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HttpComponents Core Source Code Files
HttpComponents Core Source Code Files are provided in the source package file, httpcomponents-core-5.2-src.zip.
You can download httpcomponents-core-5.2-src.zip as described in the previous tutorial and go to the "httpcore5/src" sub-folder to view Source Code files.
You can also browse HttpComponents Core Source Code below:
✍: FYIcenter.com
⏎ org/apache/hc/core5/net/InetAddressUtils.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. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * */ package org.apache.hc.core5.net; import java.net.InetAddress; import java.net.InetSocketAddress; import java.net.SocketAddress; import java.net.UnknownHostException; import java.util.regex.Pattern; import org.apache.hc.core5.util.Args; /** * A collection of utilities relating to InetAddresses. * * @since 4.0 */ public class InetAddressUtils { /** * Represents the ipv4 * * @since 5.1 */ public static final byte IPV4 = 1; /** * Represents the ipv6. * * @since 5.1 */ public static final byte IPV6 = 4; private InetAddressUtils() { } private static final String IPV4_BASIC_PATTERN_STRING = "(([1-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){1}" + // initial first field, 1-255 "(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){2}" + // following 2 fields, 0-255 followed by . "([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])"; // final field, 0-255 private static final Pattern IPV4_PATTERN = Pattern.compile("^" + IPV4_BASIC_PATTERN_STRING + "$"); private static final Pattern IPV4_MAPPED_IPV6_PATTERN = // TODO does not allow for redundant leading zeros Pattern.compile("^::[fF]{4}:" + IPV4_BASIC_PATTERN_STRING + "$"); private static final Pattern IPV6_STD_PATTERN = Pattern.compile( "^[0-9a-fA-F]{1,4}(:[0-9a-fA-F]{1,4}){7}$"); private static final Pattern IPV6_HEX_COMPRESSED_PATTERN = Pattern.compile( "^(([0-9A-Fa-f]{1,4}(:[0-9A-Fa-f]{1,4}){0,5})?)" + // 0-6 hex fields "::" + "(([0-9A-Fa-f]{1,4}(:[0-9A-Fa-f]{1,4}){0,5})?)$"); // 0-6 hex fields /* * The above pattern is not totally rigorous as it allows for more than 7 hex fields in total */ private static final char COLON_CHAR = ':'; // Must not have more than 7 colons (i.e. 8 fields) private static final int MAX_COLON_COUNT = 7; /** * Checks whether the parameter is a valid IPv4 address * * @param input the address string to check for validity * @return true if the input parameter is a valid IPv4 address */ public static boolean isIPv4Address(final String input) { return IPV4_PATTERN.matcher(input).matches(); } public static boolean isIPv4MappedIPv64Address(final String input) { return IPV4_MAPPED_IPV6_PATTERN.matcher(input).matches(); } static boolean hasValidIPv6ColonCount(final String input) { int colonCount = 0; for (int i = 0; i < input.length(); i++) { if (input.charAt(i) == COLON_CHAR) { colonCount++; } } // IPv6 address must have at least 2 colons and not more than 7 (i.e. 8 fields) return colonCount >= 2 && colonCount <= MAX_COLON_COUNT; } /** * Checks whether the parameter is a valid standard (non-compressed) IPv6 address * * @param input the address string to check for validity * @return true if the input parameter is a valid standard (non-compressed) IPv6 address */ public static boolean isIPv6StdAddress(final String input) { return hasValidIPv6ColonCount(input) && IPV6_STD_PATTERN.matcher(input).matches(); } /** * Checks whether the parameter is a valid compressed IPv6 address * * @param input the address string to check for validity * @return true if the input parameter is a valid compressed IPv6 address */ public static boolean isIPv6HexCompressedAddress(final String input) { return hasValidIPv6ColonCount(input) && IPV6_HEX_COMPRESSED_PATTERN.matcher(input).matches(); } /** * Checks whether the parameter is a valid IPv6 address (including compressed). * * @param input the address string to check for validity * @return true if the input parameter is a valid standard or compressed IPv6 address */ public static boolean isIPv6Address(final String input) { return isIPv6StdAddress(input) || isIPv6HexCompressedAddress(input); } /** * Checks whether the parameter is a valid URL formatted bracketed IPv6 address (including compressed). * This matches only bracketed values e.g. {@code [::1]}. * * @param input the address string to check for validity * @return true if the input parameter is a valid URL-formatted bracketed IPv6 address */ public static boolean isIPv6URLBracketedAddress(final String input) { return input.startsWith("[") && input.endsWith("]") && isIPv6Address(input.substring(1, input.length() - 1)); } /** * Formats {@link SocketAddress} as text. * * @since 5.0 */ public static void formatAddress( final StringBuilder buffer, final SocketAddress socketAddress) { Args.notNull(buffer, "buffer"); if (socketAddress instanceof InetSocketAddress) { final InetSocketAddress socketaddr = (InetSocketAddress) socketAddress; final InetAddress inetaddr = socketaddr.getAddress(); if (inetaddr != null) { buffer.append(inetaddr.getHostAddress()).append(':').append(socketaddr.getPort()); } else { buffer.append(socketAddress); } } else { buffer.append(socketAddress); } } /** * Returns canonical name (fully qualified domain name) of the localhost. * * @since 5.0 */ public static String getCanonicalLocalHostName() { try { final InetAddress localHost = InetAddress.getLocalHost(); return localHost.getCanonicalHostName(); } catch (final UnknownHostException ex) { return "localhost"; } } }
⏎ org/apache/hc/core5/net/InetAddressUtils.java
Or download all them as a single archive file:
File name: httpcore5-5.2-fyi.zip File size: 812477 bytes Release date: 2022-11-10 Download
⇒ Donwload httpcomponents-client-4.5.3-bin.zip
⇐ Download and Install HttpComponents Core Source Package
2023-03-07, 17910👍, 0💬
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