Seed code for other adapters

Issue-ID: OPTFRA-47
Change-Id: I33595df23f077b2a9366c45b69afecdf80beaaf8
Signed-off-by: Sastry Isukapalli <sastry@research.att.com>

2 files changed, 33 insertions, 0 deletions

diff --git a/adapters/request_parsing/__init__.py b/adapters/request_parsing/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/adapters/request_parsing/__init__.py
diff --git a/adapters/request_parsing/placement.py b/adapters/request_parsing/placement.py
new file mode 100644
index 0000000..d7a6575
--- /dev/null
+++ b/adapters/request_parsing/placement.py
@@ -0,0 +1,33 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2015-2017 AT&T Intellectual Property
+#
+#   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.
+#
+# -------------------------------------------------------------------------
+#
+
+import copy
+import json
+from osdf.utils.programming_utils import list_flatten, dot_notation
+
+
+def json_path_after_expansion(req_json, reference):
+    """
+    Get the child node(s) from the dot-notation [reference] and parent [req_json].
+    For placement and other requests, there are encoded JSONs inside the request or policy,
+    so we need to expand it and then do a search over the parent plus expanded JSON.
+    """
+    req_json_copy = copy.deepcopy(req_json)  # since we expand the JSON in place, we work on a copy
+    req_json_copy['placementInfo']['orderInfo'] = json.loads(req_json_copy['placementInfo']['orderInfo'])
+    info = dot_notation(req_json_copy, reference)
+    return list_flatten(info) if isinstance(info, list) else info