I have fixed a small error in the last version.
@Name("stickyConversationManager")
| @Scope(ScopeType.SESSION)
| public class StickyConversationManager
| {
| private Stack<String> conversationStack = new Stack<String>();
|
| @Logger
| private Log log;
|
| @In(create = true)
| @Out
| private CartHome cartHome;
|
| public String stick()
| {
| Manager manager = Manager.instance();
| HttpServletRequest httpServletRequest = (HttpServletRequest)
FacesContext.getCurrentInstance().getExternalContext().getRequest();
| String conversationIdRequestParameter =
httpServletRequest.getParameter(manager.getConversationIdParameter());
|
| if(! manager.isLongRunningOrNestedConversation())
| {
| ConversationEntries conversationEntries =
ConversationEntries.instance();
|
| if(conversationEntries.getConversationEntries().size()
== 0)
| {
| manager.beginConversation();
|
| // the following change to the conversation
timeout
| // is gone on the next page submission
| Conversation.instance().setTimeout(24 * 60 * 60
* 1000);
|
conversationStack.push(Conversation.instance().getId());
| }
| else if(conversationIdRequestParameter == null)
| {
| while(conversationStack.size() > 0)
| {
| ConversationEntry conversationEntry =
conversationEntries.getConversationEntry(conversationStack.peek());
| if(conversationEntry != null)
| {
| conversationEntry.redirect();
| break;
| }
| else
| {
| conversationStack.pop();
| }
| }
| }
| }
| else if(manager.isLongRunningConversation())
| {
| try
| {
| if(conversationStack.peek() !=
Conversation.instance().getId())
| {
|
conversationStack.remove(Conversation.instance().getId());
|
conversationStack.push(Conversation.instance().getId());
| }
| }
| catch(EmptyStackException e){}
| }
|
| log.debug(toString());
| return null;
| }
|
| @Override
| public String toString()
| {
| StringBuffer stringBuffer = new StringBuffer();
| stringBuffer
| .append("<ConversationManager>")
| .append("<Stack>");
| for(String conversationId : conversationStack)
| {
| stringBuffer
| .append("<ConversationId>")
| .append(conversationId)
| .append("</ConversationId>");
| }
| stringBuffer
| .append("</Stack>")
| .append("</ConversationManager>");
| return stringBuffer.toString();
| }
| }
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