From 3a1531d3e274cf7f074f23882f4156c115b91cfa Mon Sep 17 00:00:00 2001
From: Thomas Ubensee <34603111+tomuben@users.noreply.github.com>
Date: Tue, 22 Oct 2024 09:51:43 -0300
Subject: [PATCH] #986: Added environment variable for new ScriptOptionsLine
 parser in UDF client (#463)

related to exasol/script-languages-release#986
---
 exaudfclient/base/javacontainer/javacontainer_builder.cc | 4 ++--
 exaudfclient/base/javacontainer/javacontainer_builder.h  | 2 +-
 exaudfclient/exaudfclient.cc                             | 9 ++++++++-
 3 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/exaudfclient/base/javacontainer/javacontainer_builder.cc b/exaudfclient/base/javacontainer/javacontainer_builder.cc
index ebbaab74..5eef3ef9 100644
--- a/exaudfclient/base/javacontainer/javacontainer_builder.cc
+++ b/exaudfclient/base/javacontainer/javacontainer_builder.cc
@@ -10,8 +10,8 @@ namespace SWIGVMContainers {
 JavaContainerBuilder::JavaContainerBuilder()
 : m_useCtpgParser(false) {}
 
-JavaContainerBuilder& JavaContainerBuilder::useCtpgParser(const bool useCtpgParser) {
-    m_useCtpgParser = useCtpgParser;
+JavaContainerBuilder& JavaContainerBuilder::useCtpgParser() {
+    m_useCtpgParser = true;
     return *this;
 }
 
diff --git a/exaudfclient/base/javacontainer/javacontainer_builder.h b/exaudfclient/base/javacontainer/javacontainer_builder.h
index 5893b6d2..2e427671 100644
--- a/exaudfclient/base/javacontainer/javacontainer_builder.h
+++ b/exaudfclient/base/javacontainer/javacontainer_builder.h
@@ -18,7 +18,7 @@ class JavaContainerBuilder {
     public:
         JavaContainerBuilder();
 
-        JavaContainerBuilder& useCtpgParser(const bool value);
+        JavaContainerBuilder& useCtpgParser();
 
         JavaVMach* build();
 
diff --git a/exaudfclient/exaudfclient.cc b/exaudfclient/exaudfclient.cc
index 40756f18..e2f06442 100644
--- a/exaudfclient/exaudfclient.cc
+++ b/exaudfclient/exaudfclient.cc
@@ -129,6 +129,9 @@ int main(int argc, char **argv) {
         cerr << "Usage: " << argv[0] << " <socket> lang=python|lang=r|lang=java|lang=streaming|lang=benchmark" << endl;
         return 1;
     }
+    const char* script_options_parser_env_val = ::getenv("SCRIPT_OPTIONS_PARSER_VERSION");
+    const bool useCtpgScriptOptionsParser = script_options_parser_env_val != nullptr &&
+                                            ::strcmp(script_options_parser_env_val, "2") == 0;
 #endif
 
     if (::setenv("HOME", "/tmp", 1) == -1)
@@ -160,7 +163,11 @@ int main(int argc, char **argv) {
     } else if (strcmp(argv[2], "lang=java")==0)
     {
 #ifdef ENABLE_JAVA_VM
-        vmMaker = [&](){return SWIGVMContainers::JavaContainerBuilder().build();};
+        if (useCtpgScriptOptionsParser) {
+                vmMaker = [&](){return SWIGVMContainers::JavaContainerBuilder().useCtpgParser().build();};
+        } else {
+            vmMaker = [&](){return SWIGVMContainers::JavaContainerBuilder().build();};
+        }
 #else
         throw SWIGVM::exception("this exaudfclient has been compilied without Java support");
 #endif