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Java example source code file (WebSocketExtensionUtil.java)
The WebSocketExtensionUtil.java Java example source code/* * Copyright 2014 The Netty Project * * The Netty Project 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 io.netty.handler.codec.http.websocketx.extensions; import io.netty.handler.codec.http.HttpHeaderNames; import io.netty.handler.codec.http.HttpHeaderValues; import io.netty.handler.codec.http.HttpHeaders; import io.netty.util.internal.StringUtil; import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Map.Entry; import java.util.regex.Matcher; import java.util.regex.Pattern; public final class WebSocketExtensionUtil { private static final char EXTENSION_SEPARATOR = ','; private static final char PARAMETER_SEPARATOR = ';'; private static final char PARAMETER_EQUAL = '='; private static final Pattern PARAMETER = Pattern.compile("^([^=]+)(=[\\\"]?([^\\\"]+)[\\\"]?)?$"); static boolean isWebsocketUpgrade(HttpHeaders headers) { return headers.containsValue(HttpHeaderNames.CONNECTION, HttpHeaderValues.UPGRADE, true) && headers.contains(HttpHeaderNames.UPGRADE, HttpHeaderValues.WEBSOCKET, true); } public static List<WebSocketExtensionData> extractExtensions(String extensionHeader) { String[] rawExtensions = StringUtil.split(extensionHeader, EXTENSION_SEPARATOR); if (rawExtensions.length > 0) { List<WebSocketExtensionData> extensions = new ArrayList Other Java examples (source code examples)Here is a short list of links related to this Java WebSocketExtensionUtil.java source code file: |
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