/*
* Copyright 2014 the original author or authors.
*
* 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 org.gradle.api.internal.artifacts.ivyservice.resolveengine.oldresult;
import org.gradle.api.artifacts.ModuleDependency;
import org.gradle.api.artifacts.ModuleVersionSelector;
import org.gradle.api.artifacts.component.ComponentIdentifier;
import org.gradle.api.internal.artifacts.ivyservice.DefaultUnresolvedDependency;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.artifact.ArtifactSet;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.artifact.DependencyArtifactsVisitor;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.DependencyGraphEdge;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.DependencyGraphNode;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.DependencyGraphPathResolver;
import org.gradle.api.internal.artifacts.ivyservice.resolveengine.graph.DependencyGraphVisitor;
import org.gradle.internal.component.local.model.LocalFileDependencyMetadata;
import org.gradle.internal.resolve.ModuleVersionResolveException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
/**
* Adapts a {@link ResolvedConfigurationBuilder}, which is responsible for assembling the resolved configuration result, to a {@link DependencyGraphVisitor} and
* {@link DependencyArtifactsVisitor}.
*/
public class ResolvedConfigurationDependencyGraphVisitor implements DependencyArtifactsVisitor {
private final ResolvedConfigurationBuilder builder;
private final Map<ModuleVersionSelector, BrokenDependency> failuresByRevisionId = new LinkedHashMap<ModuleVersionSelector, BrokenDependency>();
private DependencyGraphNode root;
public ResolvedConfigurationDependencyGraphVisitor(ResolvedConfigurationBuilder builder) {
this.builder = builder;
}
@Override
public void visitNode(DependencyGraphNode node) {
builder.newResolvedDependency(node);
for (DependencyGraphEdge dependency : node.getOutgoingEdges()) {
ModuleVersionResolveException failure = dependency.getFailure();
if (failure != null) {
addUnresolvedDependency(dependency, dependency.getRequestedModuleVersion(), failure);
}
}
for (DependencyGraphEdge dependency : node.getIncomingEdges()) {
if (dependency.getFrom() == root) {
ModuleDependency moduleDependency = dependency.getModuleDependency();
builder.addFirstLevelDependency(moduleDependency, node);
}
}
}
@Override
public void startArtifacts(DependencyGraphNode root) {
this.root = root;
}
@Override
public void visitArtifacts(DependencyGraphNode from, LocalFileDependencyMetadata fileDependency, ArtifactSet artifactSet) {
}
@Override
public void visitArtifacts(DependencyGraphNode from, DependencyGraphNode to, ArtifactSet artifacts) {
builder.addChild(from, to, artifacts.getId());
}
@Override
public void finishArtifacts() {
attachFailures(builder);
builder.done(root);
}
private void attachFailures(ResolvedConfigurationBuilder result) {
for (Map.Entry<ModuleVersionSelector, BrokenDependency> entry : failuresByRevisionId.entrySet()) {
Collection<List<ComponentIdentifier>> paths = DependencyGraphPathResolver.calculatePaths(entry.getValue().requiredBy, root);
result.addUnresolvedDependency(new DefaultUnresolvedDependency(entry.getKey(), entry.getValue().failure.withIncomingPaths(paths)));
}
}
private void addUnresolvedDependency(DependencyGraphEdge dependency, ModuleVersionSelector requested, ModuleVersionResolveException failure) {
BrokenDependency breakage = failuresByRevisionId.get(requested);
if (breakage == null) {
breakage = new BrokenDependency(failure);
failuresByRevisionId.put(requested, breakage);
}
breakage.requiredBy.add(dependency.getFrom());
}
private static class BrokenDependency {
final ModuleVersionResolveException failure;
final List<DependencyGraphNode> requiredBy = new ArrayList<DependencyGraphNode>();
private BrokenDependency(ModuleVersionResolveException failure) {
this.failure = failure;
}
}
}