/**
 * Performs additional checks on changelog files, beyond whether they conform to the schema.
 */
public class ValidateChangelogEntryTask extends DefaultTask {
    private final ConfigurableFileCollection changelogs;
    private final ProjectLayout projectLayout;

    @Inject
    public ValidateChangelogEntryTask(ObjectFactory objectFactory, ProjectLayout projectLayout) {
        this.changelogs = objectFactory.fileCollection();

                task.setReport(new File(project.getBuildDir(), "reports/validateYaml.txt"));
            });

        final TaskProvider<ValidateChangelogEntryTask> validateChangelogsTask = project.getTasks()
            .register("validateChangelogs", ValidateChangelogEntryTask.class, task -> {
                task.setGroup("Documentation");
                task.setDescription("Validate that all changelog YAML files are well-formed");

import java.util.Objects;
import java.util.stream.Collectors;

/**
 * This class models the contents of a changelog YAML file. We validate it using a
 * JSON Schema, as well as some programmatic checks in {@link ValidateChangelogEntryTask}.
 * <ul>
 *   <li><code>buildSrc/src/main/resources/changelog-schema.json</code></li>
 *   <li><a href="https://json-schema.org/understanding-json-schema/">Understanding JSON Schema</a></li>
 * </ul>
 */