List of usage examples for java.util.zip Deflater Deflater
public Deflater(int level, boolean nowrap)
From source file:jfs.sync.encryption.JFSEncryptedStream.java
private void internalClose() throws IOException { delegate.close();/*from ww w.j a va 2 s . co m*/ byte[] bytes = delegate.toByteArray(); final byte[] originalBytes = bytes; long l = bytes.length; byte marker = COMPRESSION_NONE; if (log.isDebugEnabled()) { log.debug("close() checking for compressions for"); } // if CompressionThread dt = new CompressionThread(originalBytes) { @Override public void run() { try { ByteArrayOutputStream deflaterStream = new ByteArrayOutputStream(); Deflater deflater = new Deflater(Deflater.BEST_COMPRESSION, true); OutputStream dos = new DeflaterOutputStream(deflaterStream, deflater, COMPRESSION_BUFFER_SIZE); dos.write(originalBytes); dos.close(); compressedValue = deflaterStream.toByteArray(); } catch (Exception e) { log.error("run()", e); } // try/catch } // run() }; CompressionThread bt = new CompressionThread(originalBytes) { @Override public void run() { try { if (originalBytes.length > BZIP_MAX_LENGTH) { compressedValue = originalBytes; } else { ByteArrayOutputStream bzipStream = new ByteArrayOutputStream(); OutputStream bos = new BZip2CompressorOutputStream(bzipStream); bos.write(originalBytes); bos.close(); compressedValue = bzipStream.toByteArray(); } // if } catch (Exception e) { log.error("run()", e); } // try/catch } // run() }; CompressionThread lt = new CompressionThread(originalBytes) { /* * // " -a{N}: set compression mode - [0, 1], default: 1 (max)\n" + * " -d{N}: set dictionary - [0,28], default: 23 (8MB)\n" * +" -fb{N}: set number of fast bytes - [5, 273], default: 128\n" * +" -lc{N}: set number of literal context bits - [0, 8], default: 3\n" * +" -lp{N}: set number of literal pos bits - [0, 4], default: 0\n" * +" -pb{N}: set number of pos bits - [0, 4], default: 2\n" * +" -mf{MF_ID}: set Match Finder: [bt2, bt4], default: bt4\n"+" -eos: write End Of Stream marker\n"); */ private int dictionarySize = 1 << 23; private int lc = 3; private int lp = 0; private int pb = 2; private int fb = 128; public int algorithm = 2; public int matchFinderIndex = 1; // 0, 1, 2 @Override public void run() { try { Encoder encoder = new Encoder(); encoder.SetEndMarkerMode(false); encoder.SetAlgorithm(algorithm); // Whatever that means encoder.SetDictionarySize(dictionarySize); encoder.SetNumFastBytes(fb); encoder.SetMatchFinder(matchFinderIndex); encoder.SetLcLpPb(lc, lp, pb); ByteArrayOutputStream lzmaStream = new ByteArrayOutputStream(); ByteArrayInputStream inStream = new ByteArrayInputStream(originalBytes); encoder.WriteCoderProperties(lzmaStream); encoder.Code(inStream, lzmaStream, -1, -1, null); compressedValue = lzmaStream.toByteArray(); } catch (Exception e) { log.error("run()", e); } // try/catch } // run() }; dt.start(); bt.start(); lt.start(); try { dt.join(); bt.join(); lt.join(); } catch (InterruptedException e) { log.error("run()", e); } // try/catch if (dt.compressedValue.length < l) { marker = COMPRESSION_DEFLATE; bytes = dt.compressedValue; l = bytes.length; } // if if (lt.compressedValue.length < l) { marker = COMPRESSION_LZMA; bytes = lt.compressedValue; l = bytes.length; } // if if (bt.compressedValue.length < l) { marker = COMPRESSION_BZIP2; bytes = bt.compressedValue; if (log.isWarnEnabled()) { log.warn("close() using bzip2 and saving " + (l - bytes.length) + " bytes."); } // if l = bytes.length; } // if if (log.isInfoEnabled()) { if (marker == COMPRESSION_NONE) { if (log.isInfoEnabled()) { log.info("close() using no compression"); } // if } // if if (marker == COMPRESSION_LZMA) { if (log.isInfoEnabled()) { log.info("close() using lzma"); } // if } // if } // if ObjectOutputStream oos = new ObjectOutputStream(baseOutputStream); oos.writeByte(marker); oos.writeLong(originalBytes.length); oos.flush(); OutputStream out = baseOutputStream; if (cipher != null) { out = new CipherOutputStream(out, cipher); } // if out.write(bytes); out.close(); delegate = null; baseOutputStream = null; }
From source file:prz.PRZ.java
/** * * @param bytes/*from w ww. j ava2s. c o m*/ * @return */ public static byte[] deflate_test(byte[] bytes) { Deflater d = new Deflater(9, true); DeflaterOutputStream dfos; ByteArrayOutputStream baos = new ByteArrayOutputStream(); try { dfos = new DeflaterOutputStream(baos, d); dfos.write(bytes); dfos.finish(); byte[] y = baos.toByteArray(); System.out.println("LZHF-> BitLength:" + (bytes.length * 8) + "| BestLength: " + (y.length * 8) + "| Ratio: " + ((double) y.length / (bytes.length))); return y; } catch (IOException ex) { Logger.getLogger(PRZ.class.getName()).log(Level.SEVERE, null, ex); } return null; }
From source file:gridool.db.partitioning.phihash.csv.distmm.InMemoryIndexHelper.java
private static OutputStream prepareFkOutputStream(final String fkIdxName, final int bucket, final Map<String, OutputStream> outputMap) throws IOException { String fname = fkIdxName + bucket + ".fk.gz"; OutputStream out = outputMap.get(fname); if (out == null) { File file = getFkIndexFile(fname); FileOutputStream fos = new FileOutputStream(file, true); DeflaterOutputStream zos = new DeflaterOutputStream(fos, new Deflater(Deflater.DEFAULT_COMPRESSION, false), COMPRESSOR_BUFSIZE); out = new FastBufferedOutputStream(zos, FKCHUNK_IO_BUFSIZE); outputMap.put(fname, out);// w w w . j a v a 2s .c o m } return out; }
From source file:com.vmware.demo.SamlService.java
public String generateSAMLRequest(String assertionConsumerServiceURL, String nameIdFormat) { String samlRequest = ""; try {// w w w . j av a 2 s .c o m // Generate ID String randId = "A71AB3E13"; // Create an issuer Object IssuerBuilder issuerBuilder = new IssuerBuilder(); Issuer issuer = issuerBuilder.buildObject("urn:oasis:names:tc:SAML:2.0:assertion", "Issuer", "samlp"); issuer.setValue(issuerString); // Create NameIDPolicy NameIDPolicyBuilder nameIdPolicyBuilder = new NameIDPolicyBuilder(); NameIDPolicy nameIdPolicy = nameIdPolicyBuilder.buildObject(); if (StringUtils.isNotEmpty(nameIdFormat)) { nameIdPolicy.setFormat(nameIdFormat); } nameIdPolicy.setSPNameQualifier(issuerString); nameIdPolicy.setAllowCreate(true); // Create AuthnContextClassRef AuthnContextClassRefBuilder authnContextClassRefBuilder = new AuthnContextClassRefBuilder(); AuthnContextClassRef authnContextClassRef = authnContextClassRefBuilder .buildObject("urn:oasis:names:tc:SAML:2.0:assertion", "AuthnContextClassRef", "saml"); authnContextClassRef .setAuthnContextClassRef("urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport"); // Create RequestedAuthnContext RequestedAuthnContextBuilder requestedAuthnContextBuilder = new RequestedAuthnContextBuilder(); RequestedAuthnContext requestedAuthnContext = requestedAuthnContextBuilder.buildObject(); requestedAuthnContext.setComparison(AuthnContextComparisonTypeEnumeration.EXACT); requestedAuthnContext.getAuthnContextClassRefs().add(authnContextClassRef); AuthnRequestBuilder authRequestBuilder = new AuthnRequestBuilder(); AuthnRequest authRequest = authRequestBuilder.buildObject("urn:oasis:names:tc:SAML:2.0:protocol", "AuthnRequest", "samlp"); authRequest.setForceAuthn(false); authRequest.setIsPassive(false); authRequest.setIssueInstant(new DateTime()); authRequest.setProtocolBinding("urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST"); authRequest.setAssertionConsumerServiceURL(assertionConsumerServiceURL); authRequest.setIssuer(issuer); authRequest.setNameIDPolicy(nameIdPolicy); authRequest.setRequestedAuthnContext(requestedAuthnContext); authRequest.setID(randId); authRequest.setVersion(SAMLVersion.VERSION_20); Marshaller marshaller = org.opensaml.Configuration.getMarshallerFactory().getMarshaller(authRequest); org.w3c.dom.Element authDOM = marshaller.marshall(authRequest); StringWriter rspWrt = new StringWriter(); XMLHelper.writeNode(authDOM, rspWrt); String messageXML = rspWrt.toString(); Deflater deflater = new Deflater(Deflater.DEFLATED, true); ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); DeflaterOutputStream deflaterOutputStream = new DeflaterOutputStream(byteArrayOutputStream, deflater); deflaterOutputStream.write(messageXML.getBytes()); deflaterOutputStream.close(); samlRequest = Base64.encodeBytes(byteArrayOutputStream.toByteArray(), Base64.DONT_BREAK_LINES); //samlRequest = URLEncoder.encode(samlRequest); logger.info("samlRequest: " + samlRequest); } catch (MarshallingException e) { logger.error("General Error", e); } catch (IOException e) { logger.error("General Error", e); } return samlRequest; }
From source file:org.wso2.carbon.apim.sso.Util.java
/** * @param xmlString String to be encoded * @return/*from ww w . j a va2 s .c o m*/ */ public static String deflateAndEncode(String xmlString) throws Exception { Deflater deflater = new Deflater(Deflater.DEFLATED, true); ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); DeflaterOutputStream deflaterOutputStream = new DeflaterOutputStream(byteArrayOutputStream, deflater); deflaterOutputStream.write(xmlString.getBytes()); deflaterOutputStream.close(); // Encoding the compressed message String encodedRequestMessage = Base64.encodeBytes(byteArrayOutputStream.toByteArray(), Base64.DONT_BREAK_LINES); return encodedRequestMessage.trim(); }
From source file:org.socraticgrid.workbench.security.wso2.Saml2Util.java
/** * Compressing and Encoding the response * * @param xmlString String to be encoded * @return compressed and encoded String */// w ww . j av a 2 s . com public static String encode(String xmlString) throws Exception { Deflater deflater = new Deflater(Deflater.DEFLATED, true); ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); DeflaterOutputStream deflaterOutputStream = new DeflaterOutputStream(byteArrayOutputStream, deflater); deflaterOutputStream.write(xmlString.getBytes()); deflaterOutputStream.close(); // Encoding the compressed message String encodedRequestMessage = Base64.encodeBytes(byteArrayOutputStream.toByteArray(), Base64.DONT_BREAK_LINES); return encodedRequestMessage.trim(); }
From source file:org.wso2.carbon.identity.sso.saml.SAMLTestRequestBuilder.java
public static String encodeRequestMessage(RequestAbstractType requestMessage) throws MarshallingException, IOException, ConfigurationException { DefaultBootstrap.bootstrap();/* www . ja v a 2 s . com*/ System.setProperty("javax.xml.parsers.DocumentBuilderFactory", "org.apache.xerces.jaxp.DocumentBuilderFactoryImpl"); Marshaller marshaller = Configuration.getMarshallerFactory().getMarshaller(requestMessage); Element authDOM = null; authDOM = marshaller.marshall(requestMessage); /* Compress the message */ Deflater deflater = new Deflater(Deflater.DEFLATED, true); ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); DeflaterOutputStream deflaterOutputStream = new DeflaterOutputStream(byteArrayOutputStream, deflater); StringWriter rspWrt = new StringWriter(); XMLHelper.writeNode(authDOM, rspWrt); deflaterOutputStream.write(rspWrt.toString().getBytes()); deflaterOutputStream.close(); /* Encoding the compressed message */ String encodedRequestMessage = Base64.encodeBytes(byteArrayOutputStream.toByteArray(), Base64.DONT_BREAK_LINES); byteArrayOutputStream.write(byteArrayOutputStream.toByteArray()); byteArrayOutputStream.toString(); return encodedRequestMessage; }
From source file:ddf.security.samlp.SimpleSignTest.java
/** * Deflates a value and Base64 encodes the result. This code is copied from RestSecurity because it would cause a circular dependency to use it directly.. * * @param value value to deflate and Base64 encode * @return String// w w w .j a va 2 s . c om * @throws IOException if the value cannot be converted */ public static String deflateAndBase64Encode(String value) throws IOException { ByteArrayOutputStream valueBytes = new ByteArrayOutputStream(); try (OutputStream tokenStream = new DeflaterOutputStream(valueBytes, new Deflater(Deflater.DEFLATED, true))) { tokenStream.write(value.getBytes(StandardCharsets.UTF_8)); tokenStream.close(); return new String(Base64.encodeBase64(valueBytes.toByteArray())); } }
From source file:org.apache.cloudstack.utils.auth.SAMLUtils.java
public static String encodeSAMLRequest(XMLObject authnRequest) throws MarshallingException, IOException { Marshaller marshaller = Configuration.getMarshallerFactory().getMarshaller(authnRequest); Element authDOM = marshaller.marshall(authnRequest); StringWriter requestWriter = new StringWriter(); XMLHelper.writeNode(authDOM, requestWriter); String requestMessage = requestWriter.toString(); Deflater deflater = new Deflater(Deflater.DEFLATED, true); ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); DeflaterOutputStream deflaterOutputStream = new DeflaterOutputStream(byteArrayOutputStream, deflater); deflaterOutputStream.write(requestMessage.getBytes()); deflaterOutputStream.close();//ww w. j a v a 2 s . c o m String encodedRequestMessage = Base64.encodeBytes(byteArrayOutputStream.toByteArray(), Base64.DONT_BREAK_LINES); encodedRequestMessage = URLEncoder.encode(encodedRequestMessage, HttpUtils.UTF_8).trim(); return encodedRequestMessage; }
From source file:org.phpmaven.phar.PharJavaPackager.java
private void packFile(final ByteArrayOutputStream fileEntriesBaos, final ByteArrayOutputStream compressedFilesBaos, final File fileToPack, String filePath) throws IOException { if (DEBUG) {/*from w w w .ja v a 2 s .c om*/ System.out.println("Packing file " + fileToPack + " with " + fileToPack.length() + " bytes."); } final byte[] fileBytes = filePath.getBytes("UTF-8"); writeIntLE(fileEntriesBaos, fileBytes.length); fileEntriesBaos.write(fileBytes); // TODO Complain with files larger than 4 bytes file length writeIntLE(fileEntriesBaos, (int) fileToPack.length()); writeIntLE(fileEntriesBaos, (int) (fileToPack.lastModified() / 1000)); final byte[] uncompressed = FileUtils.readFileToByteArray(fileToPack); if (DEBUG) { System.out.println("read " + uncompressed.length + " bytes from file."); } final ByteArrayOutputStream compressedStream = new ByteArrayOutputStream(); // final GZIPOutputStream gzipStream = new GZIPOutputStream(compressedStream); // gzipStream.write(uncompressed); // gzipStream.flush(); final CRC32 checksum = new CRC32(); checksum.update(uncompressed); final Deflater deflater = new Deflater(Deflater.DEFAULT_COMPRESSION, true); deflater.setInput(uncompressed); deflater.finish(); final byte[] buf = new byte[Short.MAX_VALUE]; while (!deflater.needsInput()) { final int bytesRead = deflater.deflate(buf); compressedStream.write(buf, 0, bytesRead); } final byte[] compressed = compressedStream.toByteArray(); if (DEBUG) { System.out.println("compressed to " + compressed.length + " bytes."); } // final Inflater decompresser = new Inflater(); // decompresser.setInput(compressed); // byte[] result = new byte[5000]; // try { // int resultLength = decompresser.inflate(result); // final String str = new String(result, 0, resultLength); // int i = 42; // } catch (DataFormatException e) { // // TODO Auto-generated catch block // e.printStackTrace(); // } // decompresser.end(); compressedFilesBaos.write(compressed); writeIntLE(fileEntriesBaos, compressed.length); writeIntLE(fileEntriesBaos, checksum.getValue()); // bits: 0x00001000, gzip fileEntriesBaos.write(0); fileEntriesBaos.write(0x10); fileEntriesBaos.write(0); fileEntriesBaos.write(0); // 0 bytes manifest writeIntLE(fileEntriesBaos, 0); }