private File getStreamFile(IScope scope, String name) {
if (log.isDebugEnabled()) {
log.debug("getStreamFile - name: {}", name);
}
IStreamableFileFactory factory =
(IStreamableFileFactory) ScopeUtils.getScopeService(scope, IStreamableFileFactory.class);
if (name.indexOf(':') == -1 && name.indexOf('.') == -1) {
// Default to .flv files if no prefix and no extension is given.
name = "flv:" + name;
}
// ams sends an asterisk at the start of the name on mp4, so remove it
if (name.charAt(0) == '*') {
name = name.substring(1);
if (log.isTraceEnabled()) {
log.trace("Removed star prefix: {}", name);
}
}
for (IStreamableFileService service : factory.getServices()) {
if (name.startsWith(service.getPrefix() + ':')) {
name = service.prepareFilename(name);
break;
}
}
// look for a custom filename gen class
IStreamFilenameGenerator filenameGenerator =
(IStreamFilenameGenerator)
ScopeUtils.getScopeService(
scope, IStreamFilenameGenerator.class, DefaultStreamFilenameGenerator.class);
// get the filename
String filename = filenameGenerator.generateFilename(scope, name, GenerationType.PLAYBACK);
File file;
try {
// most likely case first
if (!filenameGenerator.resolvesToAbsolutePath()) {
try {
file = scope.getContext().getResource(filename).getFile();
} catch (FileNotFoundException e) {
log.debug("File {} not found, nulling it", filename);
file = null;
}
} else {
file = new File(filename);
}
// check file existence
if (file != null && !file.exists()) {
// if it does not exist then null it out
file = null;
}
} catch (IOException e) {
log.info("Exception attempting to lookup file: {}", e.getMessage());
if (log.isDebugEnabled()) {
log.warn("Exception attempting to lookup file: {}", name, e);
}
// null out the file (fix for issue #238)
file = null;
}
return file;
}
/** Start this server-side stream */
public void start() {
if (state != StreamState.UNINIT) {
throw new IllegalStateException("State " + state + " not valid to start");
}
if (items.size() == 0) {
throw new IllegalStateException("At least one item should be specified to start");
}
if (publishedName == null) {
throw new IllegalStateException("A published name is needed to start");
}
try {
IScope scope = getScope();
IContext context = scope.getContext();
providerService = (IProviderService) context.getBean(IProviderService.BEAN_NAME);
// publish this server-side stream
providerService.registerBroadcastStream(scope, publishedName, this);
scheduler = (ISchedulingService) context.getBean(ISchedulingService.BEAN_NAME);
} catch (NullPointerException npe) {
log.warn("Context beans were not available; this is ok during unit testing", npe);
}
setState(StreamState.STOPPED);
currentItemIndex = -1;
nextItem();
}