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Java-WebSocket Source Code Files
Java-WebSocket Source Code Files are provided in the source package file, java-websocket-1.5.4-src.zip.
You can download httpcomponents-client-5.2-src.zip as described in the previous tutorial and go to the "src" sub-folder to view Source Code files.
You can also browse HttpComponents Client Source Code files below:
✍: FYIcenter.com
⏎ org/java_websocket/util/Charsetfunctions.java
/* * Copyright (c) 2010-2020 Nathan Rajlich * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ package org.java_websocket.util; import java.nio.ByteBuffer; import java.nio.charset.CharacterCodingException; import java.nio.charset.CharsetDecoder; import java.nio.charset.CodingErrorAction; import java.nio.charset.StandardCharsets; import org.java_websocket.exceptions.InvalidDataException; import org.java_websocket.framing.CloseFrame; public class Charsetfunctions { /** * Private constructor for real static class */ private Charsetfunctions() { } private static final CodingErrorAction codingErrorAction = CodingErrorAction.REPORT; /* * @return UTF-8 encoding in bytes */ public static byte[] utf8Bytes(String s) { return s.getBytes(StandardCharsets.UTF_8); } /* * @return ASCII encoding in bytes */ public static byte[] asciiBytes(String s) { return s.getBytes(StandardCharsets.US_ASCII); } public static String stringAscii(byte[] bytes) { return stringAscii(bytes, 0, bytes.length); } public static String stringAscii(byte[] bytes, int offset, int length) { return new String(bytes, offset, length, StandardCharsets.US_ASCII); } public static String stringUtf8(byte[] bytes) throws InvalidDataException { return stringUtf8(ByteBuffer.wrap(bytes)); } public static String stringUtf8(ByteBuffer bytes) throws InvalidDataException { CharsetDecoder decode = StandardCharsets.UTF_8.newDecoder(); decode.onMalformedInput(codingErrorAction); decode.onUnmappableCharacter(codingErrorAction); String s; try { bytes.mark(); s = decode.decode(bytes).toString(); bytes.reset(); } catch (CharacterCodingException e) { throw new InvalidDataException(CloseFrame.NO_UTF8, e); } return s; } /** * Implementation of the "Flexible and Economical UTF-8 Decoder" algorithm by Björn Höhrmann * (http://bjoern.hoehrmann.de/utf-8/decoder/dfa/) */ private static final int[] utf8d = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 00..1f 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 20..3f 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 40..5f 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 60..7f 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, // 80..9f 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, // a0..bf 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // c0..df 0xa, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x4, 0x3, 0x3, // e0..ef 0xb, 0x6, 0x6, 0x6, 0x5, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, // f0..ff 0x0, 0x1, 0x2, 0x3, 0x5, 0x8, 0x7, 0x1, 0x1, 0x1, 0x4, 0x6, 0x1, 0x1, 0x1, 0x1, // s0..s0 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, // s1..s2 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, // s3..s4 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, // s5..s6 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 // s7..s8 }; /** * Check if the provided BytebBuffer contains a valid utf8 encoded string. * <p> * Using the algorithm "Flexible and Economical UTF-8 Decoder" by Björn Höhrmann * (http://bjoern.hoehrmann.de/utf-8/decoder/dfa/) * * @param data the ByteBuffer * @param off offset (for performance reasons) * @return does the ByteBuffer contain a valid utf8 encoded string */ public static boolean isValidUTF8(ByteBuffer data, int off) { int len = data.remaining(); if (len < off) { return false; } int state = 0; for (int i = off; i < len; ++i) { state = utf8d[256 + (state << 4) + utf8d[(0xff & data.get(i))]]; if (state == 1) { return false; } } return true; } /** * Calling isValidUTF8 with offset 0 * * @param data the ByteBuffer * @return does the ByteBuffer contain a valid utf8 encoded string */ public static boolean isValidUTF8(ByteBuffer data) { return isValidUTF8(data, 0); } }
⏎ org/java_websocket/util/Charsetfunctions.java
Or download all of them as a single archive file:
File name: java-websocket-1.5.4-fyi.zip File size: 153990 bytes Release date: 2022-07-04 Download
⇒ Download and Install javax.websocket-api-1.1.jar
⇐ Download Java-WebSocket Implementation
2023-02-23, 4199👍, 2💬
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