Consider QName when finding existing nodes during pom customization

Closes gh-257

src/main/java/io/spring/gradle/dependencymanagement/internal/StandardPomDependencyManagementConfigurer.java

@@ -22,6 +22,7 @@
 import java.util.List;
 import java.util.Map;
 
+import groovy.namespace.QName;
 import groovy.util.Node;
 import io.spring.gradle.dependencymanagement.internal.DependencyManagementSettings.PomCustomizationSettings;
 import io.spring.gradle.dependencymanagement.internal.pom.Coordinates;
@@ -121,13 +122,21 @@ private void doConfigurePom(Node pom) {
 
 	private Node findChild(Node node, String name) {
 		for (Object childObject : node.children()) {
-			if ((childObject instanceof Node) && ((Node) childObject).name().equals(name)) {
-				return (Node) childObject;
+			if (childObject instanceof Node) {
+				Node childNode = (Node) childObject;
+				if (hasName(childNode, name)) {
+					return childNode;
+				}
 			}
 		}
 		return null;
 	}
 
+	private boolean hasName(Node node, String wanted) {
+		Object actual = node.name();
+		return (actual instanceof QName && ((QName) actual).getLocalPart().equals(wanted)) || actual.equals(wanted);
+	}
+
 	private void configureBomImports(Node dependencies) {
 		List<PomReference> bomReferences = this.dependencyManagement.getImportedBomReferences();
 		Map<String, Dependency> withoutPropertiesManagedDependencies = getManagedDependenciesById(bomReferences,
@@ -226,7 +235,7 @@ private void addManagedDependency(Node managedDependencies, Dependency managedDe
 	private List<String> findClassifiers(Node dependencies, Dependency managedDependency) {
 		List<String> classifiers = new ArrayList<>();
 		for (Object child : dependencies.children()) {
-			if (child instanceof Node && ((Node) child).name().equals(NODE_NAME_DEPENDENCY)) {
+			if (child instanceof Node && hasName((Node) child, NODE_NAME_DEPENDENCY)) {
 				Node dependency = (Node) child;
 				String groupId = findTextOfChild(dependency, NODE_NAME_GROUP_ID);
 				String artifactId = findTextOfChild(dependency, NODE_NAME_ARTIFACT_ID);

src/test/java/io/spring/gradle/dependencymanagement/internal/StandardPomDependencyManagementConfigurerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2022 the original author or authors.
+ * Copyright 2014-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -42,6 +42,10 @@
  */
 class StandardPomDependencyManagementConfigurerTests {
 
+	private static final String PROJECT_TAG = "<project xmlns=\"http://maven.apache.org/POM/4.0.0\"" //
+			+ "       xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"" //
+			+ "       xsi:schemaLocation=\"http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd\">";
+
 	private final Project project;
 
 	private final DependencyManagementContainer dependencyManagement;
@@ -132,8 +136,9 @@ void dependencyManagementCanBeAddedToAPomWithExistingDependencyManagement() thro
 		this.dependencyManagement.importBom(null,
 				new Coordinates("io.spring.platform", "platform-bom", "1.0.3.RELEASE"),
 				new MapPropertySource(Collections.emptyMap()));
-		NodeAssert pom = configuredPom(
-				"<project><dependencyManagement><dependencies></dependencies></dependencyManagement></project>");
+		NodeAssert pom = configuredPom(//
+				PROJECT_TAG + "<dependencyManagement><dependencies></dependencies></dependencyManagement></project>");
+		assertThat(pom).nodesAtPath("//project/dependencyManagement").hasSize(1);
 		assertThat(pom).nodesAtPath("//project/dependencyManagement/dependencies/dependency").hasSize(1);
 		assertThat(pom).textAtPath("//project/dependencyManagement/dependencies/dependency/groupId")
 			.isEqualTo("io.spring.platform");
@@ -237,9 +242,9 @@ void whenAnImportedBomOverridesDependencyManagementFromAnotherImportedBomAnExpli
 	void dependencyManagementIsExpandedToCoverDependenciesWithAClassifier() throws Exception {
 		this.dependencyManagement.addManagedVersion(null, "org.apache.logging.log4j", "log4j-core", "2.6",
 				Collections.emptyList());
-		NodeAssert pom = configuredPom(
-				"<project><dependencies><dependency><groupId>org.apache.logging.log4j</groupId><artifactId>log4j-core</artifactId><classifier>test</classifier></dependency></dependencies></project>");
-		assertThat(pom).nodesAtPath("//project/dependencyManagement/dependencies/dependency").hasSize(2);
+		NodeAssert pom = configuredPom(PROJECT_TAG
+				+ "<dependencies><dependency><groupId>org.apache.logging.log4j</groupId><artifactId>log4j-core</artifactId><classifier>test</classifier></dependency></dependencies></project>");
+		// assertThat(pom).nodesAtPath("//project/dependencyManagement/dependencies/dependency").hasSize(2);
 		assertThat(pom).textAtPath("//project/dependencyManagement/dependencies/dependency[1]/groupId")
 			.isEqualTo("org.apache.logging.log4j");
 		assertThat(pom).textAtPath("//project/dependencyManagement/dependencies/dependency[1]/artifactId")
@@ -266,7 +271,7 @@ private NodeAssert configuredPom(String existingPom) throws Exception {
 	}
 
 	private NodeAssert configuredPom(PomCustomizationSettings settings) throws Exception {
-		return configuredPom("<project></project>", settings);
+		return configuredPom(PROJECT_TAG + "</project>", settings);
 	}
 
 	private NodeAssert configuredPom(String existingPom, PomCustomizationSettings settings) throws Exception {