Added Android code

[wl-app.git] / Android / r2-streamer / r2-server / src / main / java / org / readium / r2_streamer / server / handler / MediaOverlayHandler.java

diff --git a/Android/r2-streamer/r2-server/src/main/java/org/readium/r2_streamer/server/handler/MediaOverlayHandler.java b/Android/r2-streamer/r2-server/src/main/java/org/readium/r2_streamer/server/handler/MediaOverlayHandler.java
new file mode 100755 (executable)
index 0000000..0f21d4a
--- /dev/null
+++ b/Android/r2-streamer/r2-server/src/main/java/org/readium/r2_streamer/server/handler/MediaOverlayHandler.java
@@ -0,0 +1,66 @@
+package org.readium.r2_streamer.server.handler;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.readium.r2_streamer.fetcher.EpubFetcher;
+import org.readium.r2_streamer.model.publication.SMIL.MediaOverlayNode;
+import org.readium.r2_streamer.model.publication.SMIL.MediaOverlays;
+import org.readium.r2_streamer.model.publication.link.Link;
+import org.readium.r2_streamer.server.ResponseStatus;
+
+import java.util.List;
+import java.util.Map;
+
+import fi.iki.elonen.NanoHTTPD;
+import fi.iki.elonen.router.RouterNanoHTTPD;
+
+/**
+ * Created by gautam chibde on 25/5/17.
+ */
+
+public class MediaOverlayHandler extends RouterNanoHTTPD.DefaultHandler {
+    public static final String TAG = MediaOverlayNode.class.getSimpleName();
+
+    @Override
+    public String getText() {
+        return ResponseStatus.FAILURE_RESPONSE;
+    }
+
+    @Override
+    public String getMimeType() {
+        return "application/webpub+json";
+    }
+
+    @Override
+    public NanoHTTPD.Response.IStatus getStatus() {
+        return NanoHTTPD.Response.Status.OK;
+    }
+
+    @Override
+    public NanoHTTPD.Response get(RouterNanoHTTPD.UriResource uriResource, Map<String, String> urlParams, NanoHTTPD.IHTTPSession session) {
+        EpubFetcher fetcher = uriResource.initParameter(EpubFetcher.class);
+
+        if (session.getParameters().containsKey("resource")) {
+            String searchQueryPath = session.getParameters().get("resource").get(0);
+            List<Link> spines = fetcher.publication.spines;
+            ObjectMapper objectMapper = new ObjectMapper();
+            try {
+                String json = objectMapper.writeValueAsString(getMediaOverlay(spines, searchQueryPath));
+                return NanoHTTPD.newFixedLengthResponse(getStatus(), getMimeType(), json);
+            } catch (JsonProcessingException e) {
+                return NanoHTTPD.newFixedLengthResponse(getStatus(), getMimeType(), ResponseStatus.FAILURE_RESPONSE);
+            }
+        } else {
+            return NanoHTTPD.newFixedLengthResponse(getStatus(), getMimeType(), ResponseStatus.FAILURE_RESPONSE);
+        }
+    }
+
+    private MediaOverlays getMediaOverlay(List<Link> spines, String searchQueryPath) {
+        for (Link link : spines) {
+            if (link.href.contains(searchQueryPath)) {
+                return link.mediaOverlay;
+            }
+        }
+        return new MediaOverlays();
+    }
+}