1 /* 2 * ==================================================================== 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * ==================================================================== 20 * 21 * This software consists of voluntary contributions made by many 22 * individuals on behalf of the Apache Software Foundation. For more 23 * information on the Apache Software Foundation, please see 24 * <http://www.apache.org/>. 25 * 26 */ 27 28 package org.apache.hc.core5.http.nio; 29 30 import java.io.IOException; 31 32 import org.apache.hc.core5.http.HttpException; 33 import org.apache.hc.core5.http.MessageHeaders; 34 35 /** 36 * Message writer intended to serialize HTTP message head to a session buffer. 37 * 38 * @since 4.0 39 */ 40 public interface NHttpMessageWriter<T extends MessageHeaders> { 41 42 /** 43 * Resets the writer. The writer will be ready to start serializing another 44 * HTTP message. 45 */ 46 void reset(); 47 48 /** 49 * Writes out the HTTP message head. 50 * 51 * @param message HTTP message. 52 * @param buffer session output buffer. 53 * @throws IOException in case of an I/O error. 54 * @throws HttpException in case the HTTP message is malformed or 55 * violates the HTTP protocol. 56 */ 57 void write(T message, SessionOutputBuffer buffer) throws IOException, HttpException; 58 59 }