public ArtifactMetadataRetrievalException(String message) {
        this(message, null, null);
    }

    /**
     * @param cause a cause
     * @deprecated use {@link #ArtifactMetadataRetrievalException(String, Throwable, Artifact)}
     */
    @Deprecated
    public ArtifactMetadataRetrievalException(Throwable cause) {
        this(null, cause, null);
    }

    /**
     * @param message a message

import org.apache.maven.api.xml.XmlNode;
import org.apache.maven.internal.xml.XmlNodeBuilder;
import org.codehaus.plexus.util.xml.Xpp3Dom;
import org.codehaus.plexus.util.xml.pull.MXParser;
import org.codehaus.plexus.util.xml.pull.XmlPullParser;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
import org.eclipse.sisu.Priority;
import org.eclipse.sisu.bean.BeanProperties;
import org.eclipse.sisu.bean.BeanProperty;

   * Equivalent to {@link #expectMissing(Object[]) expectMissing}{@code (null)} except that the call
   * to {@code contains(null)} is permitted to throw a {@code NullPointerException}.
   *
   * @param message message to use upon assertion failure
   */
  protected void expectNullMissingWhenNullUnsupported(String message) {
    try {
      assertFalse(message, actualContents().contains(null));
    } catch (NullPointerException tolerated) {

            if (dep.getVersion() == null) {
                Model depModel =
                        context.getRawModel(model.getDelegate().getPomFile(), dep.getGroupId(), dep.getArtifactId());
                if (depModel != null) {
                    String v = depModel.getVersion();
                    if (v == null && depModel.getParent() != null) {
                        v = depModel.getParent().getVersion();

     * @param root the Maven Dependency, must not be {@code null}
     * @param scope the {link PathScope} to collect dependencies, must not be {@code null}
     * @return the collection result, never {@code null}
     * @throws DependencyResolverException if the dependency tree could not be built
     * @throws IllegalArgumentException if an argument is null or invalid

            if ( this.path != null ) {
                _dst = _dst.deferred;
                _dst.enc_ndr_string(this.path);

            }
            if ( this.comment != null ) {
                _dst = _dst.deferred;
                _dst.enc_ndr_string(this.comment);

            }
            if ( this.stores != null ) {
                _dst = _dst.deferred;

    private static final long serialVersionUID = 1L;


    public PACDecodingException () {
        this(null, null);
    }


    public PACDecodingException ( String message ) {
        this(message, null);
    }


    public PACDecodingException ( Throwable cause ) {
        this(null, cause);
    }


    public PACDecodingException ( String message, Throwable cause ) {
        super(message, cause);

                && profile.getReporting() == null;
    }

    private static <T extends ModelBase.Builder> T prune(T builder, ModelBase model) {
        builder.properties(null).reporting(null);
        if (model.getDistributionManagement() != null
                && model.getDistributionManagement().getRelocation() != null) {
            // keep relocation only
            builder.distributionManagement(DistributionManagement.newBuilder()

    public void addClient(final List<String> regexList, final CrawlerClient client) {
        if (regexList == null || regexList.isEmpty()) {
            throw new CrawlerSystemException("A regular expression list is null or empty.");
        }
        if (client == null) {
            throw new CrawlerSystemException("CrawlerClient is null.");
        }
        for (final String regex : regexList) {
            if (StringUtil.isNotBlank(regex)) {

    }

    @Override
    public void info(final String message, final Throwable t) {
        logger.logp(Level.INFO, sourceClass, null, message, t);
    }

    @Override
    public boolean isDebugEnabled() {
        return logger.isLoggable(Level.FINE);
    }

    @Override
    public void debug(final String message) {
        logger.logp(Level.FINE, sourceClass, null, message);
    }