| /* |
| * Copyright 2014-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.cli; |
| |
| import com.facebook.buck.parser.NoSuchBuildTargetException; |
| import com.facebook.buck.rules.BuildRule; |
| import com.facebook.buck.rules.BuildRuleFactoryParams; |
| import com.facebook.buck.rules.BuildRuleParams; |
| import com.facebook.buck.rules.BuildRuleResolver; |
| import com.facebook.buck.rules.Description; |
| import com.facebook.buck.rules.FlavorableDescription; |
| import com.facebook.buck.rules.TargetGraph; |
| import com.facebook.buck.rules.TargetNode; |
| import com.facebook.buck.rules.TargetNodeToBuildRuleTransformer; |
| import com.google.common.base.Suppliers; |
| |
| /** |
| * Takes in an {@link TargetNode} from the target graph and builds a {@link BuildRule} in a manner |
| * suitable for running the {@link BuildCommand}. |
| */ |
| public class BuildTargetNodeToBuildRuleTransformer implements TargetNodeToBuildRuleTransformer { |
| |
| @Override |
| public <T> BuildRule transform( |
| TargetGraph targetGraph, |
| BuildRuleResolver ruleResolver, |
| TargetNode<T> targetNode) |
| throws NoSuchBuildTargetException { |
| BuildRuleFactoryParams ruleFactoryParams = targetNode.getRuleFactoryParams(); |
| Description<T> description = targetNode.getDescription(); |
| |
| T arg = targetNode.getConstructorArg(); |
| |
| // The params used for the Buildable only contain the declared parameters. However, the deps of |
| // the rule include not only those, but also any that were picked up through the deps declared |
| // via a SourcePath. |
| BuildRuleParams params = new BuildRuleParams( |
| targetNode.getBuildTarget(), |
| Suppliers.ofInstance(ruleResolver.getAllRules(targetNode.getDeclaredDeps())), |
| Suppliers.ofInstance(ruleResolver.getAllRules(targetNode.getExtraDeps())), |
| ruleFactoryParams.getProjectFilesystem(), |
| ruleFactoryParams.getRuleKeyBuilderFactory(), |
| description.getBuildRuleType(), |
| targetGraph); |
| BuildRule buildRule = description.createBuildRule(params, ruleResolver, arg); |
| |
| // Note that describedRule has not been added to the BuildRuleResolver yet. |
| if (description instanceof FlavorableDescription && !targetNode.getBuildTarget().isFlavored()) { |
| FlavorableDescription<T> flavorable = (FlavorableDescription<T>) description; |
| flavorable.registerFlavors( |
| arg, |
| buildRule, |
| ruleFactoryParams.getProjectFilesystem(), |
| ruleFactoryParams.getRuleKeyBuilderFactory(), |
| targetGraph, |
| ruleResolver); |
| } |
| |
| return buildRule; |
| } |
| } |