JSF HTML Tag Reference

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12. JSF Tag Reference

Contents > JSF Tag Reference > JSF HTML Tags

10. JSF HTML Tag Reference

Contents > JSF HTML Tag Reference > h:message

h:message

The message tag renders a message for a specific component. You can customize the message generated by this component by applying different CSS styles to the message depending on its severity (eg. red for error, green for information) as well as the detail level of the message itself. You can also customize the standard error messages by overriding specific JSF properties in your message bundle.

Example:

<h:inputText id="username" required="#{true}" value="#{userBean.user.username}" errorStyle="color:red" />
<h:message for="username" />

HTML Output

<input type="text" id="form:username" name="form:username" value="" />
<span style="color:red">"username": Value is required.</span>

Tag Attributes

binding	String

The value-binding expression linking this component tag to a backing bean property.

errorClass	String

The errorClass attribute sets the CSS style class to apply to a message with a severity level of "ERROR".

errorStyle	String

The errorStyle attribute sets the CSS style or styles to apply to a message with a severity level of "ERROR".

fatalClass	String

The fatalClass attribute sets the CSS style class to apply to a message with a severity level of "FATAL".

fatalStyle	String

The fatalStyle attribute sets the CSS style or styles to apply to a message with a severity level of "FATAL".

for	String
Required
The for attribute is required and expects the component identifier of another component for which it should display a message.

id	String

The unique identifier value for this component. The value must be unique within the closest naming container.

infoClass	String

The infoClass attribute sets the CSS style class to apply to a message with a severity level of "INFO".

infoStyle	String

The infoStyle attribute sets the CSS style or styles to apply to a message with a severity level of "INFO".

rendered	String

A value-binding expression that evaluates to a Boolean condition indicating if this component should be rendered.

showDetail	String

The showDetail attribute is a boolean flag indicating whether the detail part of the message should be included. The default value is "true".

showSummary	String

The showSummary attribute is a boolean flag indicating whether the summary part of the message should be included. The default value is "false".

style	String

The style attribute sets the CSS style definition to be applied to this component when it is rendered.

styleClass	String

The styleClass attribute sets the CSS class to apply to this component when it is rendered.

title	String

The title attribute is a standard HTML attribute that sets the tooltip text to display for the rendered component.

warnClass	String

The warnClass attribute sets the CSS style class to apply to a message with a severity level of "WARN".

warnStyle	String

The warnStyle attribute sets the CSS style or styles to apply to a message with a severity level of "WARN".