Generating DNS too.

1 files changed, 30 insertions, 0 deletions

diff --git a/src/main/java/io/trygvis/rules/engine/TemplateEngine.java b/src/main/java/io/trygvis/rules/engine/TemplateEngine.java
new file mode 100644
index 0000000..ace7aaf
--- /dev/null
+++ b/src/main/java/io/trygvis/rules/engine/TemplateEngine.java
@@ -0,0 +1,30 @@
+package io.trygvis.rules.engine;
+
+import ch.qos.logback.core.util.FileUtil;
+import com.hubspot.jinjava.Jinjava;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Map;
+
+public class TemplateEngine {
+    private final Jinjava jinjava = new Jinjava();
+
+    public void template(String name, String output, Map<String, Object> params) throws IOException {
+        var template = Files.readString(Path.of("j2", name + ".j2"));
+        String renderedTemplate = jinjava.render(template, params);
+//        System.out.println("-----------------------------------");
+//        for (var item : params.entrySet()) {
+//            System.out.printf(" %s : %s%n", item.getKey(), item.getValue());
+//        }
+        System.out.println("-----------------------------------");
+        System.out.println(renderedTemplate);
+        System.out.println("-----------------------------------");
+
+        var f = new File("gen", output);
+        FileUtil.createMissingParentDirectories(f);
+        Files.writeString(f.toPath(), renderedTemplate);
+    }
+}