001/* 002 * Copyright 2002-2013 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.http.server; 018 019import java.io.Closeable; 020import java.io.Flushable; 021import java.io.IOException; 022 023import org.springframework.http.HttpOutputMessage; 024import org.springframework.http.HttpStatus; 025 026/** 027 * Represents a server-side HTTP response. 028 * 029 * @author Arjen Poutsma 030 * @since 3.0 031 */ 032public interface ServerHttpResponse extends HttpOutputMessage, Flushable, Closeable { 033 034 /** 035 * Set the HTTP status code of the response. 036 * @param status the HTTP status as an HttpStatus enum value 037 */ 038 void setStatusCode(HttpStatus status); 039 040 /** 041 * Ensure that the headers and the content of the response are written out. 042 * <p>After the first flush, headers can no longer be changed. 043 * Only further content writing and content flushing is possible. 044 */ 045 @Override 046 void flush() throws IOException; 047 048 /** 049 * Close this response, freeing any resources created. 050 */ 051 @Override 052 void close(); 053 054}