diff options
Diffstat (limited to 'framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/artifact/DefaultMavenMetadataCache.java')
-rw-r--r-- | framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/artifact/DefaultMavenMetadataCache.java | 347 |
1 files changed, 0 insertions, 347 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/artifact/DefaultMavenMetadataCache.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/artifact/DefaultMavenMetadataCache.java deleted file mode 100644 index 07fd11da..00000000 --- a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/artifact/DefaultMavenMetadataCache.java +++ /dev/null @@ -1,347 +0,0 @@ -package org.apache.maven.project.artifact; - -/* - * 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 java.io.File; -import java.util.ArrayList; -import java.util.Iterator; -import java.util.LinkedHashMap; -import java.util.LinkedHashSet; -import java.util.List; -import java.util.Map; -import java.util.Set; -import java.util.concurrent.ConcurrentHashMap; - -import org.apache.maven.artifact.Artifact; -import org.apache.maven.artifact.ArtifactUtils; -import org.apache.maven.artifact.metadata.ResolutionGroup; -import org.apache.maven.artifact.repository.ArtifactRepository; -import org.apache.maven.artifact.repository.ArtifactRepositoryPolicy; -import org.codehaus.plexus.component.annotations.Component; - -@Component( role = MavenMetadataCache.class ) -public class DefaultMavenMetadataCache - implements MavenMetadataCache -{ - - protected final Map<CacheKey, CacheRecord> cache = new ConcurrentHashMap<CacheKey, CacheRecord>(); - - public static class CacheKey - { - private final Artifact artifact; - private final long pomHash; - private final boolean resolveManagedVersions; - private final List<ArtifactRepository> repositories = new ArrayList<ArtifactRepository>(); - private final int hashCode; - - public CacheKey( Artifact artifact, boolean resolveManagedVersions, ArtifactRepository localRepository, - List<ArtifactRepository> remoteRepositories ) - { - File file = artifact.getFile(); - this.artifact = ArtifactUtils.copyArtifact( artifact ); - if ( "pom".equals( artifact.getType() ) && file != null ) - { - pomHash = file.getPath().hashCode() + file.lastModified(); - } - else - { - pomHash = 0; - } - this.resolveManagedVersions = resolveManagedVersions; - this.repositories.add( localRepository ); - this.repositories.addAll( remoteRepositories ); - - int hash = 17; - hash = hash * 31 + artifactHashCode( artifact ); - hash = hash * 31 + ( resolveManagedVersions ? 1 : 2 ); - hash = hash * 31 + repositoriesHashCode( repositories ); - this.hashCode = hash; - } - - @Override - public int hashCode() - { - return hashCode; - } - - @Override - public boolean equals( Object o ) - { - if ( o == this ) - { - return true; - } - - if ( !( o instanceof CacheKey ) ) - { - return false; - } - - CacheKey other = (CacheKey) o; - - return pomHash == other.pomHash && artifactEquals( artifact, other.artifact ) - && resolveManagedVersions == other.resolveManagedVersions - && repositoriesEquals( repositories, other.repositories ); - } - } - - private static int artifactHashCode( Artifact a ) - { - int result = 17; - result = 31 * result + a.getGroupId().hashCode(); - result = 31 * result + a.getArtifactId().hashCode(); - result = 31 * result + a.getType().hashCode(); - if ( a.getVersion() != null ) - { - result = 31 * result + a.getVersion().hashCode(); - } - result = 31 * result + ( a.getClassifier() != null ? a.getClassifier().hashCode() : 0 ); - result = 31 * result + ( a.getScope() != null ? a.getScope().hashCode() : 0 ); - result = 31 * result + ( a.getDependencyFilter() != null ? a.getDependencyFilter().hashCode() : 0 ); - result = 31 * result + ( a.isOptional() ? 1 : 0 ); - return result; - } - - private static boolean artifactEquals( Artifact a1, Artifact a2 ) - { - if ( a1 == a2 ) - { - return true; - } - - return eq( a1.getGroupId(), a2.getGroupId() ) - && eq( a1.getArtifactId(), a2.getArtifactId() ) - && eq( a1.getType(), a2.getType() ) - && eq( a1.getVersion(), a2.getVersion() ) - && eq( a1.getClassifier(), a2.getClassifier() ) - && eq( a1.getScope(), a2.getScope() ) - && eq( a1.getDependencyFilter(), a2.getDependencyFilter() ) - && a1.isOptional() == a2.isOptional(); - } - - private static int repositoryHashCode( ArtifactRepository repository ) - { - int result = 17; - result = 31 * result + ( repository.getId() != null ? repository.getId().hashCode() : 0 ); - return result; - } - - private static int repositoriesHashCode( List<ArtifactRepository> repositories ) - { - int result = 17; - for ( ArtifactRepository repository : repositories ) - { - result = 31 * result + repositoryHashCode( repository ); - } - return result; - } - - private static boolean repositoryEquals( ArtifactRepository r1, ArtifactRepository r2 ) - { - if ( r1 == r2 ) - { - return true; - } - - return eq( r1.getId(), r2.getId() ) && eq( r1.getUrl(), r2.getUrl() ) - && repositoryPolicyEquals( r1.getReleases(), r2.getReleases() ) - && repositoryPolicyEquals( r1.getSnapshots(), r2.getSnapshots() ); - } - - private static boolean repositoryPolicyEquals( ArtifactRepositoryPolicy p1, ArtifactRepositoryPolicy p2 ) - { - if ( p1 == p2 ) - { - return true; - } - - return p1.isEnabled() == p2.isEnabled() && eq( p1.getUpdatePolicy(), p2.getUpdatePolicy() ); - } - - private static boolean repositoriesEquals( List<ArtifactRepository> r1, List<ArtifactRepository> r2 ) - { - if ( r1.size() != r2.size() ) - { - return false; - } - - for ( Iterator<ArtifactRepository> it1 = r1.iterator(), it2 = r2.iterator(); it1.hasNext(); ) - { - if ( !repositoryEquals( it1.next(), it2.next() ) ) - { - return false; - } - } - - return true; - } - - private static <T> boolean eq( T s1, T s2 ) - { - return s1 != null ? s1.equals( s2 ) : s2 == null; - } - - public class CacheRecord - { - private Artifact pomArtifact; - private Artifact relocatedArtifact; - private List<Artifact> artifacts; - private Map<String, Artifact> managedVersions; - private List<ArtifactRepository> remoteRepositories; - - private long length; - private long timestamp; - - CacheRecord( Artifact pomArtifact, Artifact relocatedArtifact, Set<Artifact> artifacts, - Map<String, Artifact> managedVersions, List<ArtifactRepository> remoteRepositories ) - { - this.pomArtifact = ArtifactUtils.copyArtifact( pomArtifact ); - this.relocatedArtifact = ArtifactUtils.copyArtifactSafe( relocatedArtifact ); - this.artifacts = ArtifactUtils.copyArtifacts( artifacts, new ArrayList<Artifact>() ); - this.remoteRepositories = new ArrayList<ArtifactRepository>( remoteRepositories ); - - this.managedVersions = managedVersions; - if ( managedVersions != null ) - { - this.managedVersions = - ArtifactUtils.copyArtifacts( managedVersions, new LinkedHashMap<String, Artifact>() ); - } - - File pomFile = pomArtifact.getFile(); - if ( pomFile != null && pomFile.canRead() ) - { - this.length = pomFile.length(); - this.timestamp = pomFile.lastModified(); - } - else - { - this.length = -1; - this.timestamp = -1; - } - } - - public Artifact getArtifact() - { - return pomArtifact; - } - - public Artifact getRelocatedArtifact() - { - return relocatedArtifact; - } - - public List<Artifact> getArtifacts() - { - return artifacts; - } - - public Map<String, Artifact> getManagedVersions() - { - return managedVersions; - } - - public List<ArtifactRepository> getRemoteRepositories() - { - return remoteRepositories; - } - - public boolean isStale() - { - File pomFile = pomArtifact.getFile(); - if ( pomFile != null ) - { - if ( pomFile.canRead() ) - { - return length != pomFile.length() || timestamp != pomFile.lastModified(); - } - else - { - // if the POM didn't exist, retry if any repo is configured to always update - boolean snapshot = pomArtifact.isSnapshot(); - for ( ArtifactRepository repository : remoteRepositories ) - { - ArtifactRepositoryPolicy policy = - snapshot ? repository.getSnapshots() : repository.getReleases(); - if ( ArtifactRepositoryPolicy.UPDATE_POLICY_ALWAYS.equals( policy.getUpdatePolicy() ) ) - { - return true; - } - } - } - } - - return length != -1 || timestamp != -1; - } - } - - - public ResolutionGroup get( Artifact artifact, boolean resolveManagedVersions, ArtifactRepository localRepository, - List<ArtifactRepository> remoteRepositories ) - { - CacheKey cacheKey = newCacheKey( artifact, resolveManagedVersions, localRepository, remoteRepositories ); - - CacheRecord cacheRecord = cache.get( cacheKey ); - - if ( cacheRecord != null && !cacheRecord.isStale() ) - { - Artifact pomArtifact = ArtifactUtils.copyArtifact( cacheRecord.getArtifact() ); - Artifact relocatedArtifact = ArtifactUtils.copyArtifactSafe( cacheRecord.getRelocatedArtifact() ); - Set<Artifact> artifacts = - ArtifactUtils.copyArtifacts( cacheRecord.getArtifacts(), new LinkedHashSet<Artifact>() ); - Map<String, Artifact> managedVersions = cacheRecord.getManagedVersions(); - if ( managedVersions != null ) - { - managedVersions = ArtifactUtils.copyArtifacts( managedVersions, new LinkedHashMap<String, Artifact>() ); - } - return new ResolutionGroup( pomArtifact, relocatedArtifact, artifacts, managedVersions, - cacheRecord.getRemoteRepositories() ); - } - - cache.remove( cacheKey ); - - return null; - } - - public void put( Artifact artifact, boolean resolveManagedVersions, ArtifactRepository localRepository, - List<ArtifactRepository> remoteRepositories, ResolutionGroup result ) - { - put( newCacheKey( artifact, resolveManagedVersions, localRepository, remoteRepositories ), result ); - } - - protected CacheKey newCacheKey( Artifact artifact, boolean resolveManagedVersions, - ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories ) - { - return new CacheKey( artifact, resolveManagedVersions, localRepository, remoteRepositories ); - } - - protected void put( CacheKey cacheKey, ResolutionGroup result ) - { - CacheRecord cacheRecord = - new CacheRecord( result.getPomArtifact(), result.getRelocatedArtifact(), result.getArtifacts(), - result.getManagedVersions(), result.getResolutionRepositories() ); - - cache.put( cacheKey, cacheRecord ); - } - - public void flush() - { - cache.clear(); - } -} |