Hello
I'm building a servlet to display an image - nothing new here. The
problem I'm facing is that the image is being forced to download in
the browser instead of being displayed on the page. I've tested in
Chrome/Firefox and IE.
When the image is downloaded the file size is correct, but the file is
downloaded with the filename the same as the requesting page
(getimage). And the type application/octetstream. I do set the content
type in the getImage servlet.
The code steps:
0. Call the getimage servlet from jsp
1. retrieve the image info - blob and content type. The query uses the
current user to fetch the image from the datastore so on url params
are needed in this case.
2. Explicitly set the content type of the response
3. Write the blob as bytes into the output stream
The code:
#0. profile.jsp
<img src="/getimage">
#1-3 #Servlet_GetImage.java
public class Servlet_GetImage extends HttpServlet {
private static final Logger log =
Logger.getLogger(Servlet_GetImage.class.getName());
public void doGet(HttpServletRequest req, HttpServletResponse resp){
UserService userService = UserServiceFactory.getUserService();
User user = userService.getCurrentUser();
if(req.getParameter("imageId")==null&&user!=null){//we will
fetch
the profile image - no imageId params are needed & the user must be
logged on
DS_ProfileImage myImage =
(DS_ProfileImage)ProfileImage.fetchImage(user);
if(myImage!=null){
try{
resp.setCharacterEncoding(myImage.getContentType());
resp.getOutputStream().write(myImage.getBlob().getBytes());
}
catch(Exception e){
log.warning("ERROR: "+e.getMessage());
}
}
}
else{
//TODO: create a fetch image method for images other
than Profile
images
}
}
}
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