+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.config.facade.xml.mapping.attributes.toxml;
+
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import java.util.Map;
+import org.opendaylight.controller.config.facade.xml.util.Util;
+import org.opendaylight.controller.config.util.xml.XmlUtil;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+public class SimpleIdentityRefAttributeWritingStrategy extends SimpleAttributeWritingStrategy {
+
+ private static final String PREFIX = "prefix";
+
+ /**
+ * @param document
+ * @param key
+ */
+ public SimpleIdentityRefAttributeWritingStrategy(Document document, String key) {
+ super(document, key);
+ }
+
+ protected Object preprocess(Object value) {
+ Util.checkType(value, Map.class);
+ Preconditions.checkArgument(((Map<?, ?>)value).size() == 1, "Unexpected number of values in %s, expected 1", value);
+ Object stringValue = ((Map<?, ?>) value).values().iterator().next();
+ Util.checkType(stringValue, String.class);
+
+ return stringValue;
+ }
+
+ @Override
+ protected Element createElement(Document doc, String key, String value, Optional<String> namespace) {
+ QName qName = QName.create(value);
+ String identityValue = qName.getLocalName();
+ String identityNamespace = qName.getNamespace().toString();
+ return XmlUtil.createTextElementWithNamespacedContent(doc, key, PREFIX, identityNamespace, identityValue, namespace);
+ }
+}