List of usage examples for io.netty.buffer Unpooled directBuffer
public static ByteBuf directBuffer(int initialCapacity)
From source file:com.heliosapm.tsdblite.handlers.http.HttpStaticFileServerHandler.java
License:Open Source License
/** * Loads the Static UI content files from the classpath JAR to the configured static root directory * @param the name of the content directory to write the content to *///from ww w. ja v a2 s .c om private void loadContent(String contentDirectory) { File gpDir = new File(contentDirectory); final long startTime = System.currentTimeMillis(); int filesLoaded = 0; int fileFailures = 0; int fileNewer = 0; long bytesLoaded = 0; String codeSourcePath = HttpStaticFileServerHandler.class.getProtectionDomain().getCodeSource() .getLocation().getPath(); File file = new File(codeSourcePath); if (codeSourcePath.endsWith(".jar") && file.exists() && file.canRead()) { JarFile jar = null; ByteBuf contentBuffer = Unpooled.directBuffer(300000); try { jar = new JarFile(file); final Enumeration<JarEntry> entries = jar.entries(); while (entries.hasMoreElements()) { JarEntry entry = entries.nextElement(); final String name = entry.getName(); if (name.startsWith(CONTENT_PREFIX + "/")) { final int contentSize = (int) entry.getSize(); final long contentTime = entry.getTime(); if (entry.isDirectory()) { new File(gpDir, name).mkdirs(); continue; } File contentFile = new File(gpDir, name.replace(CONTENT_PREFIX + "/", "")); if (!contentFile.getParentFile().exists()) { contentFile.getParentFile().mkdirs(); } if (contentFile.exists()) { if (contentFile.lastModified() >= contentTime) { log.debug("File in directory was newer [{}]", name); fileNewer++; continue; } contentFile.delete(); } log.debug("Writing content file [{}]", contentFile); contentFile.createNewFile(); if (!contentFile.canWrite()) { log.warn("Content file [{}] not writable", contentFile); fileFailures++; continue; } FileOutputStream fos = null; InputStream jis = null; try { fos = new FileOutputStream(contentFile); jis = jar.getInputStream(entry); contentBuffer.writeBytes(jis, contentSize); contentBuffer.readBytes(fos, contentSize); fos.flush(); jis.close(); jis = null; fos.close(); fos = null; filesLoaded++; bytesLoaded += contentSize; log.debug("Wrote content file [{}] + with size [{}]", contentFile, contentSize); } finally { if (jis != null) try { jis.close(); } catch (Exception ex) { } if (fos != null) try { fos.close(); } catch (Exception ex) { } } } // not content } // end of while loop final long elapsed = System.currentTimeMillis() - startTime; StringBuilder b = new StringBuilder( "\n\n\t===================================================\n\tStatic Root Directory:[") .append(contentDirectory).append("]"); b.append("\n\tTotal Files Written:").append(filesLoaded); b.append("\n\tTotal Bytes Written:").append(bytesLoaded); b.append("\n\tFile Write Failures:").append(fileFailures); b.append("\n\tExisting File Newer Than Content:").append(fileNewer); b.append("\n\tElapsed (ms):").append(elapsed); b.append("\n\t===================================================\n"); log.info(b.toString()); } catch (Exception ex) { log.error("Failed to export ui content", ex); } finally { if (jar != null) try { jar.close(); } catch (Exception x) { /* No Op */} } } else { // end of was-not-a-jar log.warn( "\n\tThe TSDBLite classpath is not a jar file, so there is no content to unload.\n\tBuild the OpenTSDB jar and run 'java -jar <jar> --d <target>'."); } }
From source file:com.heliosapm.tsdblite.json.JSON.java
License:Apache License
/** * Serializes the passed object as JSON into the passed buffer * @param obj The object to serialize//from w w w .j a va 2 s . c o m * @param buf The buffer to serialize into. If null, a new buffer is created * @return The buffer the object was written to */ public static ByteBuf serializeToBuf(final Object obj, final ByteBuf buf) { if (obj == null) throw new IllegalArgumentException("The passed object was null"); final ByteBuf b = buf == null ? Unpooled.directBuffer(2048) : buf; OutputStream os = null; try { os = new ByteBufOutputStream(b); serialize(obj, os); os.flush(); return b; } catch (Exception ex) { throw new RuntimeException("Failed to bufferize serialized object", ex); } finally { if (os != null) try { os.close(); } catch (Exception x) { /* No Op */} } }
From source file:com.kixeye.kixmpp.p2p.message.MessageWrapper.java
License:Apache License
public ByteBuf getSerialized(MessageRegistry messageRegistry) { if (buf == null) { try {/*from ww w . j a v a 2 s . c om*/ buf = ProtostuffEncoder.serializeToByteBuf(messageRegistry, Unpooled.directBuffer(256), message); } catch (IOException e) { logger.error("Exception serializing message", e); } } return buf; }
From source file:io.atomix.cluster.messaging.impl.MessageDecoderTest.java
License:Apache License
@Test public void testReadStringFromDirectBuffer() throws Exception { String payload = "huuhaa"; ByteBuf byteBuf = Unpooled.directBuffer(payload.length()) .writeBytes(payload.getBytes(StandardCharsets.UTF_8)); try {/* w ww . j a va 2s . co m*/ assertEquals(payload, MessageDecoder.readString(byteBuf, payload.length(), StandardCharsets.UTF_8)); } finally { byteBuf.release(); } }
From source file:io.grpc.alts.internal.ByteBufTestUtils.java
License:Apache License
public static ByteBuf getDirectBuffer(int len, RegisterRef ref) { return ref.register(Unpooled.directBuffer(len)); }
From source file:org.apache.hadoop.hbase.ipc.NettyRpcConnection.java
License:Apache License
NettyRpcConnection(NettyRpcClient rpcClient, ConnectionId remoteId) throws IOException { super(rpcClient.conf, AbstractRpcClient.WHEEL_TIMER, remoteId, rpcClient.clusterId, rpcClient.userProvider.isHBaseSecurityEnabled(), rpcClient.codec, rpcClient.compressor); this.rpcClient = rpcClient; byte[] connectionHeaderPreamble = getConnectionHeaderPreamble(); this.connectionHeaderPreamble = Unpooled.directBuffer(connectionHeaderPreamble.length) .writeBytes(connectionHeaderPreamble); ConnectionHeader header = getConnectionHeader(); this.connectionHeaderWithLength = Unpooled.directBuffer(4 + header.getSerializedSize()); this.connectionHeaderWithLength.writeInt(header.getSerializedSize()); header.writeTo(new ByteBufOutputStream(this.connectionHeaderWithLength)); }
From source file:org.lanternpowered.server.network.buffer.UnpooledByteBufferAllocator.java
License:MIT License
@Override public ByteBuffer directBuffer(int initialCapacity) { return new LanternByteBuffer(Unpooled.directBuffer(initialCapacity)); }
From source file:org.nd4j.linalg.jcublas.buffer.CudaDoubleDataBuffer.java
License:Apache License
private void readObject(java.io.ObjectInputStream stream) throws java.io.IOException, ClassNotFoundException { stream.defaultReadObject();/* w w w .j a v a 2 s.c o m*/ int n = stream.readInt(); double[] arr = new double[n]; for (int i = 0; i < n; i++) { arr[i] = stream.readDouble(); } this.length = n; this.elementSize = Sizeof.DOUBLE; dataBuffer = Unpooled.directBuffer((int) length()); dataBuffer.order(ByteOrder.nativeOrder()); setData(arr); }