1 package org.eclipse.aether.internal.impl;
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22 import java.util.Iterator;
23 import java.util.List;
24
25 import org.eclipse.aether.RepositorySystemSession;
26 import org.eclipse.aether.repository.ArtifactRepository;
27 import org.eclipse.aether.repository.LocalRepository;
28 import org.eclipse.aether.repository.RemoteRepository;
29 import org.eclipse.aether.repository.RepositoryPolicy;
30 import org.eclipse.aether.repository.WorkspaceReader;
31 import org.eclipse.aether.repository.WorkspaceRepository;
32
33
34
35
36 @Deprecated
37 public final class CacheUtils
38 {
39
40 public static <T> boolean eq( T s1, T s2 )
41 {
42 return s1 != null ? s1.equals( s2 ) : s2 == null;
43 }
44
45 public static int hash( Object obj )
46 {
47 return obj != null ? obj.hashCode() : 0;
48 }
49
50 public static int repositoriesHashCode( List<RemoteRepository> repositories )
51 {
52 int result = 17;
53 for ( RemoteRepository repository : repositories )
54 {
55 result = 31 * result + repositoryHashCode( repository );
56 }
57 return result;
58 }
59
60 private static int repositoryHashCode( RemoteRepository repository )
61 {
62 int result = 17;
63 result = 31 * result + hash( repository.getUrl() );
64 return result;
65 }
66
67 private static boolean repositoryEquals( RemoteRepository r1, RemoteRepository r2 )
68 {
69 if ( r1 == r2 )
70 {
71 return true;
72 }
73
74 return eq( r1.getId(), r2.getId() ) && eq( r1.getUrl(), r2.getUrl() )
75 && policyEquals( r1.getPolicy( false ), r2.getPolicy( false ) )
76 && policyEquals( r1.getPolicy( true ), r2.getPolicy( true ) );
77 }
78
79 private static boolean policyEquals( RepositoryPolicy p1, RepositoryPolicy p2 )
80 {
81 if ( p1 == p2 )
82 {
83 return true;
84 }
85
86 return p1.isEnabled() == p2.isEnabled() && eq( p1.getChecksumPolicy(), p2.getChecksumPolicy() );
87 }
88
89 public static boolean repositoriesEquals( List<RemoteRepository> r1, List<RemoteRepository> r2 )
90 {
91 if ( r1.size() != r2.size() )
92 {
93 return false;
94 }
95
96 for ( Iterator<RemoteRepository> it1 = r1.iterator(), it2 = r2.iterator(); it1.hasNext(); )
97 {
98 if ( !repositoryEquals( it1.next(), it2.next() ) )
99 {
100 return false;
101 }
102 }
103
104 return true;
105 }
106
107 public static WorkspaceRepository getWorkspace( RepositorySystemSession session )
108 {
109 WorkspaceReader reader = session.getWorkspaceReader();
110 return ( reader != null ) ? reader.getRepository() : null;
111 }
112
113 public static ArtifactRepository getRepository( RepositorySystemSession session,
114 List<RemoteRepository> repositories, Class<?> repoClass,
115 String repoId )
116 {
117 if ( repoClass != null )
118 {
119 if ( WorkspaceRepository.class.isAssignableFrom( repoClass ) )
120 {
121 return session.getWorkspaceReader().getRepository();
122 }
123 else if ( LocalRepository.class.isAssignableFrom( repoClass ) )
124 {
125 return session.getLocalRepository();
126 }
127 else
128 {
129 for ( RemoteRepository repository : repositories )
130 {
131 if ( repoId.equals( repository.getId() ) )
132 {
133 return repository;
134 }
135 }
136 }
137 }
138 return null;
139 }
140
141 }