+using namespace log4cpp;
+using namespace std;
+
+static const XMLCh Blacklist[] = UNICODE_LITERAL_23(B,l,a,c,k,l,i,s,t,M,e,t,a,d,a,t,a,F,i,l,t,e,r);
+static const XMLCh Exclude[] = UNICODE_LITERAL_7(E,x,c,l,u,d,e);
+static const XMLCh Include[] = UNICODE_LITERAL_7(I,n,c,l,u,d,e);
+static const XMLCh GenericMetadataFilter[] = UNICODE_LITERAL_14(M,e,t,a,d,a,t,a,F,i,l,t,e,r);
+static const XMLCh type[] = UNICODE_LITERAL_4(t,y,p,e);
+static const XMLCh Whitelist[] = UNICODE_LITERAL_23(W,h,i,t,e,l,i,s,t,M,e,t,a,d,a,t,a,F,i,l,t,e,r);
+
+MetadataProvider::MetadataProvider(const DOMElement* e)
+{
+#ifdef _DEBUG
+ NDC ndc("MetadataProvider");
+#endif
+ Category& log=Category::getInstance(SAML_LOGCAT".Metadata");
+ SAMLConfig& conf=SAMLConfig::getConfig();
+
+ // Locate any default recognized filters.
+ try {
+ DOMElement* child = e ? XMLHelper::getFirstChildElement(e) : NULL;
+ while (child) {
+ if (XMLString::equals(child->getLocalName(),GenericMetadataFilter)) {
+ auto_ptr_char t(child->getAttributeNS(NULL,type));
+ if (t.get())
+ m_filters.push_back(conf.MetadataFilterManager.newPlugin(t.get(),child));
+ }
+ else if (XMLString::equals(child->getLocalName(),Whitelist)) {
+ m_filters.push_back(conf.MetadataFilterManager.newPlugin(WHITELIST_METADATA_FILTER,child));
+ }
+ else if (XMLString::equals(child->getLocalName(),Blacklist)) {
+ m_filters.push_back(conf.MetadataFilterManager.newPlugin(BLACKLIST_METADATA_FILTER,child));
+ }
+ else if (XMLString::equals(child->getLocalName(),Include)) {
+ m_filters.push_back(conf.MetadataFilterManager.newPlugin(WHITELIST_METADATA_FILTER,e));
+ }
+ else if (XMLString::equals(child->getLocalName(),Exclude)) {
+ m_filters.push_back(conf.MetadataFilterManager.newPlugin(BLACKLIST_METADATA_FILTER,e));
+ }
+ child = XMLHelper::getNextSiblingElement(child);
+ }
+ }
+ catch (XMLToolingException&) {
+ for_each(m_filters.begin(),m_filters.end(),xmltooling::cleanup<MetadataFilter>());
+ throw;
+ }
+}
+
+MetadataProvider::~MetadataProvider()
+{
+ for_each(m_filters.begin(),m_filters.end(),xmltooling::cleanup<MetadataFilter>());
+}
+
+void MetadataProvider::doFilters(XMLObject& xmlObject) const
+{
+#ifdef _DEBUG
+ NDC ndc("doFilters");
+#endif
+ Category& log=Category::getInstance(SAML_LOGCAT".Metadata");
+ for (std::vector<MetadataFilter*>::const_iterator i=m_filters.begin(); i!=m_filters.end(); i++) {
+ log.info("applying metadata filter (%s)", (*i)->getId());
+ (*i)->doFilter(xmlObject);
+ }
+}