Android/r2-streamer/r2-server/src/main/java/org/readium/r2_streamer/server/handler/ManifestHandler.java

   1 package org.readium.r2_streamer.server.handler;
   2
   3 import org.readium.r2_streamer.fetcher.EpubFetcher;
   4 import org.readium.r2_streamer.server.ResponseStatus;
   5 import com.fasterxml.jackson.core.JsonGenerationException;
   6 import com.fasterxml.jackson.databind.JsonMappingException;
   7 import com.fasterxml.jackson.databind.ObjectMapper;
   8
   9 import java.io.IOException;
  10 import java.util.Map;
  11
  12 import fi.iki.elonen.NanoHTTPD;
  13 import fi.iki.elonen.router.RouterNanoHTTPD;
  14
  15 /**
  16  * Created by mahavir on 3/2/17.
  17  */
  18
  19 public class ManifestHandler extends RouterNanoHTTPD.DefaultHandler {
  20     private static final String TAG = "ManifestHandler";
  21
  22     @Override
  23     public String getMimeType() {
  24         return "application/webpub+json";
  25     }
  26
  27     @Override
  28     public String getText() {
  29         return ResponseStatus.FAILURE_RESPONSE;
  30     }
  31
  32     @Override
  33     public NanoHTTPD.Response.IStatus getStatus() {
  34         return NanoHTTPD.Response.Status.OK;
  35     }
  36
  37     @Override
  38     public NanoHTTPD.Response get(RouterNanoHTTPD.UriResource uriResource, Map<String, String> urlParams, NanoHTTPD.IHTTPSession session) {
  39         try {
  40
  41             EpubFetcher fetcher = uriResource.initParameter(EpubFetcher.class);
  42
  43             ObjectMapper objectMapper = new ObjectMapper();
  44             String json = objectMapper.writeValueAsString(fetcher.publication);
  45
  46             return NanoHTTPD.newFixedLengthResponse(getStatus(), getMimeType(), json);
  47
  48         } catch (JsonGenerationException | JsonMappingException e) {
  49             System.out.println(TAG + " JsonGenerationException | JsonMappingException " + e.toString());
  50             return NanoHTTPD.newFixedLengthResponse(NanoHTTPD.Response.Status.INTERNAL_ERROR, getMimeType(), ResponseStatus.FAILURE_RESPONSE);
  51         } catch (IOException e) {
  52             System.out.println(TAG + " IOException " + e.toString());
  53             return NanoHTTPD.newFixedLengthResponse(NanoHTTPD.Response.Status.INTERNAL_ERROR, getMimeType(), ResponseStatus.FAILURE_RESPONSE);
  54         }
  55     }
  56 }