/*
* Copyright 2010 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;
import org.apache.commons.lang.ObjectUtils;
import org.gradle.api.InvalidUserDataException;
import org.gradle.api.artifacts.ModuleVersionIdentifier;
import org.gradle.api.artifacts.ResolvedArtifact;
import org.gradle.api.artifacts.ResolvedDependency;
import org.gradle.api.artifacts.ResolvedModuleVersion;
import java.util.*;
public class DefaultResolvedDependency implements ResolvedDependency {
private final Set<ResolvedDependency> children = new LinkedHashSet<ResolvedDependency>();
private final Set<ResolvedDependency> parents = new LinkedHashSet<ResolvedDependency>();
private final Map<ResolvedDependency, Set<ResolvedArtifact>> parentArtifacts = new LinkedHashMap<ResolvedDependency, Set<ResolvedArtifact>>();
private final String name;
private final ResolvedConfigurationIdentifier id;
private final Set<ResolvedArtifact> moduleArtifacts;
private final Map<ResolvedDependency, Set<ResolvedArtifact>> allArtifactsCache = new HashMap<ResolvedDependency, Set<ResolvedArtifact>>();
private Set<ResolvedArtifact> allModuleArtifactsCache;
public DefaultResolvedDependency(ModuleVersionIdentifier moduleVersionIdentifier, String configuration) {
this.name = String.format("%s:%s:%s", moduleVersionIdentifier.getGroup(), moduleVersionIdentifier.getName(), moduleVersionIdentifier.getVersion());
id = new ResolvedConfigurationIdentifier(moduleVersionIdentifier, configuration);
this.moduleArtifacts = new TreeSet<ResolvedArtifact>(new ResolvedArtifactComparator());
}
public String getName() {
return name;
}
public ResolvedConfigurationIdentifier getId() {
return id;
}
public String getModuleGroup() {
return id.getModuleGroup();
}
public String getModuleName() {
return id.getModuleName();
}
public String getModuleVersion() {
return id.getModuleVersion();
}
public String getConfiguration() {
return id.getConfiguration();
}
public ResolvedModuleVersion getModule() {
return new ResolvedModuleVersion() {
public ModuleVersionIdentifier getId() {
return id.getId();
}
};
}
public Set<ResolvedDependency> getChildren() {
return children;
}
public Set<ResolvedArtifact> getModuleArtifacts() {
return moduleArtifacts;
}
public Set<ResolvedArtifact> getAllModuleArtifacts() {
if (allModuleArtifactsCache == null) {
Set<ResolvedArtifact> allArtifacts = new LinkedHashSet<ResolvedArtifact>();
allArtifacts.addAll(getModuleArtifacts());
for (ResolvedDependency childResolvedDependency : getChildren()) {
allArtifacts.addAll(childResolvedDependency.getAllModuleArtifacts());
}
allModuleArtifactsCache = allArtifacts;
}
return allModuleArtifactsCache;
}
public Set<ResolvedArtifact> getParentArtifacts(ResolvedDependency parent) {
if (!parents.contains(parent)) {
throw new InvalidUserDataException("Provided dependency (" + parent + ") must be a parent of: " + this);
}
Set<ResolvedArtifact> artifacts = parentArtifacts.get(parent);
return artifacts == null ? Collections.<ResolvedArtifact>emptySet() : artifacts;
}
public Set<ResolvedArtifact> getArtifacts(ResolvedDependency parent) {
return getParentArtifacts(parent);
}
public Set<ResolvedArtifact> getAllArtifacts(ResolvedDependency parent) {
if (allArtifactsCache.get(parent) == null) {
Set<ResolvedArtifact> allArtifacts = new LinkedHashSet<ResolvedArtifact>();
allArtifacts.addAll(getArtifacts(parent));
for (ResolvedDependency childResolvedDependency : getChildren()) {
for (ResolvedDependency childParent : childResolvedDependency.getParents()) {
allArtifacts.addAll(childResolvedDependency.getAllArtifacts(childParent));
}
}
allArtifactsCache.put(parent, allArtifacts);
}
return allArtifactsCache.get(parent);
}
public Set<ResolvedDependency> getParents() {
return parents;
}
public String toString() {
return name + ";" + getConfiguration();
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
DefaultResolvedDependency that = (DefaultResolvedDependency) o;
return id.equals(that.id);
}
@Override
public int hashCode() {
return id.hashCode();
}
public void addChild(DefaultResolvedDependency child) {
children.add(child);
child.parents.add(this);
}
public void addParentSpecificArtifacts(ResolvedDependency parent, Set<ResolvedArtifact> artifacts) {
Set<ResolvedArtifact> parentArtifacts = this.parentArtifacts.get(parent);
if (parentArtifacts == null) {
parentArtifacts = new TreeSet<ResolvedArtifact>(new ResolvedArtifactComparator());
this.parentArtifacts.put(parent, parentArtifacts);
}
parentArtifacts.addAll(artifacts);
moduleArtifacts.addAll(artifacts);
}
public void addModuleArtifact(ResolvedArtifact artifact) {
moduleArtifacts.add(artifact);
}
private static class ResolvedArtifactComparator implements Comparator<ResolvedArtifact> {
public int compare(ResolvedArtifact artifact1, ResolvedArtifact artifact2) {
int diff = artifact1.getName().compareTo(artifact2.getName());
if (diff != 0) {
return diff;
}
diff = ObjectUtils.compare(artifact1.getClassifier(), artifact2.getClassifier());
if (diff != 0) {
return diff;
}
diff = artifact1.getExtension().compareTo(artifact2.getExtension());
if (diff != 0) {
return diff;
}
diff = artifact1.getType().compareTo(artifact2.getType());
if (diff != 0) {
return diff;
}
// Use an arbitrary ordering when the artifacts have the same public attributes
return artifact1.hashCode() - artifact2.hashCode();
}
}
}