package io.lumify.web.routes.resource;
import io.lumify.core.config.Configuration;
import io.lumify.core.model.ontology.Concept;
import io.lumify.core.model.ontology.OntologyRepository;
import io.lumify.core.model.user.UserRepository;
import io.lumify.core.model.workspace.WorkspaceRepository;
import io.lumify.web.BaseRequestHandler;
import io.lumify.miniweb.HandlerChain;
import com.google.inject.Inject;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class ResourceGet extends BaseRequestHandler {
private final OntologyRepository ontologyRepository;
@Inject
public ResourceGet(
final OntologyRepository ontologyRepository,
final UserRepository userRepository,
final WorkspaceRepository workspaceRepository,
final Configuration configuration) {
super(userRepository, workspaceRepository, configuration);
this.ontologyRepository = ontologyRepository;
}
@Override
public void handle(HttpServletRequest request, HttpServletResponse response, HandlerChain chain) throws Exception {
final String id = getAttributeString(request, "id");
Concept concept = ontologyRepository.getConceptByIRI(id);
byte[] rawImg = concept.getGlyphIcon();
if (rawImg == null || rawImg.length <= 0) {
respondWithNotFound(response);
return;
}
// TODO change content type if we use this route for more than getting glyph icons
response.setContentType("image/png");
response.setHeader("Cache-Control", "max-age=" + (5 * 60));
ServletOutputStream out = response.getOutputStream();
out.write(rawImg);
out.close();
}
}