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JavaScriptEngineList.java - Load SJP Reference Implementation
How to load the the SJP Reference Implementation Script Engine?
✍: FYIcenter
To load the SJP Reference Implementation Script Engine,
you just need to add "sjp-1_0-fr-ri\script-js.jar" to the "-cp" JVM option.
Take the following example program, JavaScriptEngineList.java, to verify how many script engines are loaded:
// Copyright (c) 2017 FYIcenter.com import javax.script.ScriptEngineManager; import javax.script.ScriptEngine; import javax.script.ScriptEngineFactory; import java.util.*; public class JavaScriptEngineList { public static void main(String[] args) throws Exception { ScriptEngineManager m = new ScriptEngineManager(); List<ScriptEngineFactory> l = m.getEngineFactories(); System.out.println("\nScript Engines:"); for (ScriptEngineFactory f : l) { System.out.println("\n Engine info:"); System.out.println(" Engine name: "+f.getEngineName()); System.out.println(" Engine version: "+f.getEngineVersion()); System.out.println(" Language name: "+f.getLanguageName()); System.out.println(" Language version: "+f.getLanguageVersion()); System.out.println(" Factory class: "+f.getClass().getName()); } } }
Compile and run the example program, JavaScriptEngineList.java:
>\fyicenter\jdk-1.8.0\bin\javac JavaScriptEngineList.java >\fyicenter\jdk-1.8.0\bin\java -cp .;\fyicenter\sjp-1_0-fr-ri\script-js.jar JavaScriptEngineList Script Engines: Engine info: Engine name: Oracle Nashorn Engine version: 1.8.0_131 Language name: ECMAScript Language version: ECMA - 262 Edition 5.1 Factory class: jdk.nashorn.api.scripting.NashornScriptEngineFactory Engine info: Engine name: Mozilla Rhino Engine version: 1.6 release 2 Language name: ECMAScript Language version: 1.6 Factory class: com.sun.script.javascript.RhinoScriptEngineFactory
The output tells you the reference implementation of SJP API is really the Rhino 1.6R2 JavaScript Java library.
⇒ JavaScriptRhinoEngine.java - Select SJP RI Engine: Rhino
⇐ What Is js.jar in SJP RI sjp-1_0-fr-ri.zip
2017-07-21, 1763🔥, 0💬
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