import org.gradle.api.specs.Specs; //导入依赖的package包/类
@Override
public void create(final Action<? super T> action) {
    state.assertCanMutate();

    String name = String.valueOf(modelNode.getLinkCount(ModelNodes.withType(elementType)));
    ModelPath childPath = modelNode.getPath().child(name);
    final ModelRuleDescriptor descriptor = this.descriptor.append("create()");

    NodeInitializer nodeInitializer = creatorStrategy.initializer(elementType, Specs.<ModelType<?>>satisfyAll());
    ModelRegistration registration = ModelRegistrations.of(childPath, nodeInitializer)
        .descriptor(descriptor)
        .action(ModelActionRole.Initialize, NoInputsModelAction.of(ModelReference.of(childPath, elementType), descriptor, action))
        .build();

    modelNode.addLink(registration);
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
private ClassPath resolvePluginDependencies(final PluginUseMetaData metadata) {
    DependencyResolutionServices resolution = dependencyResolutionServicesFactory.create();

    RepositoryHandler repositories = resolution.getResolveRepositoryHandler();
    final String repoUrl = metadata.implementation.get("repo");
    repositories.maven(new Action<MavenArtifactRepository>() {
        public void execute(MavenArtifactRepository mavenArtifactRepository) {
            mavenArtifactRepository.setUrl(repoUrl);
        }
    });

    Dependency dependency = resolution.getDependencyHandler().create(metadata.implementation.get("gav"));

    ConfigurationContainerInternal configurations = (ConfigurationContainerInternal) resolution.getConfigurationContainer();
    ConfigurationInternal configuration = configurations.detachedConfiguration(dependency);

    try {
        Set<File> files = configuration.getResolvedConfiguration().getFiles(Specs.satisfyAll());
        return new DefaultClassPath(files);
    } catch (ResolveException e) {
        throw new DependencyResolutionException("Failed to resolve all plugin dependencies from " + repoUrl, e.getCause());
    }
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
public Spec<FileTreeElement> createExcludeSpec(PatternSet patternSet) {
    List<Spec<FileTreeElement>> allExcludeSpecs = new ArrayList<Spec<FileTreeElement>>(2 + patternSet.getExcludeSpecs().size());

    if (!patternSet.getExcludes().isEmpty()) {
        allExcludeSpecs.add(createSpec(patternSet.getExcludes(), false, patternSet.isCaseSensitive()));
    }

    List<String> defaultExcludes = Arrays.asList(DirectoryScanner.getDefaultExcludes());
    if (!defaultExcludes.isEmpty()) {
        allExcludeSpecs.add(createSpec(defaultExcludes, false, patternSet.isCaseSensitive()));
    }

    allExcludeSpecs.addAll(patternSet.getExcludeSpecs());

    if (allExcludeSpecs.isEmpty()) {
        return Specs.satisfyNone();
    } else {
        return Specs.union(allExcludeSpecs);
    }
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
private void collectArtifacts(Configuration configuration,
                              Map<ModuleVersionIdentifier, List<ResolvedArtifact>> artifacts) {

    Set<ResolvedArtifact> allArtifacts;
    if (!extraModelInfo.getMode().equals(STANDARD)) {
        allArtifacts = configuration.getResolvedConfiguration().getLenientConfiguration().getArtifacts(
            Specs.satisfyAll());
    } else {
        allArtifacts = configuration.getResolvedConfiguration().getResolvedArtifacts();
    }

    for (ResolvedArtifact artifact : allArtifacts) {
        ModuleVersionIdentifier id = artifact.getModuleVersion().getId();
        List<ResolvedArtifact> moduleArtifacts = artifacts.get(id);

        if (moduleArtifacts == null) {
            moduleArtifacts = Lists.newArrayList();
            artifacts.put(id, moduleArtifacts);
        }

        if (!moduleArtifacts.contains(artifact)) {
            moduleArtifacts.add(artifact);
        }
    }
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
private void copyFileDependencies(Configuration configuration, String toPrint, Project project, boolean isPackagerJarToBeAdded, final File libDir, Set<String> foundLibs) {
    project.getLogger().info("Copying defined " + toPrint + "-dependency-files...");
    // inside "getFiles" all non-maven dependencies (like packager.jar) will be available
    configuration.getResolvedConfiguration().getFiles(Specs.SATISFIES_ALL).forEach(someFile -> {
        try{
            Path artifactPath = someFile.toPath();
            String artifactFileName = artifactPath.getFileName().toString();
            if( "packager.jar".equals(artifactFileName) && !isPackagerJarToBeAdded ){
                project.getLogger().info("Skipped adding packager.jar.");
                return;
            }

            // add this lib only, when not already present (could happen on file-dependencies ... which behaves different from maven-model)
            if( !foundLibs.contains(artifactFileName) ){
                Files.copy(artifactPath, libDir.toPath().resolve(artifactFileName), StandardCopyOption.REPLACE_EXISTING);
                foundLibs.add(artifactFileName);
            }
        } catch(IOException ex){
            project.getLogger().warn("Couldn't copy dependency " + someFile.getName(), ex);
        }
    });
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
/**
 * Recursive, includes unsuccessfully resolved artifacts
 *
 * @param dependencySpec dependency spec
 */
public Set<ResolvedArtifact> getAllArtifacts(Spec<? super Dependency> dependencySpec) {
    //this is not very nice might be good enough until we get rid of ResolvedConfiguration and friends
    //avoid traversing the graph causing the full ResolvedDependency graph to be loaded for the most typical scenario
    if (dependencySpec == Specs.SATISFIES_ALL) {
        return results.getArtifacts();
    }

    CachingDirectedGraphWalker<ResolvedDependency, ResolvedArtifact> walker
            = new CachingDirectedGraphWalker<ResolvedDependency, ResolvedArtifact>(new ResolvedDependencyArtifactsGraph());

    Set<ResolvedDependency> firstLevelModuleDependencies = getFirstLevelModuleDependencies(dependencySpec);

    Set<ResolvedArtifact> artifacts = new LinkedHashSet<ResolvedArtifact>();

    for (ResolvedDependency resolvedDependency : firstLevelModuleDependencies) {
        artifacts.addAll(resolvedDependency.getParentArtifacts(results.more().getRoot()));
        walker.add(resolvedDependency);
    }

    artifacts.addAll(walker.findValues());
    return artifacts;
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
private void configureTestTasks(Set<Test> allTestTasksToRun) {
    for (Test task : allTestTasksToRun) {
        task.setIgnoreFailures(true);
        task.getFilter().setFailOnNoMatchingTests(false);
        task.getOutputs().upToDateWhen(Specs.SATISFIES_NONE);
    }
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
/**
 * Recursive, includes unsuccessfully resolved artifacts
 *
 * @param dependencySpec dependency spec
 */
private void visitArtifacts(Spec<? super Dependency> dependencySpec, AttributeContainerInternal requestedAttributes, SelectedArtifactResults artifactResults, SelectedFileDependencyResults fileDependencyResults, ArtifactVisitor visitor) {
    ArtifactVisitor transformingVisitor = artifactTransformer.visitor(visitor, requestedAttributes);

    //this is not very nice might be good enough until we get rid of ResolvedConfiguration and friends
    //avoid traversing the graph causing the full ResolvedDependency graph to be loaded for the most typical scenario
    if (dependencySpec == Specs.SATISFIES_ALL) {
        if (transformingVisitor.includeFiles()) {
            fileDependencyResults.getFiles().visit(transformingVisitor);
        }
        artifactResults.getArtifacts().visit(transformingVisitor);
        return;
    }

    if (transformingVisitor.includeFiles()) {
        for (Map.Entry<FileCollectionDependency, ResolvedArtifactSet> entry: fileDependencyResults.getFirstLevelFiles().entrySet()) {
            if (dependencySpec.isSatisfiedBy(entry.getKey())) {
                entry.getValue().visit(transformingVisitor);
            }
        }
    }

    CachingDirectedGraphWalker<DependencyGraphNodeResult, ResolvedArtifact> walker = new CachingDirectedGraphWalker<DependencyGraphNodeResult, ResolvedArtifact>(new ResolvedDependencyArtifactsGraph(transformingVisitor, fileDependencyResults));

    DependencyGraphNodeResult rootNode = loadTransientGraphResults(artifactResults).getRootNode();
    for (DependencyGraphNodeResult node : getFirstLevelNodes(dependencySpec)) {
        node.getArtifactsForIncomingEdge(rootNode).visit(transformingVisitor);
        walker.add(node);
    }
    walker.findValues();
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
public void resolveGraph(ConfigurationInternal configuration, ResolverResults results) {
    List<ResolutionAwareRepository> resolutionAwareRepositories = CollectionUtils.collect(repositories, Transformers.cast(ResolutionAwareRepository.class));
    StoreSet stores = storeFactory.createStoreSet();

    BinaryStore oldModelStore = stores.nextBinaryStore();
    Store<TransientConfigurationResults> oldModelCache = stores.oldModelCache();
    TransientConfigurationResultsBuilder oldTransientModelBuilder = new TransientConfigurationResultsBuilder(oldModelStore, oldModelCache);
    DefaultResolvedConfigurationBuilder oldModelBuilder = new DefaultResolvedConfigurationBuilder(oldTransientModelBuilder);
    ResolvedConfigurationDependencyGraphVisitor oldModelVisitor = new ResolvedConfigurationDependencyGraphVisitor(oldModelBuilder);

    BinaryStore newModelStore = stores.nextBinaryStore();
    Store<ResolvedComponentResult> newModelCache = stores.newModelCache();
    StreamingResolutionResultBuilder newModelBuilder = new StreamingResolutionResultBuilder(newModelStore, newModelCache);

    ResolvedLocalComponentsResultGraphVisitor localComponentsVisitor = new ResolvedLocalComponentsResultGraphVisitor();

    DefaultResolvedArtifactsBuilder artifactsBuilder = new DefaultResolvedArtifactsBuilder(buildProjectDependencies);
    FileDependencyCollectingGraphVisitor fileDependencyVisitor = new FileDependencyCollectingGraphVisitor();

    DependencyGraphVisitor graphVisitor = new CompositeDependencyGraphVisitor(oldModelVisitor, newModelBuilder, localComponentsVisitor, fileDependencyVisitor);
    DependencyArtifactsVisitor artifactsVisitor = new CompositeDependencyArtifactsVisitor(oldModelVisitor, artifactsBuilder);

    resolver.resolve(configuration, resolutionAwareRepositories, metadataHandler, Specs.<DependencyMetadata>satisfyAll(), graphVisitor, artifactsVisitor, attributesSchema);

    ArtifactTransformer transformer = new ArtifactTransformer(configuration.getResolutionStrategy(), attributesSchema);
    VisitedArtifactsResults artifactsResults = artifactsBuilder.complete();
    results.graphResolved(newModelBuilder.complete(), localComponentsVisitor, new BuildDependenciesOnlyVisitedArtifactSet(artifactsResults, fileDependencyVisitor, transformer));

    results.retainState(new ArtifactResolveState(oldModelBuilder.complete(), artifactsResults, fileDependencyVisitor, oldTransientModelBuilder));
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
public Spec<FileTreeElement> createIncludeSpec(PatternSet patternSet) {
    List<Spec<FileTreeElement>> allIncludeSpecs = new ArrayList<Spec<FileTreeElement>>(1 + patternSet.getIncludeSpecs().size());

    if (!patternSet.getIncludes().isEmpty()) {
        allIncludeSpecs.add(createSpec(patternSet.getIncludes(), true, patternSet.isCaseSensitive()));
    }

    allIncludeSpecs.addAll(patternSet.getIncludeSpecs());

    return Specs.union(allIncludeSpecs);
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
protected Spec<FileTreeElement> createSpec(Collection<String> patterns, boolean include, boolean caseSensitive) {
    if (patterns.isEmpty()) {
        return include ? Specs.<FileTreeElement>satisfyAll() : Specs.<FileTreeElement>satisfyNone();
    }

    List<Spec<RelativePath>> matchers = new ArrayList<Spec<RelativePath>>(patterns.size());
    for (String pattern : patterns) {
        Spec<RelativePath> patternMatcher = PatternMatcherFactory.getPatternMatcher(include, caseSensitive, pattern);
        matchers.add(patternMatcher);
    }

    return new RelativePathSpec(Specs.union(matchers));
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
private <S extends TaskInternal> S process(S task) {
    TaskClassInfo taskClassInfo = taskClassInfoStore.getTaskClassInfo(task.getClass());

    if (taskClassInfo.isIncremental()) {
        // Add a dummy upToDateWhen spec: this will force TaskOutputs.hasOutputs() to be true.
        task.getOutputs().upToDateWhen(new Spec<Task>() {
            public boolean isSatisfiedBy(Task element) {
                return true;
            }
        });
    }

    for (Factory<Action<Task>> actionFactory : taskClassInfo.getTaskActions()) {
        task.prependParallelSafeAction(actionFactory.create());
    }

    TaskClassValidator validator = taskClassInfo.getValidator();
    if (validator.hasAnythingToValidate()) {
        task.prependParallelSafeAction(validator);
        validator.addInputsAndOutputs(task);
    }

    // Enabled caching if task type is annotated with @CacheableTask
    if (taskClassInfo.isCacheable()) {
        task.getOutputs().cacheIf(Specs.SATISFIES_ALL);
    }

    return task;
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
public CopySpec filesMatching(Iterable<String> patterns, Action<? super FileCopyDetails> action) {
    if (!patterns.iterator().hasNext()) {
        throw new InvalidUserDataException("must provide at least one pattern to match");
    }
    List<Spec> matchers = new ArrayList<Spec>();
    for (String pattern : patterns) {
        matchers.add(PatternMatcherFactory.getPatternMatcher(true, isCaseSensitive(), pattern));
    }
    Spec unionMatcher = Specs.union(matchers.toArray(new Spec[matchers.size()]));
    return eachFile(new MatchingCopyAction(unionMatcher, action));
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
public CopySpec filesNotMatching(Iterable<String> patterns, Action<? super FileCopyDetails> action) {
    if (!patterns.iterator().hasNext()) {
        throw new InvalidUserDataException("must provide at least one pattern to not match");
    }
    List<Spec> matchers = new ArrayList<Spec>();
    for (String pattern : patterns) {
        matchers.add(PatternMatcherFactory.getPatternMatcher(true, isCaseSensitive(), pattern));
    }
    Spec unionMatcher = Specs.union(matchers.toArray(new Spec[matchers.size()]));
    return eachFile(new MatchingCopyAction(Specs.<RelativePath>negate(unionMatcher), action));
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
public void configure(BuildExecutionContext context) {
    GradleInternal gradle = context.getGradle();
    Set<String> excludedTaskNames = gradle.getStartParameter().getExcludedTaskNames();
    if (!excludedTaskNames.isEmpty()) {
        final Set<Spec<Task>> filters = new HashSet<Spec<Task>>();
        for (String taskName : excludedTaskNames) {
            filters.add(taskSelector.getFilter(taskName));
        }
        gradle.getTaskGraph().useFilter(Specs.intersect(filters));
    }

    context.proceed();
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
private void collectArtifacts(
        Configuration configuration,
        Map<ModuleVersionIdentifier,
                List<ResolvedArtifact>> artifacts) {

    Set<ResolvedArtifact> allArtifacts;
    if (extraModelInfo.getMode() != STANDARD) {
        allArtifacts = configuration.getResolvedConfiguration().getLenientConfiguration().getArtifacts(
                Specs.satisfyAll());
    } else {
        allArtifacts = configuration.getResolvedConfiguration().getResolvedArtifacts();
    }

    for (ResolvedArtifact artifact : allArtifacts) {
        ModuleVersionIdentifier id = artifact.getModuleVersion().getId();
        List<ResolvedArtifact> moduleArtifacts = artifacts.get(id);

        if (moduleArtifacts == null) {
            moduleArtifacts = Lists.newArrayList();
            artifacts.put(id, moduleArtifacts);
        }

        if (!moduleArtifacts.contains(artifact)) {
            moduleArtifacts.add(artifact);
        }
    }
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
private Spec<RelativePath> getAsExcludeSpec(boolean caseSensitive) {
  Collection<String> allExcludes = new LinkedHashSet<String>(myFilePattern.excludes);
  List<Spec<RelativePath>> matchers = new ArrayList<Spec<RelativePath>>();
  for (String exclude : allExcludes) {
    Spec<RelativePath> patternMatcher = PatternMatcherFactory.getPatternMatcher(false, caseSensitive, exclude);
    matchers.add(patternMatcher);
  }
  return Specs.or(false, matchers);
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
private Spec<RelativePath> getAsIncludeSpec(boolean caseSensitive) {
  List<Spec<RelativePath>> matchers = new ArrayList<Spec<RelativePath>>();
  for (String include : myFilePattern.includes) {
    Spec<RelativePath> patternMatcher = PatternMatcherFactory.getPatternMatcher(true, caseSensitive, include);
    matchers.add(patternMatcher);
  }
  return Specs.or(true, matchers);
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
public void configure(BuildExecutionContext context) {
    GradleInternal gradle = context.getGradle();
    Set<String> excludedTaskNames = gradle.getStartParameter().getExcludedTaskNames();
    if (!excludedTaskNames.isEmpty()) {
        final Set<Spec<Task>> filters = new HashSet<Spec<Task>>();
        for (String taskName : excludedTaskNames) {
            filters.add(taskSelector.getFilter(taskName));
        }
        gradle.getTaskGraph().useFilter(Specs.and(filters));
    }

    context.proceed();
}
 

import org.gradle.api.specs.Specs; //导入依赖的package包/类
@Inject
public GenerateMavenPom(FileResolver fileResolver) {
    this.fileResolver = fileResolver;

    // Never up to date; we don't understand the data structures.
    getOutputs().upToDateWhen(Specs.satisfyNone());
}