/** Test of get method, of class Jsr223JRubyEngine. */
@Test
public void testGet() {
logger1.info("get");
ScriptEngine instance;
synchronized (this) {
System.setProperty("org.jruby.embed.localcontext.scope", "singlethread");
System.setProperty("org.jruby.embed.localvariable.behavior", "transient");
ScriptEngineManager manager = new ScriptEngineManager();
instance = manager.getEngineByName("jruby");
}
instance.put("abc", "aabc");
instance.put("@abc", "abbc");
instance.put("$abc", "abcc");
String key = "abc";
Object expResult = "aabc";
Object result = instance.get(key);
assertEquals(expResult, result);
List list = new ArrayList();
list.add("aabc");
instance.put("abc", list);
Map map = new HashMap();
map.put("Ruby", "Rocks");
instance.put("@abc", map);
result = instance.get(key);
assertEquals(expResult, ((List) result).get(0));
key = "@abc";
expResult = "Rocks";
result = instance.get(key);
assertEquals(expResult, ((Map) result).get("Ruby"));
instance.getBindings(ScriptContext.ENGINE_SCOPE).clear();
instance = null;
}
@Override
public boolean isActive(FeatureState featureState, FeatureUser user) {
String lang = featureState.getParameter(PARAM_LANG);
String script = featureState.getParameter(PARAM_SCRIPT);
ScriptEngine engine = engineManager.getEngineByName(lang);
if (engine == null) {
log.error("Could not find script engine for: " + lang);
return false;
}
engine.put("user", user);
engine.put("date", new Date());
try {
Object result = engine.eval(script);
if (result instanceof Boolean) {
return ((Boolean) result).booleanValue();
}
} catch (ScriptException e) {
log.error(
"Could not evaluate script for feature "
+ featureState.getFeature().name()
+ ": "
+ e.getMessage());
}
return false;
}
// This code worked successfully on command-line but never as JUnit test
// <script>:1: undefined method `+' for nil:NilClass (NoMethodError)
// raised at "Object obj1 = engine1.eval("$Value + 2010.to_s");"
// @Test
public void testMultipleEngineStates() throws ScriptException {
logger1.info("Multiple Engine States");
ScriptEngine engine1;
ScriptEngine engine2;
synchronized (this) {
System.setProperty("org.jruby.embed.localcontext.scope", "singlethread");
System.setProperty("org.jruby.embed.localvariable.behavior", "global");
ScriptEngineManager manager = new ScriptEngineManager();
List<ScriptEngineFactory> factories = manager.getEngineFactories();
ScriptEngineFactory factory = null;
while (factories.iterator().hasNext()) {
factory = factories.iterator().next();
if ("ruby".equals(factory.getLanguageName())) {
break;
}
}
engine1 = factory.getScriptEngine();
engine2 = factory.getScriptEngine();
}
engine1.put("Value", "value of the first engine");
engine2.put("Value", new Double(-0.0149));
Object obj1 = engine1.eval("$Value + 2010.to_s");
Object obj2 = engine2.eval("$Value + 2010");
assertNotSame(obj1, obj2);
engine1 = null;
engine2 = null;
}
@Override
public void run() {
final ScriptEngineManager scriptEngineManager = new ScriptEngineManager();
ScriptEngine e = scriptEngineManager.getEngineByName("javascript");
if (map != null) {
for (Map.Entry<String, ?> entry : map.entrySet()) {
e.put(entry.getKey(), entry.getValue());
}
}
e.put("hazelcast", hazelcastInstance);
try {
// for new JavaScript engine called Nashorn we need the compatibility script
if (e.getFactory().getEngineName().toLowerCase().contains("nashorn")) {
e.eval("load('nashorn:mozilla_compat.js');");
}
e.eval("importPackage(java.lang);");
e.eval("importPackage(java.util);");
e.eval("importPackage(com.hazelcast.core);");
e.eval("importPackage(com.hazelcast.config);");
e.eval("importPackage(java.util.concurrent);");
e.eval("importPackage(org.junit);");
e.eval(script);
} catch (ScriptException e1) {
throw new RuntimeException(e1);
}
}
public void reloadScript() {
onDisable();
try {
ScriptEngine engine = ((ScriptLoader) loader).getScriptEngine(file);
engine.put(Utils.getStringOrDefault(engine, "HELPER_VARIABLE_NAME", "helper"), helper);
engine.put(Utils.getStringOrDefault(engine, "PLUGIN_VARIABLE_NAME", "plugin"), this);
engine.put(Utils.getStringOrDefault(engine, "SERVER_VARIABLE_NAME", "server"), server);
sEngine = (Invocable) engine;
} catch (FileNotFoundException fnfe) {
log(
Level.SEVERE,
String.format(
"Not reloading script \"%s\"; file not found. Was the script file moved or deleted?",
file.getName()),
fnfe);
} catch (ScriptException sex) {
log(
Level.SEVERE,
String.format("Not reloading script \"%s\"; error while parsing script.", file.getName()),
sex);
} catch (InvalidPluginException ipe) {
log(
Level.SEVERE,
String.format(
"Not reloading script \"%s\"; someone broke jxpl via reflection.", file.getName()),
ipe);
} finally {
onEnable();
}
}
public static void main(String[] args) throws NoSuchMethodException, ScriptException {
PropertyConfigurator.configure("./log4j.properties");
BasicDataSource bds = new BasicDataSource();
bds.setDriverClassName("org.postgresql.Driver");
bds.setUrl("jdbc:postgresql://localhost:5432/booktown");
bds.setUsername("postgres");
bds.setPassword("pass4postgres");
ScriptEngine engine = JsEngineUtil.newEngine();
engine.put("logger", logger);
engine.put("dataSource", bds);
try {
JsEngineUtil.eval(engine, "web/WEB-INF/jslib/lang.js", true, false);
JsEngineUtil.eval(engine, "web/WEB-INF/jslib/db2js.js", true, false);
JsEngineUtil.eval(engine, "test/test_query.js", true, false);
} catch (Exception e) {
logger.error("", e);
}
Invocable inv = (Invocable) engine;
inv.invokeMethod(engine.eval("dbjs"), "test1");
inv.invokeMethod(engine.eval("dbjs"), "travelTest");
inv.invokeMethod(engine.eval("dbjs"), "paging");
// inv.invokeMethod(engine.eval("dbjs"), "insertJson");
//
// inv.invokeMethod(engine.eval("dbjs"), "queryJson");
}
@Test
public void putNullRef() throws ScriptException {
engine.put("x", 42);
assertThat(engine.eval("x == 42"), CoreMatchers.<Object>equalTo(LogicalVector.TRUE));
engine.put("x", null);
assertThat(engine.eval("is.null(x)"), CoreMatchers.<Object>equalTo(LogicalVector.TRUE));
}
private boolean aggregableWithScript(UnderlayItem newItem, UnderlayItem topoStoreItem) {
ScriptResult scriptResult = new ScriptResult();
scriptEngine.put("aggregable", scriptResult);
scriptEngine.put("originalItem", topoStoreItem);
scriptEngine.put("newItem", newItem);
try {
scriptEngine.eval(script);
return scriptResult.getResult();
} catch (ScriptException e) {
throw new IllegalStateException("Exception during script evaluation: " + script, e);
}
}
/**
* {@inheritDoc}
*
* @see schemacrawler.tools.integration.TemplatedSchemaRenderer#render(java.lang.String,
* schemacrawler.schema.Schema, java.io.Writer)
*/
@Override
protected void render(
final Connection connection,
final String scriptFileName,
final Database database,
final Writer writer)
throws ExecutionException {
if (sf.util.Utility.isBlank(scriptFileName)) {
throw new ExecutionException("No script file provided");
}
final Reader reader;
final File scriptFile = new File(scriptFileName);
if (scriptFile.exists() && scriptFile.canRead()) {
try {
reader = new FileReader(scriptFile);
} catch (final FileNotFoundException e) {
throw new ExecutionException("Cannot load script, " + scriptFile.getAbsolutePath());
}
} else {
final InputStream inputStream =
ScriptRenderer.class.getResourceAsStream("/" + scriptFileName);
if (inputStream != null) {
reader = new InputStreamReader(inputStream);
} else {
throw new ExecutionException("Cannot load script, " + scriptFileName);
}
}
try {
// Create a new instance of the engine
final ScriptEngineManager scriptEngineManager = new ScriptEngineManager();
ScriptEngine scriptEngine =
scriptEngineManager.getEngineByExtension(FileUtility.getFileExtension(scriptFile));
if (scriptEngine == null) {
scriptEngine = scriptEngineManager.getEngineByName("JavaScript");
}
if (scriptEngine == null) {
throw new ExecutionException("Script engine not found");
}
// Set up the context
scriptEngine.getContext().setWriter(writer);
scriptEngine.put("database", database);
scriptEngine.put("connection", connection);
// Evaluate the script
scriptEngine.eval(reader);
} catch (final ScriptException e) {
throw new ExecutionException("Could not evaluate script", e);
}
}
@Test
public void testBinding() throws ScriptException {
frege.put("bar :: Integer", new BigInteger("12312332142343244"));
final Object actual = frege.eval("bar + 3.big");
final Object expected = new BigInteger("12312332142343247");
assertEquals(expected, actual);
}
/** Test of compile method, of class Jsr223JRubyEngine. */
@Test
public void testCompile_Reader() throws Exception {
logger1.info("[compile reader]");
ScriptEngine instance;
synchronized (this) {
System.setProperty("org.jruby.embed.localcontext.scope", "singlethread");
System.setProperty("org.jruby.embed.localvariable.behavior", "transient");
ScriptEngineManager manager = new ScriptEngineManager();
instance = manager.getEngineByName("jruby");
}
String filename = basedir + "/src/test/ruby/org/jruby/embed/ruby/proverbs_of_the_day.rb";
Reader reader = new FileReader(filename);
instance.put("$day", -1);
CompiledScript cs = ((Compilable) instance).compile(reader);
String result = (String) cs.eval();
String expResult = "A rolling stone gathers no moss.";
assertEquals(expResult, result);
result = (String) cs.eval();
expResult = "A friend in need is a friend indeed.";
assertEquals(expResult, result);
result = (String) cs.eval();
expResult = "Every garden may have some weeds.";
assertEquals(expResult, result);
instance.getBindings(ScriptContext.ENGINE_SCOPE).clear();
instance = null;
}
public ScriptExecutor(ScriptExecutionRequest request) {
this.request = request;
ScriptEngineManager factory = new ScriptEngineManager();
engine = factory.getEngineByName(request.format);
engine.put("output", request.output);
/** */
if (request.script == null || request.script.equals("") == true) {
/** Default root is the the resource folder of the current project. */
String root = "src/main/resources/library/";
if (System.getProperty("hbird.scriptlibrary") != null) {
root = System.getProperty("hbird.scriptlibrary");
if (root.endsWith("/") == false) {
root += "/";
}
}
File file = new File(root + request.name + ".js");
if (file.exists() == false) {
LOG.error("Failed to find script file '" + file.getAbsolutePath() + "'.");
LOG.error(
"Use the runtime system property '-Dhbird.scriptlibrary=[path]' to point to the script library. Script will not be evaluated.");
} else {
try {
request.script = FileUtils.readFileToString(file);
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
private Object executeScript(InputStream script, Map<String, Object> params) throws Exception {
ScriptEngineManager manager = new ScriptEngineManager();
ScriptEngine scriptEngine = manager.getEngineByName(engineName);
scriptEngine.put("engine", engineName);
Bindings bindings = new SimpleBindings();
if (params != null && params.size() > 0) {
for (Map.Entry<String, Object> entry : params.entrySet()) {
bindings.put(entry.getKey(), entry.getValue());
}
}
// Set default plugins
for (String plugin : getDefaultPlugins()) {
Plugin pluginInstance = getPlugin(plugin);
if (plugin != null) {
bindings.put(pluginInstance.getName(), pluginInstance);
}
}
Reader reader = new InputStreamReader(script);
Object result = scriptEngine.eval(reader, bindings);
reader.close();
script.close();
return result;
}
@Test
public void testBindingWithTypeAnn() throws ScriptException {
frege.put("foo::String", "I am foo");
final Object actual = frege.eval("\"Hello World, \" ++ foo");
final Object expected = "Hello World, I am foo";
assertEquals(expected, actual);
}
@Test
public void putPrimitiveLongArray() throws ScriptException {
long[] longs = new long[] {1, 2, 3, 4, 5};
engine.put("longs", longs);
IntArrayVector lav = (IntArrayVector) engine.eval("as.integer(longs)");
assertThat(lav.length(), equalTo(5));
}
@Test
public void putPrimitiveDoubleArray() throws ScriptException {
double[] doubles = new double[] {1.0, 2.0, 3.0, 4.0, 5.0};
engine.put("doubles", doubles);
DoubleArrayVector dav = (DoubleArrayVector) engine.eval("as.double(doubles)");
assertThat(dav.length(), equalTo(5));
}
@Test
public void testClearVariables() throws ScriptException {
logger1.info("Clear Variables Test");
ScriptEngine instance = null;
synchronized (this) {
System.setProperty("org.jruby.embed.localcontext.scope", "singlethread");
System.setProperty("org.jruby.embed.localvariable.behavior", "global");
ScriptEngineManager manager = new ScriptEngineManager();
instance = manager.getEngineByName("jruby");
}
instance.put("gvar", ":Gvar");
String result = (String) instance.eval("$gvar");
assertEquals(":Gvar", result);
instance.getBindings(ScriptContext.ENGINE_SCOPE).remove("gvar");
instance
.getContext()
.setAttribute("org.jruby.embed.clear.variables", true, ScriptContext.ENGINE_SCOPE);
instance.eval("");
instance
.getContext()
.setAttribute("org.jruby.embed.clear.variables", false, ScriptContext.ENGINE_SCOPE);
result = (String) instance.eval("$gvar");
assertNull(result);
instance = null;
}
public Object execute(Object obj, String script) {
MetaEntity info = infoFactory.getTypeInfo(obj.getClass().getName());
List<MetaAttribute> attrs = info.getAttributes();
Iterator<MetaAttribute> it = attrs.iterator();
while (it.hasNext()) {
MetaAttribute attr = (MetaAttribute) it.next();
engine.put(attr.getName(), attr.getValue(obj));
}
engine.put("rec", obj);
try {
return engine.eval(script);
} catch (ScriptException ex) {
new RuntimeException("Ejecutando Script", ex);
return null;
}
}
LocalScriptEngine(
String name, Instrumentation instrumentation, Unsafe unsafe, ToolingInterface tools)
throws RemoteException {
this.engine = new ScriptEngineManager().getEngineByName(name);
if (engine == null) {
throw new IllegalArgumentException(String.format("No such script engine '%s'.", name));
}
if (instrumentation != null) {
engine.put("instrumentation", instrumentation);
}
if (unsafe != null) {
engine.put("unsafe", unsafe);
}
if (tools != null) {
engine.put("tools", tools);
}
}
@BeforeClass
public static void setUpClass() throws ScriptException {
final ScriptEngineManager m = new ScriptEngineManager();
e = m.getEngineByName("nashorn");
o = new SharedObject();
e.put("o", o);
e.eval("var SharedObject = Packages.jdk.nashorn.api.javaaccess.SharedObject;");
}
@Test
public void putPrimitiveIntegerArray() throws ScriptException {
int[] integers = new int[] {1, 2, 3, 4, 5};
engine.put("integers", integers);
IntArrayVector iav = (IntArrayVector) engine.eval("as.integer(integers)");
System.out.println(iav);
assertThat(iav.length(), equalTo(5));
}
public static void main(String[] args) throws IOException, ScriptException {
ScriptEngineManager factory = new ScriptEngineManager();
ScriptEngine engine = factory.getEngineByName("Renjin");
engine.put("benchmarkArgs", new StringArrayVector(args));
engine.eval(new InputStreamReader(new FileInputStream("src/main/R/runner.R")));
}
public Object executeArgs(Object[] args, String script) {
engine.put("arg", args);
try {
return engine.eval(script);
} catch (ScriptException ex) {
new RuntimeException("Ejecutando Script", ex);
return null;
}
}
private Double customShapeArea() {
ScriptEngineManager factory = new ScriptEngineManager();
ScriptEngine engine = factory.getEngineByName("JavaScript");
coordinates.forEach((k, v) -> engine.put(k, v));
try {
return (Double) engine.eval(shapeType.getFormula());
} catch (ScriptException ex) {
return null;
}
}
private boolean eval(IElementValue context, String rule, ArrayList<Exception> lex) {
rule = addPackages(rule);
boolean returnValue = false;
try {
// if(
// context.getSemanticElement().getName().equalsIgnoreCase("MedicationEnteringOrganizationIdentifier") ) {
// test((XElementValue)context, m_value);
// }
engine.put("value", context);
if (null != m_name && 0 < m_name.length()) {
engine.put(m_name, m_value);
}
engine.put("returnValue", returnValue);
engine.eval(rule);
} catch (Exception ex) {
lex.add(ex);
}
return returnValue;
}
@Override
public void acceptRepresentation(Representation entity) throws ResourceException {
Form form = getRequest().getEntityAsForm();
chosenEngine = form.getFirstValue("engine");
script = form.getFirstValue("script");
if (StringUtils.isBlank(script)) {
script = "";
}
ScriptEngine eng = MANAGER.getEngineByName(chosenEngine);
StringWriter rawString = new StringWriter();
PrintWriter rawOut = new PrintWriter(rawString);
eng.put("rawOut", rawOut);
StringWriter htmlString = new StringWriter();
PrintWriter htmlOut = new PrintWriter(htmlString);
eng.put("htmlOut", htmlOut);
eng.put("job", cj);
eng.put("appCtx", cj.getJobContext());
eng.put("scriptResource", this);
try {
eng.eval(script);
linesExecuted = script.split("\r?\n").length;
} catch (ScriptException e) {
ex = e;
} catch (RuntimeException e) {
ex = e;
} finally {
rawOut.flush();
rawOutput = rawString.toString();
htmlOut.flush();
htmlOutput = htmlString.toString();
eng.put("rawOut", null);
eng.put("htmlOut", null);
eng.put("job", null);
eng.put("appCtx", null);
eng.put("scriptResource", null);
}
// TODO: log script, results somewhere; job log INFO?
getResponse().setEntity(represent());
}
private static void eval(ScriptEngine engine, String name) throws Exception {
/*
* This class is compiled into a jar file. The jar file
* contains few scripts under /resources URL.
*/
InputStream is = Main.class.getResourceAsStream("/resources/" + name);
// current script file name for better error messages
engine.put(ScriptEngine.FILENAME, name);
// evaluate the script in the InputStream
engine.eval(new InputStreamReader(is));
}
public ScriptPlugin(PluginLoader pluginLoader, Server instance, File plugin, ScriptEngine engine)
throws InvalidDescriptionException {
loader = pluginLoader;
server = instance;
file = plugin;
rdescription = (Map<String, Object>) Utils.getOrExcept(engine, "SCRIPT_PDF");
description = Utils.getPdfFromMap(rdescription);
logger = Logger.getLogger("Minecraft.JxplPlugin." + description.getName());
dataFolder = initialiseDataFolder();
helper = new PluginHelper();
engine.put(Utils.getOrDefault(rdescription, "jxpl.helpervarname", "helper"), helper);
engine.put(Utils.getOrDefault(rdescription, "jxpl.pluginvarname", "plugin"), this);
engine.put(Utils.getOrDefault(rdescription, "jxpl.servervarname", "server"), server);
sEngine = (Invocable) engine;
if (dataFolder != null && Utils.getOrDefault(rdescription, "jxpl.hasconfig", false)) {
configFile = new File(dataFolder, "config.yml");
} else {
configFile = null;
}
}
public void execute(Bindings bindings) {
try {
for (String key : bindings.keySet()) {
engine.put(key, bindings.get(key));
}
compiledScript.eval();
} catch (ScriptException e) {
onScriptError(e);
return;
}
}
protected void setup(Context context) throws IOException, InterruptedException {
super.setup(context);
scriptEngine = scriptEngineManager.getEngineByName("JavaScript");
try {
Configuration configuration = context.getConfiguration();
mapOutputKey = MrUtils.getWritableComparableType("js.map.output.key.type", configuration);
mapOutputValue = MrUtils.getWritableComparableType("js.map.output.value.type", configuration);
scriptEngine.eval(
MrUtils.getScripts(
context.getConfiguration(), MrUtils.getPathFilter("js.map.filename", configuration)));
scriptEngine.put("mapOutputKey", mapOutputKey);
scriptEngine.put("mapOutputValue", mapOutputValue);
OUTPUT_KEY_CLASS = mapOutputKey.getClass();
OUTPUT_VALUE_CLASS = mapOutputValue.getClass();
} catch (ScriptException se) {
IOException ioe = new IOException(se);
ioe.setStackTrace(se.getStackTrace());
throw ioe;
}
}
