Re: GWT native to long conversion
Thanks!
суббота, 1 августа 2015 г., 18:07:56 UTC-4 пользователь Alberto Mancini
написал:
Hello,
in your example you are returning id (a numeric value) as a string ant
this is the origin of the unexpected behavior.
Indeed this works
public final native String _getIdString()/*-{ return ''+this.id; }-*/;
as well as returning a java numeric value:
public final native int _getIdInt()/*-{ return this.id; }-*/;
(see
http://www.gwtproject.org/doc/latest/DevGuideCodingBasicsJSNI.html#passing-javascript
for details)
Anyway, in general, is probably not a good idea to use Long for a numeric
'native' value
because in js you cannot represent a long number (see f.e.
http://stackoverflow.com/questions/17320706/javascript-long-integer).
Hope it helps.
Alberto.
On Sat, Aug 1, 2015 at 3:38 PM Nikolay Prokofiev nprok...@gmail.com
javascript: wrote:
Hi.
I'm trying to convert js native number to GWT Long and send it over
gwt-rpc. But I got very weird results..
public class gwtbugEntryPoint implements EntryPoint {
@Override
public void onModuleLoad() {
String data = {\type\:\upd\, \id\:123};
ServerEvent serverEvent = JsonUtils.ServerEventsafeEval(data);
RootPanel.get().add(new HTML(GWT id=+serverEvent.getId()));
}
}class ServerEvent extends JavaScriptObject {
protected ServerEvent() {
}
public final native String getType()/*-{ return this.type; }-*/;
public final Long getId(){
String idStr = _getId();
GWT.log(idSTr: + idStr);
Long id = new Long(idStr);
GWT.log(id:+id);
return id;}
public final native String _getId()/*-{ return this.id; }-*/;}
console output:
idSTr:123
id:0
Can anyone explain me, how that could happen?
--
You received this message because you are subscribed to the Google Groups
Google Web Toolkit group.
To unsubscribe from this group and stop receiving emails from it, send an
email to google-web-toolkit+unsubscr...@googlegroups.com javascript:.
To post to this group, send email to google-we...@googlegroups.com
javascript:.
Visit this group at http://groups.google.com/group/google-web-toolkit.
For more options, visit https://groups.google.com/d/optout.
--
You received this message because you are subscribed to the Google Groups
Google Web Toolkit group.
To unsubscribe from this group and stop receiving emails from it, send an email
to google-web-toolkit+unsubscr...@googlegroups.com.
To post to this group, send email to google-web-toolkit@googlegroups.com.
Visit this group at http://groups.google.com/group/google-web-toolkit.
For more options, visit https://groups.google.com/d/optout.
GWT native to long conversion
Hi.
I'm trying to convert js native number to GWT Long and send it over
gwt-rpc. But I got very weird results..
public class gwtbugEntryPoint implements EntryPoint {
@Override
public void onModuleLoad() {
String data = {\type\:\upd\, \id\:123};
ServerEvent serverEvent = JsonUtils.ServerEventsafeEval(data);
RootPanel.get().add(new HTML(GWT id=+serverEvent.getId()));
}
}class ServerEvent extends JavaScriptObject {
protected ServerEvent() {
}
public final native String getType()/*-{ return this.type; }-*/;
public final Long getId(){
String idStr = _getId();
GWT.log(idSTr: + idStr);
Long id = new Long(idStr);
GWT.log(id:+id);
return id;}
public final native String _getId()/*-{ return this.id; }-*/;}
console output:
idSTr:123
id:0
Can anyone explain me, how that could happen?
--
You received this message because you are subscribed to the Google Groups
Google Web Toolkit group.
To unsubscribe from this group and stop receiving emails from it, send an email
to google-web-toolkit+unsubscr...@googlegroups.com.
To post to this group, send email to google-web-toolkit@googlegroups.com.
Visit this group at http://groups.google.com/group/google-web-toolkit.
For more options, visit https://groups.google.com/d/optout.
Re: GWT native to long conversion
instead of
Long id = new Long(idStr);
try
Long id = Long.parseLong(idStr);
On Sun, Aug 2, 2015 at 3:37 AM, Alberto Mancini ab.manc...@gmail.com
wrote:
Hello,
in your example you are returning id (a numeric value) as a string ant
this is the origin of the unexpected behavior.
Indeed this works
public final native String _getIdString()/*-{ return ''+this.id; }-*/;
as well as returning a java numeric value:
public final native int _getIdInt()/*-{ return this.id; }-*/;
(see
http://www.gwtproject.org/doc/latest/DevGuideCodingBasicsJSNI.html#passing-javascript
for details)
Anyway, in general, is probably not a good idea to use Long for a numeric
'native' value
because in js you cannot represent a long number (see f.e.
http://stackoverflow.com/questions/17320706/javascript-long-integer).
Hope it helps.
Alberto.
On Sat, Aug 1, 2015 at 3:38 PM Nikolay Prokofiev nprokof...@gmail.com
wrote:
Hi.
I'm trying to convert js native number to GWT Long and send it over
gwt-rpc. But I got very weird results..
public class gwtbugEntryPoint implements EntryPoint {
@Override
public void onModuleLoad() {
String data = {\type\:\upd\, \id\:123};
ServerEvent serverEvent = JsonUtils.ServerEventsafeEval(data);
RootPanel.get().add(new HTML(GWT id=+serverEvent.getId()));
}
}class ServerEvent extends JavaScriptObject {
protected ServerEvent() {
}
public final native String getType()/*-{ return this.type; }-*/;
public final Long getId(){
String idStr = _getId();
GWT.log(idSTr: + idStr);
Long id = new Long(idStr);
GWT.log(id:+id);
return id;}
public final native String _getId()/*-{ return this.id; }-*/;}
console output:
idSTr:123
id:0
Can anyone explain me, how that could happen?
--
You received this message because you are subscribed to the Google Groups
Google Web Toolkit group.
To unsubscribe from this group and stop receiving emails from it, send an
email to google-web-toolkit+unsubscr...@googlegroups.com.
To post to this group, send email to google-web-toolkit@googlegroups.com.
Visit this group at http://groups.google.com/group/google-web-toolkit.
For more options, visit https://groups.google.com/d/optout.
--
You received this message because you are subscribed to the Google Groups
Google Web Toolkit group.
To unsubscribe from this group and stop receiving emails from it, send an
email to google-web-toolkit+unsubscr...@googlegroups.com.
To post to this group, send email to google-web-toolkit@googlegroups.com.
Visit this group at http://groups.google.com/group/google-web-toolkit.
For more options, visit https://groups.google.com/d/optout.
--
Nagin Kothari
Co-founder,
Zilicus Solutions
www.zilicus.com
--
You received this message because you are subscribed to the Google Groups
Google Web Toolkit group.
To unsubscribe from this group and stop receiving emails from it, send an email
to google-web-toolkit+unsubscr...@googlegroups.com.
To post to this group, send email to google-web-toolkit@googlegroups.com.
Visit this group at http://groups.google.com/group/google-web-toolkit.
For more options, visit https://groups.google.com/d/optout.
Re: GWT native to long conversion
Hello,
in your example you are returning id (a numeric value) as a string ant
this is the origin of the unexpected behavior.
Indeed this works
public final native String _getIdString()/*-{ return ''+this.id; }-*/;
as well as returning a java numeric value:
public final native int _getIdInt()/*-{ return this.id; }-*/;
(see
http://www.gwtproject.org/doc/latest/DevGuideCodingBasicsJSNI.html#passing-javascript
for details)
Anyway, in general, is probably not a good idea to use Long for a numeric
'native' value
because in js you cannot represent a long number (see f.e.
http://stackoverflow.com/questions/17320706/javascript-long-integer).
Hope it helps.
Alberto.
On Sat, Aug 1, 2015 at 3:38 PM Nikolay Prokofiev nprokof...@gmail.com
wrote:
Hi.
I'm trying to convert js native number to GWT Long and send it over
gwt-rpc. But I got very weird results..
public class gwtbugEntryPoint implements EntryPoint {
@Override
public void onModuleLoad() {
String data = {\type\:\upd\, \id\:123};
ServerEvent serverEvent = JsonUtils.ServerEventsafeEval(data);
RootPanel.get().add(new HTML(GWT id=+serverEvent.getId()));
}
}class ServerEvent extends JavaScriptObject {
protected ServerEvent() {
}
public final native String getType()/*-{ return this.type; }-*/;
public final Long getId(){
String idStr = _getId();
GWT.log(idSTr: + idStr);
Long id = new Long(idStr);
GWT.log(id:+id);
return id;}
public final native String _getId()/*-{ return this.id; }-*/;}
console output:
idSTr:123
id:0
Can anyone explain me, how that could happen?
--
You received this message because you are subscribed to the Google Groups
Google Web Toolkit group.
To unsubscribe from this group and stop receiving emails from it, send an
email to google-web-toolkit+unsubscr...@googlegroups.com.
To post to this group, send email to google-web-toolkit@googlegroups.com.
Visit this group at http://groups.google.com/group/google-web-toolkit.
For more options, visit https://groups.google.com/d/optout.
--
You received this message because you are subscribed to the Google Groups
Google Web Toolkit group.
To unsubscribe from this group and stop receiving emails from it, send an email
to google-web-toolkit+unsubscr...@googlegroups.com.
To post to this group, send email to google-web-toolkit@googlegroups.com.
Visit this group at http://groups.google.com/group/google-web-toolkit.
For more options, visit https://groups.google.com/d/optout.
