public String _range(String args[]) {
verifyCommand(args, _rangeHelp, _rangePattern, 2, 3);
Version version = null;
if (args.length >= 3) version = new Version(args[2]);
else {
String v = domain.getProperty("@");
if (v == null) return null;
version = new Version(v);
}
String spec = args[1];
Matcher m = RANGE_MASK.matcher(spec);
m.matches();
String floor = m.group(1);
String floorMask = m.group(2);
String ceilingMask = m.group(3);
String ceiling = m.group(4);
String left = version(version, floorMask);
String right = version(version, ceilingMask);
StringBuilder sb = new StringBuilder();
sb.append(floor);
sb.append(left);
sb.append(",");
sb.append(right);
sb.append(ceiling);
String s = sb.toString();
VersionRange vr = new VersionRange(s);
if (!(vr.includes(vr.getHigh()) || vr.includes(vr.getLow()))) {
domain.error(
"${range} macro created an invalid range %s from %s and mask %s", s, version, spec);
}
return sb.toString();
}
public void addFilter(String ns, String name, String version, Attrs attrs) {
List<String> parts = new ArrayList<String>();
parts.add("(" + ns + "=" + name + ")");
if (version != null && VersionRange.isOSGiVersionRange(version)) {
VersionRange range = VersionRange.parseOSGiVersionRange(version);
parts.add(range.toFilter());
}
String mandatory = attrs.get(Constants.MANDATORY_DIRECTIVE + ":");
if (mandatory != null) {
String mandatoryAttrs[] = mandatory.split("\\s*,\\s*");
Arrays.sort(mandatoryAttrs);
for (String mandatoryAttr : mandatoryAttrs) {
String value = attrs.get(mandatoryAttr);
if (value != null) {
parts.add("(" + mandatoryAttr + "=" + escapeFilterValue(value) + ")");
}
}
}
StringBuilder sb = new StringBuilder();
if (parts.size() > 0) sb.append("(&");
for (String s : parts) {
sb.append(s);
}
if (parts.size() > 0) sb.append(")");
addDirective(Namespace.REQUIREMENT_FILTER_DIRECTIVE, sb.toString());
}
public static RequirementBuilder createRequirementFromCapability(Capability cap) {
RequirementBuilder req = new RequirementBuilder(cap.getNamespace());
StringBuilder sb = new StringBuilder("(&");
for (Entry<String, Object> e : cap.getAttributes().entrySet()) {
Object v = e.getValue();
if (v instanceof Version || e.getKey().equals("version")) {
VersionRange r = new VersionRange(v.toString());
String filter = r.toFilter();
sb.append(filter);
} else sb.append("(").append(e.getKey()).append("=").append(v).append(")");
}
sb.append(")");
req.and(sb.toString());
return req;
}
public SortedSet<ResourceDescriptor> find(String repoId, String bsn, VersionRange range)
throws Exception {
TreeSet<ResourceDescriptor> result =
new TreeSet<ResourceDescriptor>(RESOURCE_DESCRIPTOR_COMPARATOR);
for (ResourceDescriptorImpl r : filter(repoId, null)) {
if (!bsn.equals(r.bsn)) continue;
if (range != null && !range.includes(r.version)) continue;
result.add(r);
}
return result;
}
