/* * ==================================================================== * 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 com.foxinmy.weixin4j.http.apache; /** * Constants and static helpers related to the HTTP protocol. * * @since 4.0 */ public final class HTTP { public static final int CR = 13; // <US-ASCII CR, carriage return (13)> public static final int LF = 10; // <US-ASCII LF, linefeed (10)> public static final int SP = 32; // <US-ASCII SP, space (32)> public static final int HT = 9; // <US-ASCII HT, horizontal-tab (9)> /** HTTP header definitions */ public static final String TRANSFER_ENCODING = "Transfer-Encoding"; public static final String CONTENT_LEN = "Content-Length"; public static final String CONTENT_TYPE = "Content-Type"; public static final String CONTENT_ENCODING = "Content-Encoding"; public static final String EXPECT_DIRECTIVE = "Expect"; public static final String CONN_DIRECTIVE = "Connection"; public static final String TARGET_HOST = "Host"; public static final String USER_AGENT = "User-Agent"; public static final String DATE_HEADER = "Date"; public static final String SERVER_HEADER = "Server"; /** HTTP expectations */ public static final String EXPECT_CONTINUE = "100-continue"; /** HTTP connection control */ public static final String CONN_CLOSE = "Close"; public static final String CONN_KEEP_ALIVE = "Keep-Alive"; /** Transfer encoding definitions */ public static final String CHUNK_CODING = "chunked"; public static final String IDENTITY_CODING = "identity"; public static boolean isWhitespace(char ch) { return ch == SP || ch == HT || ch == CR || ch == LF; } private HTTP() { } }