Add support for TOSCA JSON Parsing

Added a getter to allow the Gson object to be retrieved from a GSON
message body handler, useful for testing.

Moved the TextFileUtils utility class from APEX utilites to policy common
utils

Issue-ID: POLICY-1195
Change-Id: I7c8074e8177a90b292c6dfd6e7f0d352063818e7
Signed-off-by: liamfallon <liam.fallon@est.tech>

2 files changed, 11 insertions, 1 deletions

diff --git a/gson/pom.xml b/gson/pom.xml
index d02ede1f..7d7797a2 100644
--- a/gson/pom.xml
+++ b/gson/pom.xml
@@ -47,6 +47,11 @@
             <artifactId>gson</artifactId>
         </dependency>
         <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
             <scope>test</scope>
diff --git a/gson/src/main/java/org/onap/policy/common/gson/GsonMessageBodyHandler.java b/gson/src/main/java/org/onap/policy/common/gson/GsonMessageBodyHandler.java
index fc8e23ef..9dad6db8 100644
--- a/gson/src/main/java/org/onap/policy/common/gson/GsonMessageBodyHandler.java
+++ b/gson/src/main/java/org/onap/policy/common/gson/GsonMessageBodyHandler.java
@@ -21,6 +21,7 @@
 package org.onap.policy.common.gson;
 
 import com.google.gson.Gson;
+
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -36,6 +37,9 @@ import javax.ws.rs.core.MultivaluedMap;
 import javax.ws.rs.ext.MessageBodyReader;
 import javax.ws.rs.ext.MessageBodyWriter;
 import javax.ws.rs.ext.Provider;
+
+import lombok.Getter;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -52,7 +56,8 @@ public class GsonMessageBodyHandler implements MessageBodyReader<Object>, Messag
     /**
      * Object to be used to serialize and de-serialize.
      */
-    private Gson gson;
+    @Getter
+    private final Gson gson;
 
     /**
      * Constructs the object, using a plain Gson object.