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commons-net.jar Source Code
commons-net.jar is the bytecode of Apache Commons Net library, which implements the client side of many basic Internet protocols.
Apache Commons Net Source Code files are provided in the binary packge (commons-net-3.8.0-bin.zip). You can download it at Apache Commons Net Website.
The source code of commons-net-3.8.0.jar is provided below:
✍: FYIcenter
⏎ org/apache/commons/net/telnet/WindowSizeOptionHandler.java
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.commons.net.telnet; /** * Implements the telnet window size option RFC 1073. * @since 2.0 */ public class WindowSizeOptionHandler extends TelnetOptionHandler { /** * Horizontal Size */ private int width = 80; /** * Vertical Size */ private int height = 24; /** * Window size option */ protected static final int WINDOW_SIZE = 31; /** * Constructor for the WindowSizeOptionHandler. Allows defining desired * initial setting for local/remote activation of this option and * behavior in case a local/remote activation request for this * option is received. * <p> * @param nWidth - Window width. * @param nHeight - Window Height * @param initlocal - if set to true, a WILL is sent upon connection. * @param initremote - if set to true, a DO is sent upon connection. * @param acceptlocal - if set to true, any DO request is accepted. * @param acceptremote - if set to true, any WILL request is accepted. */ public WindowSizeOptionHandler( final int nWidth, final int nHeight, final boolean initlocal, final boolean initremote, final boolean acceptlocal, final boolean acceptremote ) { super ( TelnetOption.WINDOW_SIZE, initlocal, initremote, acceptlocal, acceptremote ); width = nWidth; height = nHeight; } /** * Constructor for the WindowSizeOptionHandler. Initial and accept * behavior flags are set to false * <p> * @param nWidth - Window width. * @param nHeight - Window Height */ public WindowSizeOptionHandler( final int nWidth, final int nHeight ) { super ( TelnetOption.WINDOW_SIZE, false, false, false, false ); width = nWidth; height = nHeight; } /** * Implements the abstract method of TelnetOptionHandler. * This will send the client Height and Width to the server. * <p> * @return array to send to remote system */ @Override public int[] startSubnegotiationLocal() { final int nCompoundWindowSize = width * 0x10000 + height; int nResponseSize = 5; int nIndex; int nShift; int nTurnedOnBits; if (width % 0x100 == 0xFF) { nResponseSize += 1; } if (width / 0x100 == 0xFF) { nResponseSize += 1; } if (height % 0x100 == 0xFF) { nResponseSize += 1; } if (height / 0x100 == 0xFF) { nResponseSize += 1; } // // allocate response array // final int response[] = new int[nResponseSize]; // // Build response array. // --------------------- // 1. put option name. // 2. loop through Window size and fill the values, // 3. duplicate 'ff' if needed. // response[0] = WINDOW_SIZE; // 1 // for ( // 2 // nIndex=1, nShift = 24; nIndex < nResponseSize; nIndex++, nShift -=8 ) { nTurnedOnBits = 0xFF; nTurnedOnBits <<= nShift; response[nIndex] = (nCompoundWindowSize & nTurnedOnBits) >>> nShift; if (response[nIndex] == 0xff) { // 3 // nIndex++; response[nIndex] = 0xff; } } return response; } }
⏎ org/apache/commons/net/telnet/WindowSizeOptionHandler.java
Or download all of them as a single archive file:
File name: commons-net-3.8.0-sources.jar File size: 437325 bytes Release date: 2020-01-22 Download
⇒ Download and Install commons-net.jar Binary Package
2009-02-08, 132182👍, 0💬
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