/**
* Returns list of <tt>ChatTransport</tt> (i.e. contact) that supports the specified
* <tt>OperationSet</tt>.
*
* @param transports list of <tt>ChatTransport</tt>
* @param opSetClass <tt>OperationSet</tt> to find
* @return list of <tt>ChatTransport</tt> (i.e. contact) that supports the specified
* <tt>OperationSet</tt>.
*/
private List<ChatTransport> getOperationSetForCapabilities(
List<ChatTransport> transports, Class<? extends OperationSet> opSetClass) {
List<ChatTransport> list = new ArrayList<ChatTransport>();
for (ChatTransport transport : transports) {
ProtocolProviderService protocolProvider = transport.getProtocolProvider();
OperationSetContactCapabilities capOpSet =
protocolProvider.getOperationSet(OperationSetContactCapabilities.class);
OperationSetPersistentPresence presOpSet =
protocolProvider.getOperationSet(OperationSetPersistentPresence.class);
if (capOpSet == null) {
list.add(transport);
} else if (presOpSet != null) {
Contact contact = presOpSet.findContactByID(transport.getName());
if ((contact != null) && (capOpSet.getOperationSet(contact, opSetClass) != null)) {
// It supports OpSet for at least one of its
// ChatTransports
list.add(transport);
}
}
}
return list;
}
/**
* Returns <code>true</code> if this chat transport supports message corrections and false
* otherwise.
*
* @return <code>true</code> if this chat transport supports message corrections and false
* otherwise.
*/
public boolean allowsMessageCorrections() {
OperationSetContactCapabilities capOpSet =
getProtocolProvider().getOperationSet(OperationSetContactCapabilities.class);
if (capOpSet != null) {
return capOpSet.getOperationSet(contact, OperationSetMessageCorrection.class) != null;
} else {
return contact.getProtocolProvider().getOperationSet(OperationSetMessageCorrection.class)
!= null;
}
}
/**
* Returns <code>true</code> if this chat transport supports sms messaging, otherwise returns
* <code>false</code>.
*
* @return <code>true</code> if this chat transport supports sms messaging, otherwise returns
* <code>false</code>.
*/
public boolean allowsSmsMessage() {
// First try to ask the capabilities operation set if such is
// available.
OperationSetContactCapabilities capOpSet =
getProtocolProvider().getOperationSet(OperationSetContactCapabilities.class);
if (capOpSet != null) {
if (capOpSet.getOperationSet(contact, OperationSetSmsMessaging.class) != null) {
return true;
}
} else if (contact.getProtocolProvider().getOperationSet(OperationSetSmsMessaging.class)
!= null) return true;
return false;
}