| /* |
| * 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 |
| * |
| * https://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.ivy.ant; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.ivy.core.module.id.ModuleRevisionId; |
| import org.apache.ivy.core.report.ResolveReport; |
| import org.apache.ivy.core.resolve.IvyNode; |
| import org.apache.ivy.core.resolve.IvyNodeCallers.Caller; |
| import org.apache.ivy.core.resolve.IvyNodeEviction.EvictionData; |
| import org.apache.tools.ant.BuildException; |
| |
| public class IvyDependencyTree extends IvyPostResolveTask { |
| |
| private final Map<ModuleRevisionId, List<IvyNode>> dependencies = new HashMap<>(); |
| |
| private boolean showEvicted = false; |
| |
| public void doExecute() throws BuildException { |
| prepareAndCheck(); |
| ResolveReport report = getResolvedReport(); |
| if (report == null) { |
| throw new BuildException("No resolution report was available to run the post-resolve task. Make sure resolve was done before this task"); |
| } |
| log("Dependency tree for " + report.getResolveId()); |
| ModuleRevisionId mrid = report.getModuleDescriptor().getModuleRevisionId(); |
| // make dependency tree easier to fetch information |
| for (IvyNode dependency : report.getDependencies()) { |
| populateDependencyTree(dependency); |
| } |
| final List<IvyNode> dependencyList = dependencies.get(mrid); |
| if (dependencyList != null) { |
| printDependencies(mrid, dependencyList, 0, new HashSet<ModuleRevisionId>()); |
| } |
| } |
| |
| private void printDependencies(final ModuleRevisionId mrid, final List<IvyNode> dependencyList, final int indent, |
| final Set<ModuleRevisionId> ancestors) { |
| for (IvyNode dependency : dependencyList) { |
| final Set<ModuleRevisionId> ancestorsForCurrentDep = new HashSet<>(ancestors); |
| // previous ancestors plus the module to whom these dependencies belong to |
| ancestorsForCurrentDep.add(mrid); |
| final boolean evicted = dependency.isEvicted(getConf()); |
| if (evicted && !showEvicted) { |
| continue; |
| } |
| final boolean isLastDependency = dependencyList.indexOf(dependency) == dependencyList.size() - 1; |
| final StringBuilder sb = new StringBuilder(); |
| final ModuleRevisionId dependencyMrid = dependency.getId(); |
| final boolean circular = ancestorsForCurrentDep.contains(dependencyMrid); |
| if (indent > 0) { |
| for (int i = 0; i < indent; i++) { |
| if (i == indent - 1 && isLastDependency && !hasDependencies(dependency)) { |
| sb.append(" "); |
| } else { |
| sb.append("| "); |
| } |
| |
| } |
| } |
| sb.append(isLastDependency ? "\\- " : "+- "); |
| if (!evicted && circular) { |
| // log and skip processing the (transitive) dependencies of this dependency |
| sb.append("(circularly depends on) ").append(dependencyMrid); |
| log(sb.toString()); |
| continue; |
| } else { |
| sb.append(dependencyMrid.toString()); |
| } |
| if (evicted && showEvicted) { |
| EvictionData evictedData = dependency.getEvictedData(getConf()); |
| if (evictedData.isTransitivelyEvicted()) { |
| sb.append(" transitively"); |
| } else { |
| sb.append(" evicted by "); |
| sb.append(evictedData.getSelected()); |
| sb.append(" in ").append(evictedData.getParent()); |
| if (evictedData.getDetail() != null) { |
| sb.append(" ").append(evictedData.getDetail()); |
| } |
| } |
| } |
| log(sb.toString()); |
| |
| printDependencies(dependencyMrid, dependencies.get(dependencyMrid), indent + 1, ancestorsForCurrentDep); |
| } |
| } |
| |
| private boolean hasDependencies(final IvyNode module) { |
| if (module == null) { |
| return false; |
| } |
| final List<IvyNode> dependenciesForModule = dependencies.get(module.getId()); |
| return dependenciesForModule != null && !dependenciesForModule.isEmpty(); |
| } |
| |
| private void populateDependencyTree(IvyNode dependency) { |
| registerNodeIfNecessary(dependency.getId()); |
| for (Caller caller : dependency.getAllCallers()) { |
| addDependency(caller.getModuleRevisionId(), dependency); |
| } |
| } |
| |
| private void registerNodeIfNecessary(final ModuleRevisionId moduleRevisionId) { |
| if (!dependencies.containsKey(moduleRevisionId)) { |
| dependencies.put(moduleRevisionId, new ArrayList<IvyNode>()); |
| } |
| } |
| |
| private void addDependency(final ModuleRevisionId moduleRevisionId, final IvyNode dependency) { |
| registerNodeIfNecessary(moduleRevisionId); |
| dependencies.get(moduleRevisionId).add(dependency); |
| } |
| |
| public boolean isShowEvicted() { |
| return showEvicted; |
| } |
| |
| public void setShowEvicted(boolean showEvicted) { |
| this.showEvicted = showEvicted; |
| } |
| |
| } |