[ONOS-2736] Fix bug of getting json from subnet.

Change-Id: I386f622fba74f0303a5ed9e6820ebc68a817021d
diff --git a/apps/vtnweb/src/main/java/org/onosproject/vtnweb/resources/SubnetWebResource.java b/apps/vtnweb/src/main/java/org/onosproject/vtnweb/resources/SubnetWebResource.java
index 1d4a5f4..7494f02 100644
--- a/apps/vtnweb/src/main/java/org/onosproject/vtnweb/resources/SubnetWebResource.java
+++ b/apps/vtnweb/src/main/java/org/onosproject/vtnweb/resources/SubnetWebResource.java
@@ -226,8 +226,8 @@
      */

     public Iterable<Subnet> changeJsonToSub(JsonNode subnetNodes) {

         checkNotNull(subnetNodes, JSON_NOT_NULL);

-        checkArgument(!subnetNodes.get("enable_dhcp").isBoolean(), "enable_dhcp should be boolean");

-        checkArgument(!subnetNodes.get("shared").isBoolean(), "shared should be boolean");

+        checkArgument(subnetNodes.get("enable_dhcp").isBoolean(), "enable_dhcp should be boolean");

+        checkArgument(subnetNodes.get("shared").isBoolean(), "shared should be boolean");

         Map<SubnetId, Subnet> subMap = new HashMap<SubnetId, Subnet>();

         if (!subnetNodes.hasNonNull("id")) {

             return null;

diff --git a/apps/vtnweb/src/main/java/org/onosproject/vtnweb/resources/TenantNetworkWebResource.java b/apps/vtnweb/src/main/java/org/onosproject/vtnweb/resources/TenantNetworkWebResource.java
index 65e9589..7a0d43d 100644
--- a/apps/vtnweb/src/main/java/org/onosproject/vtnweb/resources/TenantNetworkWebResource.java
+++ b/apps/vtnweb/src/main/java/org/onosproject/vtnweb/resources/TenantNetworkWebResource.java
@@ -269,9 +269,9 @@
         ConcurrentMap<TenantNetworkId, TenantNetwork> networksMap = Maps

                 .newConcurrentMap();

         if (node != null) {

-            checkArgument(!node.get("admin_state_up").isBoolean(), "admin_state_up should be boolean");

-            checkArgument(!node.get("shared").isBoolean(), "shared should be boolean");

-            checkArgument(!node.get("router:external").isBoolean(), "router:external should be boolean");

+            checkArgument(node.get("admin_state_up").isBoolean(), "admin_state_up should be boolean");

+            checkArgument(node.get("shared").isBoolean(), "shared should be boolean");

+            checkArgument(node.get("router:external").isBoolean(), "router:external should be boolean");

             String name = node.get("name").asText();

             boolean adminStateUp = node.get("admin_state_up").asBoolean();

             String state = node.get("status").asText();

diff --git a/apps/vtnweb/src/main/java/org/onosproject/vtnweb/resources/VirtualPortWebResource.java b/apps/vtnweb/src/main/java/org/onosproject/vtnweb/resources/VirtualPortWebResource.java
index 64266a5..28f0c42 100644
--- a/apps/vtnweb/src/main/java/org/onosproject/vtnweb/resources/VirtualPortWebResource.java
+++ b/apps/vtnweb/src/main/java/org/onosproject/vtnweb/resources/VirtualPortWebResource.java
@@ -15,6 +15,7 @@
  */

 package org.onosproject.vtnweb.resources;

 

+import static com.google.common.base.Preconditions.checkArgument;

 import static com.google.common.base.Preconditions.checkNotNull;

 import static javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR;

 import static javax.ws.rs.core.Response.Status.OK;

@@ -209,6 +210,7 @@
                     .asText());

             TenantNetworkId networkId = TenantNetworkId.networkId(vPortnode

                     .get("network_id").asText());

+            checkArgument(vPortnode.get("admin_state_up").isBoolean(), "admin_state_up should be boolean");

             Boolean adminStateUp = vPortnode.get("admin_state_up").asBoolean();

             String state = vPortnode.get("status").asText();

             MacAddress macAddress = MacAddress.valueOf(vPortnode