Example usage for javax.script ScriptEngineManager getBindings

Introduction

In this page you can find the example usage for javax.script ScriptEngineManager getBindings.

Prototype

public Bindings getBindings() 

Source Link

Document

getBindings returns the value of the globalScope field.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    ScriptEngineManager manager = new ScriptEngineManager();
    manager.put("global", "global bindings");

    dumpBindings(manager.getBindings());
    ScriptEngine engine = manager.getEngineByExtension("js");
    engine.put("engine", "engine bindings");

    dumpBindings(engine.getBindings(ScriptContext.GLOBAL_SCOPE));

    dumpBindings(engine.getBindings(ScriptContext.ENGINE_SCOPE));

    Bindings bindings = engine.createBindings();
    bindings.put("engine", "overridden engine bindings");
    bindings.put("bindings", bindings);
    engine.eval("app.dumpBindings (bindings);", bindings);

    ScriptEngine engine2 = manager.getEngineByExtension("js");
    engine2.put("engine2", "engine2 bindings");

    dumpBindings(engine2.getBindings(ScriptContext.GLOBAL_SCOPE));
    dumpBindings(engine2.getBindings(ScriptContext.ENGINE_SCOPE));
    dumpBindings(engine.getBindings(ScriptContext.ENGINE_SCOPE));
}

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From source file:GetToKnowBindingsAndScopes.java

public static void main(String[] args) {
    ScriptEngineManager manager = new ScriptEngineManager();
    manager.put("global", "global bindings");

    dumpBindings(manager.getBindings());
    ScriptEngine engine = manager.getEngineByExtension("js");
    engine.put("engine", "engine bindings");

    dumpBindings(engine.getBindings(ScriptContext.GLOBAL_SCOPE));

    dumpBindings(engine.getBindings(ScriptContext.ENGINE_SCOPE));

    try {//w  w w.  j a v a 2  s  .c o m
        Bindings bindings = engine.createBindings();
        bindings.put("engine", "overridden engine bindings");
        bindings.put("app", new GetToKnowBindingsAndScopes());
        bindings.put("bindings", bindings);
        engine.eval("app.dumpBindings (bindings);", bindings);
    } catch (ScriptException se) {
        System.err.println(se.getMessage());
    }

    ScriptEngine engine2 = manager.getEngineByExtension("js");
    engine2.put("engine2", "engine2 bindings");

    dumpBindings(engine2.getBindings(ScriptContext.GLOBAL_SCOPE));
    dumpBindings(engine2.getBindings(ScriptContext.ENGINE_SCOPE));
    dumpBindings(engine.getBindings(ScriptContext.ENGINE_SCOPE));
}

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From source file:Main.java

public static void main(String[] args) throws ScriptException {
    ScriptEngineManager manager = new ScriptEngineManager();
    ScriptEngine engine = manager.getEngineByName("JavaScript");

    ScriptContext defaultCtx = engine.getContext();
    // Work with defaultCtx here

    // Create a new context
    ScriptContext ctx = new SimpleScriptContext();

    // Configure ctx here

    // Set ctx as the new default context for the engine
    engine.setContext(ctx);//w w  w.j a  v a 2 s  .  c o m

    ctx.setBindings(manager.getBindings(), ScriptContext.GLOBAL_SCOPE);

    engine.setContext(ctx);
}

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