--- /dev/null
+/*
+ * Copyright 2001-2007 Internet2
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * NullMetadataProvider.cpp
+ *
+ * Dummy provider that returns an empty entity supporting any role.
+ */
+
+#include "internal.h"
+#include "saml2/metadata/Metadata.h"
+#include "saml2/metadata/DynamicMetadataProvider.h"
+
+#include <xmltooling/util/XMLHelper.h>
+
+using namespace opensaml::saml2md;
+using namespace xmltooling;
+using namespace std;
+
+namespace opensaml {
+ namespace saml2md {
+ class SAML_DLLLOCAL NullMetadataProvider : public DynamicMetadataProvider
+ {
+ public:
+ NullMetadataProvider(const DOMElement* e) : DynamicMetadataProvider(e), m_template(NULL) {
+ e = XMLHelper::getFirstChildElement(e, samlconstants::SAML20MD_NS, EntityDescriptor::LOCAL_NAME);
+ if (e)
+ m_template = dynamic_cast<EntityDescriptor*>(XMLObjectBuilder::buildOneFromElement(const_cast<DOMElement*>(e)));
+ }
+
+ virtual ~NullMetadataProvider() {
+ delete m_template;
+ }
+
+ protected:
+ EntityDescriptor* resolve(const char* entityID) const;
+
+ private:
+ EntityDescriptor* m_template;
+ };
+
+ MetadataProvider* SAML_DLLLOCAL NullMetadataProviderFactory(const DOMElement* const & e)
+ {
+ return new NullMetadataProvider(e);
+ }
+ };
+};
+
+EntityDescriptor* NullMetadataProvider::resolve(const char* entityID) const
+{
+ // Resolving for us just means fabricating a new dummy element.
+ EntityDescriptor* entity = m_template ? m_template->cloneEntityDescriptor() : EntityDescriptorBuilder::buildEntityDescriptor();
+ auto_ptr_XMLCh temp(entityID);
+ entity->setEntityID(temp.get());
+ return entity;
+}