerBytes); startHeaderStream.writeInt(Integer.reverseBytes((int) crc32.getValue())); startHeaderStream.flush(); final byte[] startHeaderBytes = startHeaderBaos.toByteArray(); crc32.reset(); crc32.update(startHeaderBytes); file.writeInt(Integer.reverseBytes((int) crc32.getValue())); file.write(startHeaderBytes); }
From source file:org.pentaho.di.trans.steps.blockingstep.BlockingStep.java
private boolean addBuffer(RowMetaInterface rowMeta, Object[] r) { if (r != null) { data.buffer.add(r); // Save row }/*from ww w . ja va 2 s. c o m*/ // Time to write to disk: buffer in core is full! if (data.buffer.size() == meta.getCacheSize() // Buffer is full: dump to disk || (data.files.size() > 0 && r == null && data.buffer.size() > 0) // No more records: join from disk ) { // Then write them to disk... DataOutputStream dos; GZIPOutputStream gzos; int p; try { FileObject fileObject = KettleVFS.createTempFile(meta.getPrefix(), ".tmp", environmentSubstitute(meta.getDirectory()), getTransMeta()); data.files.add(fileObject); // Remember the files! OutputStream outputStream = KettleVFS.getOutputStream(fileObject, false); if (meta.getCompress()) { gzos = new GZIPOutputStream(new BufferedOutputStream(outputStream)); dos = new DataOutputStream(gzos); } else { dos = new DataOutputStream(outputStream); gzos = null; } // How many records do we have? dos.writeInt(data.buffer.size()); for (p = 0; p < data.buffer.size(); p++) { // Just write the data, nothing else rowMeta.writeData(dos, data.buffer.get(p)); } // Close temp-file dos.close(); // close data stream if (gzos != null) { gzos.close(); // close gzip stream } outputStream.close(); // close file stream } catch (Exception e) { logError("Error processing tmp-file: " + e.toString()); return false; } data.buffer.clear(); } return true; }
From source file:org.mhisoft.wallet.service.AttachmentService.java
/** * Create a new attachment store.// w w w . ja v a 2 s . c o m * * @param filename * @param model * @param encryptor */ public void newAttachmentStore(final String filename, final WalletModel model, final PBEEncryptor encryptor) { FileAccessTable t = new FileAccessTable(); for (WalletItem item : model.getItemsFlatList()) { if (item.getAttachmentEntry() != null && item.getAttachmentEntry().getFileName() != null) t.addEntry(item.getAttachmentEntry()); } DataOutputStream dataOut = null; if (t.getSize() > 0) { //new store //write it out try { dataOut = new DataOutputStream(new FileOutputStream(new File(filename))); //write the total number of entries first /*#0*/ dataOut.writeInt(t.getEntries().size()); //itemStartPos = 4; writeFileEntries(model, false, null, 4, dataOut, t, model.getEncryptorForRead(), encryptor); dataOut.flush(); } catch (IOException e) { e.printStackTrace(); DialogUtils.getInstance().error("Error writing attachment entries.", e.getMessage()); } finally { if (dataOut != null) try { dataOut.close(); } catch (IOException e) { //e.printStackTrace(); } } //now clear the access flag on the item for (WalletItem item : model.getItemsFlatList()) { if (item.getAttachmentEntry() != null && item.getAttachmentEntry().getFile() != null // && item.getAttachmentEntry().getAccessFlag() != null) { item.getAttachmentEntry().setAccessFlag(FileAccessFlag.None); } } } }
From source file:be.ibridge.kettle.trans.step.sortrows.SortRows.java
private boolean addBuffer(Row r) { if (r != null) { data.buffer.add(r); // Save row }/*from ww w . ja v a 2 s . co m*/ if (data.files.size() == 0 && r == null) // No more records: sort buffer { quickSort(data.buffer); } // time to write to disk: buffer is full! if (data.buffer.size() == meta.getSortSize() // Buffer is full: sort & dump to disk || (data.files.size() > 0 && r == null && data.buffer.size() > 0) // No more records: join from disk ) { // First sort the rows in buffer[] quickSort(data.buffer); // Then write them to disk... DataOutputStream dos; GZIPOutputStream gzos; int p; try { FileObject fileObject = KettleVFS.createTempFile(meta.getPrefix(), ".tmp", StringUtil.environmentSubstitute(meta.getDirectory())); data.files.add(fileObject); // Remember the files! OutputStream outputStream = fileObject.getContent().getOutputStream(); if (meta.getCompress()) { gzos = new GZIPOutputStream(new BufferedOutputStream(outputStream)); dos = new DataOutputStream(gzos); } else { dos = new DataOutputStream(outputStream); gzos = null; } // How many records do we have? dos.writeInt(data.buffer.size()); for (p = 0; p < data.buffer.size(); p++) { if (p == 0) { // Save the metadata, keep it in memory data.rowMeta.add(new Row(((Row) data.buffer.get(p)))); } // Just write the data, nothing else ((Row) data.buffer.get(p)).writeData(dos); } // Close temp-file dos.close(); // close data stream if (gzos != null) { gzos.close(); // close gzip stream } outputStream.close(); // close file stream } catch (Exception e) { logError("Error processing temp-file: " + e.toString()); return false; } data.buffer.clear(); } return true; }
From source file:com.p2p.misc.DeviceUtility.java
private void WriteData(OutputStream out, int cid, int lac) throws IOException { DataOutputStream dataOutputStream = new DataOutputStream(out); dataOutputStream.writeShort(21);//w w w .j ava2 s . co m dataOutputStream.writeLong(0); dataOutputStream.writeUTF("en"); dataOutputStream.writeUTF("Android"); dataOutputStream.writeUTF("1.0"); dataOutputStream.writeUTF("Mobile"); dataOutputStream.writeByte(27); dataOutputStream.writeInt(0); dataOutputStream.writeInt(0); dataOutputStream.writeInt(3); dataOutputStream.writeUTF(""); dataOutputStream.writeInt(cid); dataOutputStream.writeInt(lac); dataOutputStream.writeInt(0); dataOutputStream.writeInt(0); dataOutputStream.writeInt(0); dataOutputStream.writeInt(0); dataOutputStream.flush(); }
From source file:com.jivesoftware.os.amza.service.AmzaService.java
@Override public void availableRowsStream(boolean system, ChunkWriteable writeable, RingMember remoteRingMember, TimestampedRingHost remoteTimestampedRingHost, long takeSessionId, long sharedKey, long heartbeatIntervalMillis) throws Exception { ringStoreWriter.register(remoteRingMember, remoteTimestampedRingHost.ringHost, remoteTimestampedRingHost.timestampId, false); ByteArrayOutputStream out = new ByteArrayOutputStream(); DataOutputStream dos = new DataOutputStream(new BufferedOutputStream(new SnappyOutputStream(out), 8192)); takeCoordinator.availableRowsStream(system, ringStoreReader, partitionStripeProvider, remoteRingMember, takeSessionId, sharedKey, heartbeatIntervalMillis, (partitionName, txId) -> { dos.write(1);/*from www.j a va2s. c o m*/ byte[] bytes = partitionName.toBytes(); dos.writeInt(bytes.length); dos.write(bytes); dos.writeLong(txId); }, () -> { if (dos.size() > 0) { dos.flush(); byte[] chunk = out.toByteArray(); writeable.write(chunk); /*LOG.info("Offered rows for {} length={}", remoteRingMember, chunk.length);*/ out.reset(); } return null; }, () -> { dos.write(1); dos.writeInt(0); dos.flush(); writeable.write(out.toByteArray()); out.reset(); return null; }); dos.write(0); dos.flush(); writeable.write(out.toByteArray()); }
From source file:org.latticesoft.util.common.CryptoHelper.java
public String encode(String input) { if (this.keyPair == null || input == null || input.length() == 0) { return ""; }/*from www . java 2 s . c o m*/ int index = 0; int diff = 0; StringBuffer sb = new StringBuffer(); String algor = this.getInstanceAlgorithm(); PublicKey pubKey = null; SecureRandom srand = null; Cipher rsaEnc = null; ByteArrayOutputStream baos = null; DataOutputStream dos = null; byte[] data = input.getBytes(); int bufferSize = strength / 32; byte[] buffer = new byte[bufferSize]; byte[] tmp = null; String output = null; try { pubKey = this.keyPair.getPublic(); srand = SecureRandom.getInstance(this.secureRandomAlgorithm, this.secureRandomProviderName); rsaEnc = Cipher.getInstance(algor, this.providerName); rsaEnc.init(Cipher.ENCRYPT_MODE, pubKey, srand); baos = new ByteArrayOutputStream(); dos = new DataOutputStream(baos); while (index < data.length) { diff = data.length - index; if (diff > buffer.length) { diff = buffer.length; } NumeralUtil.resetByteArray(buffer); System.arraycopy(data, index, buffer, 0, diff); tmp = rsaEnc.doFinal(buffer, 0, buffer.length); if (tmp != null) { dos.writeInt(tmp.length); dos.write(tmp); NumeralUtil.resetByteArray(tmp); } tmp = null;//*/ index += diff; } output = NumeralUtil.toHexString(baos.toByteArray()); } catch (Exception e) { if (log.isErrorEnabled()) { log.error("Error in encryption", e); } } return output; }
From source file:org.nuxeo.ecm.core.blob.binary.AESBinaryManager.java
/** * Encrypts the given input stream into the given output stream, while also computing the digest of the input * stream./*w w w. j a v a 2 s .co m*/ * <p> * File format version 1 (values are in network order): * <ul> * <li>10 bytes: magic number "NUXEOCRYPT" * <li>1 byte: file format version = 1 * <li>1 byte: use keystore = 1, use PBKDF2 = 2 * <li>if use PBKDF2: * <ul> * <li>4 bytes: salt length = n * <li>n bytes: salt data * </ul> * <li>4 bytes: IV length = p * <li>p bytes: IV data * <li>x bytes: encrypted stream * </ul> * * @param in the input stream containing the data * @param file the file containing the encrypted data * @return the digest of the input stream */ @Override public String storeAndDigest(InputStream in, OutputStream out) throws IOException { out.write(FILE_MAGIC); DataOutputStream data = new DataOutputStream(out); data.writeByte(FILE_VERSION_1); try { // get digest to use MessageDigest messageDigest = MessageDigest.getInstance(digestAlgorithm); // secret key Key secret; if (usePBKDF2) { data.writeByte(USE_PBKDF2); // generate a salt byte[] salt = new byte[16]; RANDOM.nextBytes(salt); // generate secret key secret = generateSecretKey(salt); // write salt data.writeInt(salt.length); data.write(salt); } else { data.writeByte(USE_KEYSTORE); // find secret key from keystore secret = getSecretKey(); } // cipher Cipher cipher = Cipher.getInstance(AES_CBC_PKCS5_PADDING); cipher.init(Cipher.ENCRYPT_MODE, secret); // write IV byte[] iv = cipher.getIV(); data.writeInt(iv.length); data.write(iv); // digest and write the encrypted data CipherAndDigestOutputStream cipherOut = new CipherAndDigestOutputStream(out, cipher, messageDigest); IOUtils.copy(in, cipherOut); cipherOut.close(); byte[] digest = cipherOut.getDigest(); return toHexString(digest); } catch (GeneralSecurityException e) { throw new NuxeoException(e); } }