Cleanup TychoProjectUtils and use ProjectManager instead

tycho-api/src/main/java/org/eclipse/tycho/TychoConstants.java

@@ -20,6 +20,8 @@ public interface TychoConstants {
 
     public static final String ECLIPSE_LATEST = "https://download.eclipse.org/releases/2023-09/";
 
+    public static final String TYCHO_NOT_CONFIGURED = "Tycho build extension not configured for ";
+
     static final String ANY_QUALIFIER = "qualifier";
 
     static final boolean USE_SMART_BUILDER = Boolean

tycho-compiler-plugin/src/main/java/org/eclipse/tycho/compiler/ValidateClassPathMojo.java

@@ -24,10 +24,10 @@
 import org.apache.maven.plugins.annotations.ResolutionScope;
 import org.apache.maven.project.MavenProject;
 import org.eclipse.tycho.ReactorProject;
+import org.eclipse.tycho.TychoConstants;
 import org.eclipse.tycho.core.TychoProject;
 import org.eclipse.tycho.core.osgitools.DefaultReactorProject;
 import org.eclipse.tycho.core.osgitools.OsgiBundleProject;
-import org.eclipse.tycho.core.utils.TychoProjectUtils;
 
 /**
  * This mojo could be added to a build if validation of the classpath is desired before the
@@ -48,7 +48,7 @@ public void execute() throws MojoExecutionException, MojoFailureException {
         TychoProject projectType = projectTypes.get(project.getPackaging());
         if (projectType instanceof OsgiBundleProject bundleProject) {
             ReactorProject reactorProject = DefaultReactorProject.adapt(project);
-            if (TychoProjectUtils.getOptionalDependencyArtifacts(reactorProject).isPresent()) {
+            if (reactorProject.getContextValue(TychoConstants.CTX_DEPENDENCY_ARTIFACTS) != null) {
                 bundleProject.getClasspath(reactorProject);
             } else {
                 getLog().info("Skipped classpath validation as project is currently not resolved");

tycho-core/src/main/java/org/eclipse/tycho/core/DependencyResolver.java

@@ -33,9 +33,11 @@ public interface DependencyResolver {
 
     PomDependencyCollector resolvePomDependencies(MavenSession session, MavenProject project);
 
-    public TargetPlatform computePreliminaryTargetPlatform(MavenSession session, MavenProject project,
+    public TargetPlatform computePreliminaryTargetPlatform(ReactorProject project,
             List<ReactorProject> reactorProjects);
 
+    public TargetPlatform computePreliminaryTargetPlatform(MavenProject project, List<ReactorProject> reactorProjects);
+
     /**
      * @param targetPlatform
      *            The candidate artifacts which may be used to resolve dependencies. If

tycho-core/src/main/java/org/eclipse/tycho/core/maven/TychoWorkspaceReader.java

@@ -15,7 +15,6 @@
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
-import java.util.Optional;
 
 import org.apache.maven.execution.MavenSession;
 import org.apache.maven.model.Model;
@@ -31,9 +30,13 @@
 import org.eclipse.aether.repository.LocalRepository;
 import org.eclipse.aether.repository.WorkspaceReader;
 import org.eclipse.aether.repository.WorkspaceRepository;
-import org.eclipse.tycho.*;
+import org.eclipse.tycho.ArtifactDescriptor;
+import org.eclipse.tycho.ArtifactKey;
+import org.eclipse.tycho.DependencyArtifacts;
+import org.eclipse.tycho.ReactorProject;
+import org.eclipse.tycho.TychoConstants;
+import org.eclipse.tycho.core.TychoProjectManager;
 import org.eclipse.tycho.core.osgitools.DefaultReactorProject;
-import org.eclipse.tycho.core.utils.TychoProjectUtils;
 
 @Component(role = WorkspaceReader.class, hint = "TychoWorkspaceReader")
 public class TychoWorkspaceReader implements MavenWorkspaceReader {
@@ -48,6 +51,9 @@ public class TychoWorkspaceReader implements MavenWorkspaceReader {
     @Requirement
     private ModelWriter modelWriter;
 
+    @Requirement
+    private TychoProjectManager projectManager;
+
     public TychoWorkspaceReader() {
         repository = new WorkspaceRepository("tycho", null);
     }
@@ -137,13 +143,12 @@ private File findP2Artifact(final Artifact artifact) {
         if (session != null) {
             final MavenProject currentProject = session.getCurrentProject();
             final ReactorProject reactorProject = DefaultReactorProject.adapt(currentProject);
-            final Optional<DependencyArtifacts> dependencyMetadata =
-                    TychoProjectUtils.getOptionalDependencyArtifacts(reactorProject);
-
-            if (dependencyMetadata.isPresent()) {
+            final DependencyArtifacts dependencyMetadata = (DependencyArtifacts) reactorProject
+                    .getContextValue(TychoConstants.CTX_DEPENDENCY_ARTIFACTS);
+            if (dependencyMetadata != null) {
                 logger.debug("Attempting to resolve " + artifact + " for project " + currentProject);
 
-                for (final ArtifactDescriptor descriptor : dependencyMetadata.get().getArtifacts()) {
+                for (final ArtifactDescriptor descriptor : dependencyMetadata.getArtifacts()) {
                     if (isArtifactMatch(descriptor.getKey(), artifact)) {
                         return descriptor.getLocation(true);
                     }
@@ -157,9 +162,8 @@ private File findP2Artifact(final Artifact artifact) {
     private boolean isArtifactMatch(final ArtifactKey artifactKey, final Artifact artifact) {
         final String groupId = artifact.getGroupId();
         final String type = groupId.substring(TychoConstants.P2_GROUPID_PREFIX.length()).replace('.', '-');
-        return artifactKey.getType().equals(type) &&
-                artifactKey.getId().equals(artifact.getArtifactId()) &&
-                artifactKey.getVersion().equals(artifact.getVersion());
+        return artifactKey.getType().equals(type) && artifactKey.getId().equals(artifact.getArtifactId())
+                && artifactKey.getVersion().equals(artifact.getVersion());
     }
 
     private File findMavenArtifact(@SuppressWarnings("unused") final Artifact artifact) {
@@ -176,16 +180,8 @@ private File getFileForArtifact(final Artifact artifact) {
         final RepositorySystemSession repositorySession = legacySupport.getRepositorySession();
         final LocalRepository localRepository = repositorySession.getLocalRepository();
         final File basedir = localRepository.getBasedir();
-        final String repositoryPath = "p2/osgi/bundle/" +
-                artifact.getArtifactId() +
-                "/" +
-                artifact.getVersion() +
-                "/" +
-                artifact.getArtifactId() +
-                "-" +
-                artifact.getVersion() +
-                "." +
-                artifact.getExtension();
+        final String repositoryPath = "p2/osgi/bundle/" + artifact.getArtifactId() + "/" + artifact.getVersion() + "/"
+                + artifact.getArtifactId() + "-" + artifact.getVersion() + "." + artifact.getExtension();
 
         return new File(basedir, repositoryPath);
     }

tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/AbstractTychoProject.java

@@ -81,8 +81,8 @@ public DependencyArtifacts getDependencyArtifacts(ReactorProject reactorProject)
             MavenSession mavenSession = getMavenSession(reactorProject);
             MavenProject mavenProject = getMavenProject(reactorProject);
             List<ReactorProject> reactorProjects = DefaultReactorProject.adapt(mavenSession);
-            TargetPlatform preliminaryTargetPlatform = dependencyResolver.computePreliminaryTargetPlatform(mavenSession,
-                    mavenProject, reactorProjects);
+            TargetPlatform preliminaryTargetPlatform = dependencyResolver.computePreliminaryTargetPlatform(mavenProject,
+                    reactorProjects);
             TargetPlatformConfiguration configuration = projectManager.getTargetPlatformConfiguration(mavenProject);
             DependencyResolverConfiguration resolverConfiguration = configuration.getDependencyResolverConfiguration();
             DependencyArtifacts dependencyArtifacts = dependencyResolver.resolveDependencies(mavenSession, mavenProject,

tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/DefaultReactorProject.java

@@ -104,6 +104,9 @@ protected static ReactorProject getCachedValue(MavenProject project) {
     }
 
     public static List<ReactorProject> adapt(MavenSession session) {
+        if (session == null) {
+            return List.of();
+        }
         ArrayList<ReactorProject> result = new ArrayList<>();
         for (MavenProject project : session.getProjects()) {
             ReactorProject reactorProject = adapt(project, session);

tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/MavenBundleResolver.java

@@ -35,7 +35,6 @@
 import org.eclipse.tycho.TargetPlatform;
 import org.eclipse.tycho.core.TychoProjectManager;
 import org.eclipse.tycho.core.maven.MavenDependenciesResolver;
-import org.eclipse.tycho.core.utils.TychoProjectUtils;
 
 /**
  * {@link MavenBundleResolver} helps in gathering bundles that are living in P2 and maven world and
@@ -71,7 +70,7 @@ public Optional<ResolvedArtifactKey> resolveMavenBundle(MavenProject project, Ma
         if (project == null) {
             return Optional.empty();
         }
-        TargetPlatform tp = TychoProjectUtils.getTargetPlatformIfAvailable(DefaultReactorProject.adapt(project));
+        TargetPlatform tp = projectManager.getTargetPlatform(project).orElse(null);
         String type = mavenArtifactKey.getType();
         String resolvedType = PublisherHelper.CAPABILITY_NS_JAVA_PACKAGE.equals(type) ? ArtifactType.TYPE_ECLIPSE_PLUGIN
                 : type;

tycho-core/src/main/java/org/eclipse/tycho/core/osgitools/OsgiBundleProject.java

@@ -712,8 +712,8 @@ public Collection<IRequirement> getAdditionalRequirements() {
                     return resolverConfiguration.getAdditionalRequirements();
                 }
             };
-            TargetPlatform preliminaryTargetPlatform = dependencyResolver.computePreliminaryTargetPlatform(mavenSession,
-                    mavenProject, reactorProjects);
+            TargetPlatform preliminaryTargetPlatform = dependencyResolver.computePreliminaryTargetPlatform(mavenProject,
+                    reactorProjects);
             return dependencyResolver.resolveDependencies(mavenSession, mavenProject, preliminaryTargetPlatform,
                     reactorProjects, testResolverConfiguration, configuration.getEnvironments());
         });

tycho-core/src/main/java/org/eclipse/tycho/core/resolver/DefaultTargetPlatformService.java

@@ -55,10 +55,12 @@ public class DefaultTargetPlatformService implements TargetPlatformService {
     private DependencyResolver dependencyResolver;
 
     @Requirement
-    ReactorRepositoryManager repositoryManager;
+    private ReactorRepositoryManager repositoryManager;
+
+    @Requirement
+    private P2ResolverFactory p2ResolverFactory;
 
     @Requirement
-    P2ResolverFactory p2ResolverFactory;
     private TargetPlatformFactory tpFactory;
 
     @Override
@@ -76,11 +78,7 @@ public Optional<TargetPlatform> getTargetPlatform() throws DependencyResolutionE
 
     @Override
     public Optional<TargetPlatform> getTargetPlatform(ReactorProject project) throws DependencyResolutionException {
-        synchronized (project) {
-            Object contextValue = project.getContextValue(TargetPlatform.FINAL_TARGET_PLATFORM_KEY);
-            if (contextValue instanceof TargetPlatform) {
-                return Optional.of((TargetPlatform) contextValue);
-            }
+        return project.computeContextValue(TargetPlatform.FINAL_TARGET_PLATFORM_KEY, () -> {
             MavenSession session = legacySupport.getSession();
             if (repositoryManager == null || session == null) {
                 return Optional.empty();
@@ -91,7 +89,7 @@ public Optional<TargetPlatform> getTargetPlatform(ReactorProject project) throws
             TargetPlatform finalTargetPlatform = computeFinalTargetPlatform(project, upstreamProjects,
                     pomDependenciesCollector);
             return Optional.ofNullable(finalTargetPlatform);
-        }
+        });
     }
 
     /**
@@ -106,31 +104,16 @@ public Optional<TargetPlatform> getTargetPlatform(ReactorProject project) throws
      */
     private TargetPlatform computeFinalTargetPlatform(ReactorProject project,
             List<? extends ReactorProjectIdentities> upstreamProjects, PomDependencyCollector pomDependencyCollector) {
-        synchronized (project) {
-            PreliminaryTargetPlatformImpl preliminaryTargetPlatform = getRegisteredPreliminaryTargetPlatform(project);
-            if (preliminaryTargetPlatform == null) {
-                MavenSession session = project.adapt(MavenSession.class);
-                if (session == null) {
-                    session = legacySupport.getSession();
-                    if (session == null) {
-                        return null;
-                    }
-                }
-                MavenProject mavenProject = project.adapt(MavenProject.class);
-                if (mavenProject == null) {
-                    return null;
-                }
-                preliminaryTargetPlatform = (PreliminaryTargetPlatformImpl) dependencyResolver
-                        .computePreliminaryTargetPlatform(session, mavenProject, DefaultReactorProject.adapt(session));
-
-            }
-            List<PublishingRepository> upstreamProjectResults = getBuildResults(upstreamProjects);
-            TargetPlatform result = getTpFactory().createTargetPlatformWithUpdatedReactorContent(
-                    preliminaryTargetPlatform, upstreamProjectResults, pomDependencyCollector);
-
-            project.setContextValue(TargetPlatform.FINAL_TARGET_PLATFORM_KEY, result);
-            return result;
+        MavenSession session = project.adapt(MavenSession.class);
+        if (session == null) {
+            session = legacySupport.getSession();
         }
+        PreliminaryTargetPlatformImpl preliminaryTargetPlatform = (PreliminaryTargetPlatformImpl) dependencyResolver
+                .computePreliminaryTargetPlatform(project, DefaultReactorProject.adapt(session));
+        List<PublishingRepository> upstreamProjectResults = getBuildResults(upstreamProjects);
+        TargetPlatform result = tpFactory.createTargetPlatformWithUpdatedReactorContent(preliminaryTargetPlatform,
+                upstreamProjectResults, pomDependencyCollector);
+        return result;
     }
 
     private List<PublishingRepository> getBuildResults(List<? extends ReactorProjectIdentities> projects) {
@@ -141,20 +124,6 @@ private List<PublishingRepository> getBuildResults(List<? extends ReactorProject
         return results;
     }
 
-    public synchronized TargetPlatformFactory getTpFactory() {
-        if (tpFactory == null) {
-            tpFactory = p2ResolverFactory.getTargetPlatformFactory();
-        }
-        return tpFactory;
-    }
-
-    private PreliminaryTargetPlatformImpl getRegisteredPreliminaryTargetPlatform(ReactorProject project) {
-        return project.getContextValue(
-                TargetPlatform.PRELIMINARY_TARGET_PLATFORM_KEY) instanceof PreliminaryTargetPlatformImpl preliminaryTargetPlatformImpl
-                        ? preliminaryTargetPlatformImpl
-                        : null;
-    }
-
     private List<ReactorProjectIdentities> getReferencedTychoProjects(ReactorProject reactorProject)
             throws DependencyResolutionException {
         List<ReactorProjectIdentities> result = new ArrayList<>();

tycho-core/src/main/java/org/eclipse/tycho/core/resolver/P2ResolverFactory.java

@@ -21,7 +21,6 @@
 import org.eclipse.tycho.ReactorProject;
 import org.eclipse.tycho.TargetEnvironment;
 import org.eclipse.tycho.p2.target.facade.PomDependencyCollector;
-import org.eclipse.tycho.p2.target.facade.TargetPlatformFactory;
 
 public interface P2ResolverFactory {
 
@@ -31,9 +30,6 @@ public interface P2ResolverFactory {
     // TODO move to a PomDependencyCollectorFactory interface?
     public PomDependencyCollector newPomDependencyCollector(ReactorProject project);
 
-    // TODO directly register as service
-    public TargetPlatformFactory getTargetPlatformFactory();
-
     /**
      * Create a resolver for the given environments
      * 

tycho-core/src/main/java/org/eclipse/tycho/core/utils/TychoProjectUtils.java

@@ -14,54 +14,21 @@
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Optional;
 import java.util.Properties;
 
 import org.apache.maven.execution.MavenSession;
 import org.apache.maven.project.MavenProject;
-import org.eclipse.tycho.DependencyArtifacts;
 import org.eclipse.tycho.PlatformPropertiesUtils;
 import org.eclipse.tycho.ReactorProject;
-import org.eclipse.tycho.TargetPlatform;
 import org.eclipse.tycho.TychoConstants;
 import org.eclipse.tycho.core.osgitools.DefaultReactorProject;
 import org.eclipse.tycho.core.resolver.shared.DependencySeed;
 
 public class TychoProjectUtils {
-    private static final String TYCHO_NOT_CONFIGURED = "Tycho build extension not configured for ";
-
     public static final String TYCHO_ENV_OSGI_WS = "tycho.env.osgi.ws";
     public static final String TYCHO_ENV_OSGI_OS = "tycho.env.osgi.os";
     public static final String TYCHO_ENV_OSGI_ARCH = "tycho.env.osgi.arch";
 
-    public static Optional<DependencyArtifacts> getOptionalDependencyArtifacts(ReactorProject project) {
-        DependencyArtifacts resolvedDependencies = (DependencyArtifacts) project
-                .getContextValue(TychoConstants.CTX_DEPENDENCY_ARTIFACTS);
-        return Optional.ofNullable(resolvedDependencies);
-    }
-
-    /**
-     * Returns the final target platform of the given project.
-     */
-    public static TargetPlatform getTargetPlatform(ReactorProject project) {
-        TargetPlatform targetPlatform = getTargetPlatformIfAvailable(project);
-        if (targetPlatform == null) {
-            throw new IllegalStateException(TYCHO_NOT_CONFIGURED + project.toString());
-        }
-        return targetPlatform;
-    }
-
-    /**
-     * Returns the final target platform of the given project, or <code>null</code> if the target
-     * platform is not available.
-     * 
-     * Projects with -Dtycho.targetPlatform use the legacy LocalDependencyResolver, which doesn't
-     * provide the {@link TargetPlatform} interface.
-     */
-    public static TargetPlatform getTargetPlatformIfAvailable(ReactorProject project) {
-        return (TargetPlatform) project.getContextValue(TargetPlatform.FINAL_TARGET_PLATFORM_KEY);
-    }
-
     /**
      * Returns the (editable) list of {@link DependencySeed}s for the given project.
      */

tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/EclipseApplicationFactory.java

@@ -36,6 +36,7 @@
 import org.eclipse.tycho.core.resolver.P2ResolverFactory;
 import org.eclipse.tycho.core.resolver.shared.IncludeSourceMode;
 import org.eclipse.tycho.p2.target.facade.TargetPlatformConfigurationStub;
+import org.eclipse.tycho.p2.target.facade.TargetPlatformFactory;
 
 /**
  * Component that resolves all the bundles that make up an Eclipse Application to run from a given
@@ -51,6 +52,9 @@ public class EclipseApplicationFactory {
     @Requirement
     private P2ResolverFactory resolverFactory;
 
+    @Requirement
+    private TargetPlatformFactory platformFactory;
+
     @Requirement
     private Logger logger;
 
@@ -88,8 +92,7 @@ public TargetPlatform createTargetPlatform(Collection<MavenRepositoryLocation> l
         ExecutionEnvironmentConfiguration eeConfiguration = new ExecutionEnvironmentConfigurationImpl(logger, false,
                 toolchainManager, mavenSession);
         eeConfiguration.setProfileConfiguration("JavaSE-" + javaVersion, "tycho-eclipse-application-resolver");
-        TargetPlatform targetPlatform = resolverFactory.getTargetPlatformFactory().createTargetPlatform(tpConfiguration,
-                eeConfiguration, null);
+        TargetPlatform targetPlatform = platformFactory.createTargetPlatform(tpConfiguration, eeConfiguration, null);
         return targetPlatform;
     }