001    package org.apache.archiva.common.plexusbridge;
002    
003    /*
004     * Licensed to the Apache Software Foundation (ASF) under one
005     * or more contributor license agreements.  See the NOTICE file
006     * distributed with this work for additional information
007     * regarding copyright ownership.  The ASF licenses this file
008     * to you under the Apache License, Version 2.0 (the
009     * "License"); you may not use this file except in compliance
010     * with the License.  You may obtain a copy of the License at
011     *
012     *  http://www.apache.org/licenses/LICENSE-2.0
013     *
014     * Unless required by applicable law or agreed to in writing,
015     * software distributed under the License is distributed on an
016     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017     * KIND, either express or implied.  See the License for the
018     * specific language governing permissions and limitations
019     * under the License.
020     */
021    
022    import org.codehaus.plexus.digest.Digester;
023    import org.codehaus.plexus.digest.Md5Digester;
024    import org.codehaus.plexus.digest.Sha1Digester;
025    import org.slf4j.Logger;
026    import org.slf4j.LoggerFactory;
027    import org.springframework.stereotype.Service;
028    
029    import javax.inject.Inject;
030    import java.util.Arrays;
031    import java.util.List;
032    
033    /**
034     * @author Olivier Lamy
035     * @since 1.4-M1
036     */
037    @Service( "digesterUtils" )
038    public class DigesterUtils
039    {
040    
041        private Logger log = LoggerFactory.getLogger( getClass() );
042    
043        private List<? extends Digester> allDigesters;
044    
045        @Inject
046        public DigesterUtils( PlexusSisuBridge plexusSisuBridge )
047            throws PlexusSisuBridgeException
048        {
049            this.allDigesters = plexusSisuBridge.lookupList( Digester.class );
050    
051            if ( allDigesters == null || allDigesters.isEmpty() )
052            {
053                // olamy when the TCL is not a URLClassLoader lookupList fail !
054                // when using tomcat maven plugin so adding a simple hack
055                log.warn( "using lookupList from sisu plexus failed so build plexus Digesters manually" );
056    
057                allDigesters = Arrays.asList( new Sha1Digester(), new Md5Digester() );
058    
059            }
060    
061            if ( allDigesters == null || allDigesters.isEmpty() )
062            {
063                throw  new PlexusSisuBridgeException( "no way to initiliaze IndexCreator" );
064            }
065    
066            log.debug( "allIndexCreators {}", allDigesters );
067    
068        }
069    
070        public List<? extends Digester> getAllDigesters()
071        {
072            return allDigesters;
073        }
074    
075        public void setAllDigesters( List<? extends Digester> allDigesters )
076        {
077            this.allDigesters = allDigesters;
078        }
079    }