Simplify code using Java 8 features

[netconf.git] / restconf / sal-rest-docgen / src / main / java / org / opendaylight / netconf / sal / rest / doc / util / RestDocgenUtil.java

diff --git a/restconf/sal-rest-docgen/src/main/java/org/opendaylight/netconf/sal/rest/doc/util/RestDocgenUtil.java b/restconf/sal-rest-docgen/src/main/java/org/opendaylight/netconf/sal/rest/doc/util/RestDocgenUtil.java
index 1fa3a01dc3922a7f478c54756580d5b0222b26e7..ee96a376db8f750a6e930d3c57bd843aba4328ee 100644 (file)
--- a/restconf/sal-rest-docgen/src/main/java/org/opendaylight/netconf/sal/rest/doc/util/RestDocgenUtil.java
+++ b/restconf/sal-rest-docgen/src/main/java/org/opendaylight/netconf/sal/rest/doc/util/RestDocgenUtil.java
@@ -55,16 +55,10 @@ public final class RestDocgenUtil {
         final URI namespace = node.getQName().getNamespace();
         final Optional<Revision> revision = node.getQName().getRevision();
 
-        Map<Optional<Revision>, Module> revisionToModule = NAMESPACE_AND_REVISION_TO_MODULE.get(namespace);
-        if (revisionToModule == null) {
-            revisionToModule = new HashMap<>();
-            NAMESPACE_AND_REVISION_TO_MODULE.put(namespace, revisionToModule);
-        }
-        Module module = revisionToModule.get(revision);
-        if (module == null) {
-            module = schemaContext.findModule(namespace, revision).orElse(null);
-            revisionToModule.put(revision, module);
-        }
+        Map<Optional<Revision>, Module> revisionToModule =
+            NAMESPACE_AND_REVISION_TO_MODULE.computeIfAbsent(namespace, k -> new HashMap<>());
+        Module module =
+            revisionToModule.computeIfAbsent(revision, k -> schemaContext.findModule(namespace, k).orElse(null));
         if (module != null) {
             return module.getName() + ":" + node.getQName().getLocalName();
         }