import java.util.Set;
import java.util.function.Predicate;

import org.apache.maven.api.JavaPathType;
import org.apache.maven.api.PathType;

/**
 * Cache of {@link PathModularization} instances computed for given {@link Path} elements.
 * The cache is used for avoiding the need to reopen the same files many times when the
 * same dependency is used for different scope. For example a path used for compilation

/**
 * Handles profile injection into the model.
 *
 */
@Named
@Singleton
public class DefaultProfileInjector implements ProfileInjector {

    private static final Map<Model, Map<List<Profile>, Model>> CACHE = Collections.synchronizedMap(new WeakHashMap<>());

    // In order for the weak hash map to work correctly, we must not hold any reference to

    private final MavenMetadataCache cache;
    private final LegacySupport legacySupport;

    private MavenRepositorySystem mavenRepositorySystem;

    @Inject
    public MavenMetadataSource(
            RepositoryMetadataManager repositoryMetadataManager,
            ArtifactFactory artifactFactory,
            ProjectBuilder projectBuilder,
            MavenMetadataCache cache,
            LegacySupport legacySupport,

/**
 * Caches raw plugin descriptors. A raw plugin descriptor is a descriptor that has just been extracted from the plugin
 * artifact and does not contain any runtime specific data. The cache must not be used for descriptors that hold runtime
 * data like the plugin realm. <strong>Warning:</strong> This is an internal utility interface that is only public for

    //
    // Used by Tycho and will break users and force them to upgrade to Maven 3.1 so we should really leave
    // this here, possibly indefinitely.
    //
    public ArtifactResolutionRequest setCache(RepositoryCache cache) {
        return this;
    }

                    + "a org.eclipse.sisu.Typed or javax.enterprise.inject.Typed annotation");
        }
    }

    /**
     * A provider wrapping an existing provider with a cache
     * @param <T> the provided type
     */
    protected static class CachingProvider<T> implements Provider<T> {
        private final Provider<T> provider;
        private volatile T value;

              <!-- system property with that name no longer evaluated -->
              <exclude>org.apache.maven.project.DefaultProjectBuilder#DISABLE_GLOBAL_MODEL_CACHE_SYSTEM_PROPERTY</exclude>
              <exclude>org.apache.maven.project.DefaultModelBuildingListener</exclude>

    /**
     * Puts the specified data into the cache. <strong>Warning:</strong> The cache will directly save the provided
     * reference. If the cached data is mutable, i.e. could be modified after being put into the cache, the caller is
     * responsible for creating a copy of the original data and store the copy in the cache.
     *
     * @param request The repository request from which this cache was retrieved, must not be {@code null}.

     *
     * @param moduleName name of the module to search
     * @param cache cache of module information about each dependency
     */
    private boolean containsModule(String moduleName, PathModularizationCache cache) throws IOException {
        for (Path path : dispatchedPaths.getOrDefault(JavaPathType.MODULES, Collections.emptyList())) {
            if (cache.getModuleInfo(path).containsModule(moduleName)) {
                return true;

    /**
     * Registers the specified cache record for usage with the given project. Integrators can use the information
     * collected from this method in combination with a custom cache implementation to dispose unused records from the
     * cache.
     *
     * @param project The project that employs the plugin realm, must not be {@code null}.
     * @param record The cache record being used for the project, must not be {@code null}.