Thank you Ernesto.
I've found a different solution.
Need 2 pages: NoPdfPage and MyPdfPage.
1). When hyperlink for PDF is clicked, onclick event opens a new window, which
points to PDF url, e.g. /myapp/MyPdf.go?params_go_here (Extension doesn't
matter. Iframes also work, just supply iframe id as a target to hyperlink or
form);
2). Create NoPdf page.
3). MyPdf.go maps to MyPdfPage.java
/**
*
*/
package ...;
public class MyPdfPage extends WebPage
{
public MyPdfPage(PageParameters parameters) {
super(parameters);
String url = "generate_url_to_pdf_file";
if(!readPdf(url)) {
//Redirect to No Pdf page.
this.setResponsePage(NoPdfPage.class);
}
}
private boolean readPdf(String stmtUrl) throws Exception {
final HttpServletResponse response =
getWebRequestCycle().getWebResponse().getHttpServletResponse();
BufferedInputStream in = null;
OutputStream out = null;
try {
//pdf file may locate either on the same or other box.
URL url = new URL(stmtUrl);
URLConnection con = url.openConnection();
in = new BufferedInputStream(con.getInputStream());
//Get here if file exists
response.setContentType("application/pdf");
out = response.getOutputStream();
in = new BufferedInputStream(con.getInputStream());
int i = 0;
byte[] bytesIn = new byte[1024];
while ((i = in.read(bytesIn)) >= 0) {
out.write(bytesIn, 0, i);
}
return true;
} catch (FileNotFoundException ex) {
String errMsg = "File not exists: " + stmtUrl;
logger.info(errMsg);
return false;
} catch (Exception ex) {
String errMsg = "Error processing file: " + stmtUrl;
throw ex;
} finally {
if (in != null) {
try{in.close();}catch(Exception e) {}
}
if (out != null) {
try{out.close();}catch(Exception e) {}
}
}
}
/* (non-Javadoc)
* @see wicket.Page#onRender(wicket.markup.MarkupStream)
*/
protected void onRender(MarkupStream markupStream)
{
}
/* (non-Javadoc)
* @see wicket.markup.html.WebPage#configureResponse()
*/
protected void configureResponse()
{
}
}
Works fine without .pdf extension and response.setHeader("Content-Disposition",
"inline;
filename=\"" + name + "\"");
----------------------------------------------------
Eugene
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