Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF 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 org.apache.commons.fileupload; import java.io.InputStream; import java.io.IOException; /** * <p>Abstracts access to the request information needed for file uploads. This * interfsace should be implemented for each type of request that may be * handled by FileUpload, such as servlets and portlets.</p> * * @author <a href="mailto:martinc@apache.org">Martin Cooper</a> * * @since FileUpload 1.1 * * @version $Id: RequestContext.java 479262 2006-11-26 03:09:24Z niallp $ */ public interface RequestContext { /** * Retrieve the character encoding for the request. * * @return The character encoding for the request. */ String getCharacterEncoding(); /** * Retrieve the content type of the request. * * @return The content type of the request. */ String getContentType(); /** * Retrieve the content length of the request. * * @return The content length of the request. */ int getContentLength(); /** * Retrieve the input stream for the request. * * @return The input stream for the request. * * @throws IOException if a problem occurs. */ InputStream getInputStream() throws IOException; }