Remove no-longer-used effective bom artifact

Closes gh-44894

Author: wilkinsona

buildSrc/src/main/java/org/springframework/boot/build/bom/BomExtension.java

@@ -16,10 +16,6 @@
 
 package org.springframework.boot.build.bom;
 
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
@@ -29,37 +25,19 @@
 import java.util.function.Function;
 
 import javax.inject.Inject;
-import javax.xml.parsers.DocumentBuilderFactory;
-import javax.xml.transform.TransformerFactory;
-import javax.xml.transform.dom.DOMSource;
-import javax.xml.transform.stream.StreamResult;
-import javax.xml.xpath.XPath;
-import javax.xml.xpath.XPathConstants;
-import javax.xml.xpath.XPathFactory;
 
 import groovy.lang.Closure;
 import groovy.lang.GroovyObjectSupport;
 import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
 import org.apache.maven.artifact.versioning.VersionRange;
 import org.gradle.api.Action;
-import org.gradle.api.GradleException;
 import org.gradle.api.InvalidUserCodeException;
 import org.gradle.api.InvalidUserDataException;
 import org.gradle.api.Project;
-import org.gradle.api.Task;
-import org.gradle.api.artifacts.Configuration;
 import org.gradle.api.artifacts.dsl.DependencyHandler;
 import org.gradle.api.model.ObjectFactory;
 import org.gradle.api.plugins.JavaPlatformPlugin;
-import org.gradle.api.publish.maven.tasks.GenerateMavenPom;
-import org.gradle.api.tasks.Sync;
-import org.gradle.api.tasks.TaskExecutionException;
-import org.gradle.api.tasks.TaskProvider;
-import org.w3c.dom.Document;
-import org.w3c.dom.NodeList;
-
-import org.springframework.boot.build.DeployedPlugin;
-import org.springframework.boot.build.RepositoryTransformersExtension;
+
 import org.springframework.boot.build.bom.Library.Exclusion;
 import org.springframework.boot.build.bom.Library.Group;
 import org.springframework.boot.build.bom.Library.LibraryVersion;
@@ -68,9 +46,7 @@
 import org.springframework.boot.build.bom.Library.ProhibitedVersion;
 import org.springframework.boot.build.bom.Library.VersionAlignment;
 import org.springframework.boot.build.bom.bomr.version.DependencyVersion;
-import org.springframework.boot.build.mavenplugin.MavenExec;
 import org.springframework.boot.build.properties.BuildProperties;
-import org.springframework.util.FileCopyUtils;
 import org.springframework.util.PropertyPlaceholderHelper;
 import org.springframework.util.PropertyPlaceholderHelper.PlaceholderResolver;
 
@@ -138,65 +114,6 @@ public void library(String name, String version, Action<LibraryHandler> action)
 				libraryHandler.links));
 	}
 
-	public void effectiveBomArtifact() {
-		Configuration effectiveBomConfiguration = this.project.getConfigurations().create("effectiveBom");
-		RepositoryTransformersExtension repositoryTransformers = this.project.getExtensions()
-			.getByType(RepositoryTransformersExtension.class);
-		this.project.getTasks()
-			.matching((task) -> task.getName().equals(DeployedPlugin.GENERATE_POM_TASK_NAME))
-			.all((task) -> {
-				File generatedBomDir = this.project.getLayout()
-					.getBuildDirectory()
-					.dir("generated/bom")
-					.get()
-					.getAsFile();
-				TaskProvider<Sync> syncBom = this.project.getTasks().register("syncBom", Sync.class, (sync) -> {
-					sync.dependsOn(task);
-					sync.setDestinationDir(generatedBomDir);
-					sync.from(((GenerateMavenPom) task).getDestination(), (pom) -> pom.rename((name) -> "pom.xml"));
-					sync.from(this.project.getResources().getText().fromString(loadSettingsXml()), (settingsXml) -> {
-						settingsXml.rename((name) -> "settings.xml");
-						settingsXml.filter(repositoryTransformers.mavenSettings());
-					});
-				});
-				File effectiveBom = this.project.getLayout()
-					.getBuildDirectory()
-					.file("generated/effective-bom/" + this.project.getName() + "-effective-bom.xml")
-					.get()
-					.getAsFile();
-				TaskProvider<MavenExec> generateEffectiveBom = this.project.getTasks()
-					.register("generateEffectiveBom", MavenExec.class, (maven) -> {
-						maven.getProjectDir().set(generatedBomDir);
-						maven.args("--settings", "settings.xml", "help:effective-pom", "-Doutput=" + effectiveBom);
-						maven.dependsOn(syncBom);
-						maven.getOutputs().file(effectiveBom);
-						maven.doLast(new StripUnrepeatableOutputAction(effectiveBom));
-					});
-				this.project.getArtifacts()
-					.add(effectiveBomConfiguration.getName(), effectiveBom,
-							(artifact) -> artifact.builtBy(generateEffectiveBom));
-			});
-	}
-
-	private String loadSettingsXml() {
-		try {
-			return FileCopyUtils
-				.copyToString(new InputStreamReader(
-						getClass().getClassLoader().getResourceAsStream("effective-bom-settings.xml"),
-						StandardCharsets.UTF_8))
-				.replace("localRepositoryPath",
-						this.project.getLayout()
-							.getBuildDirectory()
-							.dir("local-m2-repository")
-							.get()
-							.getAsFile()
-							.getAbsolutePath());
-		}
-		catch (IOException ex) {
-			throw new GradleException("Failed to prepare settings.xml", ex);
-		}
-	}
-
 	private String createDependencyNotation(String groupId, String artifactId, DependencyVersion version) {
 		return groupId + ":" + artifactId + ":" + version;
 	}
@@ -655,39 +572,4 @@ public List<String> getIssueLabels() {
 
 	}
 
-	private static final class StripUnrepeatableOutputAction implements Action<Task> {
-
-		private final File effectiveBom;
-
-		private StripUnrepeatableOutputAction(File xmlFile) {
-			this.effectiveBom = xmlFile;
-		}
-
-		@Override
-		public void execute(Task task) {
-			try {
-				Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(this.effectiveBom);
-				XPath xpath = XPathFactory.newInstance().newXPath();
-				NodeList comments = (NodeList) xpath.evaluate("//comment()", document, XPathConstants.NODESET);
-				for (int i = 0; i < comments.getLength(); i++) {
-					org.w3c.dom.Node comment = comments.item(i);
-					comment.getParentNode().removeChild(comment);
-				}
-				org.w3c.dom.Node build = (org.w3c.dom.Node) xpath.evaluate("/project/build", document,
-						XPathConstants.NODE);
-				build.getParentNode().removeChild(build);
-				org.w3c.dom.Node reporting = (org.w3c.dom.Node) xpath.evaluate("/project/reporting", document,
-						XPathConstants.NODE);
-				reporting.getParentNode().removeChild(reporting);
-				TransformerFactory.newInstance()
-					.newTransformer()
-					.transform(new DOMSource(document), new StreamResult(this.effectiveBom));
-			}
-			catch (Exception ex) {
-				throw new TaskExecutionException(task, ex);
-			}
-		}
-
-	}
-
 }

buildSrc/src/main/resources/effective-bom-settings.xml

@@ -6,7 +6,6 @@ plugins {
 description = "Spring Boot Dependencies"
 
 bom {
-	effectiveBomArtifact()
 	upgrade {
 		policy = "same-minor-version"
 		gitHub {