/
DefaultDependencyManagementImporter.java
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/
DefaultDependencyManagementImporter.java
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/*
* 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.maven.internal.impl.model;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import org.apache.maven.api.di.Named;
import org.apache.maven.api.di.Singleton;
import org.apache.maven.api.model.Dependency;
import org.apache.maven.api.model.DependencyManagement;
import org.apache.maven.api.model.Exclusion;
import org.apache.maven.api.model.Model;
import org.apache.maven.api.services.BuilderProblem.Severity;
import org.apache.maven.api.services.ModelBuilderRequest;
import org.apache.maven.api.services.ModelProblem.Version;
import org.apache.maven.api.services.ModelProblemCollector;
import org.apache.maven.api.services.model.*;
/**
* Handles the import of dependency management from other models into the target model.
*
*/
@Named
@Singleton
public class DefaultDependencyManagementImporter implements DependencyManagementImporter {
@Override
public Model importManagement(
Model target,
List<? extends DependencyManagement> sources,
ModelBuilderRequest request,
ModelProblemCollector problems) {
if (sources != null && !sources.isEmpty()) {
Map<String, Dependency> dependencies = new LinkedHashMap<>();
DependencyManagement depMgmt = target.getDependencyManagement();
if (depMgmt != null) {
for (Dependency dependency : depMgmt.getDependencies()) {
dependencies.put(dependency.getManagementKey(), dependency);
}
} else {
depMgmt = DependencyManagement.newInstance();
}
Set<String> directDependencies = new HashSet<>(dependencies.keySet());
for (DependencyManagement source : sources) {
for (Dependency dependency : source.getDependencies()) {
String key = dependency.getManagementKey();
Dependency present = dependencies.putIfAbsent(key, dependency);
if (present != null && !equals(dependency, present) && !directDependencies.contains(key)) {
// TODO: https://issues.apache.org/jira/browse/MNG-8004
problems.add(
Severity.WARNING,
Version.V40,
"Ignored POM import for: " + toString(dependency) + " as already imported "
+ toString(present) + ". Add a the conflicting managed dependency directly "
+ "to the dependencyManagement section of the POM.");
}
}
}
return target.withDependencyManagement(depMgmt.withDependencies(dependencies.values()));
}
return target;
}
private String toString(Dependency dependency) {
StringBuilder stringBuilder = new StringBuilder();
stringBuilder
.append(dependency.getGroupId())
.append(":")
.append(dependency.getArtifactId())
.append(":")
.append(dependency.getType());
if (dependency.getClassifier() != null && !dependency.getClassifier().isEmpty()) {
stringBuilder.append(":").append(dependency.getClassifier());
}
stringBuilder
.append(":")
.append(dependency.getVersion())
.append("@")
.append(dependency.getScope() == null ? "compile" : dependency.getScope());
if (dependency.isOptional()) {
stringBuilder.append("[optional]");
}
if (!dependency.getExclusions().isEmpty()) {
stringBuilder.append("[").append(dependency.getExclusions().size()).append(" exclusions]");
}
return stringBuilder.toString();
}
private boolean equals(Dependency d1, Dependency d2) {
return Objects.equals(d1.getGroupId(), d2.getGroupId())
&& Objects.equals(d1.getArtifactId(), d2.getArtifactId())
&& Objects.equals(d1.getVersion(), d2.getVersion())
&& Objects.equals(d1.getType(), d2.getType())
&& Objects.equals(d1.getClassifier(), d2.getClassifier())
&& Objects.equals(d1.getScope(), d2.getScope())
&& Objects.equals(d1.getSystemPath(), d2.getSystemPath())
&& Objects.equals(d1.getOptional(), d2.getOptional())
&& equals(d1.getExclusions(), d2.getExclusions());
}
private boolean equals(Collection<Exclusion> ce1, Collection<Exclusion> ce2) {
if (ce1.size() == ce2.size()) {
Iterator<Exclusion> i1 = ce1.iterator();
Iterator<Exclusion> i2 = ce2.iterator();
while (i1.hasNext() && i2.hasNext()) {
if (!equals(i1.next(), i2.next())) {
return false;
}
}
return !i1.hasNext() && !i2.hasNext();
}
return false;
}
private boolean equals(Exclusion e1, Exclusion e2) {
return Objects.equals(e1.getGroupId(), e2.getGroupId())
&& Objects.equals(e1.getArtifactId(), e2.getArtifactId());
}
}