Example usage for javax.script ScriptContext setAttribute

Introduction

In this page you can find the example usage for javax.script ScriptContext setAttribute.

Prototype

public void setAttribute(String name, Object value, int scope);

Source Link

Document

Sets the value of an attribute in a given scope.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    ScriptContext ctx = new SimpleScriptContext();
    ctx.setAttribute("year", 2015, ScriptContext.ENGINE_SCOPE);
    ctx.setAttribute("month", 9, ScriptContext.ENGINE_SCOPE);
    ctx.setAttribute("day", 21, ScriptContext.ENGINE_SCOPE);

}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    ScriptContext ctx = new SimpleScriptContext();
    Bindings globalBindings = new SimpleBindings();
    ctx.setBindings(globalBindings, ScriptContext.GLOBAL_SCOPE);
    ctx.setAttribute("year", 2015, ScriptContext.GLOBAL_SCOPE);
    ctx.setAttribute("name", "Java", ScriptContext.GLOBAL_SCOPE);
}

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From source file:Main.java

public static void main(String[] args) {
    ScriptContext ctx = new SimpleScriptContext();
    List<Integer> scopes = ctx.getScopes();
    System.out.println("Supported Scopes: " + scopes);

    ctx.setAttribute("year", 2015, ENGINE_SCOPE);

    Bindings globalBindings = new SimpleBindings();
    ctx.setBindings(globalBindings, GLOBAL_SCOPE);

    ctx.setAttribute("year", 2014, GLOBAL_SCOPE);
    ctx.setAttribute("name", "Jack", GLOBAL_SCOPE);

    String nameValue = (String) ctx.getAttribute("name");
    System.out.println("nameValue = " + nameValue);

    int engineScopeYear = (Integer) ctx.getAttribute("year", ENGINE_SCOPE);
    int globalScopeYear = (Integer) ctx.getAttribute("year", GLOBAL_SCOPE);

    System.out.println("engineScopeYear = " + engineScopeYear);
    System.out.println("globalScopeYear = " + globalScopeYear);
}

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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");

    manager.put("n1", 1);
    String script = "var sum = n1 + n2;print(msg + " + "' n1=' + n1 + ', n2=' + n2 + " + "', sum=' + sum);";

    engine.put("n2", 2);
    engine.put("msg", "a string");
    engine.eval(script);/*from  w  w  w .  j a v  a2 s. com*/

    Bindings bindings = engine.createBindings();
    bindings.put("n2", 3);
    bindings.put("msg", "another string");
    engine.eval(script, bindings);

    ScriptContext ctx = new SimpleScriptContext();
    Bindings ctxGlobalBindings = engine.createBindings();
    ctx.setBindings(ctxGlobalBindings, GLOBAL_SCOPE);
    ctx.setAttribute("n1", 4, GLOBAL_SCOPE);
    ctx.setAttribute("n2", 5, ENGINE_SCOPE);
    ctx.setAttribute("msg", "ScriptContext:", ENGINE_SCOPE);
    engine.eval(script, ctx);

    engine.eval(script);
}

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From source file:net.mindengine.galen.suite.actions.GalenPageActionRunJavascript.java

@Override
public List<ValidationError> execute(Browser browser, GalenPageTest pageTest,
        ValidationListener validationListener) throws Exception {

    File file = GalenUtils.findFile(javascriptPath);
    Reader scriptFileReader = new FileReader(file);
    ScriptEngineManager factory = new ScriptEngineManager();
    ScriptEngine engine = factory.getEngineByName("JavaScript");
    ScriptContext context = engine.getContext();
    context.setAttribute("name", "JavaScript", ScriptContext.ENGINE_SCOPE);

    engine.put("global", new ScriptExecutor(engine, file.getParent()));
    engine.put("browser", browser);

    provideWrappedWebDriver(engine, browser);

    importAllMajorClasses(engine);// w ww .j a va 2s . c om
    engine.eval("var arg = " + jsonArguments);
    engine.eval(scriptFileReader);
    return NO_ERRORS;
}

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From source file:io.cloudslang.lang.runtime.bindings.ScriptEvaluator.java

public Serializable evalExpr(String expr, Map<String, ? extends Serializable> context) {
    ScriptContext scriptContext = new SimpleScriptContext();
    for (Map.Entry<String, ? extends Serializable> entry : context.entrySet()) {
        scriptContext.setAttribute(entry.getKey(), entry.getValue(), ScriptContext.ENGINE_SCOPE);
    }/*from   w  w  w. ja v  a2s  .co m*/
    if (scriptContext.getAttribute(TRUE) == null)
        scriptContext.setAttribute(TRUE, Boolean.TRUE, ScriptContext.ENGINE_SCOPE);
    if (scriptContext.getAttribute(FALSE) == null)
        scriptContext.setAttribute(FALSE, Boolean.FALSE, ScriptContext.ENGINE_SCOPE);
    try {
        return (Serializable) engine.eval(expr, scriptContext);
    } catch (ScriptException e) {
        ScriptException scriptException = new ScriptException(e);
        throw new RuntimeException("Error in running script expression or variable reference, for expression: '"
                + expr + "',\n\tScript exception is: " + scriptException.getMessage(), scriptException);
    }
}

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From source file:org.openscore.lang.runtime.bindings.ScriptEvaluator.java

public Serializable evalExpr(String expr, Map<String, ? extends Serializable> context) {
    ScriptContext scriptContext = new SimpleScriptContext();
    for (Map.Entry<String, ? extends Serializable> entry : context.entrySet()) {
        scriptContext.setAttribute(entry.getKey(), entry.getValue(), ScriptContext.ENGINE_SCOPE);
    }//from  w  w  w .  j  a  va2s  .co m
    if (scriptContext.getAttribute(TRUE) == null)
        scriptContext.setAttribute(TRUE, Boolean.TRUE, ScriptContext.ENGINE_SCOPE);
    if (scriptContext.getAttribute(FALSE) == null)
        scriptContext.setAttribute(FALSE, Boolean.FALSE, ScriptContext.ENGINE_SCOPE);
    try {
        return (Serializable) engine.eval(expr, scriptContext);
    } catch (ScriptException e) {
        ScriptException scriptException = new ScriptException(e);
        throw new RuntimeException("Error in running script expression or variable reference, for expression: '"
                + expr + "', Script exception is: \n" + scriptException.getMessage(), scriptException);
    }
}

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From source file:com.lucidtechnics.blackboard.util.Jsr223ScriptingUtil.java

public Object executeScript(String _scriptResource) {
    ScriptContext scriptContext = getScriptEngine().getContext();

    Object result = null;//ww w. j  ava  2  s  .  com

    try {
        for (String key : getBindingsMap().keySet()) {
            scriptContext.setAttribute(key, getBindingsMap().get(key), ScriptContext.ENGINE_SCOPE);
        }

        CompiledScript script = compileScript(_scriptResource);

        if (script != null) {
            result = script.eval(scriptContext);
        } else {
            result = getScriptEngine().eval(new InputStreamReader(findScript(_scriptResource)), scriptContext);
        }
    } catch (Throwable t) {
        throw new RuntimeException(
                "Unable to execute script: " + _scriptResource + " for this reason: " + t.toString(), t);
    }

    return result;
}

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From source file:com.lucidtechnics.blackboard.util.Jsr223ScriptingUtil.java

public Object executeScript(String[] _scriptResources) {
    ScriptContext scriptContext = getScriptEngine().getContext();

    Object result = null;/* www.  ja v a  2  s  . com*/

    int i = 0;

    try {
        for (String key : getBindingsMap().keySet()) {
            scriptContext.setAttribute(key, getBindingsMap().get(key), ScriptContext.ENGINE_SCOPE);
        }

        for (i = 0; i < _scriptResources.length; i++) {
            CompiledScript script = compileScript(_scriptResources[i]);

            if (script != null) {
                result = script.eval(scriptContext);
            } else {
                result = getScriptEngine().eval(new InputStreamReader(findScript(_scriptResources[i])),
                        scriptContext);
            }
        }
    } catch (Throwable t) {
        throw new RuntimeException(
                "Unable to execute script: " + _scriptResources[i] + " for this reason: " + t.toString(), t);
    }

    return result;
}

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From source file:com.aionemu.commons.scripting.AionScriptEngineManager.java

public void executeScript(ScriptEngine engine, File file) throws FileNotFoundException, ScriptException {
    BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(file)));

    if (VERBOSE_LOADING) {
        log.info("Loading Script: " + file.getAbsolutePath());
    }//w  ww .j  av  a 2 s.co m

    if (PURGE_ERROR_LOG) {
        String name = file.getAbsolutePath() + ".error.log";
        File errorLog = new File(name);
        if (errorLog.isFile()) {
            errorLog.delete();
        }
    }

    if (engine instanceof Compilable && ATTEMPT_COMPILATION) {
        ScriptContext context = new SimpleScriptContext();
        context.setAttribute("mainClass", getClassForFile(file).replace('/', '.').replace('\\', '.'),
                ScriptContext.ENGINE_SCOPE);
        context.setAttribute(ScriptEngine.FILENAME, file.getName(), ScriptContext.ENGINE_SCOPE);
        context.setAttribute("classpath", SCRIPT_FOLDER.getAbsolutePath(), ScriptContext.ENGINE_SCOPE);
        context.setAttribute("sourcepath", SCRIPT_FOLDER.getAbsolutePath(), ScriptContext.ENGINE_SCOPE);
        context.setAttribute("parentLoader", ClassLoader.getSystemClassLoader(), ScriptContext.ENGINE_SCOPE);

        setCurrentLoadingScript(file);
        ScriptContext ctx = engine.getContext();
        try {
            engine.setContext(context);
            if (USE_COMPILED_CACHE) {
                CompiledScript cs = _cache.loadCompiledScript(engine, file);
                cs.eval(context);
            } else {
                Compilable eng = (Compilable) engine;
                CompiledScript cs = eng.compile(reader);
                cs.eval(context);
            }
        } finally {
            engine.setContext(ctx);
            setCurrentLoadingScript(null);
            context.removeAttribute(ScriptEngine.FILENAME, ScriptContext.ENGINE_SCOPE);
            context.removeAttribute("mainClass", ScriptContext.ENGINE_SCOPE);
            context.removeAttribute("parentLoader", ScriptContext.ENGINE_SCOPE);
        }
    } else {
        ScriptContext context = new SimpleScriptContext();
        context.setAttribute("mainClass", getClassForFile(file).replace('/', '.').replace('\\', '.'),
                ScriptContext.ENGINE_SCOPE);
        context.setAttribute(ScriptEngine.FILENAME, file.getName(), ScriptContext.ENGINE_SCOPE);
        context.setAttribute("classpath", SCRIPT_FOLDER.getAbsolutePath(), ScriptContext.ENGINE_SCOPE);
        context.setAttribute("sourcepath", SCRIPT_FOLDER.getAbsolutePath(), ScriptContext.ENGINE_SCOPE);
        context.setAttribute("parentLoader", ClassLoader.getSystemClassLoader(), ScriptContext.ENGINE_SCOPE);
        setCurrentLoadingScript(file);
        try {
            engine.eval(reader, context);
        } finally {
            setCurrentLoadingScript(null);
            engine.getContext().removeAttribute(ScriptEngine.FILENAME, ScriptContext.ENGINE_SCOPE);
            engine.getContext().removeAttribute("mainClass", ScriptContext.ENGINE_SCOPE);
            engine.getContext().removeAttribute("parentLoader", ScriptContext.ENGINE_SCOPE);
        }

    }
}

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