CompileTest.java Source code

Introduction

Here is the source code for CompileTest.java

Source

import javax.script.Compilable;
import javax.script.CompiledScript;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;

public class CompileTest {
    public static void main(String args[]) {
        ScriptEngineManager manager = new ScriptEngineManager();
        ScriptEngine engine = manager.getEngineByName("javascript");
        engine.put("counter", 0);
        if (engine instanceof Compilable) {
            Compilable compEngine = (Compilable) engine;
            try {
                CompiledScript script = compEngine
                        .compile("function count(){counter=counter+1;return counter;}; count();");
                System.out.println(script.eval());
                System.out.println(script.eval());
                System.out.println(script.eval());
            } catch (ScriptException e) {
                System.err.println(e);
            }
        } else {
            System.err.println("Engine can't compile code");
        }
    }
}
/**/