/* * 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.shindig.gadgets.http; import org.apache.shindig.gadgets.GadgetException; import com.google.inject.ImplementedBy; /** * Perform an request for the given resource. Does not perform caching, authentication, or stats. * This class should only be used to implement network-level fetching of resources. While we use * HTTP to represent the transport layer, it's important to note that this fetcher may be used for * other types of URI-based resources and does not necessarily require HTTP. */ @ImplementedBy(BasicHttpFetcher.class) public interface HttpFetcher { /** * Fetch HTTP content. * * @param request The request to fetch. * @return An HTTP response from the relevant resource, including error conditions. * @throws GadgetException In the event of a failure that can't be mapped to an HTTP result code. */ HttpResponse fetch(HttpRequest request) throws GadgetException; }