adding NanoTDF support

README.md

@@ -13,37 +13,55 @@ Components:
   * [OpenTDFControllerService](./nifi-tdf-controller-services-api/src/main/java/io/opentdf/nifi/OpenTDFControllerService.java): A NiFi controller service providing OpenTDF Platform Configuration
 
 
-#### FlowChart: Generic Plaintext to ZTDF Nifi Flow
+#### FlowChart: Generic ZTDF Nifi Flows
 
 ```mermaid
 ---
-title: Generic Plaintext to ZTDF NiFi Flow
+title: Generic ZTDF NiFi Flows
 ---
 flowchart TD
-   a[FlowFile: \nPlaintext content]
+   a[Nifi Processor]
    b["`**UpdateAttribute**`" Add data policy attributes to FlowFile]
    c["`**ConvertToZTDF**`"]
    d["Process ZTDF"]
    e["Handle Error"]
-   a -- success --> b
-   b -- success --> c
+   f[Nifi Processor]
+   g["`**ConvertFromZTDF**`"]
+   h[Process Plaintext]
+   i[Handle Error]
+   a -- success (content = PlainText) --> b
+   b -- success (content = PlainText) --> c
    c -- success (content = ZTDF) --> d
    c -- failure --> e
+   f -- success (content = ZTDF) --> g
+   g -- success (content = PlainText) --> h
+   g -- failure --> i
 ```
 
-#### FlowChart: Generic ZTDF to Plaintext Nifi Flow
+#### FlowChart: Generic NanoTDF NiFi Flows
 ```mermaid
 ---
-title: Generic ZTDF to Plaintext Nifi Flow
+title: Generic NanoTDF NiFi Flows
 ---
 flowchart TD
-   a[FlowFile: \nZTDF content]
-   b["`**ConvertFromZTDF**`"]
-   c["Process ZTDF"]
-   d["Handle Error"]
-   a -- success --> b
-   b -- success (content = plaintext) --> c
-   b -- failure --> d
+    a[Nifi Processor]
+    b["`**UpdateAttribute**`" Add data policy attributes to FlowFile]
+    c["`**ConvertToNanoTDF**`"]
+    d["Process NanoTDF"]
+    e["Handle Error"]
+    e2["Handle Max Size Error"]
+    f[Nifi Processor]
+    g["`**ConvertFromZTDF**`"]
+    h[Process Plaintext]
+    i[Handle Error]
+    a -- success (content = Plaintext) --> b
+    b -- success (content = Plaintext)--> c
+    c -- success (content = NanoTDF) --> d
+    c -- failure --> e
+    c -- exceeds_size_limit --> e2
+    f -- success (content = NanoTDF) --> g
+    g -- success (content = Plaintext) --> h
+    g -- failure --> i
 ```
 
 # Quick Start - Docker Compose