| package org.apache.maven.repository.metadata; |
| |
| /* |
| * 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.maven.artifact.ArtifactScopeEnum; |
| |
| /** |
| * metadata graph vertice - just a wrapper around artifact's metadata |
| * |
| * @author <a href="oleg@codehaus.org">Oleg Gusakov</a> |
| */ |
| public class MetadataGraphVertex |
| implements Comparable<MetadataGraphVertex> |
| { |
| ArtifactMetadata md; |
| |
| // indications to use these in comparison |
| private boolean compareVersion = false; |
| private boolean compareScope = false; |
| |
| public MetadataGraphVertex( ArtifactMetadata md ) |
| { |
| super(); |
| this.md = md; |
| } |
| |
| public MetadataGraphVertex( ArtifactMetadata md, boolean compareVersion, boolean compareScope ) |
| { |
| this( md ); |
| this.compareVersion = compareVersion; |
| this.compareScope = compareScope; |
| } |
| |
| public ArtifactMetadata getMd() |
| { |
| return md; |
| } |
| |
| public void setMd( ArtifactMetadata md ) |
| { |
| this.md = md; |
| } |
| |
| // --------------------------------------------------------------------- |
| public boolean isCompareVersion() |
| { |
| return compareVersion; |
| } |
| |
| public void setCompareVersion( boolean compareVersion ) |
| { |
| this.compareVersion = compareVersion; |
| } |
| |
| public boolean isCompareScope() |
| { |
| return compareScope; |
| } |
| |
| public void setCompareScope( boolean compareScope ) |
| { |
| this.compareScope = compareScope; |
| } |
| |
| // --------------------------------------------------------------------- |
| @Override |
| public String toString() |
| { |
| return "[" + ( md == null ? "no metadata" : md.toString() ) + "]"; |
| } |
| |
| // --------------------------------------------------------------------- |
| private static int compareStrings( String s1, String s2 ) |
| { |
| if ( s1 == null && s2 == null ) |
| { |
| return 0; |
| } |
| |
| if ( s1 == null /* && s2 != null */ ) |
| { |
| return -1; |
| } |
| |
| if ( /* s1 != null && */ s2 == null ) |
| { |
| return 1; |
| } |
| |
| return s1.compareTo( s2 ); |
| } |
| |
| // --------------------------------------------------------------------- |
| public int compareTo( MetadataGraphVertex vertex ) |
| { |
| if ( vertex == null || vertex.getMd() == null ) |
| { |
| return 1; |
| } |
| |
| ArtifactMetadata vmd = vertex.getMd(); |
| |
| if ( vmd == null ) |
| { |
| if ( md == null ) |
| { |
| return 0; |
| } |
| else |
| { |
| return 1; |
| } |
| } |
| |
| int g = compareStrings( md.groupId, vmd.groupId ); |
| |
| if ( g == 0 ) |
| { |
| int a = compareStrings( md.artifactId, vmd.artifactId ); |
| if ( a == 0 ) |
| { |
| if ( compareVersion ) |
| { |
| int v = compareStrings( md.version, vmd.version ); |
| if ( v == 0 ) |
| { |
| if ( compareScope ) |
| { |
| String s1 = ArtifactScopeEnum.checkScope( md.artifactScope ).getScope(); |
| String s2 = ArtifactScopeEnum.checkScope( vmd.artifactScope ).getScope(); |
| return s1.compareTo( s2 ); |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| else |
| { |
| return v; |
| } |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| else |
| { |
| return a; |
| } |
| } |
| |
| return g; |
| } |
| |
| // --------------------------------------------------------------------- |
| @Override |
| public boolean equals( Object vo ) |
| { |
| if ( !( vo instanceof MetadataGraphVertex ) ) |
| { |
| return false; |
| } |
| return compareTo( (MetadataGraphVertex) vo ) == 0; |
| } |
| |
| // --------------------------------------------------------------------- |
| |
| @Override |
| public int hashCode() |
| { |
| if ( md == null ) |
| { |
| return super.hashCode(); |
| } |
| StringBuilder hashString = new StringBuilder( 128 ); |
| hashString.append( md.groupId ).append( '|' ); |
| hashString.append( md.artifactId ).append( '|' ); |
| |
| if ( compareVersion ) |
| { |
| hashString.append( md.version ).append( '|' ); |
| } |
| |
| if ( compareScope ) |
| { |
| hashString.append( md.getArtifactScope() ).append( '|' ); |
| } |
| |
| return hashString.toString().hashCode(); |
| |
| // BASE64Encoder b64 = new BASE64Encoder(); |
| // return b64.encode( hashString.toString().getBytes() ).hashCode(); |
| } |
| |
| // --------------------------------------------------------------------- |
| // --------------------------------------------------------------------- |
| } |