Add ScriptEngineManager::isPreCompilationSupported

Signed-off-by: Florian Hotze <[email protected]>

Author: florian-h05

bundles/org.openhab.core.automation.module.script/src/main/java/org/openhab/core/automation/module/script/ScriptEngineFactory.java

@@ -58,6 +58,15 @@ public interface ScriptEngineFactory {
      */
     List<String> getScriptTypes();
 
+    /**
+     * This method returns whether the ScriptEngine supports pre-compilation of scripts.
+     *
+     * @return true if pre-compilation is supported, else false
+     */
+    default boolean supportsPreCompilation() {
+        return false;
+    }
+
     /**
      * This method "scopes" new values into the given ScriptEngine.
      *

bundles/org.openhab.core.automation.module.script/src/main/java/org/openhab/core/automation/module/script/ScriptEngineManager.java

@@ -61,6 +61,14 @@ public interface ScriptEngineManager {
      */
     boolean isSupported(String scriptType);
 
+    /**
+     * Checks if the supplied file extension or MimeType supports pre-compilation.
+     *
+     * @param scriptType a file extension (script) or MimeType (ScriptAction or ScriptCondition)
+     * @return true, if pre-compilation supported, else false
+     */
+    boolean isPreCompilationSupported(String scriptType);
+
     /**
      * Add a listener that is notified when a ScriptEngineFactory is added or removed
      *

bundles/org.openhab.core.automation.module.script/src/main/java/org/openhab/core/automation/module/script/internal/ScriptEngineManagerImpl.java

@@ -251,6 +251,15 @@ public boolean isSupported(String scriptType) {
         return findEngineFactory(scriptType) != null;
     }
 
+    @Override
+    public boolean isPreCompilationSupported(String scriptType) {
+        ScriptEngineFactory engineFactory = findEngineFactory(scriptType);
+        if (engineFactory != null) {
+            return engineFactory.supportsPreCompilation();
+        }
+        return false;
+    }
+
     private void addAttributeToScriptContext(ScriptEngine engine, String name, Object value) {
         ScriptContext scriptContext = engine.getContext();