001    package org.apache.archiva.policies;
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.apache.archiva.common.ArchivaException;
023    
024    import java.util.Collections;
025    import java.util.Map;
026    
027    /**
028     * One or more exceptions occurred downloading from a remote repository during the proxy phase.
029     */
030    public class ProxyDownloadException
031        extends ArchivaException
032    {
033        /**
034         * A list of failures keyed by repository ID.
035         */
036        private final Map<String, Exception> failures;
037    
038        public ProxyDownloadException( String message, String repositoryId, Exception cause )
039        {
040            super( constructMessage( message, Collections.singletonMap( repositoryId, cause ) ), cause );
041    
042            failures = Collections.singletonMap( repositoryId, cause );
043        }
044    
045        public ProxyDownloadException( String message, Map<String, Exception> failures )
046        {
047            super( constructMessage( message, failures ) );
048    
049            this.failures = failures;
050        }
051    
052        private static String constructMessage( String message, Map<String, Exception> failures )
053        {
054            StringBuilder msg = new StringBuilder( message );
055            msg.append( ":" );
056            for ( Map.Entry<String, Exception> entry : failures.entrySet() )
057            {
058                msg.append( "\n\t" ).append( entry.getKey() ).append( ": " ).append( entry.getValue().getMessage() );
059            }
060            return msg.toString();
061        }
062    
063        public Map<String, Exception> getFailures()
064        {
065            return failures;
066        }
067    }