List<String> lines = new ArrayList<>();
        for (String line = this.readLine(); line != null && !line.isEmpty(); line = readLine()) {
            lines.add(line);
        }
        return lines;
    }

    @Override
    public void write(String line) throws IOException {
        doDisplay(line);
    }

    @Override
    public void writeLine(String line) throws IOException {

                    it.hasNext(); ) {
                URL url = it.next();
                List<String> lines;
                try (InputStream is = url.openStream();
                        BufferedReader reader = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8))) {
                    lines = reader.lines()
                            .map(String::trim)

    void testAptConsistency() throws Exception {
        File apt = getTestFile("src/site/apt/artifact-handlers.apt");

        List<String> lines = Files.readAllLines(apt.toPath());

        for (String line : lines) {
            if (line.startsWith("||")) {
                String[] cols = line.split("\\|\\|");
                String[] expected = new String[] {
                    "",
                    "type",

        if (relocationsEntries == null) {
            return null;
        }
        String[] entries = relocationsEntries.split(",");
        try (Stream<String> lines = Arrays.stream(entries)) {
            List<Relocation> relocationList = lines.filter(
                            l -> l != null && !l.trim().isEmpty())
                    .map(l -> {
                        boolean global;

        if (relocationsEntries == null) {
            return null;
        }
        String[] entries = relocationsEntries.split(",");
        try (Stream<String> lines = Arrays.stream(entries)) {
            List<Relocation> relocationList = lines.filter(
                            l -> l != null && !l.trim().isEmpty())
                    .map(l -> {
                        boolean global;

     * @param line The one-based index of the line containing the problem or {@code -1} if unknown.
     * @param column The one-based index of the column containing the problem or {@code -1} if unknown.
     * @param cause The cause of the problem, may be {@code null}.
     */
    void add(SettingsProblem.Severity severity, String message, int line, int column, Exception cause);

     */
    String getSource();

    /**
     * Gets the one-based index of the line containing the problem. The line number should refer to some text file that
     * is given by {@link #getSource()}.
     *
     * @return The one-based index of the line containing the problem or a non-positive value if unknown.
     */
    int getLineNumber();

    /**

     */
    String getSource();

    /**
     * Gets the one-based index of the line containing the problem. The line number should refer to some text file that
     * is given by {@link #getSource()}.
     *
     * @return The one-based index of the line containing the problem or a non-positive value if unknown.
     */
    int getLineNumber();

    /**

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.services.MavenException;

@Experimental
public class ModelParserException extends MavenException {

    /**
     * The one-based index of the line containing the error.
     */
    private final int lineNumber;

    /**
     * The one-based index of the column containing the error.
     */
    private final int columnNumber;

     * <p>
     * e.g running mvn site:run will cause Jetty to fail.
     * </p>
     * <p>
     * The resolution is to add -Djava.net.preferIPv4Stack=true to the command line as documented in
     * http://cwiki.apache.org/confluence/display/MAVEN/ConnectException
     * </p>
     */
    @Test
    void testJdk7ipv6() {