Added ETSI Delete VNF BB

Change-Id: Ie82734f25468b75d9b4ab3096639a9afdf6fe2c1
Issue-ID: SO-1632
Signed-off-by: Lathish <lathishbabu.ganesan@est.tech>

2 files changed, 21 insertions, 0 deletions

diff --git a/common/src/main/java/org/onap/so/rest/service/HttpRestServiceProvider.java b/common/src/main/java/org/onap/so/rest/service/HttpRestServiceProvider.java
index 43b2fb4292..282c87a736 100644
--- a/common/src/main/java/org/onap/so/rest/service/HttpRestServiceProvider.java
+++ b/common/src/main/java/org/onap/so/rest/service/HttpRestServiceProvider.java
@@ -68,5 +68,14 @@ public interface HttpRestServiceProvider {
      */
     public <T> ResponseEntity<T> postHttpRequest(final Object object, final String url, final Class<T> clazz);
 
+  /**
+   * Execute the HTTP DELETE to the given URI template
+   *
+   * @param url the URL
+   * @param clazz the type of the return value
+   * @return Returns the {@link ResponseEntity}.
+   */
+  public <T> ResponseEntity<T> deleteHttpRequest(final String url, final Class<T> clazz);
+
 
 }
diff --git a/common/src/main/java/org/onap/so/rest/service/HttpRestServiceProviderImpl.java b/common/src/main/java/org/onap/so/rest/service/HttpRestServiceProviderImpl.java
index 032df84a98..164d48bc5e 100644
--- a/common/src/main/java/org/onap/so/rest/service/HttpRestServiceProviderImpl.java
+++ b/common/src/main/java/org/onap/so/rest/service/HttpRestServiceProviderImpl.java
@@ -138,6 +138,18 @@ public class HttpRestServiceProviderImpl implements HttpRestServiceProvider {
         }
     }
 
+  @Override
+  public <T> ResponseEntity<T> deleteHttpRequest(final String url, final Class<T> clazz) {
+    try {
+      final HttpEntity<?> request = new HttpEntity<>(getHttpHeaders());
+      return restTemplate.exchange(url, HttpMethod.DELETE, request, clazz);
+
+    } catch (final RestClientException restClientException) {
+      LOGGER.error("Unable to invoke HTTP DELETE using url: " + url, restClientException);
+      throw new InvalidRestRequestException("Unable to invoke HTTP DELETE using URL: " + url, restClientException);
+    }
+  }
+
     private HttpHeaders getHttpHeaders() {
         return httpHeadersProvider.getHttpHeaders();
     }