| // Copyright 2007 The Apache Software Foundation |
| // |
| // Licensed 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.tapestry.upload.services;
|
|
|
| import javax.servlet.http.HttpServletRequest;
|
|
|
| /**
|
| * Responsible for detecting and processing file upload requests, using Jakarta Commons FileUpload.
|
| * Implementations of this service typically use the threaded service lifecycle model.
|
| */
|
| public interface MultipartDecoder
|
| {
|
|
|
| /**
|
| * @param parameterName Name of the query parameter associated with the uploaded file
|
| * @return a file upload with the given name, or null if no such file upload was in the request.
|
| */
|
| UploadedFile getFileUpload(String parameterName);
|
|
|
| /**
|
| * Decodes the request, returning a new {@link javax.servlet.http.HttpServletRequest}
|
| * implementation that will allow access to the form fields submitted in the request (but omits
|
| * uploaded files).
|
| *
|
| * @param request The incoming servlet request
|
| * @return decoded http request
|
| */
|
| HttpServletRequest decode(HttpServletRequest request);
|
| }
|
