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Posted to user@struts.apache.org by Security Management <li...@secmgmt.com> on 2009/02/06 15:03:20 UTC
Get an InputStream for a file in my webapp
I have an action that returns an image, and the getImageStream method
returns the stream associated with the blob in the database that I'm
pulling.
That works great, and displays/exports the image exactly like I want to.
However, there are cases where there is no image, and I want to display a
"No Image Found" image.
So, the getImageStream is:
public InputStream getImageStream()
{
if(this.imageStream != null)
{
return this.imageStream;
}
else
{
return new FileInputStream("no_image.jpg");
}
}
My questions is how do I get the path to no_image.jpg? Here is its location
in the war file. It is not on the classpath.
-rw-r--r-- 4827 29-Oct-2008 19:47:26 images/no_image.jpg
Thanks,
Mike.
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Re: Get an InputStream for a file in my webapp
Posted by Nils-Helge Garli Hegvik <ni...@gmail.com>.
Using a FileInputStream like that won't work if the war is packaged.
Take a look at the getResourceAsStream method in the ServletContext
interface instead.
Nils-H
On Fri, Feb 6, 2009 at 3:03 PM, Security Management
<li...@secmgmt.com> wrote:
> I have an action that returns an image, and the getImageStream method
> returns the stream associated with the blob in the database that I'm
> pulling.
>
> That works great, and displays/exports the image exactly like I want to.
>
> However, there are cases where there is no image, and I want to display a
> "No Image Found" image.
>
> So, the getImageStream is:
>
> public InputStream getImageStream()
> {
> if(this.imageStream != null)
> {
> return this.imageStream;
> }
> else
> {
> return new FileInputStream("no_image.jpg");
> }
> }
>
> My questions is how do I get the path to no_image.jpg? Here is its location
> in the war file. It is not on the classpath.
>
> -rw-r--r-- 4827 29-Oct-2008 19:47:26 images/no_image.jpg
>
> Thanks,
> Mike.
>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: user-unsubscribe@struts.apache.org
> For additional commands, e-mail: user-help@struts.apache.org
>
>
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Re: Get an InputStream for a file in my webapp
Posted by Musachy Barroso <mu...@gmail.com>.
You can implement the ServletContextAware interface in your action,
and Struts will set the ServletContext which has a "getPath" method,
or something like that.
musachy
On Fri, Feb 6, 2009 at 9:03 AM, Security Management
<li...@secmgmt.com> wrote:
> I have an action that returns an image, and the getImageStream method
> returns the stream associated with the blob in the database that I'm
> pulling.
>
> That works great, and displays/exports the image exactly like I want to.
>
> However, there are cases where there is no image, and I want to display a
> "No Image Found" image.
>
> So, the getImageStream is:
>
> public InputStream getImageStream()
> {
> if(this.imageStream != null)
> {
> return this.imageStream;
> }
> else
> {
> return new FileInputStream("no_image.jpg");
> }
> }
>
> My questions is how do I get the path to no_image.jpg? Here is its location
> in the war file. It is not on the classpath.
>
> -rw-r--r-- 4827 29-Oct-2008 19:47:26 images/no_image.jpg
>
> Thanks,
> Mike.
>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: user-unsubscribe@struts.apache.org
> For additional commands, e-mail: user-help@struts.apache.org
>
>
--
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