1 package org.apache.archiva.policies;
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22 import org.apache.archiva.policies.urlcache.UrlFailureCache;
23 import org.apache.archiva.repository.storage.StorageAsset;
24 import org.apache.commons.lang3.StringUtils;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
27 import org.springframework.stereotype.Service;
29 import javax.inject.Inject;
30 import java.util.ArrayList;
31 import java.util.List;
32 import java.util.Properties;
35 * {@link PreDownloadPolicy} to check if the requested url has failed before.
37 @Service( "preDownloadPolicy#cache-failures" )
38 public class CachedFailuresPolicy
39 implements PreDownloadPolicy
41 private Logger log = LoggerFactory.getLogger( CachedFailuresPolicy.class );
44 * The NO policy setting means that the the existence of old failures is <strong>not</strong> checked.
45 * All resource requests are allowed thru to the remote repo.
47 public static final String NO = "no";
50 * The YES policy setting means that the existence of old failures is checked, and will
51 * prevent the request from being performed against the remote repo.
53 public static final String YES = "yes";
56 private UrlFailureCache urlFailureCache;
58 private List<String> options = new ArrayList<>( 2 );
60 public CachedFailuresPolicy()
67 public void applyPolicy( String policySetting, Properties request, StorageAsset localFile )
68 throws PolicyViolationException, PolicyConfigurationException
70 if ( !options.contains( policySetting ) )
73 throw new PolicyConfigurationException( "Unknown cache-failues policy setting [" + policySetting +
74 "], valid settings are [" + StringUtils.join(
75 options.iterator(), "," ) + "]" );
78 if ( NO.equals( policySetting ) )
81 log.debug( "OK to fetch, check-failures policy set to NO." );
85 String url = request.getProperty( "url" );
87 if ( StringUtils.isNotBlank( url ) )
89 if ( urlFailureCache.hasFailedBefore( url ) )
91 throw new PolicyViolationException(
92 "NO to fetch, check-failures detected previous failure on url: " + url );
96 log.debug( "OK to fetch, check-failures detected no issues." );
100 public String getDefaultOption()
106 public String getId()
108 return "cache-failures";
112 public String getName()
114 return "Cache failures";
118 public List<String> getOptions()