In this tutorial we will discuss about download pdf files from JAX-RS, for user to download a file, annotate the method with @Produces(“application/pdf”) :
- Put @Produces(“application/pdf”) on service method, with a Response return type. It means the output is a pdf file.
- Set “Content-Disposition” in Response header to tell browser pop up a download box for user to download.
1. Download PDF file in JAX-RS
Full example to download an pdf file from JAX-RS.
package com.dineshonjava.ws.rest;
import java.io.File;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.ResponseBuilder;
/**
* @author Dinesh Rajput
*
*/
@Path("/pdf")
public class PdfFileService {
private static final String PDF_PATH = "d:mongodb.pdf";
@GET
@Path("/get")
@Produces("application/pdf")
public Response getSalarySlipFile() {
File file = new File(PDF_PATH);
ResponseBuilder response = Response.ok((Object) file);
response.header("Content-Disposition",
"attachment; filename="mongodb_pdf_file.pdf"");
return response.build();
}
}
2. Test
Deploy above JAX-RS service, access this URI pattern : “http://localhost:8181/sdnext/doj/pdf/get“.
Figure : PDF file “d:mongodb.pdf” from server is prompt for user to download, with a new pdf file name “mongodb_pdf_file.pdf”
Download SourceCode
Download pdf file from JAX-RS.zip
References
1. JAVA REST Web Services
2. Wikipedia for REST Web Service
