JAVA-18148 Create a new java-nashorn project from the existing langua… (#14268)

* JAVA-18148 Create a new java-nashorn project from the existing language-interop

* JAVA-18148 Cleanup the project to contain just the python related language interop

---------

Co-authored-by: timis1 <[email protected]>

java-nashorn/src/main/java/com/baeldung/language/interop/python/ScriptEngineManagerUtils.java

@@ -0,0 +1,34 @@
+package com.baeldung.language.interop.python;
+
+import java.util.List;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.script.ScriptEngineFactory;
+import javax.script.ScriptEngineManager;
+
+public class ScriptEngineManagerUtils {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(ScriptEngineManagerUtils.class);
+
+    private ScriptEngineManagerUtils() {
+    }
+
+    public static void listEngines() {
+        ScriptEngineManager manager = new ScriptEngineManager();
+        List<ScriptEngineFactory> engines = manager.getEngineFactories();
+
+        for (ScriptEngineFactory engine : engines) {
+            LOGGER.info("Engine name: {}", engine.getEngineName());
+            LOGGER.info("Version: {}", engine.getEngineVersion());
+            LOGGER.info("Language: {}", engine.getLanguageName());
+
+            LOGGER.info("Short Names:");
+            for (String names : engine.getNames()) {
+                LOGGER.info(names);
+            }
+        }
+    }
+
+}

java-nashorn/src/main/resources/js/bind.js

@@ -0,0 +1,15 @@
+var first = {
+    name: "Whiskey",
+    age: 5
+};
+
+var second = {
+    volume: 100
+};
+
+Object.bindProperties(first, second);
+
+print(first.volume);
+
+second.volume = 1000;
+print(first.volume);

java-nashorn/src/main/resources/js/locations.js

@@ -0,0 +1 @@
+print(__FILE__, __LINE__, __DIR__);

java-nashorn/src/main/resources/js/math_module.js

@@ -0,0 +1,19 @@
+var math = {
+    increment: function (num) {
+        return ++num;
+    },
+
+    failFunc: function () {
+        try {
+            throw "BOOM";
+        } catch (e if typeof e === 'string') {
+            print("String thrown: " + e);
+        }
+        catch (e) {
+            print("this shouldn't happen!");
+        }
+    }
+};
+
+
+math;

java-nashorn/src/main/resources/js/no_such.js

@@ -0,0 +1,11 @@
+var demo = {
+    __noSuchProperty__: function (propName) {
+        print("Accessed non-existing property: " + propName);
+    },
+
+    __noSuchMethod__: function (methodName) {
+        print("Invoked non-existing method: " + methodName);
+    }
+};
+
+demo;

java-nashorn/src/main/resources/js/script.js

@@ -0,0 +1 @@
+function increment(num) ++num;

java-nashorn/src/main/resources/js/trim.js

@@ -0,0 +1,2 @@
+print("   hello world".trimLeft());
+print("hello world     ".trimRight());

java-nashorn/src/main/resources/js/typed_arrays.js

@@ -0,0 +1,9 @@
+function arrays(arr) {
+
+    var javaIntArray = Java.to(arr, "int[]");
+    print(javaIntArray[0]);
+    print(javaIntArray[1]);
+    print(javaIntArray[2]);
+}
+
+arrays([100, "1654", true]);

java-nashorn/src/main/resources/logback.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>