}

        @Override
        public boolean matches(String requirement) {
            try {
                VersionRange range = VersionRange.createFromVersionSpec(requirement);
                if (range.hasRestrictions()) {
                    return range.containsVersion(version);
                } else {
                    return range.getRecommendedVersion().compareTo(version) == 0;
                }

                    break;
                case ResolutionListener.RESTRICT_RANGE:
                    if (node.getArtifact().getVersionRange().hasRestrictions()
                            || replacement.getVersionRange().hasRestrictions()) {
                        listener.restrictRange(node.getArtifact(), replacement, newRange);
                    }
                    break;
                default:

            if (restriction.containsVersion(version)) {
                return true;
            }
        }
        return false;
    }

    public boolean hasRestrictions() {
        return !restrictions.isEmpty() && recommendedVersion == null;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }