Thank you this examples, and the new WStreamResource class. However,
something is missing for me. I have attached a test source. Wim, please
correct it, because in this code handleRequest method has never been
reached...
Thanks
Gabor
> The documentation of WResource explains it with an example. Another
> example: the source code of WStreamResource.C (or WFileResource in
> older Wt).
>
> Wim.
>
> ------------------------------------------------------------------------------
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> Installation's a snap, and flexible recovery options mean your data is safe,
> secure and there when you need it. Data protection magic?
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#include <fstream>
#include <stdio.h>
#include <Wt/WContainerWidget>
#include <Wt/WApplication>
#include <Wt/WText>
#include <Wt/WPushButton>
#include <Wt/WStreamResource>
using namespace Wt;
using namespace std;
class MyStreamResource : public Wt::WStreamResource {
public:
MyStreamResource(const std::string& fileName, Wt::WObject *parent = 0)
: Wt::WStreamResource(parent),
fileName_(fileName) {
suggestFileName("data.txt");
}
~MyStreamResource() {
beingDeleted();
}
void handleRequest(const Wt::Http::Request& request,
Wt::Http::Response& response) {
std::ifstream r(fileName_.c_str(), std::ios::in | std::ios::binary);
handleRequestPiecewise(request, response, r);
}
private:
std::string fileName_;
};
class MyTest : public Wt::WContainerWidget {
public:
MyTest( WContainerWidget *parent = 0 ) : WContainerWidget(parent) {
}
void save() {
MyStreamResource *res = new MyStreamResource("/tmp/test.txt");
res->setChanged();
}
};
class MyApplication : public WApplication {
public:
MyApplication(const WEnvironment& environment) : WApplication(environment) {
WText *t = new WText("Push button to download data: ");
WPushButton *b = new WPushButton("Download");
MyTest *s = new MyTest();
b->clicked().connect( s, &MyTest::save );
root()->addWidget(t);
root()->addWidget(b);
}
};
WApplication *createApplication(const WEnvironment& env) {
WApplication *app = new MyApplication(env);
return app;
}
int main(int argc, char **argv)
{
return WRun(argc, argv, &createApplication);
}
------------------------------------------------------------------------------
Simplify data backup and recovery for your virtual environment with vRanger.
Installation's a snap, and flexible recovery options mean your data is safe,
secure and there when you need it. Data protection magic?
Nope - It's vRanger. Get your free trial download today.
http://p.sf.net/sfu/quest-sfdev2dev
_______________________________________________
witty-interest mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/witty-interest
