/* * Copyright 2013 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.spdy; import io.netty.buffer.ByteBuf; import io.netty.buffer.ByteBufAllocator; import io.netty.util.internal.PlatformDependent; abstract class SpdyHeaderBlockEncoder { static SpdyHeaderBlockEncoder newInstance( SpdyVersion version, int compressionLevel, int windowBits, int memLevel) { if (PlatformDependent.javaVersion() >= 7) { return new SpdyHeaderBlockZlibEncoder( version, compressionLevel); } else { return new SpdyHeaderBlockJZlibEncoder( version, compressionLevel, windowBits, memLevel); } } abstract ByteBuf encode(ByteBufAllocator alloc, SpdyHeadersFrame frame) throws Exception; abstract void end(); }