public static TiResponse createReturnType(object value)
{
Type type = value == null ? null : value.GetType();
TiResponse response = new TiResponse();
string handle = null;
if (value == null || type.IsPrimitive || type == typeof(string) || type == typeof(decimal))
{
response["primitiveValue"] = value;
return(response);
}
foreach (string key in instances.Keys)
{
if (instances[key].Equals(value))
{
handle = key;
break;
}
}
if (handle == null)
{
handle = createHandle(value);
}
response["handle"] = handle;
return(response);
}
public static TiResponse createReturnType(object value)
{
Type type = value == null ? null : value.GetType();
TiResponse response = new TiResponse();
string handle = null;
if (value == null || type.IsPrimitive || type == typeof(string) || type == typeof(decimal)) {
response["primitiveValue"] = value;
return response;
}
foreach (string key in instances.Keys) {
if (instances[key].Equals(value)) {
handle = key;
break;
}
}
if (handle == null) {
handle = createHandle(value);
}
response["handle"] = handle;
return response;
}
private void browser_ScriptNotify(object sender, NotifyEventArgs e)
{
try {
TiRequest request = JsonConvert.DeserializeObject <TiRequest>(e.Value);
TiResponse response;
if (request.stoken != this.securityToken)
{
// token mismatch, ignore request
return;
}
try {
if (request.type == null)
{
throw new Exception("Request Exception: Missing request \"type\" param");
}
if (!requestHandlers.ContainsKey(request.type))
{
throw new Exception("Request Exception: Invalid request type \"" + request.type + "\"");
}
if (request.data == null)
{
throw new Exception("Request Exception: Missing request \"data\" param");
}
response = requestHandlers[request.type].process(request.data);
} catch (Exception ex) {
response = new TiResponse();
response["error"] = ex.ToString();
}
// if the handler doesn't have a response, then just return
if (response == null)
{
return;
}
// if the request has a token, then add it to the response
if (request.rtoken != null)
{
response["rtoken"] = request.rtoken;
}
// pass the response back to the browser
browser.InvokeScript("execScript", new string[] { "tiwp8.handleResponse(" + JsonConvert.SerializeObject(response, Formatting.None) + ")" });
} catch { }
}
private void eventHandler(Object sender, EventArgs e, String eventName, String handle, WebBrowser browser)
{
TiResponse response = new TiResponse();
response["_hnd"] = handle;
response["type"] = eventName;
string senderHandle = "";
bool senderExists = InstanceRegistry.containsInstance(sender);
if (senderExists)
{
senderHandle = InstanceRegistry.getInstanceHandleByValue(sender);
}
else
{
senderHandle = InstanceRegistry.createHandle(sender);
}
response["sender"] = senderHandle;
string eventArgsHandle = "";
bool eventArgsExists = InstanceRegistry.containsInstance(e);
if (eventArgsExists)
{
eventArgsHandle = InstanceRegistry.getInstanceHandleByValue(e);
}
else
{
eventArgsHandle = InstanceRegistry.createHandle(e);
}
response["eventArgs"] = eventArgsHandle;
response["error"] = null;
if (e.GetType() == typeof(ErrorEventArgs))
{
response["error"] = ((ErrorEventArgs)e).error;
}
browser.InvokeScript("execScript", new string[] { "tiwp8.fireEvent(" + JsonConvert.SerializeObject(response, Formatting.None) + ")" });
if (!senderExists)
{
InstanceRegistry.removeInstance(senderHandle);
}
if (!eventArgsExists)
{
InstanceRegistry.removeInstance(eventArgsHandle);
}
}
public TiResponse process(TiRequestParams data)
{
if (!data.ContainsKey("file"))
{
throw new FileRequestException("Request missing 'file' param");
}
string file = collapsePath((string)data["file"]);
if (file.IndexOf("..") == 0)
{
throw new FileRequestException("The requested file must not begin with \"..\"");
}
file = "App/" + file;
if (!File.Exists(file))
{
throw new FileRequestException("File \"" + file + "\" does not exist");
}
bool isBinary = false;
if (data.ContainsKey("isBinary"))
{
isBinary = (bool)data["isBinary"];
}
TiResponse response = new TiResponse();
response["file"] = file;
if (isBinary)
{
var filestream = new FileStream(file, FileMode.Open);
byte[] bytes = new byte[filestream.Length];
filestream.Read(bytes, 0, (int)filestream.Length);
response["encoding"] = "base64";
response["contents"] = Convert.ToBase64String(bytes);
}
else
{
response["contents"] = (new StreamReader(file)).ReadToEnd();
}
return(response);
}
public static TiResponse createReturnType(object value)
{
Type type = value == null ? null : value.GetType();
TiResponse response = new TiResponse();
if (value == null || type.IsPrimitive || type == typeof(string) || type == typeof(decimal)) {
response["primitiveValue"] = value;
return response;
}
if (instances.ContainsValue(value)) {
response["handle"] = instances.FirstOrDefault(x => x.Value == value).Key;
return response;
}
string handle = createHandle(value);
response["handle"] = handle;
return response;
}
void browser_ScriptNotify(object sender, NotifyEventArgs e)
{
TiRequest request = JsonConvert.DeserializeObject<TiRequest>(e.Value);
TiResponse response;
try {
if (request.type == null) {
throw new Exception("Request Exception: Missing request \"type\" param");
}
if (!requestHandlers.ContainsKey(request.type)) {
throw new Exception("Request Exception: Invalid request type \"" + request.type + "\"");
}
if (request.data == null) {
throw new Exception("Request Exception: Missing request \"data\" param");
}
response = requestHandlers[request.type].process(request.data);
} catch (Exception ex) {
response = new TiResponse();
response["error"] = ex.ToString();
}
// if the handler doesn't have a response, then just return
if (response == null) {
return;
}
// if the request has a token, then add it to the response
if (request.token != null) {
response["token"] = request.token;
}
// pass the response back to the browser
try {
browser.InvokeScript("execScript", new string[] { "tiwp8.handleResponse(" + JsonConvert.SerializeObject(response, Formatting.None) + ")" });
} catch { }
}
public TiResponse process(TiRequestParams data)
{
if (!data.ContainsKey("file")) {
throw new FileRequestException("Request missing 'file' param");
}
string file = collapsePath((string)data["file"]);
if (file.IndexOf("..") == 0) {
throw new FileRequestException("The requested file must not begin with \"..\"");
}
file = "App/" + file;
if (!File.Exists(file)) {
throw new FileRequestException("File \"" + file + "\" does not exist");
}
bool isBinary = false;
if (data.ContainsKey("isBinary")) {
isBinary = (bool)data["isBinary"];
}
TiResponse response = new TiResponse();
response["file"] = file;
if (isBinary) {
var filestream = new FileStream(file, FileMode.Open);
byte[] bytes = new byte[filestream.Length];
filestream.Read(bytes, 0, (int)filestream.Length);
response["encoding"] = "base64";
response["contents"] = Convert.ToBase64String(bytes);
} else {
response["contents"] = (new StreamReader(file)).ReadToEnd();
}
return response;
}
private void eventHandler(Object sender, EventArgs e, String eventName, String handle, WebBrowser browser)
{
TiResponse response = new TiResponse();
response["_hnd"] = handle;
response["type"] = eventName;
if ((uint)instanceCount + 1 > UInt32.MaxValue) {
throw new Exception("Reflection Handler Exception: Maximum instance count exceeded");
}
string senderHandle = instanceCount++.ToString();
instances[senderHandle] = sender;
response["sender"] = senderHandle;
string eventArgsHandle = instanceCount++.ToString();
instances[eventArgsHandle] = e;
response["eventArgs"] = eventArgsHandle;
browser.InvokeScript("execScript", new string[] { "tiwp8.fireEvent(" + JsonConvert.SerializeObject(response, Formatting.None) + ")" });
instances.Remove(senderHandle);
instances.Remove(eventArgsHandle);
}
public TiResponse process(TiRequestParams data) {
if (!data.ContainsKey("url")) {
throw new DownloadException("Request missing 'url' param");
}
string url = (string)data["url"];
if (!url.StartsWith("http://") && !url.StartsWith("https://")) {
throw new DownloadException("'url' param must start with 'http://' or 'https://'");
}
string saveTo = "";
int p;
if (data.ContainsKey("saveTo")) {
saveTo = (string)data["saveTo"];
} else {
// try to determine the filename based on the URL
p = url.LastIndexOf('/');
if (p > 8 && p != -1) { // make sure the last / is after the ://
saveTo = url.Substring(p + 1);
} else {
throw new DownloadException("Request missing 'saveTo' param");
}
}
if (saveTo == null || saveTo == "") {
throw new DownloadException("Invalid 'saveTo' param");
}
saveTo = saveTo.Replace('\\', '/');
IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication();
p = saveTo.LastIndexOf('\\');
if (p != -1) {
string dir = saveTo.Substring(0, p);
try {
if (!isf.DirectoryExists(dir)) {
isf.CreateDirectory(dir);
}
} catch (IsolatedStorageException ise) {
throw new DownloadException("Unable to create destination directory '" + dir + "' because of insufficient permissions or the isolated storage has been disabled or removed");
}
}
if (isf.FileExists(saveTo)) {
if (data.ContainsKey("overwrite") && (bool)data["overwrite"]) {
isf.DeleteFile(saveTo);
} else {
throw new DownloadException("File '" + saveTo + "' already exists");
}
}
IsolatedStorageFileStream fileStream = null;
try {
fileStream = isf.CreateFile(saveTo);
} catch (IsolatedStorageException ise) {
throw new DownloadException("Unable to create file '" + saveTo + "' because the isolated storage has been disabled or removed");
} catch (DirectoryNotFoundException dnfe) {
throw new DownloadException("Unable to create file '" + saveTo + "' because the directory does not exist");
} catch (ObjectDisposedException dnfe) {
throw new DownloadException("Unable to create file '" + saveTo + "' because the isolated storage has been disposed");
}
TiResponse response = new TiResponse();
DownloadFile df = new DownloadFile(SynchronizationContext.Current, new Uri(url), fileStream);
response["handle"] = InstanceRegistry.createHandle(df);
return response;
}
private TiResponse property(TiRequestParams data)
{
if (!data.ContainsKey("handle"))
{
throw new ReflectionException("\"property\" request missing \"handle\" param");
}
string handle = (string)data["handle"];
object instance = InstanceRegistry.getInstance(handle);
if (instance == null)
{
throw new ReflectionException("\"property\" request invalid handle \"" + handle + "\"");
}
if (!data.ContainsKey("name"))
{
throw new ReflectionException("\"property\" request missing \"name\" param");
}
var obj = data["name"];
if (obj == null)
{
throw new ReflectionException("\"property\" request \"name\" is null");
}
Type instanceType = instance.GetType();
Type propType = instanceType.GetType();
TiResponse response = new TiResponse();
response["value"] = null;
switch (obj.GetType().ToString())
{
case "Newtonsoft.Json.Linq.JArray":
{
// get multiple props
JArray arr = (JArray)obj;
Dictionary <string, TiResponse> value = new Dictionary <string, TiResponse>();
for (var i = 0; i < arr.Count; i++)
{
string propName = arr[i].ToString();
var propertyInfo = instanceType.GetProperty(propName);
if (propertyInfo == null)
{
throw new ReflectionException("Invalid property \"" + propName + "\"");
}
object val = propertyInfo.GetValue(instance);
value[propName] = InstanceRegistry.createReturnType(val);
}
response["value"] = value;
return(response);
}
case "Newtonsoft.Json.Linq.JObject":
{
// set multiple props
JObject props = (JObject)obj;
foreach (JProperty prop in props.Properties())
{
var propertyInfo = instanceType.GetProperty(prop.Name);
if (propertyInfo == null)
{
throw new ReflectionException("Invalid property \"" + prop.Name + "\"");
}
JObject value = (JObject)prop.Value;
if (value["valueHnd"] != null)
{
propertyInfo.SetValue(instance, InstanceRegistry.getInstance((string)value["valueHnd"]));
}
else if (value["valuePrimitive"] != null)
{
var valuePrimitive = value["valuePrimitive"];
if (propertyInfo.PropertyType == typeof(Uri))
{
propertyInfo.SetValue(instance, Convert.ChangeType(new Uri(valuePrimitive.ToObject <string>(), UriKind.RelativeOrAbsolute), propertyInfo.PropertyType));
}
else
{
propertyInfo.SetValue(instance, valuePrimitive.ToObject(propertyInfo.PropertyType));
}
}
}
return(null);
}
case "System.String":
{
string name = (string)obj;
var propertyInfo = instanceType.GetProperty(name);
if (propertyInfo == null)
{
throw new ReflectionException("Invalid property \"" + name + "\"");
}
// setting a single prop
if (data.ContainsKey("valueHnd") && data["valueHnd"] != null)
{
propertyInfo.SetValue(instance, InstanceRegistry.getInstance((string)data["valueHnd"]));
return(null);
}
else if (data.ContainsKey("valuePrimitive"))
{
var valuePrimitive = data["valuePrimitive"];
if (propertyInfo.PropertyType == typeof(Uri))
{
valuePrimitive = new Uri((string)valuePrimitive, UriKind.RelativeOrAbsolute);
}
propertyInfo.SetValue(instance, Convert.ChangeType(valuePrimitive, propertyInfo.PropertyType));
return(null);
}
// getting a single prop
object val = propertyInfo.GetValue(instance);
return(InstanceRegistry.createReturnType(val));
}
}
return(null);
}
private TiResponse invokeStaticAsync(TiRequestParams data)
{
if (!data.ContainsKey("className"))
{
throw new ReflectionException("\"invokeStatic\" request missing \"className\" param");
}
string className = (string)data["className"];
var classType = InstanceRegistry.lookupType(className);
if (classType == null)
{
throw new ReflectionException("\"invokeStatic\" request invalid classname \"" + className + "\"");
}
if (!data.ContainsKey("method"))
{
throw new ReflectionException("\"invokeStatic\" request missing \"method\" param");
}
if (!data.ContainsKey("args"))
{
throw new ReflectionException("\"invokeStatic\" request missing \"args\" param");
}
JArray args = (JArray)data["args"];
if (args.Count % 2 != 0)
{
throw new ReflectionException("\"invokeStatic\" request arguments must contain an even number of type-values");
}
// create the argument types array
Type[] fnArgumentTypes = new Type[args.Count / 2];
for (int i = 0, j = 0; i < args.Count; i += 2, j++)
{
fnArgumentTypes[j] = InstanceRegistry.lookupType((string)args[i]);
}
// get the method info
MethodInfo methodInfo = classType.GetMethod((string)data["method"], fnArgumentTypes);
// create the argument values array
object[] fnArguments = new object[args.Count / 2];
for (int i = 1, j = 0; i < args.Count; i += 2, j++)
{
JObject arg = (JObject)args[i];
if (arg["valueHnd"] != null)
{
fnArguments[j] = InstanceRegistry.getInstance((string)arg["valueHnd"]);
}
else if (fnArgumentTypes[j] == typeof(Uri))
{
fnArguments[j] = new Uri((string)arg["valuePrimitive"], UriKind.RelativeOrAbsolute);
}
else
{
fnArguments[j] = ((JValue)arg["valuePrimitive"]).Value;
}
if (fnArguments[j] != null)
{
IConvertible convertible = fnArguments[j] as IConvertible;
if (convertible != null)
{
fnArguments[j] = Convert.ChangeType(fnArguments[j], fnArgumentTypes[j]);
}
}
}
TiResponse response = new TiResponse();
InvokeAsync ia = new InvokeAsync();
response["handle"] = InstanceRegistry.createHandle(ia);
ia.run(null, methodInfo, fnArguments);
return(response);
}
private TiResponse createInstance(TiRequestParams data)
{
if (!data.ContainsKey("className"))
{
throw new ReflectionException("\"createInstance\" request missing \"className\" param");
}
string className = (string)data["className"];
var classType = InstanceRegistry.lookupType(className);
if (classType == null)
{
throw new ReflectionException("\"createInstance\" request invalid classname \"" + classType + "\"");
}
if (!data.ContainsKey("args"))
{
throw new ReflectionException("\"createInstance\" request missing \"args\" param");
}
JArray args = (JArray)data["args"];
if (args.Count % 2 != 0)
{
throw new ReflectionException("\"createInstance\" request arguments must contain an even number of type-values");
}
// create the argument types array
Type[] ctorArgumentTypes = new Type[args.Count / 2];
for (int i = 0, j = 0; i < args.Count; i += 2, j++)
{
ctorArgumentTypes[j] = InstanceRegistry.lookupType((string)args[i]);
}
// create the argument values array
object[] ctorArguments = new object[args.Count / 2];
for (int i = 1, j = 0; i < args.Count; i += 2, j++)
{
JObject arg = (JObject)args[i];
if (arg["valueHnd"] != null)
{
ctorArguments[j] = InstanceRegistry.getInstance((string)arg["valueHnd"]);
}
else if (ctorArgumentTypes[j] == typeof(Uri))
{
ctorArguments[j] = new Uri((string)arg["valuePrimitive"], UriKind.RelativeOrAbsolute);
}
else
{
ctorArguments[j] = ((JValue)arg["valuePrimitive"]).Value;
}
if (ctorArguments[j] != null)
{
ctorArguments[j] = Convert.ChangeType(ctorArguments[j], ctorArgumentTypes[j]);
}
}
// Invoke the constructor and return the result
var instance = classType.GetConstructor(ctorArgumentTypes).Invoke(ctorArguments);
TiResponse response = new TiResponse();
response["handle"] = InstanceRegistry.createHandle(instance);
return(response);
}
private TiResponse property(TiRequestParams data)
{
if (!data.ContainsKey("handle")) {
throw new Exception("Reflection Handler Exception: \"property\" request missing \"handle\" param");
}
string handle = (string)data["handle"];
if (!instances.ContainsKey(handle)) {
throw new Exception("Reflection Handler Exception: \"property\" request invalid handle \"" + handle + "\"");
}
if (!data.ContainsKey("name")) {
throw new Exception("Reflection Handler Exception: \"property\" request missing \"name\" param");
}
var obj = data["name"];
if (obj == null) {
throw new Exception("Reflection Handler Exception: \"property\" request \"name\" is null");
}
var instance = instances[handle];
Type instanceType = instance.GetType();
Type propType = instanceType.GetType();
TiResponse response = new TiResponse();
response["value"] = null;
switch (obj.GetType().ToString()) {
case "Newtonsoft.Json.Linq.JArray":
{
// get multiple props
JArray arr = (JArray)obj;
Dictionary<string, TiResponse> value = new Dictionary<string, TiResponse>();
for (var i = 0; i < arr.Count; i++) {
string propName = arr[i].ToString();
object val = instanceType.GetProperty(propName).GetValue(instance);
value[propName] = createReturnType(val.GetType(), val);
}
response["value"] = value;
return response;
}
case "Newtonsoft.Json.Linq.JObject":
{
// set multiple props
JObject props = (JObject)obj;
foreach (JProperty prop in props.Properties()) {
var propertyInfo = instanceType.GetProperty(prop.Name);
JObject value = (JObject)prop.Value;
if (value["valueHnd"] != null) {
propertyInfo.SetValue(instance, instances[(string)value["valueHnd"]]);
} else if (value["valuePrimitive"] != null) {
var valuePrimitive = value["valuePrimitive"];
if (propertyInfo.PropertyType == typeof(Uri)) {
propertyInfo.SetValue(instance, Convert.ChangeType(new Uri(valuePrimitive.ToObject<string>(), UriKind.RelativeOrAbsolute), propertyInfo.PropertyType));
} else {
propertyInfo.SetValue(instance, valuePrimitive.ToObject(propertyInfo.PropertyType));
}
}
}
return null;
}
case "System.String":
{
string name = (string)obj;
var propertyInfo = instanceType.GetProperty(name);
// setting a single prop
if (data.ContainsKey("valueHnd") && data["valueHnd"] != null) {
propertyInfo.SetValue(instance, instances[(string)data["valueHnd"]]);
return null;
} else if (data.ContainsKey("valuePrimitive")) {
var valuePrimitive = data["valuePrimitive"];
if (propertyInfo.PropertyType == typeof(Uri)) {
valuePrimitive = new Uri((string)valuePrimitive, UriKind.RelativeOrAbsolute);
}
propertyInfo.SetValue(instance, Convert.ChangeType(valuePrimitive, propertyInfo.PropertyType));
return null;
}
// getting a single prop
object val = propertyInfo.GetValue(instance);
return createReturnType(val.GetType(), val);
}
}
return null;
}
private TiResponse createReturnType(Type type, object value)
{
TiResponse response = new TiResponse();
if (value == null || type.IsPrimitive || type == typeof(string) || type == typeof(decimal)) {
response["primitiveValue"] = value;
return response;
}
if (instances.ContainsValue(value)) {
response["handle"] = instances.FirstOrDefault(x => x.Value == value).Key;
return response;
}
if ((uint)instanceCount > UInt32.MaxValue) {
throw new Exception("Reflection Handler Exception: Maximum instance count exceeded");
}
string handle = instanceCount++.ToString();
instances[handle] = value;
response["handle"] = handle;
return response;
}
private TiResponse createInstance(TiRequestParams data)
{
if (!data.ContainsKey("className")) {
throw new Exception("Reflection Handler Exception: \"createInstance\" request missing \"className\" param");
}
string className = (string)data["className"];
var classType = lookupType(className);
if (classType == null) {
throw new Exception("Reflection Handler Exception: \"createInstance\" request invalid classname \"" + classType + "\"");
}
if (!data.ContainsKey("args")) {
throw new Exception("Reflection Handler Exception: \"createInstance\" request missing \"args\" param");
}
JArray args = (JArray)data["args"];
if (args.Count % 2 != 0) {
throw new Exception("Reflection Handler Exception: \"createInstance\" request arguments must contain an even number of type-values");
}
// create the argument types array
Type[] ctorArgumentTypes = new Type[args.Count / 2];
for (int i = 0, j = 0; i < args.Count; i += 2, j++) {
ctorArgumentTypes[j] = lookupType((string)args[i]);
}
// create the argument values array
object[] ctorArguments = new object[args.Count / 2];
for (int i = 1, j = 0; i < args.Count; i += 2, j++) {
JObject arg = (JObject)args[i];
if (arg["valueHnd"] != null) {
ctorArguments[j] = instances[(string)arg["valueHnd"]];
} else if (ctorArgumentTypes[j] == typeof(Uri)) {
ctorArguments[j] = new Uri((string)arg["valuePrimitive"], UriKind.RelativeOrAbsolute);
} else {
ctorArguments[j] = ((JValue)arg["valuePrimitive"]).Value;
}
if (ctorArguments[j] != null) {
ctorArguments[j] = Convert.ChangeType(ctorArguments[j], ctorArgumentTypes[j]);
}
}
if ((uint)instanceCount > UInt32.MaxValue) {
throw new Exception("Reflection Handler Exception: Maximum instance count exceeded");
}
// Invoke the constructor and return the result
var instance = classType.GetConstructor(ctorArgumentTypes).Invoke(ctorArguments);
string handle = instanceCount++.ToString();
instances[handle] = instance;
TiResponse response = new TiResponse();
response["handle"] = handle;
return response;
}
public TiResponse process(TiRequestParams data)
{
if (!data.ContainsKey("url"))
{
throw new DownloadException("Request missing 'url' param");
}
string url = (string)data["url"];
if (!url.StartsWith("http://") && !url.StartsWith("https://"))
{
throw new DownloadException("'url' param must start with 'http://' or 'https://'");
}
string saveTo = "";
int p;
if (data.ContainsKey("saveTo"))
{
saveTo = (string)data["saveTo"];
}
else
{
// try to determine the filename based on the URL
p = url.LastIndexOf('/');
if (p > 8 && p != -1) // make sure the last / is after the ://
{
saveTo = url.Substring(p + 1);
}
else
{
throw new DownloadException("Request missing 'saveTo' param");
}
}
if (saveTo == null || saveTo == "")
{
throw new DownloadException("Invalid 'saveTo' param");
}
saveTo = saveTo.Replace('\\', '/');
IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication();
p = saveTo.LastIndexOf('\\');
if (p != -1)
{
string dir = saveTo.Substring(0, p);
try {
if (!isf.DirectoryExists(dir))
{
isf.CreateDirectory(dir);
}
} catch (IsolatedStorageException) {
throw new DownloadException("Unable to create destination directory '" + dir + "' because of insufficient permissions or the isolated storage has been disabled or removed");
}
}
if (isf.FileExists(saveTo))
{
if (data.ContainsKey("overwrite") && (bool)data["overwrite"])
{
isf.DeleteFile(saveTo);
}
else
{
throw new DownloadException("File '" + saveTo + "' already exists");
}
}
IsolatedStorageFileStream fileStream = null;
try {
fileStream = isf.CreateFile(saveTo);
} catch (IsolatedStorageException) {
throw new DownloadException("Unable to create file '" + saveTo + "' because the isolated storage has been disabled or removed");
} catch (DirectoryNotFoundException) {
throw new DownloadException("Unable to create file '" + saveTo + "' because the directory does not exist");
} catch (ObjectDisposedException) {
throw new DownloadException("Unable to create file '" + saveTo + "' because the isolated storage has been disposed");
}
TiResponse response = new TiResponse();
DownloadFile df = new DownloadFile(SynchronizationContext.Current, new Uri(url), fileStream);
response["handle"] = InstanceRegistry.createHandle(df);
return(response);
}