make auth backward compatible for on-prem use cases

Author: JW Wesson

README.md

@@ -13,7 +13,7 @@ The official Java SDK for the Textkernel Tx v10 API for resume/CV and job parsin
 ### Gradle Users
 Add this dependency to your project's build file:
 ```
-implementation "com.textkernel:tx-java:2.3.1"
+implementation "com.textkernel:tx-java:2.3.2"
 ```
 
 ### Maven Users
@@ -22,13 +22,13 @@ Add this dependency to your project's POM:
 <dependency>
   <groupId>com.textkernel</groupId>
   <artifactId>tx-java</artifactId>
-  <version>2.3.1</version>
+  <version>2.3.2</version>
 </dependency>
 ```
 
 ### Others
 You'll need to manually install the following JARs:
-- The Textkernel Tx JAR from https://repo1.maven.org/maven2/com/textkernel/tx-java/2.3.1/tx-java-2.3.1.jar
+- The Textkernel Tx JAR from https://repo1.maven.org/maven2/com/textkernel/tx-java/2.3.2/tx-java-2.3.2.jar
 - [Google Gson][gson_url] from https://repo1.maven.org/maven2/com/google/code/gson/gson/2.9.0/gson-2.9.0.jar
 - [Square OkHttp][okhttp_url] from https://repo1.maven.org/maven2/com/squareup/okhttp3/okhttp/4.9.3/okhttp-4.9.3.jar
 

pom.xml

@@ -4,7 +4,7 @@
     <groupId>com.textkernel</groupId>
     <artifactId>tx-java</artifactId>
 
-    <version>2.3.1</version>
+    <version>2.3.2</version>
 
     <packaging>jar</packaging>
     <name>Textkernel Tx Java SDK</name>

src/main/java/com/textkernel/tx/TxClient.java

@@ -168,6 +168,12 @@ public Response intercept(Interceptor.Chain chain) throws IOException {
                     builder.header("Tx-ServiceKey", serviceKey);
                     builder.header("User-Agent", "tx-java-" + _sdkVersion);
 
+                    if (!dataCenter.IsSaaS) {
+                        //for backward compatibility in on-prem use cases
+                        builder.header("Sovren-AccountId", accountId);
+                        builder.header("Sovren-ServiceKey", serviceKey);
+                    }
+
                     if (trackingTagsHeaderValue != null && !trackingTagsHeaderValue.isEmpty()){
                         builder.header("Tx-TrackingTag", trackingTagsHeaderValue);
                     }