Package rocks.xmpp.core.stanza.model
Enum Message.Type
- java.lang.Object
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- java.lang.Enum<Message.Type>
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- rocks.xmpp.core.stanza.model.Message.Type
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- All Implemented Interfaces:
Serializable
,Comparable<Message.Type>
- Enclosing class:
- Message
public static enum Message.Type extends Enum<Message.Type>
Represents a<message/>
'type' attribute.Common uses of the message stanza in instant messaging applications include: single messages; messages sent in the context of a one-to-one chat session; messages sent in the context of a multi-user chat room; alerts, notifications, or other information to which no reply is expected; and errors. These uses are differentiated via the 'type' attribute.
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Enum Constant Summary
Enum Constants Enum Constant Description CHAT
The message is sent in the context of a one-to-one chat session.ERROR
The message is generated by an entity that experiences an error when processing a message received from another entity.GROUPCHAT
The message is sent in the context of a multi-user chat environment (similar to that of [IRC]).HEADLINE
The message provides an alert, a notification, or other transient information to which no reply is expected (e.g., news headlines, sports updates, near-real-time market data, or syndicated content).NORMAL
The message is a standalone message that is sent outside the context of a one-to-one conversation or groupchat, and to which it is expected that the recipient will reply.
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static Message.Type
valueOf(String name)
Returns the enum constant of this type with the specified name.static Message.Type[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Detail
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NORMAL
public static final Message.Type NORMAL
The message is a standalone message that is sent outside the context of a one-to-one conversation or groupchat, and to which it is expected that the recipient will reply. Typically a receiving client will present a message of type "normal" in an interface that enables the recipient to reply, but without a conversation history. The default value of the 'type' attribute is "normal".
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CHAT
public static final Message.Type CHAT
The message is sent in the context of a one-to-one chat session. Typically an interactive client will present a message of type "chat" in an interface that enables one-to-one chat between the two parties, including an appropriate conversation history.
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HEADLINE
public static final Message.Type HEADLINE
The message provides an alert, a notification, or other transient information to which no reply is expected (e.g., news headlines, sports updates, near-real-time market data, or syndicated content). Because no reply to the message is expected, typically a receiving client will present a message of type "headline" in an interface that appropriately differentiates the message from standalone messages, chat messages, and groupchat messages (e.g., by not providing the recipient with the ability to reply). If the 'to' address is the bare JID, the receiving server SHOULD deliver the message to all of the recipient's available resources with non-negative presence priority and MUST deliver the message to at least one of those resources; if the 'to' address is a full JID and there is a matching resource, the server MUST deliver the message to that resource; otherwise the server MUST either silently ignore the message or return an error.
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GROUPCHAT
public static final Message.Type GROUPCHAT
The message is sent in the context of a multi-user chat environment (similar to that of [IRC]). Typically a receiving client will present a message of type "groupchat" in an interface that enables many-to-many chat between the parties, including a roster of parties in the chatroom and an appropriate conversation history. For detailed information about XMPP-based groupchat, refer to [XEP-0045].
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ERROR
public static final Message.Type ERROR
The message is generated by an entity that experiences an error when processing a message received from another entity. A client that receives a message of type "error" SHOULD present an appropriate interface informing the original sender regarding the nature of the error.
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Method Detail
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values
public static Message.Type[] values()
Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:for (Message.Type c : Message.Type.values()) System.out.println(c);
- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
public static Message.Type valueOf(String name)
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
IllegalArgumentException
- if this enum type has no constant with the specified nameNullPointerException
- if the argument is null
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