Package javax.script

Examples of javax.script.ScriptContext

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    @Override
    public Object eval(Bindings bindings) throws ScriptException {
        if (bindings == null) {
            throw new NullPointerException("bindings is null");
        }
        ScriptContext context = engine.getScriptContext(bindings);
        return eval(context);
    }
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        }
        if (engine == null) {
            throw new IllegalArgumentException("No script engine could be created for: " + getScriptEngineName());
        }
        if (isPython()) {
            ScriptContext context = engine.getContext();
            context.setAttribute("com.sun.script.jython.comp.mode", "eval", ScriptContext.ENGINE_SCOPE);
        }
        return engine;
    }
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        }
        return result;
    }

    protected void populateBindings(ScriptEngine engine, Exchange exchange) {
        ScriptContext context = engine.getContext();
        int scope = ScriptContext.ENGINE_SCOPE;
        context.setAttribute("context", exchange.getContext(), scope);
        context.setAttribute("exchange", exchange, scope);
        context.setAttribute("request", exchange.getIn(), scope);
        if (exchange.hasOut()) {
            context.setAttribute("response", exchange.getOut(), scope);
        }
    }
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                List<Element> headElementList = source.getAllElements(HTMLElementName.HEAD);
                for (Element element : headElementList) {
                    final EndTag headEndTag = element.getEndTag();
                    String extension = StringUtils.substringAfterLast(template, ".");
                    ScriptEngine scriptEngine = scriptEngineUtils.scriptEngine(extension);
                    ScriptContext scriptContext = new GoogleScriptContext();
                    final Bindings bindings = scriptEngine.createBindings();
                    bindings.put("webPropertyID", webPropertyID);
                    String url = resource.getNode().getUrl();
                    if (renderContext.getRequest().getAttribute("analytics-path") != null) {
                        url = (String) renderContext.getRequest().getAttribute("analytics-path");
                    }
                    bindings.put("resourceUrl", url);
                    bindings.put("resource", resource);
                    bindings.put("gaMap",renderContext.getRequest().getAttribute("gaMap"));
                    scriptContext.setBindings(bindings, ScriptContext.GLOBAL_SCOPE);
                    // The following binding is necessary for Javascript, which doesn't offer a console by default.
                    bindings.put("out", new PrintWriter(scriptContext.getWriter()));
                    scriptEngine.eval(script, scriptContext);
                    StringWriter writer = (StringWriter) scriptContext.getWriter();
                    final String googleAnalyticsScript = writer.toString();
                    if (StringUtils.isNotBlank(googleAnalyticsScript)) {
                        outputDocument.replace(headEndTag.getBegin(), headEndTag.getBegin() + 1,
                                "\n" + AggregateCacheFilter.removeEsiTags(googleAnalyticsScript) + "\n<");
                    }
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    public void shouldHaveExpectedInstanceVariablesOnScriptContext() {
        sampler.setName("name");
        sampler.setParameters("p1 p2 p3");
        final SampleResult sampleResult = new SampleResult();
        final ScriptEngine scriptEngine = sampler.createScriptEngineWith(sampleResult);
        final ScriptContext scriptContext = scriptEngine.getContext();
        final WebDriverScriptable scriptable = (WebDriverScriptable) scriptContext.getAttribute("WDS");
        assertThat(scriptable.getLog(), is(instanceOf(Logger.class)));
        assertThat(scriptable.getName(), is(sampler.getName()));
        assertThat(scriptable.getParameters(), is(sampler.getParameters()));
        assertThat(scriptable.getArgs(), is(new String[]{"p1", "p2", "p3"}));
        assertThat(scriptable.getBrowser(), is(instanceOf(WebDriver.class)));
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        }
        if (engine == null) {
            throw new IllegalArgumentException("No script engine could be created for: " + language);
        }
        if (isPython(language)) {
            ScriptContext context = engine.getContext();
            context.setAttribute("com.sun.script.jython.comp.mode", "eval", ScriptContext.ENGINE_SCOPE);
        }
        return engine;
    }
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    protected Object evaluateScript(Exchange exchange) {
        try {
            // get a new engine which we must for each exchange
            ScriptEngine engine = scriptEngineFactory.getScriptEngine();
            ScriptContext context = populateBindings(engine, exchange, attributes);
            addScriptEngineArguments(engine, exchange);
            Object result = runScript(engine, exchange, context);
            LOG.debug("The script evaluation result is: {}", result);
            return result;
        } catch (ScriptException e) {
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        }
        return result;
    }

    protected ScriptContext populateBindings(ScriptEngine engine, Exchange exchange, Map<String, Object> attributes) {
        ScriptContext context = engine.getContext();
        int scope = ScriptContext.ENGINE_SCOPE;
        context.setAttribute("context", exchange.getContext(), scope);
        context.setAttribute("camelContext", exchange.getContext(), scope);
        context.setAttribute("exchange", exchange, scope);
        Message in = exchange.getIn();
        context.setAttribute("request", in, scope);
        context.setAttribute("headers", in.getHeaders(), scope);
        context.setAttribute("body", in.getBody(), scope);
        if (exchange.hasOut()) {
            Message out = exchange.getOut();
            context.setAttribute("out", out , scope);
            context.setAttribute("response", out, scope);
        }
        // to make using properties component easier
        context.setAttribute("properties", new ScriptPropertiesFunction(exchange.getContext()), scope);
        // any additional attributes
        if (attributes != null) {
            for (Map.Entry<String, Object> entry : attributes.entrySet()) {
                context.setAttribute(entry.getKey(), entry.getValue(), scope);
            }
        }
        return context;
    }
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    private CompiledScript compiledScript;

    public Object evaluate(MessageExchange exchange, NormalizedMessage message) throws MessagingException {
        try {
             /** TODO */
            ScriptContext namespace = null;
            return compiledScript.eval(namespace);
        }
        catch (ScriptException e) {
            throw new MessagingException(e);
        }
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            "end\n" +
            "def get_perimeter(x, y)\n" +
              "x + 2.0 * y + Math::PI / 2.0 * x\n" +
            "end\n" +
            "norman_window(1, 3)";
        ScriptContext context = new SimpleScriptContext();
        List<Double> expResult = new ArrayList();
        expResult.add(3.392);
        expResult.add(8.571);
        List<Double> result = (List<Double>) instance.eval(script, context);
        for (int i=0; i<result.size(); i++) {
            assertEquals(expResult.get(i), result.get(i), 0.01);
        }

        script =
            "def get_area\n" +
              "$x * $y + Math::PI / 8.0 * $x ** 2.0\n" +
            "end\n" +
            "get_area";
        context.setAttribute("x", 1.0, ScriptContext.ENGINE_SCOPE);
        context.setAttribute("y", 3.0, ScriptContext.ENGINE_SCOPE);
        Double result2 = (Double) instance.eval(script, context);
        assertEquals(expResult.get(0), result2, 0.01);

        instance.getBindings(ScriptContext.ENGINE_SCOPE).clear();
        instance = null;
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