Restapi-call-node: Support for Empty Container {} in JSON

Issue-ID: CCSDK-3718
Signed-off-by: Singal, Kapil (ks220y) <ks220y@att.com>
Change-Id: If3c030f3de78d21f1ab0bcdebc234b7697871314

2 files changed, 6 insertions, 5 deletions

diff --git a/plugins/restapi-call-node/provider/src/main/java/org/onap/ccsdk/sli/plugins/restapicall/RestapiCallNode.java b/plugins/restapi-call-node/provider/src/main/java/org/onap/ccsdk/sli/plugins/restapicall/RestapiCallNode.java
index 4236055dc..2064dc864 100755
--- a/plugins/restapi-call-node/provider/src/main/java/org/onap/ccsdk/sli/plugins/restapicall/RestapiCallNode.java
+++ b/plugins/restapi-call-node/provider/src/main/java/org/onap/ccsdk/sli/plugins/restapicall/RestapiCallNode.java
@@ -641,6 +641,8 @@ public class RestapiCallNode implements SvcLogicJavaPlugin {
 
         if (format == Format.JSON) {
             req = XmlJsonUtil.removeLastCommaJson(req);
+            // Use 'EMPTY_CONTAINER' as keyword within template to have an empty container placeholder.
+            req = req.replaceAll("EMPTY_CONTAINER", "{}");
         }
 
         long t2 = System.currentTimeMillis();
@@ -803,7 +805,7 @@ public class RestapiCallNode implements SvcLogicJavaPlugin {
                 URL proxyUrl = new URL(p.proxyUrl);
                 HttpUrlConnectorProvider cp = new HttpUrlConnectorProvider();
                 config.connectorProvider(cp);
-                final Proxy proxy = 
+                final Proxy proxy =
                     new Proxy(Proxy.Type.HTTP, new InetSocketAddress(proxyUrl.getHost(), proxyUrl.getPort()));
 
                 cp.connectionFactory(new ConnectionFactory() {
@@ -822,12 +824,12 @@ public class RestapiCallNode implements SvcLogicJavaPlugin {
             ssl = createSSLContext(p);
         }
 
-        ClientBuilder builder = 
+        ClientBuilder builder =
             ClientBuilder.newBuilder().hostnameVerifier(new AcceptIpAddressHostNameVerifier());
 
-        if (ssl != null) { 
+        if (ssl != null) {
             HttpsURLConnection.setDefaultSSLSocketFactory(ssl.getSocketFactory());
-            builder = builder.sslContext(ssl);  
+            builder = builder.sslContext(ssl);
         }
         if (config != null) {
             builder = builder.withConfig(config);
diff --git a/plugins/restapi-call-node/provider/src/main/java/org/onap/ccsdk/sli/plugins/restapicall/XmlJsonUtil.java b/plugins/restapi-call-node/provider/src/main/java/org/onap/ccsdk/sli/plugins/restapicall/XmlJsonUtil.java
index d6ef7463a..a4407c005 100644
--- a/plugins/restapi-call-node/provider/src/main/java/org/onap/ccsdk/sli/plugins/restapicall/XmlJsonUtil.java
+++ b/plugins/restapi-call-node/provider/src/main/java/org/onap/ccsdk/sli/plugins/restapicall/XmlJsonUtil.java
@@ -443,7 +443,6 @@ public final class XmlJsonUtil {
                             i5 = s.length();
                         }
 
-
                         /*If template mandates empty construct to be present, those should not be removed.*/
                         if (template != null && template.contains(s.substring(i4))) {
                             k = i1 + 1;