//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET: //ORIGINAL LINE: public void write(String fileName) throws java.io.IOException public virtual void write(string fileName) { System.IO.FileStream fileOutputStream = new System.IO.FileStream(fileName, System.IO.FileMode.Create, System.IO.FileAccess.Write); GZIPOutputStream gzipOutputStream = new GZIPOutputStream(fileOutputStream); BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(gzipOutputStream); StateOutputStream stream = new StateOutputStream(bufferedOutputStream); if (log.InfoEnabled) { Console.WriteLine(string.Format("Writing state to file '{0}'", fileName)); } try { write(stream); } finally { stream.close(); } //if (log.DebugEnabled) { Console.WriteLine(string.Format("Done writing state to file '{0}'", fileName)); } }
public virtual void TestGzipCompatibility() { Random r = new Random(); long seed = r.NextLong(); r.SetSeed(seed); Log.Info("seed: " + seed); DataOutputBuffer dflbuf = new DataOutputBuffer(); GZIPOutputStream gzout = new GZIPOutputStream(dflbuf); byte[] b = new byte[r.Next(128 * 1024 + 1)]; r.NextBytes(b); gzout.Write(b); gzout.Close(); DataInputBuffer gzbuf = new DataInputBuffer(); gzbuf.Reset(dflbuf.GetData(), dflbuf.GetLength()); Configuration conf = new Configuration(); conf.SetBoolean(CommonConfigurationKeys.IoNativeLibAvailableKey, false); CompressionCodec codec = ReflectionUtils.NewInstance <GzipCodec>(conf); Decompressor decom = codec.CreateDecompressor(); NUnit.Framework.Assert.IsNotNull(decom); Assert.Equal(typeof(BuiltInGzipDecompressor), decom.GetType()); InputStream gzin = codec.CreateInputStream(gzbuf, decom); dflbuf.Reset(); IOUtils.CopyBytes(gzin, dflbuf, 4096); byte[] dflchk = Arrays.CopyOf(dflbuf.GetData(), dflbuf.GetLength()); Assert.AssertArrayEquals(b, dflchk); }
/// <summary> /// Compresses a GZIP file. /// </summary> /// <param name="bytes"> The uncompressed bytes. </param> /// <returns> The compressed bytes. </returns> /// <exception cref="IOException"> if an I/O error occurs. </exception> public static byte[] Gzip(byte[] bytes) { /* create the streams */ var @is = new ByteArrayInputStream(bytes); try { var bout = new ByteArrayOutputStream(); var os = new GZIPOutputStream(bout); try { /* copy data between the streams */ var buf = new byte[4096]; var len = 0; while ((len = @is.read(buf, 0, buf.Length)) != -1) { os.write(buf, 0, len); } } finally { os.close(); } /* return the compressed bytes */ return(bout.toByteArray()); } finally { @is.close(); } }
/// <summary> /// Constructor which takes a GISModel and a File and invokes the /// GISModelWriter appropriate for the suffix. /// </summary> /// <param name="model"> The GISModel which is to be persisted. </param> /// <param name="f"> The File in which the model is to be stored. </param> public SuffixSensitivePerceptronModelWriter(AbstractModel model, Jfile f) : base(model) { OutputStream output; string filename = f.Name; // handle the zipped/not zipped distinction if (filename.EndsWith(".gz", StringComparison.Ordinal)) { output = new GZIPOutputStream(new FileOutputStream(f)); filename = filename.Substring(0, filename.Length - 3); } else { output = new DataOutputStream(new FileOutputStream(f)); } // handle the different formats if (filename.EndsWith(".bin", StringComparison.Ordinal)) { suffixAppropriateWriter = new BinaryPerceptronModelWriter(model, new DataOutputStream(output)); } else // default is ".txt" { suffixAppropriateWriter = new PlainTextPerceptronModelWriter(model, new BufferedWriter(new OutputStreamWriter(output))); } }
public GenericModelWriter(AbstractModel model, Jfile file) { string filename = file.Name; OutputStream os; // handle the zipped/not zipped distinction if (filename.EndsWith(".gz", StringComparison.Ordinal)) { os = new GZIPOutputStream(new FileOutputStream(file)); filename = filename.Substring(0, filename.Length - 3); } else { os = new FileOutputStream(file); } // handle the different formats if (filename.EndsWith(".bin", StringComparison.Ordinal)) { init(model, new DataOutputStream(os)); } else // filename ends with ".txt" { init(model, new BufferedWriter(new OutputStreamWriter(os))); } }
/// <exception cref="System.IO.IOException"/> public static int WriteCompressedByteArray(BinaryWriter writer, byte[] bytes) { if (bytes != null) { ByteArrayOutputStream bos = new ByteArrayOutputStream(); GZIPOutputStream gzout = new GZIPOutputStream(bos); try { gzout.Write(bytes, 0, bytes.Length); gzout.Close(); gzout = null; } finally { IOUtils.CloseStream(gzout); } byte[] buffer = bos.ToByteArray(); int len = buffer.Length; @out.WriteInt(len); @out.Write(buffer, 0, len); /* debug only! Once we have confidence, can lose this. */ return((bytes.Length != 0) ? (100 * buffer.Length) / bytes.Length : 0); } else { @out.WriteInt(-1); return(-1); } }
public override void serializeBody(OutputStream stream) { ByteArrayOutputStream stream2 = new ByteArrayOutputStream(); GZIPOutputStream stream3 = new GZIPOutputStream(stream2); this.method.serialize(stream3); stream3.flush(); stream3.close(); StreamingUtils.writeTLBytes(stream2.toByteArray(), stream); }
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#: //ORIGINAL LINE: private java.io.File compressWithGZip(String text) throws java.io.IOException private File CompressWithGZip(string text) { File file = Directory.file("compressed"); using (GZIPOutputStream @out = new GZIPOutputStream(new FileStream(file, FileMode.Create, FileAccess.Write))) { @out.write(text.GetBytes()); } return(file); }
/// <summary>Similar to the unix gzip command, only it does not delete the file after compressing it.</summary> /// <param name="uncompressedFileName">The file to gzip</param> /// <param name="compressedFileName">The file name for the compressed file</param> /// <exception cref="System.IO.IOException"/> public static void GzipFile(File uncompressedFileName, File compressedFileName) { using (GZIPOutputStream @out = new GZIPOutputStream(new FileOutputStream(compressedFileName))) { using (FileInputStream @in = new FileInputStream(uncompressedFileName)) { byte[] buf = new byte[1024]; for (int len; (len = @in.Read(buf)) > 0;) { @out.Write(buf, 0, len); } } } }
/// <exception cref="System.IO.IOException"></exception> public override void WriteTo(OutputStream outstream) { Args.NotNull(outstream, "Output stream"); GZIPOutputStream gzip = new GZIPOutputStream(outstream); try { wrappedEntity.WriteTo(gzip); } finally { gzip.Close(); } }
/// <summary>Write the word vectors to a file.</summary> /// <param name="file">The file to write to.</param> /// <exception cref="System.IO.IOException">Thrown if the file could not be written to.</exception> public virtual void Serialize(string file) { using (OutputStream output = new BufferedOutputStream(new FileOutputStream(new File(file)))) { if (file.EndsWith(".gz")) { using (GZIPOutputStream gzip = new GZIPOutputStream(output)) { Serialize(gzip); } } else { Serialize(output); } } }
/// <exception cref="System.IO.IOException"></exception> internal virtual void SendRequest() { // Try to compress the content, but only if that is smaller. TemporaryBuffer buf = new TemporaryBuffer.Heap(this._enclosing.http.postBuffer); try { GZIPOutputStream gzip = new GZIPOutputStream(buf); [email protected](gzip, null); gzip.Close(); if ([email protected]() < buf.Length()) { buf = this.@out; } } catch (IOException) { // Most likely caused by overflowing the buffer, meaning // its larger if it were compressed. Don't compress. buf = this.@out; } this.OpenStream(); if (buf != this.@out) { this.conn.SetRequestProperty(HttpSupport.HDR_CONTENT_ENCODING, HttpSupport.ENCODING_GZIP ); } this.conn.SetFixedLengthStreamingMode((int)buf.Length()); OutputStream httpOut = this.conn.GetOutputStream(); try { buf.WriteTo(httpOut, null); } finally { httpOut.Close(); } }
/// <exception cref="System.IO.IOException"/> internal virtual void GzipConcatTest(Configuration conf, Type decomClass) { Random r = new Random(); long seed = r.NextLong(); r.SetSeed(seed); Log.Info(decomClass + " seed: " + seed); int Concat = r.Next(4) + 3; int Buflen = 128 * 1024; DataOutputBuffer dflbuf = new DataOutputBuffer(); DataOutputBuffer chkbuf = new DataOutputBuffer(); byte[] b = new byte[Buflen]; for (int i = 0; i < Concat; ++i) { GZIPOutputStream gzout = new GZIPOutputStream(dflbuf); r.NextBytes(b); int len = r.Next(Buflen); int off = r.Next(Buflen - len); chkbuf.Write(b, off, len); gzout.Write(b, off, len); gzout.Close(); } byte[] chk = Arrays.CopyOf(chkbuf.GetData(), chkbuf.GetLength()); CompressionCodec codec = ReflectionUtils.NewInstance <GzipCodec>(conf); Decompressor decom = codec.CreateDecompressor(); NUnit.Framework.Assert.IsNotNull(decom); Assert.Equal(decomClass, decom.GetType()); DataInputBuffer gzbuf = new DataInputBuffer(); gzbuf.Reset(dflbuf.GetData(), dflbuf.GetLength()); InputStream gzin = codec.CreateInputStream(gzbuf, decom); dflbuf.Reset(); IOUtils.CopyBytes(gzin, dflbuf, 4096); byte[] dflchk = Arrays.CopyOf(dflbuf.GetData(), dflbuf.GetLength()); Assert.AssertArrayEquals(chk, dflchk); }
/// <summary> /// gzip Compress /// </summary> /// <param name="originalBytes">Data to be compressed</param> /// <returns>Compressed data</returns> private static sbyte[] Compress(sbyte[] originalBytes) { if (originalBytes == null || originalBytes.Length == 0) { return(null); } try { //using (var result = new MemoryStream()) //{ // var lengthBytes = BitConverter.GetBytes(originalBytes.Length); // result.Write(lengthBytes, 0, 4); // using (var compressionStream = new GZipStream(result, // CompressionMode.Compress)) // { // compressionStream.Write((byte[])(Array)originalBytes, 0, originalBytes.Length); // compressionStream.Flush(); // } // return (sbyte[])(Array)result.ToArray(); //} using (MemoryStream memoryStream = new MemoryStream()) { GZIPOutputStream outputStream = new GZIPOutputStream(memoryStream); outputStream.Write((byte[])(Array)originalBytes); outputStream.Finish(); return((sbyte[])(Array)memoryStream.ToArray()); } } catch (System.Exception e) { System.Console.WriteLine(e.Message); return(null); } }
public virtual byte[] ConvertToBytes(IList <Tree> input) { try { ByteArrayOutputStream bos = new ByteArrayOutputStream(); GZIPOutputStream gos = new GZIPOutputStream(bos); ObjectOutputStream oos = new ObjectOutputStream(gos); IList <Tree> transformed = CollectionUtils.TransformAsList(input, treeBasicCategories); IList <Tree> filtered = CollectionUtils.FilterAsList(transformed, treeFilter); oos.WriteObject(filtered.Count); foreach (Tree tree in filtered) { oos.WriteObject(tree.ToString()); } oos.Close(); gos.Close(); bos.Close(); return(bos.ToByteArray()); } catch (IOException e) { throw new RuntimeIOException(e); } }
/// <exception cref="System.IO.IOException"/> public override OutputStream Write(Annotation corpus, OutputStream os) { if (!(os is GZIPOutputStream)) { if (compress) { os = new GZIPOutputStream(os); } } PrintWriter pw = new PrintWriter(os); // save the coref graph in the new format IDictionary <int, CorefChain> chains = corpus.Get(typeof(CorefCoreAnnotations.CorefChainAnnotation)); SaveCorefChains(chains, pw); // save the coref graph on one line // Note: this is the old format! IList <Pair <IntTuple, IntTuple> > corefGraph = corpus.Get(typeof(CorefCoreAnnotations.CorefGraphAnnotation)); if (corefGraph != null) { bool first = true; foreach (Pair <IntTuple, IntTuple> arc in corefGraph) { if (!first) { pw.Print(" "); } pw.Printf("%d %d %d %d", arc.first.Get(0), arc.first.Get(1), arc.second.Get(0), arc.second.Get(1)); first = false; } } pw.Println(); // save sentences separated by an empty line IList <ICoreMap> sentences = corpus.Get(typeof(CoreAnnotations.SentencesAnnotation)); foreach (ICoreMap sent in sentences) { // save the parse tree first, on a single line Tree tree = sent.Get(typeof(TreeCoreAnnotations.TreeAnnotation)); if (tree != null) { string treeString = tree.ToString(); // no \n allowed in the parse tree string (might happen due to tokenization of HTML/XML/RDF tags) treeString = treeString.ReplaceAll("\n", " "); pw.Println(treeString); } else { pw.Println(); } SemanticGraph collapsedDeps = sent.Get(typeof(SemanticGraphCoreAnnotations.CollapsedDependenciesAnnotation)); SaveDependencyGraph(collapsedDeps, pw); SemanticGraph uncollapsedDeps = sent.Get(typeof(SemanticGraphCoreAnnotations.BasicDependenciesAnnotation)); SaveDependencyGraph(uncollapsedDeps, pw); SemanticGraph ccDeps = sent.Get(typeof(SemanticGraphCoreAnnotations.CollapsedCCProcessedDependenciesAnnotation)); SaveDependencyGraph(ccDeps, pw); // save all sentence tokens IList <CoreLabel> tokens = sent.Get(typeof(CoreAnnotations.TokensAnnotation)); if (tokens != null) { foreach (CoreLabel token in tokens) { SaveToken(token, haveExplicitAntecedent, pw); pw.Println(); } } // add an empty line after every sentence pw.Println(); } pw.Flush(); return(os); }
private sbyte[] getCompressedPrxFile(string dirName, string fileName) { string proxyFileName; if (string.ReferenceEquals(dirName, null) || dirName.Length == 0) { proxyFileName = fileName; } else { proxyFileName = dirName + "/" + fileName; } IVirtualFile vFileUncompressed = base.ioOpen(proxyFileName, PSP_O_RDONLY, 0); if (vFileUncompressed == null) { return(null); } sbyte[] bufferUncompressed = Utilities.readCompleteFile(vFileUncompressed); vFileUncompressed.ioClose(); if (bufferUncompressed == null) { return(null); } int headerMagic = Utilities.readUnaligned32(bufferUncompressed, 0); if (headerMagic != Elf32Header.ELF_MAGIC) { return(bufferUncompressed); } int lengthUncompressed = bufferUncompressed.Length; System.IO.MemoryStream osCompressed = new System.IO.MemoryStream(PSP_HEADER_SIZE + 9 + lengthUncompressed); try { writePspHeader(osCompressed, bufferUncompressed, fileName); // loadcore.prx and sysmem.prx need to be compressed using KL4E. // KL4E supports a version where the data is not compressed. // Use this simple version as we have no real KL4E compressor. if (isKl4eCompression(fileName)) { writeString(osCompressed, "KL4E", 4); write8(osCompressed, 0x80); // Flag indicating that the rest of the data is uncompressed write32(osCompressed, endianSwap32(lengthUncompressed)); writeBytes(osCompressed, bufferUncompressed, lengthUncompressed); } else { GZIPOutputStream os = new GZIPOutputStream(osCompressed); os.write(bufferUncompressed, 0, lengthUncompressed); os.close(); } } catch (IOException) { } sbyte[] bytes = osCompressed.toByteArray(); fixPspSizeInHeader(bytes); return(bytes); }
/// <exception cref="System.IO.IOException"></exception> internal virtual void Execute() { [email protected](); if (this.conn == null) { // Output hasn't started yet, because everything fit into // our request buffer. Send with a Content-Length header. // if ([email protected]() == 0) { throw new TransportException(this._enclosing.uri, JGitText.Get().startingReadStageWithoutWrittenRequestDataPendingIsNotSupported ); } // Try to compress the content, but only if that is smaller. TemporaryBuffer buf = new TemporaryBuffer.Heap(this._enclosing.http.postBuffer); try { GZIPOutputStream gzip = new GZIPOutputStream(buf); [email protected](gzip, null); gzip.Close(); if ([email protected]() < buf.Length()) { buf = this.@out; } } catch (IOException) { // Most likely caused by overflowing the buffer, meaning // its larger if it were compressed. Don't compress. buf = this.@out; } this.OpenStream(); if (buf != this.@out) { this.conn.SetRequestProperty(HttpSupport.HDR_CONTENT_ENCODING, HttpSupport.ENCODING_GZIP ); } this.conn.SetFixedLengthStreamingMode((int)buf.Length()); OutputStream httpOut = this.conn.GetOutputStream(); try { buf.WriteTo(httpOut, null); } finally { httpOut.Close(); } } [email protected](); int status = HttpSupport.Response(this.conn); if (status != HttpURLConnection.HTTP_OK) { throw new TransportException(this._enclosing.uri, status + " " + this.conn.GetResponseMessage ()); } //$NON-NLS-1$ string contentType = this.conn.GetContentType(); if (!this.responseType.Equals(contentType)) { this.conn.GetInputStream().Close(); throw this._enclosing.WrongContentType(this.responseType, contentType); } [email protected](this._enclosing.OpenInputStream(this.conn)); [email protected](this.execute); this.conn = null; }