1 package org.apache.archiva.policies;
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22 import org.apache.archiva.policies.urlcache.UrlFailureCache;
23 import org.apache.commons.lang.StringUtils;
24 import org.slf4j.Logger;
25 import org.slf4j.LoggerFactory;
26 import org.springframework.stereotype.Service;
28 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.
39 @Service( "preDownloadPolicy#cache-failures" )
40 public class CachedFailuresPolicy
41 implements PreDownloadPolicy
43 private Logger log = LoggerFactory.getLogger( CachedFailuresPolicy.class );
46 * The NO policy setting means that the the existence of old failures is <strong>not</strong> checked.
47 * All resource requests are allowed thru to the remote repo.
49 public static final String NO = "no";
52 * The YES policy setting means that the existence of old failures is checked, and will
53 * prevent the request from being performed against the remote repo.
55 public static final String YES = "yes";
61 private UrlFailureCache urlFailureCache;
63 private List<String> options = new ArrayList<String>( 2 );
65 public CachedFailuresPolicy()
71 public void applyPolicy( String policySetting, Properties request, File localFile )
72 throws PolicyViolationException, PolicyConfigurationException
74 if ( !options.contains( policySetting ) )
77 throw new PolicyConfigurationException( "Unknown cache-failues policy setting [" + policySetting +
78 "], valid settings are [" + StringUtils.join(
79 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()