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 String jsFunction_readAll(
Context cx, Scriptable thisObj, Object[] args, Function funObj) throws ScriptException {
String functionName = "readAll";
int argsCount = args.length;
if (argsCount != 0) {
HostObjectUtil.invalidNumberOfArgs(hostObjectName, functionName, argsCount, false);
}
FileHostObject fho = (FileHostObject) thisObj;
return fho.file.readAll();
}
public static Scriptable jsFunction_getStream(
Context cx, Scriptable thisObj, Object[] args, Function funObj) throws ScriptException {
String functionName = "getStream";
int argsCount = args.length;
if (argsCount != 0) {
HostObjectUtil.invalidNumberOfArgs(hostObjectName, functionName, argsCount, false);
}
FileHostObject fho = (FileHostObject) thisObj;
return fho.context.newObject(thisObj, "Stream", new Object[] {fho.file.getInputStream()});
}
public static void jsFunction_close(
Context cx, Scriptable thisObj, Object[] args, Function funObj) throws ScriptException {
String functionName = "close";
int argsCount = args.length;
if (argsCount != 0) {
HostObjectUtil.invalidNumberOfArgs(hostObjectName, functionName, argsCount, false);
}
FileHostObject fho = (FileHostObject) thisObj;
fho.file.close();
}
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 void jsFunction_write(
Context cx, Scriptable thisObj, Object[] args, Function funObj) // NOPMD
throws ScriptException {
String functionName = "write";
int argsCount = args.length;
if (argsCount != 1) {
HostObjectUtil.invalidNumberOfArgs(hostObjectName, functionName, argsCount, false);
}
String data = HostObjectUtil.serializeObject(args[0]);
FileHostObject fho = (FileHostObject) thisObj;
fho.file.write(data);
}
public static String jsFunction_read(
Context cx, Scriptable thisObj, Object[] args, Function funObj) throws ScriptException {
String functionName = "read";
int argsCount = args.length;
if (argsCount != 1) {
HostObjectUtil.invalidNumberOfArgs(hostObjectName, functionName, argsCount, false);
}
if (!(args[0] instanceof Number)) {
HostObjectUtil.invalidArgsError(hostObjectName, functionName, "1", "string", args[0], false);
}
FileHostObject fho = (FileHostObject) thisObj;
int count = ((Number) args[0]).intValue();
return fho.file.read(count);
}
public static void jsFunction_open(
Context cx, Scriptable thisObj, Object[] args, Function funObj) // NOPMD
throws ScriptException {
String functionName = "open";
int argsCount = args.length;
if (argsCount != 1) {
HostObjectUtil.invalidNumberOfArgs(hostObjectName, functionName, argsCount, false);
}
if (!(args[0] instanceof String)) {
HostObjectUtil.invalidArgsError(hostObjectName, functionName, "1", "string", args[0], false);
}
FileHostObject fho = (FileHostObject) thisObj;
fho.file.open((String) args[0]);
}
public static boolean jsFunction_saveAs(
Context cx, Scriptable thisObj, Object[] args, Function funObj) throws ScriptException {
String functionName = "saveAs";
int argsCount = args.length;
if (argsCount != 1) {
HostObjectUtil.invalidNumberOfArgs(hostObjectName, functionName, argsCount, false);
}
if (!(args[0] instanceof String)) {
HostObjectUtil.invalidArgsError(hostObjectName, functionName, "1", "string", args[0], false);
}
FileHostObject fho = (FileHostObject) thisObj;
return fho.file.saveAs((String) args[0]);
}
public static String jsFunction_getContentType(
Context cx, Scriptable thisObj, Object[] args, Function funObj) throws ScriptException {
String functionName = "getContentType";
int argsCount = args.length;
if (argsCount != 0) {
HostObjectUtil.invalidNumberOfArgs(hostObjectName, functionName, argsCount, false);
}
FileHostObject fho = (FileHostObject) thisObj;
if (!mimeMapLoaded) {
FileTypeMap.setDefaultFileTypeMap(loadMimeMap());
mimeMapLoaded = true;
}
return fho.file.getContentType();
}
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 param = (String) args[0];
int dotIndex = param.lastIndexOf(".");
if (param.length() == dotIndex + 1) {
String msg = "Invalid file path for require method : " + param;
log.error(msg);
throw new ScriptException(msg);
}
if (dotIndex == -1) {
ScriptableObject object = CommonManager.require(cx, thisObj, args, funObj);
initModule(cx, CommonManager.getJaggeryContext(), param, object);
return object;
}
JaggeryContext jaggeryContext = CommonManager.getJaggeryContext();
ScriptableObject object = (ScriptableObject) cx.newObject(thisObj);
object.setPrototype(thisObj);
object.setParentScope(null);
String ext = param.substring(dotIndex + 1);
if (ext.equalsIgnoreCase("json")) {
return executeScript(jaggeryContext, object, param, true, true, false);
} else if (ext.equalsIgnoreCase("js")) {
return executeScript(jaggeryContext, object, param, false, true, false);
} else if (ext.equalsIgnoreCase("jag")) {
return executeScript(jaggeryContext, object, param, false, false, false);
} else {
String msg = "Unsupported file type for require() method : ." + ext;
log.error(msg);
throw new ScriptException(msg);
}
}
public static Scriptable jsConstructor(
Context cx, Object[] args, Function ctorObj, boolean inNewExpr) throws ScriptException {
int argsCount = args.length;
if (argsCount != 1) {
HostObjectUtil.invalidNumberOfArgs(hostObjectName, hostObjectName, argsCount, true);
}
FileHostObject fho = new FileHostObject();
Object obj = cx.getThreadLocal(JAVASCRIPT_FILE_MANAGER);
if (obj instanceof JavaScriptFileManager) {
fho.manager = (JavaScriptFileManager) obj;
} else {
fho.manager = new JavaScriptFileManagerImpl();
}
fho.file = fho.manager.getJavaScriptFile(args[0]);
fho.file.construct();
fho.context = cx;
return fho;
}
/** 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);
}
}
}
public static void include_once(Context cx, Scriptable thisObj, Object[] args, Function funObj)
throws ScriptException {
String functionName = "include_once";
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);
}
JaggeryContext jaggeryContext = CommonManager.getJaggeryContext();
Stack<String> includesCallstack = CommonManager.getCallstack(jaggeryContext);
String parent = includesCallstack.lastElement();
String fileURL = (String) args[0];
if (CommonManager.isHTTP(fileURL) || CommonManager.isHTTP(parent)) {
CommonManager.include_once(cx, thisObj, args, funObj);
return;
}
executeScript(jaggeryContext, jaggeryContext.getScope(), fileURL, false, false, true);
}
public static void include(Context cx, Scriptable thisObj, Object[] args, Function funObj)
throws ScriptException {
String functionName = "include";
int argsCount = args.length;
if (argsCount != 1 && argsCount != 2) {
HostObjectUtil.invalidNumberOfArgs(HOST_OBJECT_NAME, functionName, argsCount, false);
}
if (!(args[0] instanceof String)) {
HostObjectUtil.invalidArgsError(
HOST_OBJECT_NAME, functionName, "1", "string", args[0], false);
}
if (argsCount == 2 && !(args[1] instanceof ScriptableObject)) {
HostObjectUtil.invalidArgsError(
HOST_OBJECT_NAME, functionName, "2", "Object", args[1], false);
}
JaggeryContext jaggeryContext = getJaggeryContext();
RhinoEngine engine = jaggeryContext.getEngine();
if (engine == null) {
log.error("Rhino Engine in Jaggery context is null");
throw new ScriptException("Rhino Engine in Jaggery context is null");
}
Stack<String> includesCallstack = getCallstack(jaggeryContext);
Map<String, Boolean> includedScripts = getIncludes(jaggeryContext);
String parent = includesCallstack.lastElement();
String fileURL = (String) args[0];
if (isHTTP(fileURL) || isHTTP(parent)) {
if (!isHTTP(fileURL)) {
fileURL = parent + fileURL;
}
if (includesCallstack.search(fileURL) != -1) {
return;
}
ScriptReader source;
ScriptableObject scope;
if (argsCount == 2) {
scope = (ScriptableObject) args[1];
} else {
scope = jaggeryContext.getScope();
}
// this is a remote file url
try {
URL url = new URL(fileURL);
url.openConnection();
source = new ScriptReader(url.openStream());
includedScripts.put(fileURL, true);
includesCallstack.push(fileURL);
engine.exec(source, scope, null);
includesCallstack.pop();
} catch (MalformedURLException e) {
String msg = "Malformed URL. function : import, url : " + fileURL;
log.warn(msg, e);
throw new ScriptException(msg, e);
} catch (IOException e) {
String msg = "IO exception while importing content from url : " + fileURL;
log.warn(msg, e);
throw new ScriptException(msg, e);
}
} else {
String msg = "Unsupported file include : " + fileURL;
throw new ScriptException(msg);
}
}