| /* |
| * Copyright 2013-present Facebook, Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| * not use this file except in compliance with the License. You may obtain |
| * a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package com.facebook.buck.apple; |
| |
| import com.facebook.buck.io.ProjectFilesystem; |
| import com.facebook.buck.rules.BuildRuleParams; |
| import com.facebook.buck.rules.BuildRuleResolver; |
| import com.facebook.buck.rules.BuildRuleType; |
| import com.facebook.buck.rules.Description; |
| import com.facebook.buck.rules.ImmutableBuildRuleType; |
| import com.facebook.buck.rules.SourcePathResolver; |
| import com.facebook.infer.annotation.SuppressFieldNotInitialized; |
| import com.google.common.base.Preconditions; |
| import com.google.common.base.Supplier; |
| import com.google.common.collect.ImmutableCollection; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.io.Files; |
| |
| import java.nio.file.Path; |
| |
| /** |
| * Description for a core_data_model rule, which identifies a model file |
| * for use with Apple's Core Data. |
| */ |
| public class CoreDataModelDescription implements Description<CoreDataModelDescription.Arg> { |
| public static final BuildRuleType TYPE = ImmutableBuildRuleType.of("core_data_model"); |
| private static final String CORE_DATA_MODEL_EXTENSION = "xcdatamodel"; |
| private static final String VERSIONED_CORE_DATA_MODEL_EXTENSION = "xcdatamodeld"; |
| |
| @Override |
| public BuildRuleType getBuildRuleType() { |
| return TYPE; |
| } |
| |
| @Override |
| public Arg createUnpopulatedConstructorArg() { |
| return new Arg(); |
| } |
| |
| @Override |
| public <A extends Arg> CoreDataModel createBuildRule( |
| BuildRuleParams params, |
| BuildRuleResolver resolver, |
| A args) { |
| ProjectFilesystem projectFilesystem = params.getProjectFilesystem(); |
| Supplier<ImmutableCollection<Path>> inputPathsSupplier = RuleUtils.subpathsOfPathsSupplier( |
| projectFilesystem, |
| ImmutableSet.of(args.path)); |
| String extension = Files.getFileExtension(args.path.getFileName().toString()); |
| Preconditions.checkArgument( |
| CORE_DATA_MODEL_EXTENSION.equals(extension) || |
| VERSIONED_CORE_DATA_MODEL_EXTENSION.equals(extension)); |
| |
| return new CoreDataModel( |
| params, |
| new SourcePathResolver(resolver), |
| inputPathsSupplier, |
| args.path); |
| } |
| |
| public static boolean isVersionedDataModel(Arg arg) { |
| return VERSIONED_CORE_DATA_MODEL_EXTENSION.equals( |
| Files.getFileExtension(arg.path.getFileName().toString())); |
| } |
| |
| @SuppressFieldNotInitialized |
| public static class Arg { |
| public Path path; |
| } |
| } |