package org.jboss.seam.ui.graphicImage;
import static org.jboss.seam.ScopeType.APPLICATION;
import static org.jboss.seam.annotations.Install.BUILT_IN;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.jboss.seam.annotations.Install;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Scope;
import org.jboss.seam.annotations.intercept.BypassInterceptors;
import org.jboss.seam.servlet.ContextualHttpServletRequest;
import org.jboss.seam.ui.graphicImage.GraphicImageStore.ImageWrapper;
import org.jboss.seam.web.AbstractResource;
/**
* Serves images from the image store
*/
@Scope(APPLICATION)
@Name("org.jboss.seam.ui.graphicImage.graphicImageResource")
@Install(precedence = BUILT_IN)
@BypassInterceptors
public class GraphicImageResource extends AbstractResource
{
public static final String GRAPHIC_IMAGE_RESOURCE_PATH = "/seam/resource/graphicImage";
private static final String RESOURCE_PATH = "/graphicImage";
@Override
public String getResourcePath()
{
return RESOURCE_PATH;
}
@Override
public void getResource(final HttpServletRequest request, final HttpServletResponse response)
throws ServletException, IOException
{
new ContextualHttpServletRequest(request)
{
@Override
public void process() throws IOException
{
doWork(request, response);
}
}.run();
}
private void doWork(HttpServletRequest request, HttpServletResponse response)
throws IOException
{
String pathInfo = request.getPathInfo().substring(getResourcePath().length() + 1,
request.getPathInfo().lastIndexOf("."));
ImageWrapper image = GraphicImageStore.instance().remove(pathInfo);
if (image != null)
{
response.setContentType(image.getContentType().getMimeType());
response.setStatus(HttpServletResponse.SC_OK);
response.setContentLength(image.getImage().length);
ServletOutputStream os = response.getOutputStream();
os.write(image.getImage());
os.flush();
}
else
{
response.sendError(HttpServletResponse.SC_NOT_FOUND);
}
}
}