81 lines
3.6 KiB
Java
81 lines
3.6 KiB
Java
/*
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* Copyright 2011 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.codec.http.websocketx;
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import java.net.URI;
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import java.util.Map;
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/**
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* Instances the appropriate handshake class to use for clients
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*/
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public class WebSocketClientHandshakerFactory {
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/**
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* Creates a new handshaker.
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*
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* @param webSocketURL
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* URL for web socket communications. e.g "ws://myhost.com/mypath". Subsequent web socket frames will be
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* sent to this URL.
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* @param version
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* Version of web socket specification to use to connect to the server
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* @param subprotocol
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* Sub protocol request sent to the server. Null if no sub-protocol support is required.
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* @param allowExtensions
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* Allow extensions to be used in the reserved bits of the web socket frame
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* @param customHeaders
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* Custom HTTP headers to send during the handshake
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*/
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public WebSocketClientHandshaker newHandshaker(
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URI webSocketURL, WebSocketVersion version, String subprotocol,
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boolean allowExtensions, Map<String, String> customHeaders) {
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return newHandshaker(webSocketURL, version, subprotocol, allowExtensions, customHeaders, 65536);
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}
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/**
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* Creates a new handshaker.
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*
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* @param webSocketURL
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* URL for web socket communications. e.g "ws://myhost.com/mypath". Subsequent web socket frames will be
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* sent to this URL.
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* @param version
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* Version of web socket specification to use to connect to the server
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* @param subprotocol
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* Sub protocol request sent to the server. Null if no sub-protocol support is required.
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* @param allowExtensions
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* Allow extensions to be used in the reserved bits of the web socket frame
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* @param customHeaders
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* Custom HTTP headers to send during the handshake
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* @param maxFramePayloadLength
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* Maximum allowable frame payload length. Setting this value to your application's requirement may
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* reduce denial of service attacks using long data frames.
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*/
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public WebSocketClientHandshaker newHandshaker(
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URI webSocketURL, WebSocketVersion version, String subprotocol,
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boolean allowExtensions, Map<String, String> customHeaders, int maxFramePayloadLength) {
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if (version == WebSocketVersion.V13) {
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return new WebSocketClientHandshaker13(webSocketURL, version, subprotocol, allowExtensions, customHeaders, maxFramePayloadLength);
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}
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if (version == WebSocketVersion.V08) {
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return new WebSocketClientHandshaker08(webSocketURL, version, subprotocol, allowExtensions, customHeaders, maxFramePayloadLength);
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}
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if (version == WebSocketVersion.V00) {
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return new WebSocketClientHandshaker00(webSocketURL, version, subprotocol, customHeaders, maxFramePayloadLength);
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}
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throw new WebSocketHandshakeException("Protocol version " + version.toString() + " not supported.");
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}
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}
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