private static void defineProperties(Context cx, JaggeryContext context, ScriptableObject scope) {
JavaScriptProperty request = new JavaScriptProperty("request");
HttpServletRequest servletRequest = (HttpServletRequest) context.getProperty(SERVLET_REQUEST);
request.setValue(cx.newObject(scope, "Request", new Object[] {servletRequest}));
request.setAttribute(ScriptableObject.READONLY);
RhinoEngine.defineProperty(scope, request);
JavaScriptProperty response = new JavaScriptProperty("response");
HttpServletResponse servletResponse =
(HttpServletResponse) context.getProperty(SERVLET_RESPONSE);
response.setValue(cx.newObject(scope, "Response", new Object[] {servletResponse}));
response.setAttribute(ScriptableObject.READONLY);
RhinoEngine.defineProperty(scope, response);
JavaScriptProperty session = new JavaScriptProperty("session");
session.setValue(cx.newObject(scope, "Session", new Object[] {servletRequest.getSession()}));
session.setAttribute(ScriptableObject.READONLY);
RhinoEngine.defineProperty(scope, session);
JavaScriptProperty application = new JavaScriptProperty("application");
ServletContext servletConext = (ServletContext) context.getProperty(Constants.SERVLET_CONTEXT);
application.setValue(cx.newObject(scope, "Application", new Object[] {servletConext}));
application.setAttribute(ScriptableObject.READONLY);
RhinoEngine.defineProperty(scope, application);
if (isWebSocket(servletRequest)) {
JavaScriptProperty websocket = new JavaScriptProperty("webSocket");
websocket.setValue(cx.newObject(scope, "WebSocket", new Object[0]));
websocket.setAttribute(ScriptableObject.READONLY);
RhinoEngine.defineProperty(scope, websocket);
}
}
public static JaggeryContext clonedJaggeryContext(ServletContext context) {
JaggeryContext shared = sharedJaggeryContext(context);
RhinoEngine engine = shared.getEngine();
Scriptable sharedScope = shared.getScope();
Context cx = Context.getCurrentContext();
ScriptableObject instanceScope = (ScriptableObject) cx.newObject(sharedScope);
instanceScope.setPrototype(sharedScope);
instanceScope.setParentScope(null);
JaggeryContext clone = new JaggeryContext();
clone.setEngine(engine);
clone.setTenantId(shared.getTenantId());
clone.setScope(instanceScope);
clone.addProperty(Constants.SERVLET_CONTEXT, shared.getProperty(Constants.SERVLET_CONTEXT));
clone.addProperty(LogHostObject.LOG_LEVEL, shared.getProperty(LogHostObject.LOG_LEVEL));
clone.addProperty(
FileHostObject.JAVASCRIPT_FILE_MANAGER,
shared.getProperty(FileHostObject.JAVASCRIPT_FILE_MANAGER));
clone.addProperty(
Constants.JAGGERY_CORE_MANAGER, shared.getProperty(Constants.JAGGERY_CORE_MANAGER));
clone.addProperty(Constants.JAGGERY_INCLUDED_SCRIPTS, new HashMap<String, Boolean>());
clone.addProperty(Constants.JAGGERY_INCLUDES_CALLSTACK, new Stack<String>());
clone.addProperty(Constants.JAGGERY_REQUIRED_MODULES, new HashMap<String, ScriptableObject>());
CommonManager.setJaggeryContext(clone);
return clone;
}
public static ScriptableObject require(
Context cx, Scriptable thisObj, Object[] args, Function funObj)
throws ScriptException, IOException {
String functionName = "require";
int argsCount = args.length;
if (argsCount != 1) {
HostObjectUtil.invalidNumberOfArgs(HOST_OBJECT_NAME, functionName, argsCount, false);
}
if (!(args[0] instanceof String)) {
HostObjectUtil.invalidArgsError(
HOST_OBJECT_NAME, functionName, "1", "string", args[0], false);
}
String moduleName = (String) args[0];
JaggeryContext context = getJaggeryContext();
// RhinoEngine engine = context.getEngine();
// ScriptableObject scope = context.getScope();
CommonManager manager = (CommonManager) context.getProperty(Constants.JAGGERY_CORE_MANAGER);
ModuleManager moduleManager = manager.getModuleManager();
JavaScriptModule module = moduleManager.getModule(moduleName);
if (module == null) {
String msg = "A module cannot be found with the specified name : " + moduleName;
log.error(msg);
throw new ScriptException(msg);
}
ScriptableObject object = (ScriptableObject) cx.newObject(thisObj);
object.setPrototype(thisObj);
object.setParentScope(thisObj);
exposeModule(cx, object, module);
return object;
}
public static void clearInterval(
final Context cx, final Scriptable thisObj, Object[] args, Function funObj)
throws ScriptException {
JaggeryContext context = CommonManager.getJaggeryContext();
ServletContext servletContext = (ServletContext) context.getProperty(Constants.SERVLET_CONTEXT);
String contextPath = servletContext.getContextPath();
RhinoTopLevel.clearTimeout(cx, thisObj, args, funObj);
List<String> taskIds = intervals.get(contextPath);
taskIds.remove(String.valueOf(args[0]));
}
public static ScriptableObject require(
Context cx, Scriptable thisObj, Object[] args, Function funObj)
throws ScriptException, IOException {
String functionName = "require";
int argsCount = args.length;
if (argsCount != 1) {
HostObjectUtil.invalidNumberOfArgs(
CommonManager.HOST_OBJECT_NAME, functionName, argsCount, false);
}
if (!(args[0] instanceof String)) {
HostObjectUtil.invalidArgsError(
CommonManager.HOST_OBJECT_NAME, functionName, "1", "string", args[0], false);
}
String moduleId = (String) args[0];
int dotIndex = moduleId.lastIndexOf(".");
if (moduleId.length() == dotIndex + 1) {
String msg = "Invalid file path for require method : " + moduleId;
log.error(msg);
throw new ScriptException(msg);
}
JaggeryContext jaggeryContext = CommonManager.getJaggeryContext();
Map<String, ScriptableObject> requiredModules =
(Map<String, ScriptableObject>)
jaggeryContext.getProperty(Constants.JAGGERY_REQUIRED_MODULES);
ScriptableObject object = requiredModules.get(moduleId);
if (object != null) {
return object;
}
if (dotIndex == -1) {
object = CommonManager.require(cx, thisObj, args, funObj);
initModule(cx, jaggeryContext, moduleId, object);
} else {
object = (ScriptableObject) cx.newObject(thisObj);
object.setPrototype(thisObj);
object.setParentScope(null);
String ext = moduleId.substring(dotIndex + 1);
if (ext.equalsIgnoreCase("json")) {
object = executeScript(jaggeryContext, object, moduleId, true, true, false);
} else if (ext.equalsIgnoreCase("js")) {
object = executeScript(jaggeryContext, object, moduleId, false, true, false);
} else if (ext.equalsIgnoreCase("jag")) {
object = executeScript(jaggeryContext, object, moduleId, false, false, false);
} else {
String msg = "Unsupported file type for require() method : ." + ext;
log.error(msg);
throw new ScriptException(msg);
}
}
requiredModules.put(moduleId, object);
return object;
}
public static String setInterval(
final Context cx, final Scriptable thisObj, Object[] args, Function funObj)
throws ScriptException {
JaggeryContext context = CommonManager.getJaggeryContext();
ServletContext servletContext = (ServletContext) context.getProperty(Constants.SERVLET_CONTEXT);
String contextPath = servletContext.getContextPath();
String taskId = RhinoTopLevel.setInterval(cx, thisObj, args, funObj);
List<String> taskIds = intervals.get(contextPath);
if (taskIds == null) {
taskIds = new ArrayList<String>();
intervals.put(contextPath, taskIds);
}
taskIds.add(taskId);
return taskId;
}
/** JaggeryMethod responsible of writing to the output stream */
public static void print(Context cx, Scriptable thisObj, Object[] args, Function funObj)
throws ScriptException {
if (!isWebSocket) {
JaggeryContext jaggeryContext = CommonManager.getJaggeryContext();
// If the script itself havent set the content type we set the default content type to be
// text/html
HttpServletResponse servletResponse =
(HttpServletResponse) jaggeryContext.getProperty(SERVLET_RESPONSE);
if (servletResponse.getContentType() == null) {
servletResponse.setContentType(DEFAULT_CONTENT_TYPE);
}
if (servletResponse.getCharacterEncoding() == null) {
servletResponse.setCharacterEncoding(DEFAULT_CHAR_ENCODING);
}
CommonManager.print(cx, thisObj, args, funObj);
}
}
/** JaggeryMethod responsible of writing to the output stream */
public static void print(Context cx, Scriptable thisObj, Object[] args, Function funObj)
throws ScriptException {
String functionName = "print";
JaggeryContext jaggeryContext = getJaggeryContext();
int argsCount = args.length;
if (argsCount != 1) {
HostObjectUtil.invalidNumberOfArgs("RhinoTopLevel", functionName, argsCount, false);
}
OutputStream out =
(OutputStream) jaggeryContext.getProperty(CommonManager.JAGGERY_OUTPUT_STREAM);
if (args[0] instanceof StreamHostObject) {
InputStream in = ((StreamHostObject) args[0]).getStream();
try {
byte[] buffer = new byte[BYTE_BUFFER_SIZE];
int count;
while ((count = in.read(buffer)) != -1) {
out.write(buffer, 0, count);
}
in.close();
} catch (IOException e) {
log.debug(e.getMessage(), e);
throw new ScriptException(e);
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
log.debug(e.getMessage(), e);
}
}
}
} else {
try {
out.write(HostObjectUtil.serializeObject(args[0]).getBytes());
} catch (IOException e) {
log.debug(e.getMessage(), e);
throw new ScriptException(e);
}
}
}
private static ScriptableObject executeScript(
JaggeryContext jaggeryContext,
ScriptableObject scope,
String fileURL,
final boolean isJSON,
boolean isBuilt,
boolean isIncludeOnce)
throws ScriptException {
Stack<String> includesCallstack = CommonManager.getCallstack(jaggeryContext);
Map<String, Boolean> includedScripts = CommonManager.getIncludes(jaggeryContext);
ServletContext context = (ServletContext) jaggeryContext.getProperty(Constants.SERVLET_CONTEXT);
String parent = includesCallstack.lastElement();
String keys[] = WebAppManager.getKeys(context.getContextPath(), parent, fileURL);
fileURL = getNormalizedScriptPath(keys);
if (includesCallstack.search(fileURL) != -1) {
return scope;
}
if (isIncludeOnce && includedScripts.get(fileURL) != null) {
return scope;
}
ScriptReader source;
RhinoEngine engine = jaggeryContext.getEngine();
if (isBuilt) {
source =
new ScriptReader(context.getResourceAsStream(fileURL)) {
@Override
protected void build() throws IOException {
try {
if (isJSON) {
sourceReader =
new StringReader("(" + HostObjectUtil.streamToString(sourceIn) + ")");
} else {
sourceReader = new StringReader(HostObjectUtil.streamToString(sourceIn));
}
} catch (ScriptException e) {
throw new IOException(e);
}
}
};
} else {
source = new ScriptReader(context.getResourceAsStream(fileURL));
}
ScriptCachingContext sctx =
new ScriptCachingContext(jaggeryContext.getTenantId(), keys[0], keys[1], keys[2]);
sctx.setSecurityDomain(new JaggerySecurityDomain(fileURL, context));
long lastModified = WebAppManager.getScriptLastModified(context, fileURL);
sctx.setSourceModifiedTime(lastModified);
includedScripts.put(fileURL, true);
includesCallstack.push(fileURL);
if (isJSON) {
scope = (ScriptableObject) engine.eval(source, scope, sctx);
} else {
engine.exec(source, scope, sctx);
}
includesCallstack.pop();
return scope;
}
public static Stack<String> getCallstack(JaggeryContext jaggeryContext) {
return (Stack<String>) jaggeryContext.getProperty(Constants.JAGGERY_INCLUDES_CALLSTACK);
}
public static Map<String, Boolean> getIncludes(JaggeryContext jaggeryContext) {
return (Map<String, Boolean>) jaggeryContext.getProperty(Constants.JAGGERY_INCLUDED_SCRIPTS);
}
