1 package org.apache.archiva.policies.urlcache; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 23 /** 24 * Cache for requested URLs that cannot be fetched. 25 * 26 * 27 */ 28 public interface UrlFailureCache 29 { 30 /** 31 * Store a URL in the cache as failed. 32 * 33 * @param url the url to store. 34 */ 35 void cacheFailure( String url ); 36 37 /** 38 * Test if a specified URL has failed before. 39 * 40 * NOTE: If the provided URL has failed, then making this call 41 * should refresh the expiration time on that URL entry. 42 * 43 * @param url the URL to test. 44 * @return true if it has failed before, false if not. 45 */ 46 boolean hasFailedBefore( String url ); 47 }