Hello ,
the last weeks i have started using Gwt technology and i have to admit
that is fascinating!! because of lack of examples, i have some
questions.
first of all , i m facing a compilation error.
I did include <inherits name="com.google.gwt.http.HTTP" />
in the gwt config file but when i m trying to compile i get
Removing units with errors
[ERROR] Errors in 'file:/home/tower/Book/G-example/src/org/example/
client/ajson.java'
[ERROR] Line 45: RequestBuilder cannot be resolved to a type
[ERROR] Line 45: RequestBuilder cannot be resolved to a type
[ERROR] Line 45: RequestBuilder cannot be resolved
[ERROR] Line 49: RequestException cannot be resolved to a type
[ERROR] Line 54: RequestCallback cannot be resolved to a type
[ERROR] Line 56: Request cannot be resolved to a type
[ERROR] Line 61: Request cannot be resolved to a type
[ERROR] Line 61: Response cannot be resolved to a type
Secondly , i m trying to make an example reading a json file. If i put
the json file in the same folder as ./example-shell then i do that:
RequestBuilder builder = new
RequestBuilder(RequestBuilder.POST,GWT.getModuleBaseURL() +
"file.json");
otherwise
i just put the url ( located in a local server ? )
RequestBuilder builder = new RequestBuilder(RequestBuilder.GET,
url);
try {
Request response = builder.sendRequest(null, new
RequestCallback() {
public void onError(Request request, Throwable exception) {
// Code omitted for clarity
}
public void onResponseReceived(Request request, Response
response) {
JSONArray results;
results = maketree(response.getText());
}
});
} catch (RequestException e) {
// Code omitted for clarity
}
Is this algorithm correct???
also is there any function like maketree that reads the object and
makes it in a tree format ??
ty in advance.
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