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Handles packets with no (explicit) id 

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2223 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Gaston Dombiak 2004-02-10 15:36:57 +00:00 committed by gdombiak
parent 15c6d3d49b
commit 627b38fe5b
1 changed files with 16 additions and 3 deletions
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19
source/org/jivesoftware/smack/packet/Packet.java
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@ -71,6 +71,13 @@ import java.io.*;
*/
public abstract class Packet {
/**
* Constant used as packetID to indicate that a packet has no id. To indicate that a packet
* has no id set this constant as the packet's id. When the packet is asked for its id the
* answer will be <tt>null</tt>.
*/
public static final String ID_NOT_AVAILABLE = "ID_NOT_AVAILABLE";
/**
* A prefix helps to make sure that ID's are unique across mutliple instances.
*/
@ -100,11 +107,16 @@ public abstract class Packet {
private XMPPError error = null;
/**
* Returns the unique ID of the packet.
* Returns the unique ID of the packet. The returned value could be <tt>null</tt> when
* ID_NOT_AVAILABLE was set as the packet's id.
*
* @return the packet's unique ID.
* @return the packet's unique ID or <tt>null</tt> if the packet's id is not available.
*/
public String getPacketID() {
if (ID_NOT_AVAILABLE.equals(packetID)) {
return null;
}
if (packetID == null) {
packetID = nextID();
}
@ -112,7 +124,8 @@ public abstract class Packet {
}
/**
* Sets the unique ID of the packet.
* Sets the unique ID of the packet. To indicate that a packet has no id
* pass the constant ID_NOT_AVAILABLE as the packet's id value.
*
* @param packetID the unique ID for the packet.
*/