Java tutorial
/* * Copyright 2015-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.jvm.java.intellij; import com.facebook.buck.io.MorePaths; import com.facebook.buck.model.BuildTarget; import com.facebook.buck.model.HasBuildTarget; import com.facebook.buck.rules.TargetNode; import com.facebook.buck.util.MoreCollectors; import com.facebook.buck.util.immutables.BuckStyleImmutable; import com.google.common.base.Preconditions; import com.google.common.collect.ImmutableMap; import com.google.common.collect.ImmutableSet; import org.immutables.value.Value; import java.nio.file.Path; import java.util.Map; import java.util.Optional; /** * Represents a single IntelliJ module. */ @Value.Immutable @BuckStyleImmutable abstract class AbstractIjModule implements IjProjectElement { @Override @Value.Derived public String getName() { return Util.intelliJModuleNameFromPath(MorePaths.pathWithUnixSeparators(getModuleBasePath())); } @Override public abstract ImmutableSet<TargetNode<?, ?>> getTargets(); /** * @return path to the top-most directory the module is responsible for. This is also where the * corresponding .iml file is located. */ public abstract Path getModuleBasePath(); /** * @return paths to various directories the module is responsible for. */ public abstract ImmutableSet<IjFolder> getFolders(); /** * @return map of {@link BuildTarget}s the module depends on and information on whether it's a * test-only dependency or not. */ public abstract ImmutableMap<BuildTarget, DependencyType> getDependencies(); public abstract Optional<IjModuleAndroidFacet> getAndroidFacet(); /** * @return a set of classpaths that the module requires to index correctly. */ public abstract ImmutableSet<Path> getExtraClassPathDependencies(); /** * @return Folders which contain the generated source code. */ public abstract ImmutableSet<IjFolder> getGeneratedSourceCodeFolders(); /** * @return JDK name defined for this module explicitly */ public abstract Optional<String> getSdkName(); public abstract Optional<String> getSdkType(); public abstract Optional<String> getLanguageLevel(); /** * @return path where the XML describing the module to IntelliJ will be written to. */ @Value.Derived public Path getModuleImlFilePath() { return getModuleBasePath().resolve(getName() + ".iml"); } @Value.Check protected void allRulesAreChildrenOfBasePath() { Path moduleBasePath = getModuleBasePath(); for (TargetNode<?, ?> target : getTargets()) { Path targetBasePath = target.getBuildTarget().getBasePath(); Preconditions.checkArgument(targetBasePath.startsWith(moduleBasePath), "A module cannot be composed of targets which are outside of its base path."); } } @Value.Check protected void checkDependencyConsistency() { ImmutableSet<BuildTarget> buildTargets = getTargets().stream().map(HasBuildTarget::getBuildTarget) .collect(MoreCollectors.toImmutableSet()); for (Map.Entry<BuildTarget, DependencyType> entry : getDependencies().entrySet()) { BuildTarget depBuildTarget = entry.getKey(); DependencyType dependencyType = entry.getValue(); boolean isSelfDependency = buildTargets.contains(depBuildTarget); if (dependencyType.equals(DependencyType.COMPILED_SHADOW)) { Preconditions.checkArgument(isSelfDependency, "Target %s is a COMPILED_SHADOW dependency of module %s and therefore should be part" + "of its target set.", depBuildTarget, getName()); } else { Preconditions.checkArgument(!isSelfDependency, "Target %s is a regular dependency of module %s and therefore should not be part of " + "its target set.", depBuildTarget, getName()); } } } @Override public void addAsDependency(DependencyType dependencyType, IjDependencyListBuilder dependencyListBuilder) { Preconditions.checkArgument(!dependencyType.equals(DependencyType.COMPILED_SHADOW)); IjDependencyListBuilder.Scope scope = IjDependencyListBuilder.Scope.COMPILE; if (dependencyType.equals(DependencyType.TEST)) { scope = IjDependencyListBuilder.Scope.TEST; } dependencyListBuilder.addModule(getName(), scope, false /* exported */); } }