protected void preparePage(String page, RequestParameter params, Session session) {
if (page.equals(PAGE_HOME)) {
session.setAttribute("workspaces", as.getWorkgroups(getUserID(session)));
} else if (page.equals(PAGE_TOPIC_LIST)) {
String mode = getMode(session);
if (mode == MODE_BY_NAME) {
session.setAttribute("topics", cm.getTopicsByName(getSearchText(session)));
} else if (mode == MODE_BY_TYPE) {
session.setAttribute("topics", cm.getTopics(getTypeID(session)));
} else {
throw new DeepaMehtaException("unexpected mode: \"" + mode + "\"");
}
}
}
protected String performAction(String action, RequestParameter params, Session session)
throws ServletException {
if (action == null) {
return PAGE_LOGIN;
} else if (action.equals(ACTION_TRY_LOGIN)) {
return actionTryLogin(params, session);
} else if (action.equals(ACTION_GO_HOME)) {
return PAGE_HOME;
} else if (action.equals(ACTION_SEARCH)) {
String search = params.getValue("search");
setMode(MODE_BY_NAME, session);
setSearchText(search, session);
return PAGE_TOPIC_LIST;
} else if (action.equals(ACTION_SHOW_TOPIC_FORM)) {
String typeID = params.getValue("typeID");
setTypeID(typeID, session);
// if parameter "topicID" is set the specified topic is to be edited
String topicID = params.getValue("topicID");
if (topicID != null) {
session.setAttribute("topic", cm.getTopic(topicID, 1));
}
return PAGE_TOPIC_FORM;
} else if (action.equals(ACTION_SHOW_TOPIC_INFO)) {
String topicID = params.getValue("topicID");
session.setAttribute("topic", cm.getTopic(topicID, 1));
session.setAttribute("relTopics", cm.getRelatedTopics(topicID));
return PAGE_TOPIC_INFO;
} else if (action.equals(ACTION_SHOW_TOPICS)) {
String typeID = params.getValue("typeID");
setMode(MODE_BY_TYPE, session);
setTypeID(typeID, session);
return PAGE_TOPIC_LIST;
} else if (action.equals(ACTION_CREATE_TOPIC)) {
String typeID = params.getValue("typeID");
createTopic(typeID, params, session);
return PAGE_TOPIC_LIST;
} else if (action.equals(ACTION_UPDATE_TOPIC)) {
String typeID = params.getValue("typeID");
updateTopic(typeID, params, session);
return PAGE_TOPIC_LIST;
} else if (action.equals(ACTION_DELETE_TOPIC)) {
String topicID = params.getValue("topicID");
deleteTopic(topicID);
return PAGE_TOPIC_LIST;
} else {
return super.performAction(action, params, session);
}
}
private void setTypeID(String typeID, Session session) {
session.setAttribute("typeID", typeID);
System.out.println("> \"typeID\" stored in session: \"" + typeID + "\"");
}
private void setSearchText(String search, Session session) {
session.setAttribute("search", search);
System.out.println("> \"search\" stored in session: \"" + search + "\"");
}
private void setMode(String mode, Session session) {
session.setAttribute("mode", mode);
System.out.println("> \"mode\" stored in session: \"" + mode + "\"");
}
private void setUser(BaseTopic user, Session session) {
session.setAttribute("user", user);
System.out.println("> \"user\" stored in session: " + user);
}