package org.jboss.seam.servlet;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.jboss.seam.contexts.Context;
import org.jboss.seam.contexts.WebApplicationContext;
import org.jboss.seam.core.Init;
/**
* Serves extra resources such as Javascript, CSS, Images
*
* @author Shane Bryzak
*/
public class ResourceServlet extends HttpServlet
{
private ServletContext context;
private Map<String, AbstractResource> providers = new HashMap<String, AbstractResource>();
@Override
public void init(ServletConfig config) throws ServletException
{
super.init(config);
context = config.getServletContext();
loadResourceProviders();
}
protected void loadResourceProviders()
{
Context tempApplicationContext = new WebApplicationContext(context);
Init init = (Init) tempApplicationContext.get(Init.class);
for (String name : init.getResourceProviders())
{
AbstractResource provider = (AbstractResource) tempApplicationContext.get(name);
if (provider != null)
{
provider.setServletContext(context);
providers.put(provider.getResourcePath(), provider);
}
}
}
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
String prefix = request.getContextPath() + request.getServletPath();
if (request.getRequestURI().startsWith(prefix))
{
String path = request.getRequestURI().replaceFirst(prefix, "");
int index = path.indexOf('/', 1);
if (index != -1) path = path.substring(0, index);
AbstractResource provider = providers.get(path);
if (provider != null)
{
provider.getResource(request, response);
}
}
}
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
doGet(request, response);
}
}