List of usage examples for com.google.common.io LittleEndianDataOutputStream LittleEndianDataOutputStream
public LittleEndianDataOutputStream(OutputStream out)
From source file:org.glukit.dexcom.sync.LittleEndianDataOutputFactory.java
@Override public DataOutput create(OutputStream outputStream) { return new LittleEndianDataOutputStream(outputStream); }
From source file:io.airlift.slice.OutputStreamSliceOutput.java
@SuppressWarnings("IOResourceOpenedButNotSafelyClosed") public OutputStreamSliceOutput(OutputStream outputStream) { checkNotNull(outputStream, "outputStream is null"); countingOutputStream = new CountingOutputStream(outputStream); dataOutputStream = new LittleEndianDataOutputStream(countingOutputStream); }
From source file:org.apache.hadoop.hive.ql.io.slice.OutputStreamSliceOutput.java
@SuppressWarnings("IOResourceOpenedButNotSafelyClosed") public OutputStreamSliceOutput(OutputStream outputStream) { countingOutputStream = new CountingOutputStream(outputStream); dataOutputStream = new LittleEndianDataOutputStream(countingOutputStream); }
From source file:terralib.World.java
public final void write(File file) throws IOException { OutputStream stream = new BufferedOutputStream(new FileOutputStream(file)); write(new LittleEndianDataOutputStream(stream)); stream.flush();//from www .ja v a 2 s . co m stream.close(); }
From source file:org.bimserver.serializers.binarygeometry.BinaryGeometrySerializer.java
private void writeGeometries(OutputStream outputStream) throws IOException { long start = System.nanoTime(); LittleEndianDataOutputStream dataOutputStream = new LittleEndianDataOutputStream(outputStream); // Identifier for clients to determine if this server is even serving binary geometry dataOutputStream.writeUTF("BGS"); // Version of the current format being outputted, should be changed for every (released) change in protocol dataOutputStream.writeByte(FORMAT_VERSION); Bounds modelBounds = new Bounds(); int nrObjects = 0; // All access to EClass is being done generically to support multiple IFC schema's with 1 serializer EClass productClass = getModel().getPackageMetaData().getEClass("IfcProduct"); List<IdEObject> products = getModel().getAllWithSubTypes(productClass); // First iteration, to determine number of objects with geometry and calculate model bounds for (IdEObject ifcProduct : products) { GeometryInfo geometryInfo = (GeometryInfo) ifcProduct .eGet(ifcProduct.eClass().getEStructuralFeature("geometry")); if (geometryInfo != null && geometryInfo.getTransformation() != null) { Bounds objectBounds = new Bounds( new Float3(geometryInfo.getMinBounds().getX(), geometryInfo.getMinBounds().getY(), geometryInfo.getMinBounds().getZ()), new Float3(geometryInfo.getMaxBounds().getX(), geometryInfo.getMaxBounds().getY(), geometryInfo.getMaxBounds().getZ())); modelBounds.integrate(objectBounds); nrObjects++;/*from w ww . j a va 2s . c om*/ } } modelBounds.writeTo(dataOutputStream); dataOutputStream.writeInt(nrObjects); int bytesSaved = 0; int bytesTotal = 0; // Keeping track of geometry already sent, this can be used for instancing of reused geometry Set<Long> concreteGeometrySent = new HashSet<>(); // Flushing here so the client can show progressbar etc... dataOutputStream.flush(); int bytes = 6; int counter = 0; // Second iteration actually writing the geometry for (IdEObject ifcProduct : products) { GeometryInfo geometryInfo = (GeometryInfo) ifcProduct .eGet(ifcProduct.eClass().getEStructuralFeature("geometry")); if (geometryInfo != null && geometryInfo.getTransformation() != null) { String type = ifcProduct.eClass().getName(); dataOutputStream.writeUTF(type); dataOutputStream.writeLong(ifcProduct.getOid()); GeometryData geometryData = geometryInfo.getData(); byte[] vertices = geometryData.getVertices(); // BEWARE, ByteOrder is always LITTLE_ENDIAN, because that's what GPU's seem to prefer, Java's ByteBuffer default is BIG_ENDIAN though! bytesTotal += vertices.length; byte geometryType = concreteGeometrySent.contains(geometryData.getOid()) ? GEOMETRY_TYPE_INSTANCE : GEOMETRY_TYPE_TRIANGLES; dataOutputStream.write(geometryType); bytes += (type.getBytes(Charsets.UTF_8).length + 3); // This is an ugly hack to align the bytes, but for 2 different kinds of output (this first one is the websocket implementation) int skip = 4 - (bytes % 4); // TODO fix if (skip != 0 && skip != 4) { dataOutputStream.write(new byte[skip]); } bytes = 0; dataOutputStream.write(geometryInfo.getTransformation()); if (concreteGeometrySent.contains(geometryData.getOid())) { // Reused geometry, only send the id of the reused geometry data dataOutputStream.writeLong(geometryData.getOid()); bytesSaved += vertices.length; } else { ByteBuffer vertexByteBuffer = ByteBuffer.wrap(vertices); dataOutputStream.writeLong(geometryData.getOid()); Bounds objectBounds = new Bounds(geometryInfo.getMinBounds(), geometryInfo.getMaxBounds()); objectBounds.writeTo(dataOutputStream); ByteBuffer indicesBuffer = ByteBuffer.wrap(geometryData.getIndices()); dataOutputStream.writeInt(indicesBuffer.capacity() / 4); dataOutputStream.write(indicesBuffer.array()); dataOutputStream.writeInt(vertexByteBuffer.capacity() / 4); dataOutputStream.write(vertexByteBuffer.array()); ByteBuffer normalsBuffer = ByteBuffer.wrap(geometryData.getNormals()); dataOutputStream.writeInt(normalsBuffer.capacity() / 4); dataOutputStream.write(normalsBuffer.array()); // Only when materials are used we send them if (geometryData.getMaterials() != null) { ByteBuffer materialsByteBuffer = ByteBuffer.wrap(geometryData.getMaterials()); dataOutputStream.writeInt(materialsByteBuffer.capacity() / 4); dataOutputStream.write(materialsByteBuffer.array()); } else { // No materials used dataOutputStream.writeInt(0); } concreteGeometrySent.add(geometryData.getOid()); } counter++; if (counter % 12 == 0) { // Flushing in batches, this is to limit the amount of WebSocket messages dataOutputStream.flush(); } } } dataOutputStream.flush(); if (bytesTotal != 0 && bytesSaved != 0) { LOGGER.info((100 * bytesSaved / bytesTotal) + "% saved"); } long end = System.nanoTime(); LOGGER.debug(((end - start) / 1000000) + " ms"); }
From source file:de.nx42.maps4cim.map.TextureMap.java
/** * Stores the texture map in the specified output stream, storing the integers * in little endian byte order/* w ww.j av a 2s . c o m*/ * @param out the output stream to write the texture map into * @param textureMap the texture map to write * @throws MapGeneratorException when the size of the texture map is invalid * @throws IOException when the resulting map can't be written */ protected void storeByteStream(OutputStream out, int[][] textureMap) throws MapGeneratorException, IOException { if (isValidSize(textureMap)) { // byte outputput stream, wrapped by a little endian integer processor ByteArrayOutputStream bos = new ByteArrayOutputStream(byteAmount); LittleEndianDataOutputStream dos = new LittleEndianDataOutputStream(bos); // pass the resulting integers to the little endian byte output stream for (int y = 0; y < edgeLength; y++) { for (int x = 0; x < edgeLength; x++) { dos.writeInt(textureMap[x][y]); } } // writeTo to the user defined output streame bos.writeTo(out); // close streams dos.close(); bos.close(); } else { throw new MapGeneratorException( "The size of the texture map is invalid. " + "Only Maps with 2048 * 2048 blocks are allowed"); } }
From source file:org.bimserver.serializers.binarygeometry.BinaryGeometryMessagingStreamingSerializer2.java
@Override public boolean writeMessage(OutputStream outputStream, ProgressReporter progressReporter) throws IOException, SerializerException { dataOutputStream = new LittleEndianDataOutputStream(outputStream); switch (mode) { case LOAD: {//from w w w. j a v a2 s.c om load(); mode = Mode.START; } case START: writeStart(); mode = Mode.DATA; break; case DATA: if (!writeData()) { mode = Mode.END; return true; } break; case END: writeEnd(); return false; default: break; } return true; }
From source file:org.bimserver.serializers.binarygeometry.BinaryGeometryMessagingSerializer.java
private boolean writeStart(OutputStream outputStream) throws IOException { LittleEndianDataOutputStream dataOutputStream = new LittleEndianDataOutputStream(outputStream); // Identifier for clients to determine if this server is even serving binary geometry dataOutputStream.writeByte(MessageType.INIT.getId()); dataOutputStream.writeUTF("BGS"); // Version of the current format being outputted, should be changed for every (released) change in protocol dataOutputStream.writeByte(FORMAT_VERSION); Bounds modelBounds = new Bounds(); int nrObjects = 0; // All access to EClass is being done generically to support multiple IFC schema's with 1 serializer EClass productClass = model.getPackageMetaData().getEClass("IfcProduct"); List<IdEObject> products = model.getAllWithSubTypes(productClass); // First iteration, to determine number of objects with geometry and calculate model bounds for (IdEObject ifcProduct : products) { GeometryInfo geometryInfo = (GeometryInfo) ifcProduct .eGet(ifcProduct.eClass().getEStructuralFeature("geometry")); if (geometryInfo != null && geometryInfo.getTransformation() != null) { Bounds objectBounds = new Bounds( new Float3(geometryInfo.getMinBounds().getX(), geometryInfo.getMinBounds().getY(), geometryInfo.getMinBounds().getZ()), new Float3(geometryInfo.getMaxBounds().getX(), geometryInfo.getMaxBounds().getY(), geometryInfo.getMaxBounds().getZ())); modelBounds.integrate(objectBounds); nrObjects++;/*w ww . jav a2 s. co m*/ } } int skip = 4 - (7 % 4); if (skip != 0 && skip != 4) { dataOutputStream.write(new byte[skip]); } modelBounds.writeTo(dataOutputStream); dataOutputStream.writeInt(nrObjects); concreteGeometrySent = new HashMap<Long, Object>(); EClass productEClass = packageMetaData.getEClass("IfcProduct"); iterator = model.getAllWithSubTypes(productEClass).iterator(); return nrObjects > 0; }
From source file:sx.kenji.sharpserializerjvm.SharpSerializer.java
public void serialize(Property property) { try {//from www . ja v a 2 s.co m FileOutputStream baseStream = new FileOutputStream(targetFile, true); try (LittleEndianDataOutputStream stream = new LittleEndianDataOutputStream(baseStream)) { baseStream.getChannel().position(baseStream.getChannel().size()); Serializer serializer = new Serializer(stream); serializer.serialize(property); } } catch (IOException e) { logger.error("Error opening target file '%s' for serializing: `{}`.", targetFile, e.getMessage()); } }
From source file:de.nx42.maps4cim.map.ReliefMap.java
/** * Stores the relief map in the specified output stream, transforming * the floats to little endian 32 bit integers. * @param out the output stream to write the relief map into * @param reliefMap the relief map to write * @throws MapGeneratorException when the size of the relief map is invalid * @throws IOException when the resulting map can't be written *//*from w ww . j a va 2 s .c o m*/ protected void storeByteStream(OutputStream out, float[][] reliefMap) throws MapGeneratorException, IOException { if (isValidSize(reliefMap)) { // byte outputput stream, wrapped by a little endian integer processor ByteArrayOutputStream bos = new ByteArrayOutputStream(byteAmount); LittleEndianDataOutputStream dos = new LittleEndianDataOutputStream(bos); // pass the resulting integers to the little endian byte output stream for (int y = 0; y < edgeLength; y++) { for (int x = 0; x < edgeLength; x++) { // convert the floats (meter) to integers (millimeter) dos.writeInt((int) (reliefMap[y][x] * 1000)); } } // write to the user defined output stream bos.writeTo(out); // close streams dos.close(); bos.close(); } else { throw new MapGeneratorException("The size of the relief map is invalid. " + "Only Maps with 2049 * 2049 control points are allowed"); } }