| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.sling.feature.analyser.task.impl; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.SortedMap; |
| import java.util.TreeMap; |
| |
| import org.apache.sling.feature.analyser.task.AnalyserTask; |
| import org.apache.sling.feature.analyser.task.AnalyserTaskContext; |
| import org.apache.sling.feature.scanner.BundleDescriptor; |
| import org.apache.sling.feature.scanner.PackageInfo; |
| |
| public class CheckBundleExportsImports implements AnalyserTask { |
| |
| @Override |
| public String getName() { |
| return "Bundle Import/Export Check"; |
| } |
| |
| @Override |
| public String getId() { |
| return "bundle-packages"; |
| } |
| |
| public static final class Report { |
| |
| public List<PackageInfo> exportMatchingSeveral = new ArrayList<>(); |
| |
| public List<PackageInfo> missingExports = new ArrayList<>(); |
| |
| public List<PackageInfo> missingExportsWithVersion = new ArrayList<>(); |
| |
| public List<PackageInfo> missingExportsForOptional = new ArrayList<>(); |
| } |
| |
| private Report getReport(final Map<BundleDescriptor, Report> reports, final BundleDescriptor info) { |
| return reports.computeIfAbsent(info, key -> new Report()); |
| } |
| |
| @Override |
| public void execute(final AnalyserTaskContext ctx) throws IOException { |
| // basic checks |
| final Map<BundleDescriptor, Report> reports = new HashMap<>(); |
| |
| final SortedMap<Integer, List<BundleDescriptor>> bundlesMap = new TreeMap<>(); |
| for(final BundleDescriptor bi : ctx.getFeatureDescriptor().getBundleDescriptors()) { |
| List<BundleDescriptor> list = bundlesMap.computeIfAbsent(bi.getArtifact().getStartOrder(), key -> new ArrayList<>()); |
| list.add(bi); |
| } |
| |
| // add all system packages |
| final List<BundleDescriptor> exportingBundles = new ArrayList<>(); |
| if ( ctx.getFrameworkDescriptor() != null ) { |
| exportingBundles.add(ctx.getFrameworkDescriptor()); |
| } |
| |
| for(final Map.Entry<Integer, List<BundleDescriptor>> entry : bundlesMap.entrySet()) { |
| // first add all exporting bundles |
| for(final BundleDescriptor info : entry.getValue()) { |
| if ( !info.getExportedPackages().isEmpty() ) { |
| exportingBundles.add(info); |
| } |
| } |
| // check importing bundles |
| for(final BundleDescriptor info : entry.getValue()) { |
| for(final PackageInfo pck : info.getImportedPackages() ) { |
| final List<BundleDescriptor> candidates = getCandidates(exportingBundles, pck); |
| if ( candidates.isEmpty() ) { |
| if ( pck.isOptional() ) { |
| getReport(reports, info).missingExportsForOptional.add(pck); |
| } else { |
| getReport(reports, info).missingExports.add(pck); |
| } |
| } else { |
| final List<BundleDescriptor> matchingCandidates = new ArrayList<>(); |
| for (final BundleDescriptor i : candidates) { |
| if (i.isExportingPackage(pck)) { |
| matchingCandidates.add(i); |
| } |
| } |
| if ( matchingCandidates.isEmpty() ) { |
| if ( pck.isOptional() ) { |
| getReport(reports, info).missingExportsForOptional.add(pck); |
| } else { |
| getReport(reports, info).missingExportsWithVersion.add(pck); |
| } |
| } else if ( matchingCandidates.size() > 1 ) { |
| getReport(reports, info).exportMatchingSeveral.add(pck); |
| } |
| } |
| } |
| } |
| } |
| |
| boolean errorReported = false; |
| for(final Map.Entry<BundleDescriptor, Report> entry : reports.entrySet()) { |
| if ( !entry.getValue().missingExports.isEmpty() ) { |
| ctx.reportArtifactError(entry.getKey().getArtifact().getId(), " is importing package(s) " + getPackageInfo(entry.getValue().missingExports, false) + " in start level " + |
| String.valueOf(entry.getKey().getArtifact().getStartOrder()) |
| + " but no bundle is exporting these for that start level."); |
| errorReported = true; |
| } |
| if ( !entry.getValue().missingExportsWithVersion.isEmpty() ) { |
| ctx.reportArtifactError(entry.getKey().getArtifact().getId(), " is importing package(s) " |
| + getPackageInfo(entry.getValue().missingExportsWithVersion, true) + " in start level " |
| + String.valueOf(entry.getKey().getArtifact().getStartOrder()) |
| + " but no bundle is exporting these for that start level in the required version range."); |
| errorReported = true; |
| } |
| } |
| if (errorReported && ctx.getFeature().isComplete()) { |
| ctx.reportError(ctx.getFeature().getId().toMvnId() + " is marked as 'complete' but has missing imports."); |
| } |
| } |
| |
| private String getPackageInfo(final List<PackageInfo> pcks, final boolean includeVersion) { |
| if ( pcks.size() == 1 ) { |
| if (includeVersion) { |
| return pcks.get(0).toString(); |
| } else { |
| return pcks.get(0).getName(); |
| } |
| } |
| final StringBuilder sb = new StringBuilder(); |
| boolean first = true; |
| sb.append('['); |
| for(final PackageInfo info : pcks) { |
| if ( first ) { |
| first = false; |
| } else { |
| sb.append(", "); |
| } |
| if (includeVersion) { |
| sb.append(info.toString()); |
| } else { |
| sb.append(info.getName()); |
| } |
| } |
| sb.append(']'); |
| return sb.toString(); |
| } |
| |
| private List<BundleDescriptor> getCandidates(final List<BundleDescriptor> exportingBundles, final PackageInfo pck) { |
| final List<BundleDescriptor> candidates = new ArrayList<>(); |
| for(final BundleDescriptor info : exportingBundles) { |
| if ( info.isExportingPackage(pck.getName()) ) { |
| candidates.add(info); |
| } |
| } |
| return candidates; |
| } |
| } |