/**
* Expires a specific <tt>Content</tt> of this <tt>Conference</tt> (i.e. if the specified
* <tt>content</tt> is not in the list of <tt>Content</tt>s of this <tt>Conference</tt>, does
* nothing).
*
* @param content the <tt>Content</tt> to be expired by this <tt>Conference</tt>
*/
public void expireContent(Content content) {
boolean expireContent;
synchronized (contents) {
if (contents.contains(content)) {
contents.remove(content);
expireContent = true;
} else expireContent = false;
}
if (expireContent) content.expire();
}
/**
* Permanently removes locally stored message history for the chatroom, remove any recent contacts
* if any.
*/
public void eraseLocallyStoredHistory(ChatRoom room) {
ComparableEvtObj toRemove = null;
synchronized (recentMessages) {
for (ComparableEvtObj msg : recentMessages) {
if (msg.getRoom() != null && msg.getRoom().equals(room)) {
toRemove = msg;
break;
}
}
if (toRemove == null) return;
recentMessages.remove(toRemove);
}
if (recentQuery != null) recentQuery.fireContactRemoved(toRemove);
}
/**
* Remove Java language specific properties from the given list of property descriptors.
*
* @param properties is the list of property descriptors
*/
protected static void removeJavaProperties(List<InternalEventPropDescriptor> properties) {
List<InternalEventPropDescriptor> toRemove = new LinkedList<InternalEventPropDescriptor>();
// add removed entries to separate list
for (InternalEventPropDescriptor desc : properties) {
if ((desc.getPropertyName().equals("class"))
|| (desc.getPropertyName().equals("getClass"))
|| (desc.getPropertyName().equals("toString"))
|| (desc.getPropertyName().equals("hashCode"))) {
toRemove.add(desc);
}
}
// remove
for (InternalEventPropDescriptor desc : toRemove) {
properties.remove(desc);
}
}
/**
* Removed duplicate properties using the property name to find unique properties.
*
* @param properties is a list of property descriptors
*/
protected static void removeDuplicateProperties(List<InternalEventPropDescriptor> properties) {
LinkedHashMap<String, InternalEventPropDescriptor> set =
new LinkedHashMap<String, InternalEventPropDescriptor>();
List<InternalEventPropDescriptor> toRemove = new LinkedList<InternalEventPropDescriptor>();
// add duplicates to separate list
for (InternalEventPropDescriptor desc : properties) {
if (set.containsKey(desc.getPropertyName())) {
toRemove.add(desc);
continue;
}
set.put(desc.getPropertyName(), desc);
}
// remove duplicates
for (InternalEventPropDescriptor desc : toRemove) {
properties.remove(desc);
}
}
