Fix for bugs 446 and 456
[controller.git] / opendaylight / northbound / networkconfiguration / neutron / src / main / java / org / opendaylight / controller / networkconfig / neutron / northbound / NeutronNetworksNorthbound.java
index b77536b8dba967743c8f0fd18e0ee188b1f6c75a..d7437c831d4eb38a248c72bbe4050114a358e32e 100644 (file)
-/*\r
- * Copyright IBM Corporation, 2013.  All rights reserved.\r
- *\r
- * This program and the accompanying materials are made available under the\r
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,\r
- * and is available at http://www.eclipse.org/legal/epl-v10.html\r
- */\r
-\r
-package org.opendaylight.controller.networkconfig.neutron.northbound;\r
-\r
-import java.util.ArrayList;\r
-import java.util.HashMap;\r
-import java.util.Iterator;\r
-import java.util.List;\r
-import javax.ws.rs.Consumes;\r
-import javax.ws.rs.DELETE;\r
-import javax.ws.rs.GET;\r
-import javax.ws.rs.POST;\r
-import javax.ws.rs.PUT;\r
-import javax.ws.rs.Path;\r
-import javax.ws.rs.PathParam;\r
-import javax.ws.rs.Produces;\r
-import javax.ws.rs.QueryParam;\r
-import javax.ws.rs.core.MediaType;\r
-import javax.ws.rs.core.Response;\r
-\r
-import org.codehaus.enunciate.jaxrs.ResponseCode;\r
-import org.codehaus.enunciate.jaxrs.StatusCodes;\r
-import org.codehaus.enunciate.jaxrs.TypeHint;\r
-import org.opendaylight.controller.networkconfig.neutron.INeutronNetworkAware;\r
-import org.opendaylight.controller.networkconfig.neutron.INeutronNetworkCRUD;\r
-import org.opendaylight.controller.networkconfig.neutron.NeutronNetwork;\r
-import org.opendaylight.controller.northbound.commons.RestMessages;\r
-import org.opendaylight.controller.northbound.commons.exception.ServiceUnavailableException;\r
-import org.opendaylight.controller.sal.utils.ServiceHelper;\r
-\r
-/**\r
- * Open DOVE Northbound REST APIs for Network.<br>\r
- * This class provides REST APIs for managing open DOVE internals related to Networks\r
- *\r
- * <br>\r
- * <br>\r
- * Authentication scheme : <b>HTTP Basic</b><br>\r
- * Authentication realm : <b>opendaylight</b><br>\r
- * Transport : <b>HTTP and HTTPS</b><br>\r
- * <br>\r
- * HTTPS Authentication is disabled by default. Administrator can enable it in\r
- * tomcat-server.xml after adding a proper keystore / SSL certificate from a\r
- * trusted authority.<br>\r
- * More info :\r
- * http://tomcat.apache.org/tomcat-7.0-doc/ssl-howto.html#Configuration\r
- *\r
- */\r
-\r
-@Path("/networks")\r
-public class NeutronNetworksNorthbound {\r
-\r
-    private NeutronNetwork extractFields(NeutronNetwork o, List<String> fields) {\r
-        return o.extractFields(fields);\r
-    }\r
-\r
-    /**\r
-     * Returns a list of all Networks */\r
-\r
-    @GET\r
-    @Produces({ MediaType.APPLICATION_JSON })\r
-    //@TypeHint(OpenStackNetworks.class)\r
-    @StatusCodes({\r
-            @ResponseCode(code = 200, condition = "Operation successful"),\r
-            @ResponseCode(code = 401, condition = "Unauthorized") })\r
-    public Response listNetworks(\r
-            // return fields\r
-            @QueryParam("fields") List<String> fields,\r
-            // note: openstack isn't clear about filtering on lists, so we aren't handling them\r
-            @QueryParam("id") String queryID,\r
-            @QueryParam("name") String queryName,\r
-            @QueryParam("admin_state_up") String queryAdminStateUp,\r
-            @QueryParam("status") String queryStatus,\r
-            @QueryParam("shared") String queryShared,\r
-            @QueryParam("tenant_id") String queryTenantID,\r
-            @QueryParam("router_external") String queryRouterExternal,\r
-            @QueryParam("provider_network_type") String queryProviderNetworkType,\r
-            @QueryParam("provider_physical_network") String queryProviderPhysicalNetwork,\r
-            @QueryParam("provider_segmentation_id") String queryProviderSegmentationID,\r
-            // pagination\r
-            @QueryParam("limit") String limit,\r
-            @QueryParam("marker") String marker,\r
-            @QueryParam("page_reverse") String pageReverse\r
-            // sorting not supported\r
-        ) {\r
-        INeutronNetworkCRUD networkInterface = NeutronNBInterfaces.getIfNBNetworkCRUD("default", this);\r
-        if (networkInterface == null) {\r
-            throw new ServiceUnavailableException("Network CRUD Interface "\r
-                    + RestMessages.SERVICEUNAVAILABLE.toString());\r
-        }\r
-        List<NeutronNetwork> allNetworks = networkInterface.getAllNetworks();\r
-        List<NeutronNetwork> ans = new ArrayList<NeutronNetwork>();\r
-        Iterator<NeutronNetwork> i = allNetworks.iterator();\r
-        while (i.hasNext()) {\r
-            NeutronNetwork oSN = i.next();\r
-            //match filters: TODO provider extension\r
-            Boolean bAdminStateUp = null;\r
-            Boolean bShared = null;\r
-            Boolean bRouterExternal = null;\r
-            if (queryAdminStateUp != null)\r
-                bAdminStateUp = Boolean.valueOf(queryAdminStateUp);\r
-            if (queryShared != null)\r
-                bShared = Boolean.valueOf(queryShared);\r
-            if (queryRouterExternal != null)\r
-                bRouterExternal = Boolean.valueOf(queryRouterExternal);\r
-            if ((queryID == null || queryID.equals(oSN.getID())) &&\r
-                    (queryName == null || queryName.equals(oSN.getNetworkName())) &&\r
-                    (bAdminStateUp == null || bAdminStateUp.booleanValue() == oSN.isAdminStateUp()) &&\r
-                    (queryStatus == null || queryStatus.equals(oSN.getStatus())) &&\r
-                    (bShared == null || bShared.booleanValue() == oSN.isShared()) &&\r
-                    (bRouterExternal == null || bRouterExternal.booleanValue() == oSN.isRouterExternal()) &&\r
-                    (queryTenantID == null || queryTenantID.equals(oSN.getTenantID()))) {\r
-                if (fields.size() > 0)\r
-                    ans.add(extractFields(oSN,fields));\r
-                else\r
-                    ans.add(oSN);\r
-            }\r
-        }\r
-        //TODO: apply pagination to results\r
-        return Response.status(200).entity(\r
-                new NeutronNetworkRequest(ans)).build();\r
-    }\r
-\r
-    /**\r
-     * Returns a specific Network */\r
-\r
-    @Path("{netUUID}")\r
-    @GET\r
-    @Produces({ MediaType.APPLICATION_JSON })\r
-    //@TypeHint(OpenStackNetworks.class)\r
-    @StatusCodes({\r
-            @ResponseCode(code = 200, condition = "Operation successful"),\r
-            @ResponseCode(code = 401, condition = "Unauthorized"),\r
-            @ResponseCode(code = 404, condition = "Not Found") })\r
-    public Response showNetwork(\r
-            @PathParam("netUUID") String netUUID,\r
-            // return fields\r
-            @QueryParam("fields") List<String> fields\r
-            ) {\r
-        INeutronNetworkCRUD networkInterface = NeutronNBInterfaces.getIfNBNetworkCRUD("default", this);\r
-        if (networkInterface == null) {\r
-            throw new ServiceUnavailableException("Network CRUD Interface "\r
-                    + RestMessages.SERVICEUNAVAILABLE.toString());\r
-        }\r
-        if (!networkInterface.networkExists(netUUID))\r
-            return Response.status(404).build();\r
-        if (fields.size() > 0) {\r
-            NeutronNetwork ans = networkInterface.getNetwork(netUUID);\r
-            return Response.status(200).entity(\r
-                    new NeutronNetworkRequest(extractFields(ans, fields))).build();\r
-        } else\r
-            return Response.status(200).entity(\r
-                    new NeutronNetworkRequest(networkInterface.getNetwork(netUUID))).build();\r
-    }\r
-\r
-    /**\r
-     * Creates new Networks */\r
-    @POST\r
-    @Produces({ MediaType.APPLICATION_JSON })\r
-    @Consumes({ MediaType.APPLICATION_JSON })\r
-    @TypeHint(NeutronNetwork.class)\r
-    @StatusCodes({\r
-            @ResponseCode(code = 201, condition = "Created"),\r
-            @ResponseCode(code = 400, condition = "Bad Request"),\r
-            @ResponseCode(code = 401, condition = "Unauthorized") })\r
-    public Response createNetworks(final NeutronNetworkRequest input) {\r
-        INeutronNetworkCRUD networkInterface = NeutronNBInterfaces.getIfNBNetworkCRUD("default", this);\r
-        if (networkInterface == null) {\r
-            throw new ServiceUnavailableException("Network CRUD Interface "\r
-                    + RestMessages.SERVICEUNAVAILABLE.toString());\r
-        }\r
-        if (input.isSingleton()) {\r
-            NeutronNetwork singleton = input.getSingleton();\r
-\r
-            /*\r
-             * network ID can't already exist\r
-             */\r
-            if (networkInterface.networkExists(singleton.getID()))\r
-                return Response.status(400).build();\r
-\r
-            Object[] instances = ServiceHelper.getGlobalInstances(INeutronNetworkAware.class, this, null);\r
-            if (instances != null) {\r
-                for (Object instance : instances) {\r
-                    INeutronNetworkAware service = (INeutronNetworkAware) instance;\r
-                    int status = service.canCreateNetwork(singleton);\r
-                    if (status < 200 || status > 299)\r
-                        return Response.status(status).build();\r
-                }\r
-            }\r
-\r
-            // add network to cache\r
-            networkInterface.addNetwork(singleton);\r
-            if (instances != null) {\r
-                for (Object instance : instances) {\r
-                    INeutronNetworkAware service = (INeutronNetworkAware) instance;\r
-                    service.neutronNetworkCreated(singleton);\r
-                }\r
-            }\r
-\r
-        } else {\r
-            List<NeutronNetwork> bulk = input.getBulk();\r
-            Iterator<NeutronNetwork> i = bulk.iterator();\r
-            HashMap<String, NeutronNetwork> testMap = new HashMap<String, NeutronNetwork>();\r
-            Object[] instances = ServiceHelper.getGlobalInstances(INeutronNetworkAware.class, this, null);\r
-            while (i.hasNext()) {\r
-                NeutronNetwork test = i.next();\r
-\r
-                /*\r
-                 * network ID can't already exist, nor can there be an entry for this UUID\r
-                 * already in this bulk request\r
-                 */\r
-                if (networkInterface.networkExists(test.getID()))\r
-                    return Response.status(400).build();\r
-                if (testMap.containsKey(test.getID()))\r
-                    return Response.status(400).build();\r
-                if (instances != null) {\r
-                    for (Object instance: instances) {\r
-                        INeutronNetworkAware service = (INeutronNetworkAware) instance;\r
-                        int status = service.canCreateNetwork(test);\r
-                        if (status < 200 || status > 299)\r
-                            return Response.status(status).build();\r
-                    }\r
-                }\r
-                testMap.put(test.getID(),test);\r
-            }\r
-\r
-            // now that everything passed, add items to the cache\r
-            i = bulk.iterator();\r
-            while (i.hasNext()) {\r
-                NeutronNetwork test = i.next();\r
-                test.initDefaults();\r
-                networkInterface.addNetwork(test);\r
-                if (instances != null) {\r
-                    for (Object instance: instances) {\r
-                        INeutronNetworkAware service = (INeutronNetworkAware) instance;\r
-                        service.neutronNetworkCreated(test);\r
-                    }\r
-                }\r
-            }\r
-        }\r
-        return Response.status(201).entity(input).build();\r
-    }\r
-\r
-    /**\r
-     * Updates a Network */\r
-    @Path("{netUUID}")\r
-    @PUT\r
-    @Produces({ MediaType.APPLICATION_JSON })\r
-    @Consumes({ MediaType.APPLICATION_JSON })\r
-    //@TypeHint(OpenStackNetworks.class)\r
-    @StatusCodes({\r
-            @ResponseCode(code = 200, condition = "Operation successful"),\r
-            @ResponseCode(code = 400, condition = "Bad Request"),\r
-            @ResponseCode(code = 403, condition = "Forbidden"),\r
-            @ResponseCode(code = 404, condition = "Not Found"), })\r
-    public Response updateNetwork(\r
-            @PathParam("netUUID") String netUUID, final NeutronNetworkRequest input\r
-            ) {\r
-        INeutronNetworkCRUD networkInterface = NeutronNBInterfaces.getIfNBNetworkCRUD("default", this);\r
-        if (networkInterface == null) {\r
-            throw new ServiceUnavailableException("Network CRUD Interface "\r
-                    + RestMessages.SERVICEUNAVAILABLE.toString());\r
-        }\r
-\r
-        /*\r
-         * network has to exist and only a single delta is supported\r
-         */\r
-        if (!networkInterface.networkExists(netUUID))\r
-            return Response.status(404).build();\r
-        if (!input.isSingleton())\r
-            return Response.status(400).build();\r
-        NeutronNetwork delta = input.getSingleton();\r
-\r
-        /*\r
-         * transitions forbidden by Neutron\r
-         */\r
-        if (delta.getID() != null || delta.getTenantID() != null ||\r
-                delta.getStatus() != null)\r
-            return Response.status(400).build();\r
-\r
-        Object[] instances = ServiceHelper.getGlobalInstances(INeutronNetworkAware.class, this, null);\r
-        if (instances != null) {\r
-            for (Object instance : instances) {\r
-                INeutronNetworkAware service = (INeutronNetworkAware) instance;\r
-                NeutronNetwork original = networkInterface.getNetwork(netUUID);\r
-                int status = service.canUpdateNetwork(delta, original);\r
-                if (status < 200 || status > 299)\r
-                    return Response.status(status).build();\r
-            }\r
-        }\r
-\r
-        // update network object and return the modified object\r
-        networkInterface.updateNetwork(netUUID, delta);\r
-        NeutronNetwork updatedSingleton = networkInterface.getNetwork(netUUID);\r
-        if (instances != null) {\r
-            for (Object instance : instances) {\r
-                INeutronNetworkAware service = (INeutronNetworkAware) instance;\r
-                service.neutronNetworkUpdated(updatedSingleton);\r
-            }\r
-        }\r
-        return Response.status(200).entity(\r
-                new NeutronNetworkRequest(networkInterface.getNetwork(netUUID))).build();\r
-    }\r
-\r
-    /**\r
-     * Deletes a Network */\r
-\r
-    @Path("{netUUID}")\r
-    @DELETE\r
-    @StatusCodes({\r
-            @ResponseCode(code = 204, condition = "No Content"),\r
-            @ResponseCode(code = 401, condition = "Unauthorized"),\r
-            @ResponseCode(code = 404, condition = "Not Found"),\r
-            @ResponseCode(code = 409, condition = "Network In Use") })\r
-    public Response deleteNetwork(\r
-            @PathParam("netUUID") String netUUID) {\r
-        INeutronNetworkCRUD networkInterface = NeutronNBInterfaces.getIfNBNetworkCRUD("default", this);\r
-        if (networkInterface == null) {\r
-            throw new ServiceUnavailableException("Network CRUD Interface "\r
-                    + RestMessages.SERVICEUNAVAILABLE.toString());\r
-        }\r
-\r
-        /*\r
-         * network has to exist and not be in use before it can be removed\r
-         */\r
-        if (!networkInterface.networkExists(netUUID))\r
-            return Response.status(404).build();\r
-        if (networkInterface.networkInUse(netUUID))\r
-            return Response.status(409).build();\r
-\r
-        NeutronNetwork singleton = networkInterface.getNetwork(netUUID);\r
-        Object[] instances = ServiceHelper.getGlobalInstances(INeutronNetworkAware.class, this, null);\r
-        if (instances != null) {\r
-            for (Object instance : instances) {\r
-                INeutronNetworkAware service = (INeutronNetworkAware) instance;\r
-                int status = service.canDeleteNetwork(singleton);\r
-                if (status < 200 || status > 299)\r
-                    return Response.status(status).build();\r
-            }\r
-        }\r
-        networkInterface.removeNetwork(netUUID);\r
-        if (instances != null) {\r
-            for (Object instance : instances) {\r
-                INeutronNetworkAware service = (INeutronNetworkAware) instance;\r
-                service.neutronNetworkDeleted(singleton);\r
-            }\r
-        }\r
-        return Response.status(204).build();\r
-    }\r
-}\r
+/*
+ * Copyright IBM Corporation, 2013.  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.networkconfig.neutron.northbound;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.DELETE;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+
+import org.codehaus.enunciate.jaxrs.ResponseCode;
+import org.codehaus.enunciate.jaxrs.StatusCodes;
+import org.codehaus.enunciate.jaxrs.TypeHint;
+import org.opendaylight.controller.networkconfig.neutron.INeutronNetworkAware;
+import org.opendaylight.controller.networkconfig.neutron.INeutronNetworkCRUD;
+import org.opendaylight.controller.networkconfig.neutron.NeutronCRUDInterfaces;
+import org.opendaylight.controller.networkconfig.neutron.NeutronNetwork;
+import org.opendaylight.controller.northbound.commons.RestMessages;
+import org.opendaylight.controller.northbound.commons.exception.BadRequestException;
+import org.opendaylight.controller.northbound.commons.exception.ResourceConflictException;
+import org.opendaylight.controller.northbound.commons.exception.ResourceNotFoundException;
+import org.opendaylight.controller.northbound.commons.exception.ServiceUnavailableException;
+import org.opendaylight.controller.sal.utils.ServiceHelper;
+
+/**
+ * Neutron Northbound REST APIs for Network.<br>
+ * This class provides REST APIs for managing neutron Networks
+ *
+ * <br>
+ * <br>
+ * Authentication scheme : <b>HTTP Basic</b><br>
+ * Authentication realm : <b>opendaylight</b><br>
+ * Transport : <b>HTTP and HTTPS</b><br>
+ * <br>
+ * HTTPS Authentication is disabled by default. Administrator can enable it in
+ * tomcat-server.xml after adding a proper keystore / SSL certificate from a
+ * trusted authority.<br>
+ * More info :
+ * http://tomcat.apache.org/tomcat-7.0-doc/ssl-howto.html#Configuration
+ *
+ */
+
+@Path("/networks")
+public class NeutronNetworksNorthbound {
+
+    private NeutronNetwork extractFields(NeutronNetwork o, List<String> fields) {
+        return o.extractFields(fields);
+    }
+
+    /**
+     * Returns a list of all Networks */
+
+    @GET
+    @Produces({ MediaType.APPLICATION_JSON })
+    //@TypeHint(OpenStackNetworks.class)
+    @StatusCodes({
+        @ResponseCode(code = 200, condition = "Operation successful"),
+        @ResponseCode(code = 401, condition = "Unauthorized") })
+    public Response listNetworks(
+            // return fields
+            @QueryParam("fields") List<String> fields,
+            // note: openstack isn't clear about filtering on lists, so we aren't handling them
+            @QueryParam("id") String queryID,
+            @QueryParam("name") String queryName,
+            @QueryParam("admin_state_up") String queryAdminStateUp,
+            @QueryParam("status") String queryStatus,
+            @QueryParam("shared") String queryShared,
+            @QueryParam("tenant_id") String queryTenantID,
+            @QueryParam("router_external") String queryRouterExternal,
+            @QueryParam("provider_network_type") String queryProviderNetworkType,
+            @QueryParam("provider_physical_network") String queryProviderPhysicalNetwork,
+            @QueryParam("provider_segmentation_id") String queryProviderSegmentationID,
+            // pagination
+            @QueryParam("limit") String limit,
+            @QueryParam("marker") String marker,
+            @QueryParam("page_reverse") String pageReverse
+            // sorting not supported
+            ) {
+        INeutronNetworkCRUD networkInterface = NeutronCRUDInterfaces.getINeutronNetworkCRUD( this);
+        if (networkInterface == null) {
+            throw new ServiceUnavailableException("Network CRUD Interface "
+                    + RestMessages.SERVICEUNAVAILABLE.toString());
+        }
+        List<NeutronNetwork> allNetworks = networkInterface.getAllNetworks();
+        List<NeutronNetwork> ans = new ArrayList<NeutronNetwork>();
+        Iterator<NeutronNetwork> i = allNetworks.iterator();
+        while (i.hasNext()) {
+            NeutronNetwork oSN = i.next();
+            //match filters: TODO provider extension
+            Boolean bAdminStateUp = null;
+            Boolean bShared = null;
+            Boolean bRouterExternal = null;
+            if (queryAdminStateUp != null) {
+                bAdminStateUp = Boolean.valueOf(queryAdminStateUp);
+            }
+            if (queryShared != null) {
+                bShared = Boolean.valueOf(queryShared);
+            }
+            if (queryRouterExternal != null) {
+                bRouterExternal = Boolean.valueOf(queryRouterExternal);
+            }
+            if ((queryID == null || queryID.equals(oSN.getID())) &&
+                    (queryName == null || queryName.equals(oSN.getNetworkName())) &&
+                    (bAdminStateUp == null || bAdminStateUp.booleanValue() == oSN.isAdminStateUp()) &&
+                    (queryStatus == null || queryStatus.equals(oSN.getStatus())) &&
+                    (bShared == null || bShared.booleanValue() == oSN.isShared()) &&
+                    (bRouterExternal == null || bRouterExternal.booleanValue() == oSN.isRouterExternal()) &&
+                    (queryTenantID == null || queryTenantID.equals(oSN.getTenantID()))) {
+                if (fields.size() > 0) {
+                    ans.add(extractFields(oSN,fields));
+                } else {
+                    ans.add(oSN);
+                }
+            }
+        }
+        //TODO: apply pagination to results
+        return Response.status(200).entity(
+                new NeutronNetworkRequest(ans)).build();
+    }
+
+    /**
+     * Returns a specific Network */
+
+    @Path("{netUUID}")
+    @GET
+    @Produces({ MediaType.APPLICATION_JSON })
+    //@TypeHint(OpenStackNetworks.class)
+    @StatusCodes({
+        @ResponseCode(code = 200, condition = "Operation successful"),
+        @ResponseCode(code = 401, condition = "Unauthorized"),
+        @ResponseCode(code = 404, condition = "Not Found") })
+    public Response showNetwork(
+            @PathParam("netUUID") String netUUID,
+            // return fields
+            @QueryParam("fields") List<String> fields
+            ) {
+        INeutronNetworkCRUD networkInterface = NeutronCRUDInterfaces.getINeutronNetworkCRUD( this);
+        if (networkInterface == null) {
+            throw new ServiceUnavailableException("Network CRUD Interface "
+                    + RestMessages.SERVICEUNAVAILABLE.toString());
+        }
+        if (!networkInterface.networkExists(netUUID)) {
+            throw new ResourceNotFoundException("network UUID does not exist.");
+        }
+        if (fields.size() > 0) {
+            NeutronNetwork ans = networkInterface.getNetwork(netUUID);
+            return Response.status(200).entity(
+                    new NeutronNetworkRequest(extractFields(ans, fields))).build();
+        } else {
+            return Response.status(200).entity(
+                    new NeutronNetworkRequest(networkInterface.getNetwork(netUUID))).build();
+        }
+    }
+
+    /**
+     * Creates new Networks */
+    @POST
+    @Produces({ MediaType.APPLICATION_JSON })
+    @Consumes({ MediaType.APPLICATION_JSON })
+    @TypeHint(NeutronNetwork.class)
+    @StatusCodes({
+        @ResponseCode(code = 201, condition = "Created"),
+        @ResponseCode(code = 400, condition = "Bad Request"),
+        @ResponseCode(code = 401, condition = "Unauthorized") })
+    public Response createNetworks(final NeutronNetworkRequest input) {
+        INeutronNetworkCRUD networkInterface = NeutronCRUDInterfaces.getINeutronNetworkCRUD( this);
+        if (networkInterface == null) {
+            throw new ServiceUnavailableException("Network CRUD Interface "
+                    + RestMessages.SERVICEUNAVAILABLE.toString());
+        }
+        if (input.isSingleton()) {
+            NeutronNetwork singleton = input.getSingleton();
+
+            /*
+             * network ID can't already exist
+             */
+            if (networkInterface.networkExists(singleton.getID())) {
+                throw new BadRequestException("network UUID already exists");
+            }
+
+            Object[] instances = ServiceHelper.getGlobalInstances(INeutronNetworkAware.class, this, null);
+            if (instances != null) {
+                for (Object instance : instances) {
+                    INeutronNetworkAware service = (INeutronNetworkAware) instance;
+                    int status = service.canCreateNetwork(singleton);
+                    if (status < 200 || status > 299) {
+                        return Response.status(status).build();
+                    }
+                }
+            }
+
+            // add network to cache
+            singleton.initDefaults();
+            networkInterface.addNetwork(singleton);
+            if (instances != null) {
+                for (Object instance : instances) {
+                    INeutronNetworkAware service = (INeutronNetworkAware) instance;
+                    service.neutronNetworkCreated(singleton);
+                }
+            }
+
+        } else {
+            List<NeutronNetwork> bulk = input.getBulk();
+            Iterator<NeutronNetwork> i = bulk.iterator();
+            HashMap<String, NeutronNetwork> testMap = new HashMap<String, NeutronNetwork>();
+            Object[] instances = ServiceHelper.getGlobalInstances(INeutronNetworkAware.class, this, null);
+            while (i.hasNext()) {
+                NeutronNetwork test = i.next();
+
+                /*
+                 * network ID can't already exist, nor can there be an entry for this UUID
+                 * already in this bulk request
+                 */
+                if (networkInterface.networkExists(test.getID())) {
+                    throw new BadRequestException("network UUID already exists");
+                }
+                if (testMap.containsKey(test.getID())) {
+                    throw new BadRequestException("network UUID already exists");
+                }
+                if (instances != null) {
+                    for (Object instance: instances) {
+                        INeutronNetworkAware service = (INeutronNetworkAware) instance;
+                        int status = service.canCreateNetwork(test);
+                        if (status < 200 || status > 299) {
+                            return Response.status(status).build();
+                        }
+                    }
+                }
+                testMap.put(test.getID(),test);
+            }
+
+            // now that everything passed, add items to the cache
+            i = bulk.iterator();
+            while (i.hasNext()) {
+                NeutronNetwork test = i.next();
+                test.initDefaults();
+                networkInterface.addNetwork(test);
+                if (instances != null) {
+                    for (Object instance: instances) {
+                        INeutronNetworkAware service = (INeutronNetworkAware) instance;
+                        service.neutronNetworkCreated(test);
+                    }
+                }
+            }
+        }
+        return Response.status(201).entity(input).build();
+    }
+
+    /**
+     * Updates a Network */
+    @Path("{netUUID}")
+    @PUT
+    @Produces({ MediaType.APPLICATION_JSON })
+    @Consumes({ MediaType.APPLICATION_JSON })
+    //@TypeHint(OpenStackNetworks.class)
+    @StatusCodes({
+        @ResponseCode(code = 200, condition = "Operation successful"),
+        @ResponseCode(code = 400, condition = "Bad Request"),
+        @ResponseCode(code = 403, condition = "Forbidden"),
+        @ResponseCode(code = 404, condition = "Not Found"), })
+    public Response updateNetwork(
+            @PathParam("netUUID") String netUUID, final NeutronNetworkRequest input
+            ) {
+        INeutronNetworkCRUD networkInterface = NeutronCRUDInterfaces.getINeutronNetworkCRUD( this);
+        if (networkInterface == null) {
+            throw new ServiceUnavailableException("Network CRUD Interface "
+                    + RestMessages.SERVICEUNAVAILABLE.toString());
+        }
+
+        /*
+         * network has to exist and only a single delta is supported
+         */
+        if (!networkInterface.networkExists(netUUID)) {
+            throw new ResourceNotFoundException("network UUID does not exist.");
+        }
+        if (!input.isSingleton()) {
+            throw new BadRequestException("only singleton edits supported");
+        }
+        NeutronNetwork delta = input.getSingleton();
+
+        /*
+         * transitions forbidden by Neutron
+         */
+        if (delta.getID() != null || delta.getTenantID() != null ||
+                delta.getStatus() != null) {
+            throw new BadRequestException("attribute edit blocked by Neutron");
+        }
+
+        Object[] instances = ServiceHelper.getGlobalInstances(INeutronNetworkAware.class, this, null);
+        if (instances != null) {
+            for (Object instance : instances) {
+                INeutronNetworkAware service = (INeutronNetworkAware) instance;
+                NeutronNetwork original = networkInterface.getNetwork(netUUID);
+                int status = service.canUpdateNetwork(delta, original);
+                if (status < 200 || status > 299) {
+                    return Response.status(status).build();
+                }
+            }
+        }
+
+        // update network object and return the modified object
+                networkInterface.updateNetwork(netUUID, delta);
+                NeutronNetwork updatedSingleton = networkInterface.getNetwork(netUUID);
+                if (instances != null) {
+                    for (Object instance : instances) {
+                        INeutronNetworkAware service = (INeutronNetworkAware) instance;
+                        service.neutronNetworkUpdated(updatedSingleton);
+                    }
+                }
+                return Response.status(200).entity(
+                        new NeutronNetworkRequest(networkInterface.getNetwork(netUUID))).build();
+    }
+
+    /**
+     * Deletes a Network */
+
+    @Path("{netUUID}")
+    @DELETE
+    @StatusCodes({
+        @ResponseCode(code = 204, condition = "No Content"),
+        @ResponseCode(code = 401, condition = "Unauthorized"),
+        @ResponseCode(code = 404, condition = "Not Found"),
+        @ResponseCode(code = 409, condition = "Network In Use") })
+    public Response deleteNetwork(
+            @PathParam("netUUID") String netUUID) {
+        INeutronNetworkCRUD networkInterface = NeutronCRUDInterfaces.getINeutronNetworkCRUD( this);
+        if (networkInterface == null) {
+            throw new ServiceUnavailableException("Network CRUD Interface "
+                    + RestMessages.SERVICEUNAVAILABLE.toString());
+        }
+
+        /*
+         * network has to exist and not be in use before it can be removed
+         */
+        if (!networkInterface.networkExists(netUUID)) {
+            throw new ResourceNotFoundException("network UUID does not exist.");
+        }
+        if (networkInterface.networkInUse(netUUID)) {
+            throw new ResourceConflictException("Network ID in use");
+        }
+
+        NeutronNetwork singleton = networkInterface.getNetwork(netUUID);
+        Object[] instances = ServiceHelper.getGlobalInstances(INeutronNetworkAware.class, this, null);
+        if (instances != null) {
+            for (Object instance : instances) {
+                INeutronNetworkAware service = (INeutronNetworkAware) instance;
+                int status = service.canDeleteNetwork(singleton);
+                if (status < 200 || status > 299) {
+                    return Response.status(status).build();
+                }
+            }
+        }
+        networkInterface.removeNetwork(netUUID);
+        if (instances != null) {
+            for (Object instance : instances) {
+                INeutronNetworkAware service = (INeutronNetworkAware) instance;
+                service.neutronNetworkDeleted(singleton);
+            }
+        }
+        return Response.status(204).build();
+    }
+}