Add input doc log (#62)

- Changed req body data log from info to debug
- Added prettyprint to log

Co-authored-by: Angel Martinez <angel_2.martinez@boehringer-ingelheim.com>
(cherry picked from commit 25f498c)

Author: angelmp01

src/main/groovy/app/App.groovy

@@ -1,14 +1,16 @@
 package app
 
 import com.typesafe.config.ConfigFactory
-import groovy.json.JsonSlurper
 import groovy.util.logging.Slf4j
+import org.apache.groovy.json.internal.LazyMap
 import org.jooby.Jooby
 import org.jooby.MediaType
 import org.jooby.json.Jackson
 
 import java.nio.file.Files
 
+import static groovy.json.JsonOutput.prettyPrint
+import static groovy.json.JsonOutput.toJson
 import static org.jooby.JoobyExtension.get
 import static org.jooby.JoobyExtension.post
 
@@ -20,15 +22,16 @@ class App extends Jooby {
         use(new DocGen())
 
         post(this, "/document", { req, rsp ->
-            def body = new JsonSlurper().parseText(req.body().value())
 
-            if (log.isInfoEnabled()) {
-                log.info("Input request body before send it to convert it to a pdf: ");
-                log.info(body.toString());
-            }
+            def body = req.body().to(LazyMap.class)
 
             validateRequestParams(body)
 
+            if (log.isDebugEnabled()) {
+                log.debug("Input request body data before send it to convert it to a pdf: ")
+                log.debug(prettyPrint(toJson(body.data)))
+            }
+
             def pdf = new DocGen().generate(body.metadata.type, body.metadata.version, body.data)
             rsp.send([
                 data: pdf.encodeBase64().toString()