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 static CapReqBuilder clone(Requirement requirement) throws Exception {
RequirementBuilder builder = new RequirementBuilder(requirement.getNamespace());
builder.addAttributes(requirement.getAttributes());
builder.addDirectives(requirement.getDirectives());
return builder;
}
