public static void initContext(JaggeryContext context) throws ScriptException {
context.setEngine(manager.engine);
context.setScope(manager.engine.getRuntimeScope());
context.setTenantId(
Integer.toString(PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId()));
context.addProperty(Constants.JAGGERY_CORE_MANAGER, manager);
context.addProperty(Constants.JAGGERY_INCLUDED_SCRIPTS, new HashMap<String, Boolean>());
context.addProperty(Constants.JAGGERY_INCLUDES_CALLSTACK, new Stack<String>());
}
private static JaggeryContext createJaggeryContext(
Context cx,
OutputStream out,
String scriptPath,
HttpServletRequest request,
HttpServletResponse response) {
ServletContext servletContext = request.getServletContext();
JaggeryContext context = clonedJaggeryContext(servletContext);
context.addProperty(SERVLET_REQUEST, request);
context.addProperty(SERVLET_RESPONSE, response);
CommonManager.getCallstack(context).push(scriptPath);
CommonManager.getIncludes(context).put(scriptPath, true);
context.addProperty(CommonManager.JAGGERY_OUTPUT_STREAM, out);
defineProperties(cx, context, context.getScope());
return context;
}
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 void deploy(org.apache.catalina.Context context) throws ScriptException {
ServletContext ctx = context.getServletContext();
JaggeryContext sharedContext = new JaggeryContext();
Context cx = Context.getCurrentContext();
CommonManager.initContext(sharedContext);
sharedContext.addProperty(Constants.SERVLET_CONTEXT, ctx);
sharedContext.addProperty(FileHostObject.JAVASCRIPT_FILE_MANAGER, new WebAppFileManager(ctx));
sharedContext.addProperty(
Constants.JAGGERY_REQUIRED_MODULES, new HashMap<String, ScriptableObject>());
String logLevel = (String) ctx.getAttribute(LogHostObject.LOG_LEVEL);
if (logLevel != null) {
sharedContext.addProperty(LogHostObject.LOG_LEVEL, logLevel);
}
ScriptableObject sharedScope = sharedContext.getScope();
JavaScriptProperty application = new JavaScriptProperty("application");
application.setValue(cx.newObject(sharedScope, "Application", new Object[] {ctx}));
application.setAttribute(ScriptableObject.READONLY);
RhinoEngine.defineProperty(sharedScope, application);
ctx.setAttribute(SHARED_JAGGERY_CONTEXT, sharedContext);
}
public static void execute(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
String scriptPath = getScriptPath(request);
InputStream sourceIn = request.getServletContext().getResourceAsStream(scriptPath);
if (sourceIn == null) {
response.sendError(HttpServletResponse.SC_NOT_FOUND, request.getRequestURI());
return;
}
RhinoEngine engine = null;
try {
engine = CommonManager.getInstance().getEngine();
Context cx = engine.enterContext();
// Creating an OutputStreamWritter to write content to the servletResponse
OutputStream out = response.getOutputStream();
JaggeryContext context = createJaggeryContext(cx, out, scriptPath, request, response);
context.addProperty(
FileHostObject.JAVASCRIPT_FILE_MANAGER,
new WebAppFileManager(request.getServletContext()));
CommonManager.getInstance()
.getEngine()
.exec(
new ScriptReader(sourceIn),
context.getScope(),
getScriptCachingContext(request, scriptPath));
// out.flush();
} catch (ScriptException e) {
String msg = e.getMessage();
log.error(msg, e);
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, msg);
} finally {
// Exiting from the context
if (engine != null) {
RhinoEngine.exitContext();
}
}
}
