001/*
002 * (C) Copyright 2016 Nuxeo SA (http://nuxeo.com/) and others.
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 *     http://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 * Contributors:
017 *     Remi Cattiau
018 */
019package org.nuxeo.ecm.core.io.download;
020
021import java.io.IOException;
022import java.net.URI;
023
024import javax.servlet.http.HttpServletRequest;
025
026import org.nuxeo.ecm.core.api.Blob;
027import org.nuxeo.ecm.core.blob.BlobManager.UsageHint;
028
029/**
030 * 
031 * @since 8.3
032 * Return a URI to redirect client to for a specified blob if possible
033 */
034public interface RedirectResolver {
035
036       
037    /**
038     * Return a redirect URI if possible to the specified Blob
039     * @param blob to get the URI for
040     * @param usage for
041     * @param request Native Http request
042     * @return The URI to the resource or null if cannot create a direct URI
043     */
044    URI getURI(Blob blob, UsageHint usage, HttpServletRequest request) throws IOException;
045   
046}