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package com.pubnub.api;
import org.json.JSONArray;
import org.json.JSONObject;
import java.util.Enumeration;
import java.util.Hashtable;
/**
* @author PubnubCore
*
*/
class Subscriptions {
private Hashtable items;
void runConnectOnNewThread(final Callback callback, final String name, final JSONArray jsa) {
Runnable r = new Runnable(){
public void run() {
callback.connectCallback(name, jsa);
}
};
new Thread(r).start();
}
JSONObject state;
String filter;
public String getFilter() {
return filter;
}
public void setFilter(String filter) {
this.filter = filter;
}
public Subscriptions() {
items = new Hashtable();
state = new JSONObject();
}
public void addItem(SubscriptionItem item) {
items.put(item.name, item);
}
public void removeItem(String name) {
items.remove(name);
}
public void removeAllItems() {
items.clear();
}
public SubscriptionItem getFirstItem() {
SubscriptionItem ch = null;
synchronized (items) {
if (items.size() > 0) {
ch = (SubscriptionItem) items.elements().nextElement();
}
}
return ch;
}
public SubscriptionItem getItem(String name) {
return (SubscriptionItem) items.get(name);
}
public String[] getItemNames() {
return getItemNames(null);
}
public String[] getItemNames(String filter) {
return PubnubUtil.hashtableKeysToArray(items, filter);
}
public String getItemStringNoPresence() {
return PubnubUtil.hashTableKeysToDelimitedString(items, ",", Pubnub.PRESENCE_SUFFIX);
}
// TODO: review & remove
public String getItemStringSorted() {
return PubnubUtil.hashTableKeysToSortedSuffixString(items, ",", Pubnub.PRESENCE_SUFFIX);
}
public String getItemString() {
return getItemString(null);
}
public String getItemString(String filter) {
return PubnubUtil.hashTableKeysToDelimitedString(items, ",", filter);
}
public void invokeConnectCallbackOnItems(Object message) {
invokeConnectCallbackOnItems(getItemNames(), message);
}
public void invokeDisconnectCallbackOnItems(Object message) {
invokeDisconnectCallbackOnItems(getItemNames(), message);
}
public void invokeErrorCallbackOnItems(PubnubError error) {
/*
* Iterate over all the items and call error callback for items
*/
synchronized (items) {
Enumeration itemsElements = items.elements();
while (itemsElements.hasMoreElements()) {
SubscriptionItem _item = (SubscriptionItem) itemsElements.nextElement();
_item.error = true;
_item.callback.errorCallback(_item.name, error);
}
}
}
public void invokeConnectCallbackOnItems(String[] items, Object message) {
synchronized (items) {
for (int i = 0; i < items.length; i++) {
SubscriptionItem _item = (SubscriptionItem) this.items.get(items[i]);
if (_item != null) {
if (_item.connected == false) {
_item.connected = true;
if (_item.subscribed == false) {
//_item.callback.connectCallback(_item.name,
// new JSONArray().put(1).put("Subscribe connected").put(message));
runConnectOnNewThread(_item.callback, _item.name,
new JSONArray().put(1).put("Subscribe connected").put(message));
} else {
_item.subscribed = true;
_item.callback.reconnectCallback(_item.name,
new JSONArray().put(1).put("Subscribe reconnected").put(message));
}
}
}
}
}
}
public void invokeReconnectCallbackOnItems(Object message) {
invokeReconnectCallbackOnItems(getItemNames(), message);
}
public void invokeReconnectCallbackOnItems(String[] items, Object message) {
synchronized (items) {
for (int i = 0; i < items.length; i++) {
SubscriptionItem _item = (SubscriptionItem) this.items.get(items[i]);
if (_item != null) {
_item.connected = true;
if ( _item.error ) {
_item.callback.reconnectCallback(_item.name,
new JSONArray().put(1).put("Subscribe reconnected").put(message));
_item.error = false;
}
}
}
}
}
public void invokeDisconnectCallbackOnItems(String[] items, Object message) {
synchronized (items) {
for (int i = 0; i < items.length; i++) {
SubscriptionItem _item = (SubscriptionItem) this.items.get(items[i]);
if (_item != null) {
if (_item.connected == true) {
_item.connected = false;
_item.callback.disconnectCallback(_item.name,
new JSONArray().put(0).put("Subscribe unable to connect").put(message));
}
}
}
}
}
}