Decouple config and netconf subsystems.

[controller.git] / opendaylight / config / config-manager-facade-xml / src / main / java / org / opendaylight / controller / config / facade / xml / mapping / attributes / toxml / SimpleIdentityRefAttributeWritingStrategy.java

diff --git a/opendaylight/config/config-manager-facade-xml/src/main/java/org/opendaylight/controller/config/facade/xml/mapping/attributes/toxml/SimpleIdentityRefAttributeWritingStrategy.java b/opendaylight/config/config-manager-facade-xml/src/main/java/org/opendaylight/controller/config/facade/xml/mapping/attributes/toxml/SimpleIdentityRefAttributeWritingStrategy.java
new file mode 100644 (file)
index 0000000..44b1f3e
--- /dev/null
+++ b/opendaylight/config/config-manager-facade-xml/src/main/java/org/opendaylight/controller/config/facade/xml/mapping/attributes/toxml/SimpleIdentityRefAttributeWritingStrategy.java
@@ -0,0 +1,48 @@
+/*
+ * 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);
+    }
+}