在我的插件中,我需要处理依赖关系层次结构并获取有关每个依赖关系以及是否已排除的信息(groupId、artifactId、版本等)。做这个的最好方式是什么?
依赖插件有树目标 http://maven.apache.org/plugins/maven-dependency-plugin/tree-mojo.html这完成了大部分工作。它处理一个MavenProject
使用DependencyTreeBuilder
,这会返回一个DependencyNode
包含有关已解析依赖项(及其传递依赖项)的分层信息。
您可以直接从 TreeMojo 复制大部分代码。它使用CollectingDependencyNodeVisitor
遍历树并产生List
所有节点的。
您可以访问Artifact
通过调用该节点getArtifact()
,然后根据需要获取工件信息。要获取排除原因,DependencyNode
has a getState()
返回一个 int 的方法,指示是否已包含依赖项,或者如果未包含,则省略它的原因是什么(DependencyNode 类中有常量用于检查返回值)
//All components need this annotation, omitted for brevity
/**
* @component
* @required
* @readonly
*/
private ArtifactFactory artifactFactory;
private ArtifactMetadataSource artifactMetadataSource;
private ArtifactCollector artifactCollector;
private DependencyTreeBuilder treeBuilder;
private ArtifactRepository localRepository;
private MavenProject project;
public void execute() throws MojoExecutionException, MojoFailureException {
try {
ArtifactFilter artifactFilter = new ScopeArtifactFilter(null);
DependencyNode rootNode = treeBuilder.buildDependencyTree(project,
localRepository, artifactFactory, artifactMetadataSource,
artifactFilter, artifactCollector);
CollectingDependencyNodeVisitor visitor =
new CollectingDependencyNodeVisitor();
rootNode.accept(visitor);
List<DependencyNode> nodes = visitor.getNodes();
for (DependencyNode dependencyNode : nodes) {
int state = dependencyNode.getState();
Artifact artifact = dependencyNode.getArtifact();
if(state == DependencyNode.INCLUDED) {
//...
}
}
} catch (DependencyTreeBuilderException e) {
// TODO handle exception
e.printStackTrace();
}
}
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