1 files changed, 87 insertions, 0 deletions
diff --git a/aai-traversal/src/main/java/org/openecomp/aai/transforms/MapTraverser.java b/aai-traversal/src/main/java/org/openecomp/aai/transforms/MapTraverser.java
new file mode 100644
index 0000000..7695240
--- /dev/null
+++ b/aai-traversal/src/main/java/org/openecomp/aai/transforms/MapTraverser.java
@@ -0,0 +1,87 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.openecomp.aai
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.aai.transforms;
+
+
+import joptsimple.internal.Objects;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class MapTraverser {
+
+    private Converter converter;
+
+    public MapTraverser(Converter converter){
+        this.converter = converter;
+    }
+
+    public Map<String, Object> convertKeys(Map<String, Object> map){
+
+        Objects.ensureNotNull(map);
+
+        Map<String, Object> modifiedMap = new HashMap<String, Object>();
+        convertKeys(map, modifiedMap);
+
+        return modifiedMap;
+    }
+
+    private Map<String, Object> convertKeys(Map<String, Object> original, Map<String, Object> modified){
+
+        for(Map.Entry<String, Object> entry : original.entrySet()){
+            String key = entry.getKey();
+            key = converter.convert(key);
+            Object value = entry.getValue();
+            if(value instanceof Map){
+                modified.put(key, convertKeys((Map<String, Object>)value, new HashMap<String, Object>()));
+            } else if(value instanceof List){
+                modified.put(key, convertKeys((List<Object>) value));
+            } else {
+                modified.put(key, value);
+            }
+        }
+
+        return modified;
+    }
+
+    public List<Object> convertKeys(List<Object> list){
+
+        List<Object> modifiedList = new ArrayList<Object>();
+        if(list != null && list.size() > 0){
+
+            for(Object o : list){
+                if(o instanceof Map){
+                    Map<String, Object> map = (Map<String, Object>) o;
+                    modifiedList.add(convertKeys(map));
+                } else if(o instanceof List){
+                    List<Object> l = (List<Object>) o;
+                    modifiedList.add(convertKeys(l));
+                } else {
+                    modifiedList.add(o);
+                }
+            }
+        }
+
+        return modifiedList;
+    }
+}