package de.fuberlin.wiwiss.pubby.servlets;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.velocity.context.Context;
import de.fuberlin.wiwiss.pubby.Configuration;
import de.fuberlin.wiwiss.pubby.HypermediaControls;
import de.fuberlin.wiwiss.pubby.ResourceDescription;
/**
* A servlet for serving the HTML page describing a resource.
* Invokes a Velocity template.
*/
public class PageURLServlet extends BaseServlet {
public boolean doGet(String relativeURI,
HttpServletRequest request,
HttpServletResponse response,
Configuration config) throws ServletException, IOException {
HypermediaControls controller = config.getControls(relativeURI, false);
if (controller == null) return false;
ResourceDescription description = controller.getResourceDescription();
if (description == null) return false;
VelocityHelper template = new VelocityHelper(getServletContext(), response);
Context context = template.getVelocityContext();
context.put("project_name", config.getProjectName());
context.put("project_link", config.getProjectLink());
context.put("uri", description.getURI());
context.put("server_base", config.getWebApplicationBaseURI());
context.put("rdf_link", controller.getDataURL());
context.put("title", description.getTitle());
context.put("comment", description.getComment());
context.put("image", description.getImageURL());
context.put("properties", description.getProperties());
context.put("showLabels", config.showLabels());
addPageMetadata(context, controller, description.getModel());
template.renderXHTML("page.vm");
return true;
}
private static final long serialVersionUID = 3363621132360159793L;
}