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luni, 18 mai 2015

[OmniFaces utilities 2.0] Create/add a parameterized global (or to the given client ID) WARNING faces message


[OmniFaces utilities] The createWarn() method create a WARN faces message with the given message body which is formatted with the given parameters.
[OmniFaces utilities] The addWarn() method add a WARN faces message to the given clientId, with the given message body which is formatted with the given parameters.

Method Messages#createWarn()- Create a WARN faces message with the given message body which is formatted with the given parameters

Method Messages#addWarn()- Add a WARN faces message to the given clientId, with the given message body which is formatted with the given parameters
See also: Faces#getContext()
Usage:

private static final String USER_WARN = "The {0} user has reached the maximum number, {1}, of submissions !";

import org.omnifaces.util.Messages;
...
// for a certain component, replace null with clientId
FacesMessage warn = Messages.createWarn(USER_WARN, "Mark Rightwer", 5);
// add the warn FacesMessage to the current list of messages, or/and do some something else with it
Messages.add(null, warn);

// or, if you just want to add it in the messages list, use directly Messages#addWarn()
// for a certain component, replace null with clientId
Messages.addWarn(null, USER_WARN, "Mark Rightwer", 5);

Output:
The Mark Rightwer user has reached the maximum number, 5, of submissions !

Note Don't forget to use in page where the messages are displayed the <h:messages>, for global messages, <h:message>, for component messages, or any other approach capable to display the messages.

Note By default, this example uses the OmniFaces default message resolver, but you can use your own message resolver as in Working with OmniFaces Message Resolvers.

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