001    package org.apache.archiva.model;
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.commons.lang.StringUtils;
023    
024    /**
025     * Keys - utility methods for converting common objects into string keys. 
026     *
027     *
028     */
029    public class Keys
030    {
031        public static String toKey( String groupId, String artifactId, String version, String classifier, String type )
032        {
033            StringBuilder key = new StringBuilder();
034    
035            key.append( groupId ).append( ":" );
036            key.append( artifactId ).append( ":" );
037            key.append( version ).append( ":" );
038            key.append( StringUtils.defaultString( classifier ) ).append( ":" );
039            key.append( type );
040    
041            return key.toString();
042        }
043    
044        public static String toKey( ArtifactReference ref )
045        {
046            return toKey( ref.getGroupId(), ref.getArtifactId(), ref.getVersion(), ref.getClassifier(), ref.getType() );
047        }
048    
049        public static String toKey( ProjectReference ref )
050        {
051            StringBuilder key = new StringBuilder();
052    
053            key.append( ref.getGroupId() ).append( ":" );
054            key.append( ref.getArtifactId() );
055    
056            return key.toString();
057        }
058    
059        public static String toKey( String groupId, String artifactId, String version )
060        {
061            StringBuilder key = new StringBuilder();
062    
063            key.append( groupId ).append( ":" );
064            key.append( artifactId ).append( ":" );
065            key.append( version );
066    
067            return key.toString();
068        }
069        
070        public static String toKey( VersionedReference ref )
071        {
072            return toKey( ref.getGroupId(), ref.getArtifactId(), ref.getVersion() );
073        }
074    }