001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.commons.fileupload; 018 019import java.io.InputStream; 020import java.io.IOException; 021 022/** 023 * <p>Abstracts access to the request information needed for file uploads. This 024 * interface should be implemented for each type of request that may be 025 * handled by FileUpload, such as servlets and portlets.</p> 026 * 027 * @since FileUpload 1.1 028 */ 029public interface RequestContext { 030 031 /** 032 * Retrieve the character encoding for the request. 033 * 034 * @return The character encoding for the request. 035 */ 036 String getCharacterEncoding(); 037 038 /** 039 * Retrieve the content type of the request. 040 * 041 * @return The content type of the request. 042 */ 043 String getContentType(); 044 045 /** 046 * Retrieve the content length of the request. 047 * 048 * @return The content length of the request. 049 * @deprecated 1.3 Use {@link UploadContext#contentLength()} instead 050 */ 051 @Deprecated 052 int getContentLength(); 053 054 /** 055 * Retrieve the input stream for the request. 056 * 057 * @return The input stream for the request. 058 * 059 * @throws IOException if a problem occurs. 060 */ 061 InputStream getInputStream() throws IOException; 062 063}