PomUtil { public static void setParentVersion(Model model, Document document, String newParentVersion) { Preconditions.checkArgument(hasChildNode(document, NODE_NAME_PROJECT), "The document doesn't seem to be a POM model, project element is missing."); Parent parent = model.getParent(); if (parent != null) { parent.setVersion(newParentVersion); } Node parentNode = document.getDocumentElement().getElementsByTagName(PomUtil.NODE_NAME_PARENT).item(0); if (parentNode != null) { NodeList children = parentNode.getChildNodes(); for (int i = 0; i < children.getLength(); i++) { Node child = children.item(i); if (Objects.equal(child.getNodeName(), PomUtil.NODE_NAME_VERSION)) { child.setTextContent(newParentVersion); } } } } private  PomUtil(); static final Optional<Document> parsePOM(MavenProject project); static final Optional<Document> parsePOM(File pomFile); static final Document parsePOM(InputStream in); static final void writePOM(Document document, MavenProject project); static final void writePOM(Document document, OutputStream out, boolean closeOut); static void setProjectVersion(Model model, Document document, String newVersion); static void setParentVersion(Model model, Document document, String newParentVersion); static void setDependencyVersion(Dependency dependency, Document document, String dependenciesPath,
      String newVersion); static Node getOrCreateBuildNode(Document document, boolean createOnDemand); static Node getOrCreatePluginsNode(Document document, boolean createOnDemand); static Node getPlugin(Document document, String groupId, String artifactId); static Node createPlugin(Document document, String groupId, String artifactId, String version); static Node createPluginExecution(Node plugin, String id, Optional<String> phase, String... goals); static Node getOrCreateScmNode(Document document, boolean createOnDemand); static void setNodeTextContent(Node parentNode, String nodeName, String content, boolean createOnDemand); static void deleteNode(Node parentNode, String nodeName); static boolean hasChildNode(Node parentNode, String nodeName); static Optional<String> getChildNodeTextContent(Node parentNode, String nodeName); static final String ARTIFACT_TYPE_JAR; static final String ARTIFACT_TYPE_POM; static final String VERSION_QUALIFIER_SNAPSHOT; static final String VERSION_LATEST; static final String NODE_NAME_ARTIFACT_ID; static final String NODE_NAME_BUILD; static final String NODE_NAME_EXECUTION; static final String NODE_NAME_EXECUTIONS; static final String NODE_NAME_GOAL; static final String NODE_NAME_GOALS; static final String NODE_NAME_GROUP_ID; static final String NODE_NAME_ID; static final String NODE_NAME_PARENT; static final String NODE_NAME_PHASE; static final String NODE_NAME_PLUGIN; static final String NODE_NAME_PLUGINS; static final String NODE_NAME_PROJECT; static final String NODE_NAME_SCM; static final String NODE_NAME_SCM_CONNECTION; static final String NODE_NAME_SCM_DEV_CONNECTION; static final String NODE_NAME_SCM_TAG; static final String NODE_NAME_SCM_URL; static final String NODE_NAME_VERSION; static final String NODE_NAME_DEPENDENCY; static final String NODE_NAME_DEPENDENCIES; static final String NODE_NAME_DEPENDENCY_MANAGEMENT; }
@Test public void testSetParentVersion() throws Exception { URL url = getClass().getResource(getClass().getSimpleName() + "/pom1.xml"); File source; try { source = new File(url.toURI()); } catch (URISyntaxException e) { source = new File(url.getPath()); } DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder(); Document document = builder.parse(source); Model model = new Model(); model.setGroupId("com.itemis.maven.plugins"); model.setArtifactId("test-project-1"); model.setVersion("1"); Parent parent = new Parent(); parent.setGroupId("com.itemis"); parent.setArtifactId("org-parent"); parent.setVersion("1"); model.setParent(parent); String newVersion = "2"; PomUtil.setParentVersion(model, document, newVersion); Assert.assertEquals(newVersion, getNode(document.getDocumentElement(), "parent/version").getTextContent()); Assert.assertEquals(newVersion, model.getParent().getVersion()); }