String existingContent = "";

        // Try to read existing content
        try {
            FileObject inputFile = processingEnv.getFiler().getResource(StandardLocation.CLASS_OUTPUT, "", path);
            try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputFile.openInputStream()))) {
                String line;

    private static final String TOUCHFILE_NAME = "resolver-status.properties";

    @Override
    public boolean isUpdateRequired(Artifact artifact, ArtifactRepository repository) {
        File file = artifact.getFile();

        ArtifactRepositoryPolicy policy = artifact.isSnapshot() ? repository.getSnapshots() : repository.getReleases();

        if (!policy.isEnabled()) {
            if (getLogger().isDebugEnabled()) {

    }

    @Override
    public boolean isResolved() {
        return getFile() != null;
    }

    @Override
    public void setFile(File file) {
        throw new UnsupportedOperationException("transformed artifact file cannot be set");
    }

    @Override
    public synchronized File getFile() {
        try {
            String state = mayUpdate();
            if (state == null) {

                    return
                }
                if (!fvd.getFile().getName().endsWith(".xml")) {
                    return
                }

                String newFileName = fvd.file.name.replaceAll('.xml$', '.html')
                File outFile = fvd.relativePath.replaceLastName(newFileName).getFile(destDir)
                outFile.parentFile.mkdirs()

                execOps.javaexec {

    File createFile() throws IOException {
      File file = File.createTempFile("SinkSourceFile", "txt");
      fileThreadLocal.set(file);
      return file;
    }

    File getFile() {
      return fileThreadLocal.get();
    }

    // acts as an override in subclasses that implement SourceSinkFactory
    @SuppressWarnings("EffectivelyPrivate")

            parameters.put("releaseNotesJavascript", getReleaseNotesJavascriptFile().get().getAsFile());
            parameters.put("jqueryFiles", getJquery().getFiles());

            copySpec.filter(parameters, ReleaseNotesTransformer.class);
            copySpec.filter(Collections.singletonMap("tokens", getReplacementTokens().get()), ReplaceTokens.class);
        });
    }

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

/**
 * Exception that occurs when an artifact file is used, but has not been resolved.
 *
 * TODO it may be better for artifact.getFile() to throw it - perhaps it is a runtime exception?
 */
public class DependencyResolutionRequiredException extends Exception {
    public DependencyResolutionRequiredException(Artifact artifact) {

        return pomRepositories;
    }

    private boolean hasFile(Artifact artifact) {
        return artifact != null
                && artifact.getFile() != null
                && artifact.getFile().exists();
    }

    private List<ArtifactRepository> aggregateRepositories(
            List<ArtifactRepository> requestRepositories, List<ArtifactRepository> pomRepositories) {

            ArtifactRepository repository) {
        if (metadata != null && metadata.getFile() != null && metadata.getFile().isFile()) {
            try {
                Map<String, ?> options = Collections.singletonMap(MetadataReader.IS_STRICT, Boolean.FALSE);

                Metadata repoMetadata = metadataReader.read(metadata.getFile(), options);

                mergeMetadata(versions, repoMetadata, repository);

        this.project = project;

        artifact.setFile(project.getArtifact().getFile());
        artifact.setResolved(true);
    }

    /** {@inheritDoc} */
    @Override
    public File getFile() {
        // we need to get the latest file for the project, not the artifact that was created at one point in time
        return project.getArtifact().getFile();
    }

    /** {@inheritDoc} */
    @Override