Decouple config and netconf subsystems.

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

diff --git a/opendaylight/config/config-manager-facade-xml/src/main/java/org/opendaylight/controller/config/facade/xml/mapping/attributes/fromxml/SimpleAttributeReadingStrategy.java b/opendaylight/config/config-manager-facade-xml/src/main/java/org/opendaylight/controller/config/facade/xml/mapping/attributes/fromxml/SimpleAttributeReadingStrategy.java
new file mode 100644 (file)
index 0000000..0fa0358
--- /dev/null
+++ b/opendaylight/config/config-manager-facade-xml/src/main/java/org/opendaylight/controller/config/facade/xml/mapping/attributes/fromxml/SimpleAttributeReadingStrategy.java
@@ -0,0 +1,45 @@
+/*
+ * 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.fromxml;
+
+import com.google.common.base.Preconditions;
+import java.util.List;
+import org.opendaylight.controller.config.util.xml.DocumentedException;
+import org.opendaylight.controller.config.util.xml.XmlElement;
+
+public class SimpleAttributeReadingStrategy extends AbstractAttributeReadingStrategy {
+    public SimpleAttributeReadingStrategy(String nullableDefault) {
+        super(nullableDefault);
+    }
+
+    @Override
+    AttributeConfigElement readElementHook(List<XmlElement> configNodes) throws DocumentedException {
+        XmlElement xmlElement = configNodes.get(0);
+        Preconditions.checkState(configNodes.size() == 1, "This element should be present only once " + xmlElement
+                + " but was " + configNodes.size());
+
+        String textContent = readElementContent(xmlElement);
+        return AttributeConfigElement.create(postprocessNullableDefault(getNullableDefault()),
+                postprocessParsedValue(textContent));
+    }
+
+    protected String readElementContent(XmlElement xmlElement) throws DocumentedException {
+        return xmlElement.getTextContent();
+    }
+
+    @Override
+    protected Object postprocessNullableDefault(String nullableDefault) {
+        return nullableDefault;
+    }
+
+    protected Object postprocessParsedValue(String textContent) {
+        return textContent;
+    }
+
+}