Neutron-mapper uses only DTOs from neutron.yang

[groupbasedpolicy.git] / neutron-mapper / src / main / java / org / opendaylight / groupbasedpolicy / neutron / mapper / util / NetworkUtils.java

diff --git a/neutron-mapper/src/main/java/org/opendaylight/groupbasedpolicy/neutron/mapper/util/NetworkUtils.java b/neutron-mapper/src/main/java/org/opendaylight/groupbasedpolicy/neutron/mapper/util/NetworkUtils.java
new file mode 100644 (file)
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+++ b/neutron-mapper/src/main/java/org/opendaylight/groupbasedpolicy/neutron/mapper/util/NetworkUtils.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2016 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.groupbasedpolicy.neutron.mapper.util;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.ext.rev150712.NetworkL3Extension;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.Networks;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.networks.Network;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.provider.ext.rev150712.NetworkProviderExtension;
+
+import com.google.common.base.Optional;
+import com.google.common.base.Strings;
+
+public class NetworkUtils {
+
+    public static List<Network> findRouterExternalNetworks(@Nullable Networks networks) {
+        if (networks == null || networks.getNetwork() == null) {
+            return Collections.emptyList();
+        }
+        List<Network> result = new ArrayList<>();
+        for (Network network : networks.getNetwork()) {
+            if (isRouterExternal(network)) {
+                result.add(network);
+            }
+        }
+        return result;
+    }
+
+    public static Optional<Network> findNetwork(Uuid uuid, @Nullable Networks networks) {
+        if (networks == null || networks.getNetwork() == null) {
+            return Optional.absent();
+        }
+        for (Network network : networks.getNetwork()) {
+            if (network.getUuid().equals(uuid)) {
+                return Optional.of(network);
+            }
+        }
+        return Optional.absent();
+    }
+
+    public static boolean isProviderPhysicalNetwork(Network network) {
+        return (!isRouterExternal(network) && !getPhysicalNetwork(network).isEmpty());
+    }
+
+    public static boolean isRouterExternal(Network network) {
+        NetworkL3Extension l3Extension = network.getAugmentation(NetworkL3Extension.class);
+        if (l3Extension == null) {
+            return false;
+        }
+        Boolean external = l3Extension.isExternal();
+        if (external == null) {
+            return false;
+        }
+        return true;
+    }
+
+    public static @Nonnull String getPhysicalNetwork(Network network) {
+        NetworkProviderExtension providerExtension = network.getAugmentation(NetworkProviderExtension.class);
+        if (providerExtension == null) {
+            return "";
+        }
+        return Strings.nullToEmpty(providerExtension.getPhysicalNetwork());
+    }
+
+    public static @Nonnull String getSegmentationId(Network network) {
+        NetworkProviderExtension providerExtension = network.getAugmentation(NetworkProviderExtension.class);
+        if (providerExtension == null) {
+            return "";
+        }
+        return Strings.nullToEmpty(providerExtension.getSegmentationId());
+    }
+}