void testCompileClasspathTransform() throws Exception {
        ClasspathContainer res;

        res = transform.transform(graph, ArtifactScopeEnum.compile, false);

        assertNotNull(res, "null classpath container after compile transform");
        assertNotNull(res.getClasspath(), "null classpath after compile transform");
        assertEquals(3, res.getClasspath().size(), "compile classpath should have 3 entries");
    }

        when(sessionDataMock.get(any())).thenReturn(new NoTransformerContext());

        Path beforePomFile =
                Paths.get("src/test/resources/projects/transform/before.pom").toAbsolutePath();
        Path afterPomFile =
                Paths.get("src/test/resources/projects/transform/after.pom").toAbsolutePath();
        Path tempFile = Files.createTempFile("", ".pom");
        Files.delete(tempFile);

        Model model = result.getRawModel();
        return transform(model, project);
    }

    protected Model buildNonPom(RepositorySystemSession session, MavenProject project, Path src)
            throws ModelBuilderException {
        ModelBuilderResult result = buildModel(session, project, src);
        Model model = result.getEffectiveModel();
        return transform(model, project);
    }

 * under the License.
 */
package org.apache.maven.artifact.transform;

import javax.inject.Inject;

import java.util.List;

import org.apache.maven.repository.legacy.resolver.transform.ArtifactTransformation;
import org.apache.maven.repository.legacy.resolver.transform.ArtifactTransformationManager;
import org.apache.maven.repository.legacy.resolver.transform.LatestArtifactTransformation;

        } else {
            String current = sha1(src);
            String existing = sourceState.get();
            if (!Objects.equals(current, existing)) {
                defaultConsumerPomArtifactTransformer.transform(project, session, src, target);
                Files.setLastModifiedTime(target, Files.getLastModifiedTime(src));
            }
            result = current;
        }
        sourceState.set(result);

        public XmlReaderRequestBuilder reader(Reader reader) {
            this.reader = reader;
            return this;
        }

        public XmlReaderRequestBuilder transformer(Transformer transformer) {
            this.transformer = transformer;
            return this;
        }

        public XmlReaderRequestBuilder strict(boolean strict) {
            this.strict = strict;
            return this;
        }

import java.nio.file.Path;

import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.model.Model;

/**
 * The ModelTransformer is a way to transform the local pom while streaming the input.
 *
 * The {@link #transform(ModelTransformerContext, Model, Path)} method uses a Path on purpose, to ensure the
 * local pom is the original source.
 *
 * @since 4.0.0
 */
public interface ModelTransformer {

 * under the License.
 */
package org.apache.maven.api.services;

import java.nio.file.Path;

import org.apache.maven.api.model.Model;

/**
 * Context used to transform a pom file.
 *
 * @since 4.0.0
 */
public interface ModelTransformerContext {

    /**
     * Key to get the TransformerContext from the SessionData
     */
    Object KEY = ModelTransformerContext.class;

        try {
            Model model = readFileModel(request, problems);

            try {
                if (transformer != null && context != null) {
                    transformer.transform(context, model, pomFile);
                }
            } catch (ModelBuilderException e) {
                problems.add(Severity.FATAL, ModelProblem.Version.V40, null, e);

                session,
                new ProjectArtifact(project),
                () -> project.getFile().toPath(),
                CONSUMER_POM_CLASSIFIER,
                "pom");
    }

    void transform(MavenProject project, RepositorySystemSession session, Path src, Path tgt)
            throws ModelBuildingException, XMLStreamException, IOException {
        Model model = builder.build(session, project, src);