You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@maven.apache.org by kh...@apache.org on 2021/10/05 15:37:46 UTC
[maven] 01/02: [MNG-7276] - Refactoring - Umbrella
This is an automated email from the ASF dual-hosted git repository.
khmarbaise pushed a commit to branch MNG-7276
in repository https://gitbox.apache.org/repos/asf/maven.git
commit d18220d54bebf8650bf1b5c75fd4e7787be9b6e0
Author: Karl Heinz Marbaise <kh...@apache.org>
AuthorDate: Thu Sep 30 19:10:44 2021 +0200
[MNG-7276] - Refactoring - Umbrella
---
.../main/java/org/apache/maven/ReactorReader.java | 73 ++++++++--------------
.../java/org/apache/maven/RepositoryUtils.java | 62 +++++++-----------
.../resolver/filter/ExclusionArtifactFilter.java | 49 +++++++--------
.../org/apache/maven/execution/MavenSession.java | 12 +---
4 files changed, 76 insertions(+), 120 deletions(-)
diff --git a/maven-core/src/main/java/org/apache/maven/ReactorReader.java b/maven-core/src/main/java/org/apache/maven/ReactorReader.java
index 247632a..07f61e0 100644
--- a/maven-core/src/main/java/org/apache/maven/ReactorReader.java
+++ b/maven-core/src/main/java/org/apache/maven/ReactorReader.java
@@ -24,20 +24,19 @@ import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
-import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
-import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.function.Function;
+import java.util.stream.Collectors;
import java.util.stream.Stream;
-import javax.inject.Inject;
-import javax.inject.Named;
-
import org.apache.maven.artifact.ArtifactUtils;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.Model;
@@ -49,6 +48,9 @@ import org.eclipse.aether.util.artifact.ArtifactIdUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+import javax.inject.Inject;
+import javax.inject.Named;
+
/**
* An implementation of a workspace reader that knows how to search the Maven reactor for artifacts, either as packaged
* jar if it has been built, or only compile output directory if packaging hasn't happened yet.
@@ -72,26 +74,22 @@ class ReactorReader
private final Map<String, List<MavenProject>> projectsByGA;
private final WorkspaceRepository repository;
+ private Function<MavenProject, String> projectIntoKey =
+ s -> ArtifactUtils.key( s.getGroupId(), s.getArtifactId(), s.getVersion() );
+
+ private Function<MavenProject, String> projectIntoVersionlessKey =
+ s -> ArtifactUtils.versionlessKey( s.getGroupId(), s.getArtifactId() );
+
@Inject
ReactorReader( MavenSession session )
{
this.session = session;
- this.projectsByGAV = new HashMap<>( session.getAllProjects().size() * 2 );
- session.getAllProjects().forEach( project ->
- {
- String projectId = ArtifactUtils.key( project.getGroupId(), project.getArtifactId(), project.getVersion() );
- this.projectsByGAV.put( projectId, project );
- } );
-
- projectsByGA = new HashMap<>( projectsByGAV.size() * 2 );
- for ( MavenProject project : projectsByGAV.values() )
- {
- String key = ArtifactUtils.versionlessKey( project.getGroupId(), project.getArtifactId() );
+ this.projectsByGAV =
+ session.getAllProjects().stream()
+ .collect( Collectors.toMap( projectIntoKey, Function.identity() ) );
- List<MavenProject> projects = projectsByGA.computeIfAbsent( key, k -> new ArrayList<>( 1 ) );
-
- projects.add( project );
- }
+ this.projectsByGA = projectsByGAV.values().stream()
+ .collect( Collectors.groupingBy( projectIntoVersionlessKey ) );
repository = new WorkspaceRepository( "reactor", new HashSet<>( projectsByGAV.keySet() ) );
}
@@ -128,23 +126,11 @@ class ReactorReader
{
String key = ArtifactUtils.versionlessKey( artifact.getGroupId(), artifact.getArtifactId() );
- List<MavenProject> projects = projectsByGA.get( key );
- if ( projects == null || projects.isEmpty() )
- {
- return Collections.emptyList();
- }
-
- List<String> versions = new ArrayList<>();
-
- for ( MavenProject project : projects )
- {
- if ( find( project, artifact ) != null )
- {
- versions.add( project.getVersion() );
- }
- }
-
- return Collections.unmodifiableList( versions );
+ return Optional.ofNullable( projectsByGA.get( key ) )
+ .orElse( Collections.emptyList() ).stream()
+ .filter( s -> Objects.nonNull( find( s, artifact ) ) )
+ .map( MavenProject::getVersion )
+ .collect( Collectors.collectingAndThen( Collectors.toList(), Collections::unmodifiableList ) );
}
@Override
@@ -334,15 +320,10 @@ class ReactorReader
return mainArtifact;
}
- for ( Artifact attachedArtifact : RepositoryUtils.toArtifacts( project.getAttachedArtifacts() ) )
- {
- if ( attachedArtifactComparison( requestedArtifact, attachedArtifact ) )
- {
- return attachedArtifact;
- }
- }
-
- return null;
+ return RepositoryUtils.toArtifacts( project.getAttachedArtifacts() ).stream()
+ .filter( artifact -> attachedArtifactComparison( requestedArtifact, artifact ) )
+ .findFirst()
+ .orElse( null );
}
private boolean attachedArtifactComparison( Artifact requested, Artifact attached )
diff --git a/maven-core/src/main/java/org/apache/maven/RepositoryUtils.java b/maven-core/src/main/java/org/apache/maven/RepositoryUtils.java
index a49b670..b8c8837 100644
--- a/maven-core/src/main/java/org/apache/maven/RepositoryUtils.java
+++ b/maven-core/src/main/java/org/apache/maven/RepositoryUtils.java
@@ -26,6 +26,8 @@ import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Objects;
+import java.util.Optional;
+import java.util.stream.Collectors;
import org.apache.maven.artifact.handler.ArtifactHandler;
import org.apache.maven.artifact.handler.DefaultArtifactHandler;
@@ -121,7 +123,7 @@ public class RepositoryUtils
nodeTrail.addAll( trail );
nodeTrail.add( artifact.getId() );
- if ( filter == null || filter.accept( node, Collections.<DependencyNode>emptyList() ) )
+ if ( filter == null || filter.accept( node, Collections.emptyList() ) )
{
artifact.setDependencyTrail( nodeTrail );
artifacts.add( artifact );
@@ -170,32 +172,21 @@ public class RepositoryUtils
Artifact result = toArtifact( artifact );
- List<Exclusion> excl = null;
- if ( exclusions != null )
- {
- excl = new ArrayList<>( exclusions.size() );
- for ( org.apache.maven.model.Exclusion exclusion : exclusions )
- {
- excl.add( toExclusion( exclusion ) );
- }
- }
-
+ List<Exclusion> excl = Optional.ofNullable( exclusions )
+ .orElse( Collections.emptyList() )
+ .stream()
+ .map( RepositoryUtils::toExclusion )
+ .collect( Collectors.toList() );
return new Dependency( result, artifact.getScope(), artifact.isOptional(), excl );
}
public static List<RemoteRepository> toRepos( List<ArtifactRepository> repos )
{
- if ( repos == null )
- {
- return null;
- }
-
- List<RemoteRepository> results = new ArrayList<>( repos.size() );
- for ( ArtifactRepository repo : repos )
- {
- results.add( toRepo( repo ) );
- }
- return results;
+ return Optional.ofNullable( repos )
+ .orElse( Collections.emptyList() )
+ .stream()
+ .map( RepositoryUtils::toRepo )
+ .collect( Collectors.toList() );
}
public static RemoteRepository toRepo( ArtifactRepository repo )
@@ -318,20 +309,16 @@ public class RepositoryUtils
new DefaultArtifact( dependency.getGroupId(), dependency.getArtifactId(), dependency.getClassifier(), null,
dependency.getVersion(), props, stereotype );
- List<Exclusion> exclusions = new ArrayList<>( dependency.getExclusions().size() );
- for ( org.apache.maven.model.Exclusion exclusion : dependency.getExclusions() )
- {
- exclusions.add( toExclusion( exclusion ) );
- }
+ List<Exclusion> exclusions =
+ dependency.getExclusions().stream().map( RepositoryUtils::toExclusion ).collect( Collectors.toList() );
- Dependency result = new Dependency( artifact,
- dependency.getScope(),
- dependency.getOptional() != null
- ? dependency.isOptional()
- : null,
- exclusions );
+ return new Dependency( artifact,
+ dependency.getScope(),
+ dependency.getOptional() != null
+ ? dependency.isOptional()
+ : null,
+ exclusions );
- return result;
}
private static Exclusion toExclusion( org.apache.maven.model.Exclusion exclusion )
@@ -365,12 +352,7 @@ public class RepositoryUtils
public static Collection<Artifact> toArtifacts( Collection<org.apache.maven.artifact.Artifact> artifactsToConvert )
{
- List<Artifact> artifacts = new ArrayList<>();
- for ( org.apache.maven.artifact.Artifact a : artifactsToConvert )
- {
- artifacts.add( toArtifact( a ) );
- }
- return artifacts;
+ return artifactsToConvert.stream().map( RepositoryUtils::toArtifact ).collect( Collectors.toList() );
}
public static WorkspaceRepository getWorkspace( RepositorySystemSession session )
diff --git a/maven-core/src/main/java/org/apache/maven/artifact/resolver/filter/ExclusionArtifactFilter.java b/maven-core/src/main/java/org/apache/maven/artifact/resolver/filter/ExclusionArtifactFilter.java
index dd50c31..d58c4a7 100644
--- a/maven-core/src/main/java/org/apache/maven/artifact/resolver/filter/ExclusionArtifactFilter.java
+++ b/maven-core/src/main/java/org/apache/maven/artifact/resolver/filter/ExclusionArtifactFilter.java
@@ -19,11 +19,12 @@ package org.apache.maven.artifact.resolver.filter;
* under the License.
*/
+import java.util.List;
+import java.util.function.Predicate;
+
import org.apache.maven.artifact.Artifact;
import org.apache.maven.model.Exclusion;
-import java.util.List;
-
/**
* Filter to exclude from a list of artifact patterns.
*/
@@ -38,31 +39,29 @@ public class ExclusionArtifactFilter implements ArtifactFilter
this.exclusions = exclusions;
}
+ private Predicate<Exclusion> sameArtifactId( Artifact artifact )
+ {
+ return exclusion -> exclusion.getArtifactId().equals( artifact.getArtifactId() );
+ }
+
+ private Predicate<Exclusion> sameGroupId( Artifact artifact )
+ {
+ return exclusion -> exclusion.getGroupId().equals( artifact.getGroupId() );
+ }
+
+ private Predicate<Exclusion> groupIdIsWildcard = exclusion -> WILDCARD.equals( exclusion.getGroupId() );
+ private Predicate<Exclusion> artifactIdIsWildcard = exclusion -> WILDCARD.equals( exclusion.getArtifactId() );
+
+ Predicate<Exclusion> groupIdAndArtifactIdIsWildcard = groupIdIsWildcard.and( artifactIdIsWildcard );
+
@Override
public boolean include( Artifact artifact )
{
- for ( Exclusion exclusion : exclusions )
- {
- if ( WILDCARD.equals( exclusion.getGroupId() ) && WILDCARD.equals( exclusion.getArtifactId() ) )
- {
- return false;
- }
- if ( WILDCARD.equals( exclusion.getGroupId() )
- && exclusion.getArtifactId().equals( artifact.getArtifactId() ) )
- {
- return false;
- }
- if ( WILDCARD.equals( exclusion.getArtifactId() )
- && exclusion.getGroupId().equals( artifact.getGroupId() ) )
- {
- return false;
- }
- if ( exclusion.getGroupId().equals( artifact.getGroupId() )
- && exclusion.getArtifactId().equals( artifact.getArtifactId() ) )
- {
- return false;
- }
- }
- return true;
+ return !exclusions.stream().anyMatch(
+ groupIdAndArtifactIdIsWildcard
+ .or( groupIdIsWildcard.and( sameArtifactId( artifact ) ) )
+ .or( artifactIdIsWildcard.and( sameGroupId( artifact ) ) )
+ .or( sameGroupId( artifact ).and( sameArtifactId( artifact ) ) )
+ );
}
}
diff --git a/maven-core/src/main/java/org/apache/maven/execution/MavenSession.java b/maven-core/src/main/java/org/apache/maven/execution/MavenSession.java
index f8dbb03..adde001 100644
--- a/maven-core/src/main/java/org/apache/maven/execution/MavenSession.java
+++ b/maven-core/src/main/java/org/apache/maven/execution/MavenSession.java
@@ -84,15 +84,9 @@ public class MavenSession
if ( !projects.isEmpty() )
{
this.currentProject = projects.get( 0 );
- this.topLevelProject = currentProject;
- for ( MavenProject project : projects )
- {
- if ( project.isExecutionRoot() )
- {
- topLevelProject = project;
- break;
- }
- }
+ this.topLevelProject =
+ projects.stream().filter( project -> project.isExecutionRoot() ).findFirst()
+ .orElse( currentProject );
}
else
{