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Java example source code file (PerMessageDeflateClientExtensionHandshaker.java)
The PerMessageDeflateClientExtensionHandshaker.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.compression; import static io.netty.handler.codec.http.websocketx.extensions.compression. PerMessageDeflateServerExtensionHandshaker.*; import io.netty.handler.codec.compression.ZlibCodecFactory; import io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtension; import io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandshaker; import io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionData; import io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionDecoder; import io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionEncoder; import java.util.HashMap; import java.util.Iterator; import java.util.Map.Entry; /** * <a href="http://tools.ietf.org/html/draft-ietf-hybi-permessage-compression-18">permessage-deflate * handshake implementation. */ public final class PerMessageDeflateClientExtensionHandshaker implements WebSocketClientExtensionHandshaker { private final int compressionLevel; private final boolean allowClientWindowSize; private final int requestedServerWindowSize; private final boolean allowClientNoContext; private final boolean requestedServerNoContext; /** * Constructor with default configuration. */ public PerMessageDeflateClientExtensionHandshaker() { this(6, ZlibCodecFactory.isSupportingWindowSizeAndMemLevel(), MAX_WINDOW_SIZE, false, false); } /** * Constructor with custom configuration. * * @param compressionLevel * Compression level between 0 and 9 (default is 6). * @param allowClientWindowSize * allows WebSocket server to customize the client inflater window size * (default is false). * @param requestedServerWindowSize * indicates the requested sever window size to use if server inflater is customizable. * @param allowClientNoContext * allows WebSocket server to activate client_no_context_takeover * (default is false). * @param requestedServerNoContext * indicates if client needs to activate server_no_context_takeover * if server is compatible with (default is false). */ public PerMessageDeflateClientExtensionHandshaker(int compressionLevel, boolean allowClientWindowSize, int requestedServerWindowSize, boolean allowClientNoContext, boolean requestedServerNoContext) { if (requestedServerWindowSize > MAX_WINDOW_SIZE || requestedServerWindowSize < MIN_WINDOW_SIZE) { throw new IllegalArgumentException( "requestedServerWindowSize: " + requestedServerWindowSize + " (expected: 8-15)"); } if (compressionLevel < 0 || compressionLevel > 9) { throw new IllegalArgumentException( "compressionLevel: " + compressionLevel + " (expected: 0-9)"); } this.compressionLevel = compressionLevel; this.allowClientWindowSize = allowClientWindowSize; this.requestedServerWindowSize = requestedServerWindowSize; this.allowClientNoContext = allowClientNoContext; this.requestedServerNoContext = requestedServerNoContext; } @Override public WebSocketExtensionData newRequestData() { HashMap<String, String> parameters = new HashMap Other Java examples (source code examples)Here is a short list of links related to this Java PerMessageDeflateClientExtensionHandshaker.java source code file: |
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