/** @param maxResults Can be <code>null</code>, then {@link #getDefaultMaxResults()} is used. */
public Browse(
Service service,
String objectID,
BrowseFlag flag,
String filter,
long firstResult,
Long maxResults,
SortCriterion... orderBy) {
super(new ActionInvocation(service.getAction("Browse")));
log.fine("Creating browse action for object ID: " + objectID);
getActionInvocation().setInput("ObjectID", objectID);
getActionInvocation().setInput("BrowseFlag", flag.toString());
getActionInvocation().setInput("Filter", filter);
getActionInvocation().setInput("StartingIndex", new UnsignedIntegerFourBytes(firstResult));
getActionInvocation()
.setInput(
"RequestedCount",
new UnsignedIntegerFourBytes(maxResults == null ? getDefaultMaxResults() : maxResults));
getActionInvocation().setInput("SortCriteria", SortCriterion.toString(orderBy));
}
@Override
public BrowseResult browse(
String objectID,
BrowseFlag browseFlag,
String filter,
long firstResult,
long maxResults,
SortCriterion[] orderBy)
throws ContentDirectoryException {
if (MyTunesRssDIDL.getClientProfile() == null || MyTunesRssDIDL.getUser() == null) {
LOGGER.trace(
"No client profile found for client at "
+ AbstractContentDirectoryService.REMOTE_CLIENT_INFO
.get()
.getRemoteAddress()
.getHostAddress()
+ ".");
throw new ContentDirectoryException(
ErrorCode.ACTION_NOT_AUTHORIZED,
"No client profile found for client at "
+ AbstractContentDirectoryService.REMOTE_CLIENT_INFO
.get()
.getRemoteAddress()
.getHostAddress()
+ ".");
}
LOGGER.debug(
"Received browse request [objectID=\"{}\", browseFlag=\"{}\", filter=\"{}\", firstResult={}, maxResults={}, orderBy=\"{}\", userAgent=\"{}\"].",
new Object[] {
objectID,
browseFlag,
filter,
firstResult,
maxResults,
orderBy,
REMOTE_CLIENT_INFO.get().getRequestUserAgent()
});
Class<? extends MyTunesRssDIDL> contentClass = contentForOid.get(objectID);
if (contentClass == null) {
for (Map.Entry<String, Class<? extends MyTunesRssDIDL>> entry :
contentForOidPrefix.entrySet()) {
if (objectID.startsWith(entry.getKey() + ";")) {
contentClass = entry.getValue();
break;
}
}
if (contentClass == null) {
contentClass = RootMenuDIDL.class;
}
}
try {
MyTunesRssDIDL content = contentClass.newInstance();
int separatorIndex = objectID.indexOf(';');
String oidParams =
separatorIndex > 0 && separatorIndex < objectID.length() - 1
? objectID.substring(separatorIndex + 1)
: null;
if (browseFlag == BrowseFlag.DIRECT_CHILDREN) {
content.initDirectChildren(oidParams, firstResult, maxResults);
} else if (browseFlag == BrowseFlag.METADATA) {
content.initMetaData(oidParams);
} else {
LOGGER.warn("Unexpected browse flag \"" + browseFlag.name() + "\".");
throw new ContentDirectoryException(
ErrorCode.ARGUMENT_VALUE_INVALID,
"Unexpected browse flag \"" + browseFlag.name() + "\".");
}
try {
return new BrowseResult(
new DIDLParser().generate(content),
content.getCount(),
content.getTotalMatches(),
getSystemUpdateID().getValue());
} catch (Exception e) {
LOGGER.error("Could not create browse result.", e);
throw new ContentDirectoryException(
ErrorCode.ACTION_FAILED, "Could not create browse result: " + e.getMessage());
}
} catch (RuntimeException | InstantiationException | IllegalAccessException | SQLException e) {
LOGGER.error("Could not create browse result.", e);
throw new ContentDirectoryException(
ErrorCode.ACTION_FAILED, "Could not create browse result: " + e.getMessage());
}
}