public static Document getField(String fieldName) {
final VFSPathToken token = new VFSPathToken(fieldName + ".xml");
if (SIS.get().getVFS().exists(FIELDS_DIR.child(token))) {
try {
return getInputStreamFile(SIS.get().getVFS().getInputStream(FIELDS_DIR.child(token)));
} catch (IOException e) {
Debug.println("Field {0} reported existence, but could not be loaded:\n{1}", fieldName, e);
}
}
return getInputStreamFile(DocumentLoader.class.getResourceAsStream(fieldName + ".xml"));
}
public static Document getView() {
final VFSPathToken token = new VFSPathToken("views.xml");
if (SIS.get().getVFS().exists(FIELDS_DIR.child(token))) {
try {
return SIS.get().getVFS().getMutableDocument(FIELDS_DIR.child(token));
} catch (IOException e) {
Debug.println("View reported existence, but could not be loaded:\n{0}", e);
}
}
return BaseDocumentUtils.impl.getInputStreamFile(
DocumentLoader.class.getResourceAsStream("views.xml"));
}
@Override
public Representation handleGet(Request request, Response response, Session session)
throws ResourceException {
if (request.getResourceRef().getPath().endsWith("image.png")) {
return new InputRepresentation(
getClass().getResourceAsStream("sis-video.png"), MediaType.IMAGE_PNG);
}
String url = SIS.get().getSettings(getContext()).getProperty(SOURCE_KEY);
if (url == null) throw new ResourceException(Status.SERVER_ERROR_SERVICE_UNAVAILABLE);
final Request extReq = new Request(Method.GET, url);
final Response extResp = getContext().getClientDispatcher().handle(extReq);
if (!extResp.getStatus().isSuccess())
throw new ResourceException(Status.SERVER_ERROR_SERVICE_UNAVAILABLE);
final Document respDoc = getEntityAsDocument(extResp.getEntity());
final List<VideoSource> list = new ArrayList<VideoSource>();
final NodeList nodes = respDoc.getDocumentElement().getChildNodes();
for (int i = 0; i < nodes.getLength(); i++) {
Node node = nodes.item(i);
if ("entry".equals(node.getNodeName())) {
VideoSource video = new VideoSource();
video.setImage("/sources/youtube/featured/image.png");
NodeCollection children = new NodeCollection(node.getChildNodes());
for (Node child : children) {
if ("title".equals(child.getNodeName())) video.setTitle(child.getTextContent());
else if ("content".equals(child.getNodeName())) video.setCaption(child.getTextContent());
else if ("link".equals(child.getNodeName())) {
if ("alternate".equals(BaseDocumentUtils.impl.getAttribute(child, "rel"))) {
Reference videoRef =
new Reference(BaseDocumentUtils.impl.getAttribute(child, "href"));
String videoID = videoRef.getQueryAsForm().getFirstValue("v");
if (videoID == null) video.setUrl(BaseDocumentUtils.impl.getAttribute(child, "href"));
else video.setUrl("http://www.youtube.com/embed/" + videoID);
}
}
}
list.add(video);
}
}
final StringBuilder out = new StringBuilder();
out.append("<root>");
for (VideoSource source : list) out.append(source.toXML());
out.append("</root>");
return new StringRepresentation(out.toString(), MediaType.TEXT_XML);
}
public DBSessionPersistenceLayer(Session session) {
ec = SIS.get().getExecutionContext();
this.session = session;
}