/** @see org.wyona.yanel.core.api.attributes.VersionableV2#getView(String, String) */
public View getView(String viewId, String revisionName) throws Exception {
// TODO: Check first whether revision of node exists...
View view = new View();
view.setInputStream(getNode().getRevision(revisionName).getInputStream());
view.setMimeType(getMimeType());
view.setEncoding(getResourceConfigProperty("encoding"));
return view;
}
/** @see org.wyona.yanel.core.api.attributes.ViewableV2#getView(String) */
public View getView(String viewId) throws Exception {
if (!exists()) {
throw new ResourceNotFoundException("No such repository node: " + getRepoPath());
}
View view = new View();
view.setMimeType(getMimeType());
view.setEncoding(getResourceConfigProperty("encoding"));
String range = getEnvironment().getRequest().getHeader("Range");
if (range
!= null) { // INFO: Also see
// http://stackoverflow.com/questions/12768812/video-streaming-to-ipad-does-not-work-with-tapestry5, http://balusc.blogspot.ch/2009/02/fileservlet-supporting-resume-and.html
if (!range.equals("bytes=0-")) {
log.warn("DEBUG: Specific range requested for node '" + getRepoPath() + "': " + range);
String[] ranges = range.split("=")[1].split("-");
int from = Integer.parseInt(ranges[0]);
int to = Integer.parseInt(ranges[1]);
int len = to - from + 1;
view.setResponse(false); // INFO: In this case we write directly into the response...
HttpServletResponse response = getEnvironment().getResponse();
response.setStatus(206);
response.setHeader("Accept-Ranges", "bytes");
String responseRange = String.format("bytes %d-%d/%d", from, to, getSize());
response.setHeader("Connection", "close");
response.setHeader("Content-Range", responseRange);
log.debug("Content-Range:" + responseRange);
response.setDateHeader("Last-Modified", new Date().getTime());
response.setContentLength(len);
log.debug("Content length: " + len);
OutputStream os = response.getOutputStream();
InputStream is = new java.io.BufferedInputStream(getNode().getInputStream());
try {
byte[] buf = new byte[4096];
is.skip(from);
while (len != 0) {
int read = is.read(buf, 0, len >= buf.length ? buf.length : len);
if (read != -1) {
os.write(buf, 0, read);
len -= read;
}
}
} catch (Exception e) {
log.error(
"Exception '"
+ e.getMessage()
+ "' while handling request '"
+ getRepoPath()
+ "' (Range: "
+ range
+ "), whereas see stack trace for details...");
log.error(e, e);
} finally {
if (is != null) {
is.close();
log.warn(
"DEBUG: Making sure to close input stream of '"
+ getNode().getPath()
+ "' (Range: "
+ range
+ ").");
}
}
return view;
} else {
// log.debug("Range requested for node '" + getRepoPath()+ "': " + range);
}
} else {
// log.debug("No range requested for node: " + getRepoPath());
}
view.setInputStream(getNode().getInputStream());
return view;
}
