List of usage examples for java.io DataInputStream readInt
public final int readInt() throws IOException
readInt method of DataInput. From source file:gov.nih.nci.ncicb.tcga.dcc.common.util.ClassVersionChecker.java
private void checkClassVersion(String filename) throws IOException { DataInputStream in = null; try {//from w ww . ja v a 2 s.c o m //noinspection IOResourceOpenedButNotSafelyClosed in = new DataInputStream(new FileInputStream(filename)); int magic = in.readInt(); // The first 4 bytes are a magic number, 0xCAFEBABe, to identify a valid class file // then the next 2 bytes identify the class format version (major and minor). // Possible major/minor value : // // major minor Java platform version // 45 3 1.0 // 45 3 1.1 // 46 0 1.2 // 47 0 1.3 // 48 0 1.4 // 49 0 1.5 // 50 0 1.6 if (magic != 0xcafebabe) LOGGER.info(filename + " is not a valid class!"); int minor = in.readUnsignedShort(); int major = in.readUnsignedShort(); LOGGER.info(filename + ": " + major + " . " + minor); } finally { IOUtils.closeQuietly(in); } }
From source file:com.ryan.ryanreader.cache.PersistentCookieStore.java
public PersistentCookieStore(final byte[] data) throws IOException { final DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data)); final int len = dis.readInt(); for (int i = 0; i < len; i++) { final String name = dis.readUTF(); final String value = dis.readUTF(); final String domain = dis.readUTF(); final String path = dis.readUTF(); final boolean isSecure = dis.readBoolean(); final BasicClientCookie cookie = new BasicClientCookie(name, value); cookie.setDomain(domain);/*from w w w.j av a 2s . c o m*/ cookie.setPath(path); cookie.setSecure(isSecure); cookies.add(cookie); } }
From source file:com.facebook.infrastructure.db.ReadResponse.java
public ReadResponse deserialize(DataInputStream dis) throws IOException { String table = dis.readUTF(); int digestSize = dis.readInt(); byte[] digest = new byte[digestSize]; dis.read(digest, 0, digestSize);/* w w w . ja v a2 s .com*/ boolean isDigest = dis.readBoolean(); Row row = null; if (!isDigest) { row = Row.serializer().deserialize(dis); } ReadResponse rmsg = null; if (isDigest) { rmsg = new ReadResponse(table, digest); } else { rmsg = new ReadResponse(table, row); } rmsg.setIsDigestQuery(isDigest); return rmsg; }
From source file:com.igormaznitsa.jhexed.swing.editor.filecontainer.FileContainer.java
private List<FileContainerSection> loadFromStream(final InputStream in) throws IOException { final DataInputStream din = in instanceof DataInputStream ? (DataInputStream) in : new DataInputStream(in); if (din.readInt() != MAGIC) { throw new IOException("Wrong format, can't find magic"); }//from ww w . j ava2s . c o m final int version = din.readShort() & 0xFFFF; if (version > FORMAT_VERSION) { throw new IllegalArgumentException("Detected unsupported version [" + version + ']'); } final int sectionNumber = din.readUnsignedShort(); final List<FileContainerSection> result = new ArrayList<FileContainerSection>(Math.max(5, sectionNumber)); for (int i = 0; i < sectionNumber; i++) { final FileContainerSection s = new FileContainerSection(in); result.add(s); } if (din.readInt() != MAGIC) { throw new IOException("Can't detecte the end MAGIC"); } return result; }
From source file:Decoder.java
private byte[] checkAndGetLicenseText(String licenseContent) throws Exception { byte[] licenseText; try {/*from w w w.jav a 2s .c om*/ byte[] decodedBytes = Base64.decodeBase64(licenseContent.getBytes()); ByteArrayInputStream in = new ByteArrayInputStream(decodedBytes); DataInputStream dIn = new DataInputStream(in); int textLength = dIn.readInt(); licenseText = new byte[textLength]; dIn.read(licenseText); byte[] hash = new byte[dIn.available()]; dIn.read(hash); try { Signature signature = Signature.getInstance("SHA1withDSA"); signature.initVerify(PUBLIC_KEY); signature.update(licenseText); if (!signature.verify(hash)) { throw new Exception("Failed to verify the license."); } } catch (InvalidKeyException e) { throw new Exception(e); } catch (SignatureException e) { throw new Exception(e); } catch (NoSuchAlgorithmException e) { throw new Exception(e); } } catch (IOException e) { throw new Exception(e); } return licenseText; }
From source file:ubic.gemma.analysis.preprocess.batcheffects.AffyScanDateExtractor.java
/** * @param dis/* w w w . j a v a2s .c om*/ * @return * @throws IOException */ private int readIntLittleEndian(DataInputStream dis) throws IOException { return dis.readInt(); }
From source file:com.igormaznitsa.jhexed.values.HexSVGImageValue.java
public HexSVGImageValue(final InputStream in) throws IOException { super(in);/*from ww w .ja v a2s . c om*/ final DataInputStream din = in instanceof DataInputStream ? (DataInputStream) in : new DataInputStream(in); final byte[] buffer = new byte[din.readInt()]; IOUtils.readFully(in, buffer); this.image = new SVGImage(new ByteArrayInputStream(buffer), true); }
From source file:org.nuxeo.apidoc.introspection.BundleIdReader.java
public synchronized void load(File file) { DataInputStream in = null; try {//from w ww.j a v a2 s. c o m in = new DataInputStream(new BufferedInputStream(new FileInputStream(file))); count = in.readLong(); int size = in.readInt(); for (int i = 0; i < size; i++) { String key = in.readUTF(); long id = in.readLong(); ids.put(key, Long.valueOf(id)); } } catch (FileNotFoundException e) { // do nothing - this is the first time the runtime is started } catch (IOException e) { log.error("The bundle.ids file is corrupted. Resetting bundle ids."); } finally { if (in != null) { try { in.close(); } catch (IOException e) { } } } }
From source file:com.googlecode.jsendnsca.NagiosPassiveCheckSender.java
private byte[] passiveCheck(MessagePayload payload, DataInputStream inputStream) throws IOException, NagiosException { final byte[] initVector = readFrom(inputStream); int receivedTimeStamp = inputStream.readInt(); return new PassiveCheckBytesBuilder(nagiosSettings).withTimeStamp(receivedTimeStamp) .withLevel(payload.getLevel()).withHostname(payload.getHostname()) .withServiceName(payload.getServiceName()).withMessage(payload.getMessage()).writeCRC() .encrypt(initVector).toByteArray(); }
From source file:ml.shifu.shifu.util.IndependentTreeModelUtils.java
public boolean convertZipSpecToBinary(File zipSpecFile, File outputGbtFile) { ZipInputStream zipInputStream = null; FileOutputStream fos = null;//from w ww .j a va2 s . com try { zipInputStream = new ZipInputStream(new FileInputStream(zipSpecFile)); IndependentTreeModel treeModel = null; List<List<TreeNode>> trees = null; ZipEntry zipEntry = null; do { zipEntry = zipInputStream.getNextEntry(); if (zipEntry != null) { if (zipEntry.getName().equals(MODEL_CONF)) { ByteArrayOutputStream byos = new ByteArrayOutputStream(); IOUtils.copy(zipInputStream, byos); treeModel = JSONUtils.readValue(new ByteArrayInputStream(byos.toByteArray()), IndependentTreeModel.class); } else if (zipEntry.getName().equals(MODEL_TREES)) { DataInputStream dataInputStream = new DataInputStream(zipInputStream); int size = dataInputStream.readInt(); trees = new ArrayList<List<TreeNode>>(size); for (int i = 0; i < size; i++) { int forestSize = dataInputStream.readInt(); List<TreeNode> forest = new ArrayList<TreeNode>(forestSize); for (int j = 0; j < forestSize; j++) { TreeNode treeNode = new TreeNode(); treeNode.readFields(dataInputStream); forest.add(treeNode); } trees.add(forest); } } } } while (zipEntry != null); if (treeModel != null && CollectionUtils.isNotEmpty(trees)) { treeModel.setTrees(trees); fos = new FileOutputStream(outputGbtFile); treeModel.saveToInputStream(fos); } else { return false; } } catch (IOException e) { logger.error("Error occurred when convert the zip format model to binary.", e); return false; } finally { IOUtils.closeQuietly(zipInputStream); IOUtils.closeQuietly(fos); } return true; }