1 files changed, 28 insertions, 0 deletions
diff --git a/common/src/main/java/org/onap/so/client/AddCacheHeaders.java b/common/src/main/java/org/onap/so/client/AddCacheHeaders.java
new file mode 100644
index 0000000000..1a41be1233
--- /dev/null
+++ b/common/src/main/java/org/onap/so/client/AddCacheHeaders.java
@@ -0,0 +1,28 @@
+package org.onap.so.client;
+
+import java.io.IOException;
+import java.util.Collections;
+import javax.annotation.Priority;
+import javax.ws.rs.client.ClientRequestContext;
+import javax.ws.rs.client.ClientResponseContext;
+import javax.ws.rs.client.ClientResponseFilter;
+import javax.ws.rs.ext.Provider;
+
+@Provider
+@Priority(1)
+public class AddCacheHeaders implements ClientResponseFilter {
+
+    private final CacheProperties props;
+
+    public AddCacheHeaders(CacheProperties props) {
+        this.props = props;
+    }
+
+    public void filter(ClientRequestContext request, ClientResponseContext response) throws IOException {
+        if (request.getMethod().equalsIgnoreCase("GET")) {
+            response.getHeaders().putIfAbsent("Cache-Control",
+                    Collections.singletonList("public, max-age=" + (props.getMaxAge() / 1000)));
+        }
+
+    }
+}