PomUtil { public static boolean hasChildNode(Node parentNode, String nodeName) { NodeList children = parentNode.getChildNodes(); for (int i = 0; i < children.getLength(); i++) { Node n = children.item(i); if (Objects.equal(nodeName, n.getNodeName())) { return true; } } return false; } 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 testHasChildNode() 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); Assert.assertNotNull(getNode(document, "project/name")); Assert.assertTrue(PomUtil.hasChildNode(document.getDocumentElement(), "name")); Assert.assertNull(getNode(document, "project/description")); Assert.assertFalse(PomUtil.hasChildNode(document.getDocumentElement(), "description")); }