static void returnOembed(HttpServletRequest request, HttpServletResponse response)
throws Exception {
String url = request.getParameter("url");
if (url == null) throw new Exception("No subject URL found.");
String retUrl = request.getParameter(S3Servlet.URL_PARAM);
if (retUrl == null && !S3Servlet.testing)
throw new Exception("Recieved no launch presentation return url");
Enumeration<String> en = request.getParameterNames();
ArrayList<String> keys = new ArrayList<String>(), vals = new ArrayList<String>();
String key, value;
while (en.hasMoreElements()) {
key = en.nextElement();
if ("action".equals(key)) continue;
if ("launch_presentation_return_url".equals(key)) continue;
if ("url".equals(key)) continue;
if ((value = request.getParameter(key)) != null) {
keys.add(key);
vals.add(value);
} // if//
} // while//
String endpoint =
S3Servlet.makeUrl(
S3Servlet.server + S3Servlet.prefix + "/" + S3Action.oembed,
keys.toArray(new String[keys.size()]),
vals.toArray(new String[vals.size()]));
String oembedUrl =
S3Servlet.makeUrl(
retUrl,
new String[] {"embed_type", "endpoint", "url"},
new String[] {"oembed", endpoint, url});
response.reset();
response.sendRedirect(oembedUrl);
} // returnOembed//
static void returnLink(HttpServletRequest request, HttpServletResponse response)
throws Exception {
String url = request.getParameter("url");
if (url == null) throw new Exception("No subject URL found.");
String text = request.getParameter("text");
if (text == null) throw new Exception("No link text found.");
String retUrl = request.getParameter(S3Servlet.URL_PARAM);
if (retUrl == null && !S3Servlet.testing)
throw new Exception("Recieved no launch presentation return url");
String title = request.getParameter("title");
String target = request.getParameter("target") == null ? "null" : "_blank";
String oembedUrl =
S3Servlet.makeUrl(
retUrl,
new String[] {"embed_type", "url", "title", "text", "target"},
new String[] {"link", url, title, text, target});
response.reset();
response.sendRedirect(oembedUrl);
} // returnLink//
static void media(HttpServletRequest request, HttpServletResponse response) throws Exception {
String bucket = request.getParameter("bucket");
String key = request.getParameter("key");
String retUrl = request.getParameter(S3Servlet.URL_PARAM);
if (retUrl == null && !S3Servlet.testing)
throw new Exception("Recieved no launch presentation return url");
AmazonS3Client s3 = new AmazonS3Client(S3Servlet.cred);
int[] dim = MediaHandler.getMediaDimensions(bucket, key, s3);
int width = dim[0];
int height = dim[1];
response.sendRedirect(MediaHandler.getMediaRedirect(bucket, key, retUrl, width, height, s3));
} // image//