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import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.MalformedURLException;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
public class DocumentReader extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet {
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
try {
// Get the file from the GADN
Long id = Long.parseLong(request.getParameter("id"));
Document doc = Facade.getDocumentFactory().findByIdentifier(id);
File file = new File(doc.getGEDIndex());
response.setContentType( "application/pdf" );
//response.setHeader("Content-disposition", "attachment; filename="+file.getName()+".pdf" ); // Pour forcer à ouvrir le pdf en tant qu'appli externe et non dans le browser
ServletOutputStream out = response.getOutputStream();
BufferedInputStream bis = null;
BufferedOutputStream bos = null;
FileInputStream fis = new FileInputStream(file);
// Use Buffered Stream for reading/writing.
bis = new BufferedInputStream(fis);
bos = new BufferedOutputStream(out);
byte[] buff = new byte[2048];
int bytesRead;
// Simple read/write loop.
while(-1 != (bytesRead = bis.read(buff, 0, buff.length)))
bos.write(buff, 0, bytesRead);
bis.close();
bos.close();
}
catch(final MalformedURLException e) {
ErrorLog.log("Document read failed", e, user );
request.setAttribute("message", "Document read failed: "+e.getMessage());
request.getRequestDispatcher("../error_page.jsp").forward(request, response);
} catch(final IOException e) {
ErrorLog.log("Document read failed", e, user );
request.setAttribute("message", "Document read failed: "+e.getMessage());
request.getRequestDispatcher("../error_page.jsp").forward(request, response);
} catch (DaoException e) {
ErrorLog.log("Document read failed", e, user );
request.setAttribute("message", "Document read failed: "+e.getMessage());
request.getRequestDispatcher("../error_page.jsp").forward(request, response);
} catch (InvalidParameterException e) {
ErrorLog.log("Document read failed", e, user );
request.setAttribute("message", "Document read failed: "+e.getMessage());
request.getRequestDispatcher("../error_page.jsp").forward(request, response);
}
}
} |
