BUG-2453 (De)Serialize enum values as defined in yang

[controller.git] / opendaylight / netconf / config-netconf-connector / src / main / java / org / opendaylight / controller / netconf / confignetconfconnector / mapping / attributes / resolving / EnumAttributeResolvingStrategy.java

diff --git a/opendaylight/netconf/config-netconf-connector/src/main/java/org/opendaylight/controller/netconf/confignetconfconnector/mapping/attributes/resolving/EnumAttributeResolvingStrategy.java b/opendaylight/netconf/config-netconf-connector/src/main/java/org/opendaylight/controller/netconf/confignetconfconnector/mapping/attributes/resolving/EnumAttributeResolvingStrategy.java
new file mode 100644 (file)
index 0000000..25c4da1
--- /dev/null
+++ b/opendaylight/netconf/config-netconf-connector/src/main/java/org/opendaylight/controller/netconf/confignetconfconnector/mapping/attributes/resolving/EnumAttributeResolvingStrategy.java
@@ -0,0 +1,55 @@
+/*
+ * 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.netconf.confignetconfconnector.mapping.attributes.resolving;
+
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import java.util.Map;
+import javax.management.openmbean.CompositeType;
+import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
+import org.opendaylight.controller.netconf.confignetconfconnector.osgi.EnumResolver;
+import org.opendaylight.controller.netconf.confignetconfconnector.util.Util;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+final class EnumAttributeResolvingStrategy extends AbstractAttributeResolvingStrategy<Object, CompositeType> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(EnumAttributeResolvingStrategy.class);
+    private final EnumResolver enumResolver;
+
+    EnumAttributeResolvingStrategy(CompositeType simpleType, final EnumResolver enumResolver) {
+        super(simpleType);
+        this.enumResolver = enumResolver;
+    }
+
+    @Override
+    public String toString() {
+        return "ResolvedEnumAttribute [" + getOpenType().getClassName() + "]";
+    }
+
+    @Override
+    public Optional<Object> parseAttribute(String attrName, Object value) throws NetconfDocumentedException {
+        if (value == null) {
+            return Optional.absent();
+        }
+
+        Util.checkType(value, Map.class);
+        Map<?, ?> valueMap = (Map<?, ?>) value;
+        Preconditions.checkArgument(valueMap.size() == 1, "Unexpected value size " + value + " should be just 1 foe enum");
+        final Object innerValue = valueMap.values().iterator().next();
+        Util.checkType(innerValue, String.class);
+
+        final String className = getOpenType().getTypeName();
+        final Object parsedValue = enumResolver.fromYang(className, ((String) innerValue));
+
+        LOG.debug("Attribute {} : {} parsed to enum type {} with value {}", attrName, innerValue, getOpenType(), parsedValue);
+        return Optional.of(parsedValue);
+    }
+
+}