123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117 |
- package org.apache.archiva.policies;
-
- /*
- * 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.
- */
-
- import org.apache.archiva.policies.urlcache.UrlFailureCache;
- import org.apache.commons.lang.StringUtils;
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
- import org.springframework.stereotype.Service;
-
- import javax.inject.Inject;
- import java.io.File;
- import java.util.ArrayList;
- import java.util.List;
- import java.util.Properties;
-
- /**
- * {@link PreDownloadPolicy} to check if the requested url has failed before.
- */
- @Service( "preDownloadPolicy#cache-failures" )
- public class CachedFailuresPolicy
- implements PreDownloadPolicy
- {
- private Logger log = LoggerFactory.getLogger( CachedFailuresPolicy.class );
-
- /**
- * The NO policy setting means that the the existence of old failures is <strong>not</strong> checked.
- * All resource requests are allowed thru to the remote repo.
- */
- public static final String NO = "no";
-
- /**
- * The YES policy setting means that the existence of old failures is checked, and will
- * prevent the request from being performed against the remote repo.
- */
- public static final String YES = "yes";
-
- @Inject
- private UrlFailureCache urlFailureCache;
-
- private List<String> options = new ArrayList<>( 2 );
-
- public CachedFailuresPolicy()
- {
- options.add( NO );
- options.add( YES );
- }
-
- public void applyPolicy( String policySetting, Properties request, File localFile )
- throws PolicyViolationException, PolicyConfigurationException
- {
- if ( !options.contains( policySetting ) )
- {
- // Not a valid code.
- throw new PolicyConfigurationException( "Unknown cache-failues policy setting [" + policySetting +
- "], valid settings are [" + StringUtils.join(
- options.iterator(), "," ) + "]" );
- }
-
- if ( NO.equals( policySetting ) )
- {
- // Skip.
- log.debug( "OK to fetch, check-failures policy set to NO." );
- return;
- }
-
- String url = request.getProperty( "url" );
-
- if ( StringUtils.isNotBlank( url ) )
- {
- if ( urlFailureCache.hasFailedBefore( url ) )
- {
- throw new PolicyViolationException(
- "NO to fetch, check-failures detected previous failure on url: " + url );
- }
- }
-
- log.debug( "OK to fetch, check-failures detected no issues." );
- }
-
- public String getDefaultOption()
- {
- return NO;
- }
-
- public String getId()
- {
- return "cache-failures";
- }
-
- public String getName()
- {
- return "Cache failures";
- }
-
- public List<String> getOptions()
- {
- return options;
- }
- }
|