| /* |
| * Copyright 2016 The Bazel Authors. All rights reserved. |
| * |
| * 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.google.idea.blaze.java.sync; |
| |
| import com.google.common.collect.ArrayListMultimap; |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Multimap; |
| import com.google.common.collect.Sets; |
| import com.google.idea.blaze.base.ideinfo.ArtifactLocation; |
| import com.google.idea.blaze.base.ideinfo.TargetKey; |
| import com.google.idea.blaze.base.scope.BlazeContext; |
| import com.google.idea.blaze.base.scope.output.PerformanceWarning; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** Detects and reports duplicate sources */ |
| public class DuplicateSourceDetector { |
| Multimap<ArtifactLocation, TargetKey> artifacts = ArrayListMultimap.create(); |
| |
| public void add(TargetKey targetKey, ArtifactLocation artifactLocation) { |
| artifacts.put(artifactLocation, targetKey); |
| } |
| |
| static class Duplicate { |
| final ArtifactLocation artifactLocation; |
| final Collection<TargetKey> targets; |
| |
| public Duplicate(ArtifactLocation artifactLocation, Collection<TargetKey> targets) { |
| this.artifactLocation = artifactLocation; |
| this.targets = targets; |
| } |
| } |
| |
| public void reportDuplicates(BlazeContext context) { |
| List<Duplicate> duplicates = Lists.newArrayList(); |
| for (ArtifactLocation key : artifacts.keySet()) { |
| Collection<TargetKey> labels = artifacts.get(key); |
| if (labels.size() > 1) { |
| |
| // Workaround for aspect bug. Can be removed after the next blaze release, as of May 27 2016 |
| Set<TargetKey> labelSet = Sets.newHashSet(labels); |
| if (labelSet.size() > 1) { |
| duplicates.add(new Duplicate(key, labelSet)); |
| } |
| } |
| } |
| |
| if (duplicates.isEmpty()) { |
| return; |
| } |
| |
| Collections.sort( |
| duplicates, |
| (lhs, rhs) -> |
| lhs.artifactLocation |
| .getRelativePath() |
| .compareTo(rhs.artifactLocation.getRelativePath())); |
| |
| context.output(new PerformanceWarning("Duplicate sources detected:")); |
| for (Duplicate duplicate : duplicates) { |
| ArtifactLocation artifactLocation = duplicate.artifactLocation; |
| context.output(new PerformanceWarning(" Source: " + artifactLocation.getRelativePath())); |
| context.output(new PerformanceWarning(" Consumed by rules:")); |
| for (TargetKey targetKey : duplicate.targets) { |
| context.output(new PerformanceWarning(" " + targetKey.label)); |
| } |
| context.output(new PerformanceWarning("")); // Newline |
| } |
| } |
| } |