/*
* Copyright 2010 the original author or authors.
*
* 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.springframework.data;
/**
* Portable service abstraction for storing files.
* @author Keith Donald
*/
public interface FileStorage {
/**
* Get a storage URL for the file identified with the following name.
* @param fileName the relative file name
* @return the full path to the file in the store
*/
String absoluteUrl(String fileName);
/**
* Put a file into storage.
* @param file the file data
* @return a URL that can be used to obtain the file
*/
// TODO exception hierarchy
String storeFile(FileData file);
}