1 package org.apache.maven.archiva.policies;
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
12 * http://www.apache.org/licenses/LICENSE-2.0
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
23 import java.util.ArrayList;
24 import java.util.List;
25 import java.util.Properties;
27 import org.apache.commons.lang.StringUtils;
28 import org.apache.maven.archiva.policies.urlcache.UrlFailureCache;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
31 import org.springframework.stereotype.Service;
33 import javax.inject.Inject;
36 * {@link PreDownloadPolicy} to check if the requested url has failed before.
40 @Service("preDownloadPolicy#cache-failures")
41 public class CachedFailuresPolicy
42 implements PreDownloadPolicy
44 private Logger log = LoggerFactory.getLogger( CachedFailuresPolicy.class );
47 * The NO policy setting means that the the existence of old failures is <strong>not</strong> checked.
48 * All resource requests are allowed thru to the remote repo.
50 public static final String NO = "no";
53 * The YES policy setting means that the existence of old failures is checked, and will
54 * prevent the request from being performed against the remote repo.
56 public static final String YES = "yes";
62 private UrlFailureCache urlFailureCache;
64 private List<String> options = new ArrayList<String>();
66 public CachedFailuresPolicy()
72 public void applyPolicy( String policySetting, Properties request, File localFile )
73 throws PolicyViolationException, PolicyConfigurationException
75 if ( !options.contains( policySetting ) )
78 throw new PolicyConfigurationException( "Unknown cache-failues policy setting [" + policySetting +
79 "], valid settings are [" + StringUtils.join( options.iterator(), "," ) + "]" );
82 if ( NO.equals( policySetting ) )
85 log.debug( "OK to fetch, check-failures policy set to NO." );
89 String url = request.getProperty( "url" );
91 if ( StringUtils.isNotBlank( url ) )
93 if ( urlFailureCache.hasFailedBefore( url ) )
95 throw new PolicyViolationException(
96 "NO to fetch, check-failures detected previous failure on url: " + url );
100 log.debug( "OK to fetch, check-failures detected no issues." );
103 public String getDefaultOption()
108 public String getId()
110 return "cache-failures";
113 public String getName()
115 return "Cache failures";
118 public List<String> getOptions()