From 236393ef5d391e98ab97ff868d0e6f719bcf98dd Mon Sep 17 00:00:00 2001
From: Mark Pollack <mpollack@vmware.com>
Date: Fri, 18 Aug 2023 01:23:15 -0400
Subject: [PATCH] PromptTemplates can create messages

---
 .../ai/prompt/SystemPromptTemplate.java            | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/spring-ai-core/src/main/java/org/springframework/ai/prompt/SystemPromptTemplate.java b/spring-ai-core/src/main/java/org/springframework/ai/prompt/SystemPromptTemplate.java
index bfc4f4e859..dd06afaf2c 100644
--- a/spring-ai-core/src/main/java/org/springframework/ai/prompt/SystemPromptTemplate.java
+++ b/spring-ai-core/src/main/java/org/springframework/ai/prompt/SystemPromptTemplate.java
@@ -16,9 +16,15 @@
 
 package org.springframework.ai.prompt;
 
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.Charset;
 import java.util.Map;
 
 import org.springframework.ai.prompt.messages.SystemMessage;
+import org.springframework.core.io.Resource;
+import org.springframework.util.StreamUtils;
+import org.stringtemplate.v4.ST;
 
 public class SystemPromptTemplate extends PromptTemplate {
 
@@ -26,6 +32,14 @@ public SystemPromptTemplate(String template) {
 		super(template);
 	}
 
+	public SystemPromptTemplate(Resource resource) {
+		super(resource);
+	}
+
+	public SystemMessage createMessage(Map<String, Object> model) {
+		return new SystemMessage(render(model));
+	}
+
 	@Override
 	public Prompt create() {
 		return new Prompt(new SystemMessage(render()));