org.gradle.api.specs.Spec Java Examples

public Spec<Task> getFilter(String path) {
    final ResolvedTaskPath taskPath = taskPathResolver.resolvePath(path, gradle.getDefaultProject());
    if (!taskPath.isQualified()) {
        ProjectInternal targetProject = taskPath.getProject();
        configurer.configure(targetProject);
        TaskSelectionResult tasks = taskNameResolver.selectWithName(taskPath.getTaskName(), taskPath.getProject(), true);
        if (tasks != null) {
            // An exact match in the target project - can just filter tasks by path to avoid configuring sub-projects at this point
            return new TaskPathSpec(targetProject, taskPath.getTaskName());
        }
    }

    final Set<Task> selectedTasks = getSelection(path, gradle.getDefaultProject()).getTasks();
    return new Spec<Task>() {
        public boolean isSatisfiedBy(Task element) {
            return !selectedTasks.contains(element);
        }
    };
}
 

@Nullable
private static Spec<ComponentIdentifier> getComponentFilter(
        @NonNull AndroidArtifacts.ArtifactScope scope) {
    switch (scope) {
        case ALL:
            return null;
        case EXTERNAL:
            // since we want both Module dependencies and file based dependencies in this case
            // the best thing to do is search for non ProjectComponentIdentifier.
            return id -> !(id instanceof ProjectComponentIdentifier);
        case MODULE:
            return id -> id instanceof ProjectComponentIdentifier;
        default:
            throw new RuntimeException("unknown ArtifactScope value");
    }
}
 

private void configureSourceSetDefaults(final JavaBasePlugin javaBasePlugin) {
    project.getConvention().getPlugin(JavaPluginConvention.class).getSourceSets().all(new Action<SourceSet>() {
        public void execute(SourceSet sourceSet) {
            final DefaultGroovySourceSet groovySourceSet = new DefaultGroovySourceSet(((DefaultSourceSet) sourceSet).getDisplayName(), fileResolver);
            new DslObject(sourceSet).getConvention().getPlugins().put("groovy", groovySourceSet);

            groovySourceSet.getGroovy().srcDir(String.format("src/%s/groovy", sourceSet.getName()));
            sourceSet.getResources().getFilter().exclude(new Spec<FileTreeElement>() {
                public boolean isSatisfiedBy(FileTreeElement element) {
                    return groovySourceSet.getGroovy().contains(element.getFile());
                }
            });
            sourceSet.getAllJava().source(groovySourceSet.getGroovy());
            sourceSet.getAllSource().source(groovySourceSet.getGroovy());

            String compileTaskName = sourceSet.getCompileTaskName("groovy");
            GroovyCompile compile = project.getTasks().create(compileTaskName, GroovyCompile.class);
            javaBasePlugin.configureForSourceSet(sourceSet, compile);
            compile.dependsOn(sourceSet.getCompileJavaTaskName());
            compile.setDescription(String.format("Compiles the %s Groovy source.", sourceSet.getName()));
            compile.setSource(groovySourceSet.getGroovy());

            project.getTasks().getByName(sourceSet.getClassesTaskName()).dependsOn(compileTaskName);
        }
    });
}
 

private Map<String, List<String>> getModelledInstructions() {
    Map<String, List<String>> modelledInstructions = new HashMap<String, List<String>>();
    modelledInstructions.put(Analyzer.BUNDLE_SYMBOLICNAME, createListFromPropertyString(symbolicName));
    modelledInstructions.put(Analyzer.BUNDLE_NAME, createListFromPropertyString(name));
    modelledInstructions.put(Analyzer.BUNDLE_VERSION, createListFromPropertyString(version));
    modelledInstructions.put(Analyzer.BUNDLE_DESCRIPTION, createListFromPropertyString(description));
    modelledInstructions.put(Analyzer.BUNDLE_LICENSE, createListFromPropertyString(description));
    modelledInstructions.put(Analyzer.BUNDLE_VENDOR, createListFromPropertyString(vendor));
    modelledInstructions.put(Analyzer.BUNDLE_DOCURL, createListFromPropertyString(docURL));

    return CollectionUtils.filter(modelledInstructions, new Spec<Map.Entry<String, List<String>>>() {
        public boolean isSatisfiedBy(Map.Entry<String, List<String>> element) {
            return element.getValue() != null;
        }
    });
}
 

/**
 * 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;
}
 

public static ModelRuleDescriptor of(Class<?> clazz, final String methodName) {
    List<Method> methodsOfName = CollectionUtils.filter(clazz.getDeclaredMethods(), new Spec<Method>() {
        public boolean isSatisfiedBy(Method element) {
            return element.getName().equals(methodName);
        }
    });

    if (methodsOfName.isEmpty()) {
        throw new IllegalStateException("Class " + clazz.getName() + " has no method named '" + methodName + "'");
    }

    if (methodsOfName.size() > 1) {
        throw new IllegalStateException("Class " + clazz.getName() + " has more than one method named '" + methodName + "'");
    }

    return new MethodModelRuleDescriptor(methodsOfName.get(0));
}
 

public Spec<DependencyResult> parseNotation(final Object notation) throws UnsupportedNotationException {
    if (notation instanceof CharSequence) {
        final String stringNotation = notation.toString().trim();
        if (stringNotation.length() > 0) {
            return new DependencyResultSpec(stringNotation);
        }
    }
    throw new UnsupportedNotationException(notation);
}
 

public HtmlDependencyReportTask() {
    reports = getServices().get(Instantiator.class).newInstance(DefaultDependencyReportContainer.class, this);
    reports.getHtml().setEnabled(true);
    getOutputs().upToDateWhen(new Spec<Task>() {
        public boolean isSatisfiedBy(Task element) {
            return false;
        }
    });
}
 

public static NotationParser<Object, Spec<DependencyResult>> create() {
    return NotationParserBuilder
            .toType(new TypeInfo<Spec<DependencyResult>>(Spec.class))
            .invalidNotationMessage("Please check the input for the DependencyInsight.dependency element.")
            .fromType(Closure.class, new ClosureToSpecNotationParser<DependencyResult>(DependencyResult.class))
            .fromCharSequence(new DependencyResultSpecNotationParser())
            .toComposite();
}
 

private <T> Class<T> getActionObjectType(Action<T> action) {
    Class<? extends Action> aClass = action.getClass();
    Type[] genericInterfaces = aClass.getGenericInterfaces();
    Type actionType = findFirst(genericInterfaces, new Spec<Type>() {
        public boolean isSatisfiedBy(Type element) {
            return element instanceof ParameterizedType && ((ParameterizedType) element).getRawType().equals(Action.class);
        }
    });

    final Class<?> modelType;

    if (actionType == null) {
        modelType = Object.class;
    } else {
        ParameterizedType actionParamaterizedType = (ParameterizedType) actionType;
        Type tType = actionParamaterizedType.getActualTypeArguments()[0];

        if (tType instanceof Class) {
            modelType = (Class) tType;
        } else if (tType instanceof ParameterizedType) {
            modelType = (Class) ((ParameterizedType) tType).getRawType();
        } else if (tType instanceof TypeVariable) {
            TypeVariable  typeVariable = (TypeVariable) tType;
            Type[] bounds = typeVariable.getBounds();
            return (Class<T>) bounds[0];
        } else {
            throw new RuntimeException("Don't know how to handle type: " + tType.getClass());
        }
    }

    @SuppressWarnings("unchecked") Class<T> castModelType = (Class<T>) modelType;
    return castModelType;
}
 

public static Method findBindingMethod(Object object) {
    Class<?> objectClass = object.getClass();
    List<Method> declaredMethods = filter(Arrays.asList(objectClass.getDeclaredMethods()), new Spec<Method>() {
        public boolean isSatisfiedBy(Method element) {
            int modifiers = element.getModifiers();
            return !isPrivate(modifiers) && !isStatic(modifiers) && !element.isSynthetic();
        }
    });
    if (declaredMethods.size() != 1) {
        throw new IllegalArgumentException(objectClass + " rule must have exactly 1 public method, has: " + join(", ", toStringList(declaredMethods)));
    }

    return declaredMethods.get(0);
}
 

private Spec<StackTraceElement> createCompositeFilter(TestDescriptor descriptor) {
    List<Spec<StackTraceElement>> filters = Lists.newArrayList();
    for (TestStackTraceFilter type : testLogging.getStackTraceFilters()) {
        filters.add(createFilter(descriptor, type));
    }
    return new AndSpec<StackTraceElement>(filters);
}
 

protected AbstractReportTask() {
    getOutputs().upToDateWhen(new Spec<Task>() {
        public boolean isSatisfiedBy(Task element) {
            return false;
        }
    });
    projects = new HashSet<Project>();
    projects.add(getProject());
}
 

private MavenArtifact determineMainArtifact(String publicationName, Set<MavenArtifact> mavenArtifacts) {
    Set<MavenArtifact> candidateMainArtifacts = CollectionUtils.filter(mavenArtifacts, new Spec<MavenArtifact>() {
        public boolean isSatisfiedBy(MavenArtifact element) {
            return element.getClassifier() == null || element.getClassifier().length() == 0;
        }
    });
    if (candidateMainArtifacts.isEmpty()) {
        return null;
    }
    if (candidateMainArtifacts.size() > 1) {
        throw new InvalidMavenPublicationException(publicationName, "Cannot determine main artifact - multiple artifacts found with empty classifier.");
    }
    return candidateMainArtifacts.iterator().next();
}
 

public static <T> T findFirst(T[] source, Spec<? super T> filter) {
    for (T thing : source) {
        if (filter.isSatisfiedBy(thing)) {
            return thing;
        }
    }

    return null;
}
 

public static <E> boolean replace(List<E> list, Spec<? super E> filter, Transformer<? extends E, ? super E> transformer) {
    boolean replaced = false;
    int i = 0;
    for (E it : list) {
        if (filter.isSatisfiedBy(it)) {
            list.set(i, transformer.transform(it));
            replaced = true;
        }
        ++i;
    }
    return replaced;
}
 

public List<Spec<FileTreeElement>> getAllIncludeSpecs() {
    List<Spec<FileTreeElement>> result = new ArrayList<Spec<FileTreeElement>>();
    if (parentResolver != null) {
        result.addAll(parentResolver.getAllIncludeSpecs());
    }
    result.addAll(patternSet.getIncludeSpecs());
    return result;
}
 

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();
}
 

public List<Spec<FileTreeElement>> getAllExcludeSpecs() {
    List<Spec<FileTreeElement>> result = new ArrayList<Spec<FileTreeElement>>();
    if (parentResolver != null) {
        result.addAll(parentResolver.getAllExcludeSpecs());
    }
    result.addAll(patternSet.getExcludeSpecs());
    return result;
}
 

public CompareGradleBuilds() {
    FileResolver fileResolver = getFileResolver();
    Instantiator instantiator = getInstantiator();
    sourceBuild = instantiator.newInstance(DefaultGradleBuildInvocationSpec.class, fileResolver, getProject().getRootDir());
    sourceBuild.setTasks(DEFAULT_TASKS);
    targetBuild = instantiator.newInstance(DefaultGradleBuildInvocationSpec.class, fileResolver, getProject().getRootDir());
    targetBuild.setTasks(DEFAULT_TASKS);

    // Never up to date
    getOutputs().upToDateWhen(new Spec<Task>() {
        public boolean isSatisfiedBy(Task element) {
            return false;
        }
    });
}
 

private void closeChild(Object parent, ModelPath childPath) {
    try {
        String fieldName = childPath.getName();
        final String setterName = String.format("set%s%s", fieldName.substring(0, 1).toUpperCase(), fieldName.substring(1));
        Method setter = CollectionUtils.findFirst(parent.getClass().getDeclaredMethods(), new Spec<Method>() {
            public boolean isSatisfiedBy(Method method) {
                return method.getName().equals(setterName);
            }
        });
        setter.invoke(parent, get(childPath));
    } catch (Exception e) {
        throw new GradleException("Could not close model element children", e);
    }
}
 

private <K, V extends Response<?>> V maybeFetch(String operationName, final PersistentIndexedCache<K, V> cache, final K key, Factory<V> factory, Spec<? super V> shouldFetch) {
    V cachedValue = cacheAccess.useCache(operationName + " - read", new Factory<V>() {
        public V create() {
            return cache.get(key);
        }
    });

    boolean fetch = cachedValue == null || shouldFetch.isSatisfiedBy(cachedValue);
    if (fetch) {
        return fetch(operationName, cache, key, factory);
    } else {
        return cachedValue;
    }
}
 

public Set<File> getFiles(Spec<? super Dependency> dependencySpec) throws ResolveException {
    try {
        return resolvedConfiguration.getFiles(dependencySpec);
    } catch (Throwable e) {
        throw wrapException(e, configuration);
    }
}
 

public SingleIncludePatternFileTree(File baseDir, String includePattern, Spec<FileTreeElement> excludeSpec) {
    this.baseDir = baseDir;
    if (includePattern.endsWith("/") || includePattern.endsWith("\\")) {
        includePattern += "**";
    }
    this.includePattern = includePattern;
    this.patternSegments = Arrays.asList(includePattern.split("[/\\\\]"));
    this.excludeSpec = excludeSpec;
}
 

public void setOnlyIf(final Spec<? super Task> spec) {
    taskMutator.mutate("Task.setOnlyIf(Spec)", new Runnable() {
        public void run() {
            onlyIfSpec = createNewOnlyIfSpec().and(spec);
        }
    });
}
 

public boolean isBuildsAreIdentical() {
    //noinspection SimplifiableIfStatement
    if (!getUncomparedSourceOutcomes().isEmpty() || !getUncomparedTargetOutcomes().isEmpty()) {
        return false;
    } else {
        return CollectionUtils.every(comparisons, new Spec<BuildOutcomeComparisonResult<?>>() {
            public boolean isSatisfiedBy(BuildOutcomeComparisonResult<?> comparisonResult) {
                return comparisonResult.isOutcomesAreIdentical();
            }
        });
    }
}
 

private SpecRuleAction<? super ComponentSelection> createSpecRuleActionFromId(Object id, RuleAction<? super ComponentSelection> ruleAction) {
    final ModuleIdentifier moduleIdentifier;

    try {
        moduleIdentifier = moduleIdentifierNotationParser.parseNotation(id);
    } catch (UnsupportedNotationException e) {
        throw new InvalidUserCodeException(String.format(INVALID_SPEC_ERROR, id == null ? "null" : id.toString()), e);
    }

    Spec<ComponentSelection> spec = new ComponentSelectionMatchingSpec(moduleIdentifier);
    return new SpecRuleAction<ComponentSelection>(ruleAction, spec);
}
 

Set<File> getFiles(Spec<? super Dependency> dependencySpec) {
    Set<Dependency> selectedDependencies = CollectionUtils.filter(dependencies, dependencySpec);
    for (Dependency dependency : selectedDependencies) {
        resolveContext.add(dependency);
    }
    return resolveContext.resolve().getFiles();
}
 

public Set<File> files(Spec<? super Dependency> dependencySpec) {
    return fileCollection(dependencySpec).getFiles();
}
 

public Set<File> getFiles(Spec<? super Dependency> dependencySpec) {
    Set<File> files = new LinkedHashSet<File>();
    files.addAll(selfResolvingFilesProvider.getFiles(dependencySpec));
    files.addAll(resolvedConfiguration.getFiles(dependencySpec));
    return files;
}