我有同样的问题,所以我写了一个 maven 插件来为我处理它。这是一个非常极端的解决方法,但它确实有效。
创建 Maven 插件的文档位于The Apache Maven Project上。您可以从命令行原型创建一个插件项目并将这个 mojo 添加到您的项目中。
/**
* Inserts a "latest" block into the maven-metadata-local.xml in the user's local
* repository using the currently configured version number.
*
* @version Sep 23, 2013
*/
@Mojo( name = "latest-version", defaultPhase = LifecyclePhase.INSTALL )
public class InstallLatestVersionMojo extends AbstractMojo {
/**
* Location of the .m2 directory
*/
@Parameter( defaultValue = "/${user.home}/.m2/repository", property = "outputDir", required = true )
private File repositoryLocation;
@Parameter( defaultValue = "${project.groupId}", property = "groupId", required = true )
private String groupId;
@Parameter( defaultValue = "${project.artifactId}", property = "artifactId", required = true )
private String artifactId;
/**
* Version to use as the installed version
*/
@Parameter( defaultValue = "${project.version}", property = "version", required = true )
private String version;
public void execute() throws MojoExecutionException, MojoFailureException {
try {
// Fetch the xml file to edit from the user's repository for the project
File installDirectory = getInstallDirectory(repositoryLocation, groupId, artifactId);
File xmlFile = new File(installDirectory, "maven-metadata-local.xml");
Document xml = getXmlDoc(xmlFile);
if (xml != null) {
// Fetch the <latest> node
Node nodeLatest = getNode(xml, "/metadata/versioning/latest");
if (nodeLatest == null) {
// If <latest> does not yet exist, insert it into the <versioning> block before <versions>
nodeLatest = xml.createElement("latest");
Node versioningNode = getNode(xml, "/metadata/versioning");
if (versioningNode != null) {
versioningNode.insertBefore(nodeLatest, getNode(xml, "metadata/versioning/versions"));
}
}
// set the version on the <latest> node to the newly installed version
nodeLatest.setTextContent(version);
// save the xml
save(xmlFile, xml);
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private void save(File xmlFile, Document xml) throws TransformerFactoryConfigurationError, TransformerException {
Transformer transformer = TransformerFactory.newInstance().newTransformer();
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
Result output = new StreamResult(xmlFile);
Source input = new DOMSource(xml);
transformer.transform(input, output);
}
private Node getNode(Document source, String path) throws XPathExpressionException{
Node ret = null;
XPathExpression xPath = getPath(path);
NodeList nodes = (NodeList) xPath.evaluate(source, XPathConstants.NODESET);
if(nodes.getLength() > 0 ) {
ret = nodes.item(0);
}
return ret;
}
private XPathExpression getPath(String path) throws XPathExpressionException{
XPath xpath = XPathFactory.newInstance().newXPath();
return xpath.compile(path);
}
private File getInstallDirectory(File repositoryLocation, String groupId, String artifactId) {
String group = groupId.replace('.', '/');
return new File(repositoryLocation, group + "/" + artifactId);
}
private Document getXmlDoc(File xmlFile) throws ParserConfigurationException, SAXException, IOException {
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
return dBuilder.parse(xmlFile);
}
}