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package javax.faces.component;
import javax.faces.context.FacesContext;
/**
* The renderer for this component is responsible for obtaining the
* messages from the {@link FacesContext} and displaying them to the
* user.
*
* This component supports the Messages renderer-type.
*
* By default, the rendererType property must be set to
* "javax.faces.Messages". This value can be changed by
* calling the setRendererType() method.
*
*
*/
public class UIMessages extends UIComponentBase {
// ------------------------------------------------------ Manifest Constants
/**
* The standard component type for this component.
*/
public static final String COMPONENT_TYPE = "javax.faces.Messages";
/**
* The standard component family for this component.
*/
public static final String COMPONENT_FAMILY = "javax.faces.Messages";
enum PropertyKeys {
forValue("for"),
globalOnly,
showDetail,
showSummary,
redisplay;
String toString;
PropertyKeys(String toString) {
this.toString = toString;
}
PropertyKeys() {
}
public String toString() {
return ((this.toString != null) ? this.toString : super.toString());
}
}
// ------------------------------------------------------------ Constructors
/**
* Create a new {@link UIMessages} instance with default property
* values.
*/
public UIMessages() {
super();
setRendererType("javax.faces.Messages");
}
// -------------------------------------------------------------- Properties
public String getFamily() {
return (COMPONENT_FAMILY);
}
/**
* Return the client identifier of the
* component for which this component represents associated message(s)
* (if any).
*/
public String getFor() {
return (String) getStateHelper().eval(PropertyKeys.forValue);
}
/**
* Set the client identifier of the component for which this
* component represents associated message(s) (if any). This
* property must be set before the message is displayed.
*
* @param newFor The new client id
*/
public void setFor(String newFor) {
getStateHelper().put(PropertyKeys.forValue, newFor);
}
/**
* Return the flag indicating whether only global messages (that
* is, messages with no associated client identifier) should be
* rendered. Mutually exclusive with the "for" property which takes
* precedence. Defaults to false.
*/
public boolean isGlobalOnly() {
return (Boolean) getStateHelper().eval(PropertyKeys.globalOnly, false);
}
/**
* Set the flag indicating whether only global messages (that is,
* messages with no associated client identifier) should be rendered.
*
* @param globalOnly The new flag value
*/
public void setGlobalOnly(boolean globalOnly) {
getStateHelper().put(PropertyKeys.globalOnly, globalOnly);
}
/**
* Return the flag indicating whether the detail
* property of the associated message(s) should be displayed.
* Defaults to false.
*/
public boolean isShowDetail() {
return (Boolean) getStateHelper().eval(PropertyKeys.showDetail, false);
}
/**
* Set the flag indicating whether the detail property
* of the associated message(s) should be displayed.
*
* @param showDetail The new flag
*/
public void setShowDetail(boolean showDetail) {
getStateHelper().put(PropertyKeys.showDetail, showDetail);
}
/**
* Return the flag indicating whether the summary
* property of the associated message(s) should be displayed.
* Defaults to true.
*/
public boolean isShowSummary() {
return (Boolean) getStateHelper().eval(PropertyKeys.showSummary, true);
}
/**
* Set the flag indicating whether the summary property
* of the associated message(s) should be displayed.
*
* @param showSummary The new flag value
*/
public void setShowSummary(boolean showSummary) {
getStateHelper().put(PropertyKeys.showSummary, showSummary);
}
/**
* @return true if this UIMessage instance should
* redisplay {@link javax.faces.application.FacesMessage}s that have already been handled,
* otherwise returns false. By default this method will
* always return true if {@link #setRedisplay(boolean)} has
* not been called.
*
* @since 2.0
*/
public boolean isRedisplay() {
return (Boolean) getStateHelper().eval(PropertyKeys.redisplay, true);
}
/**
* Set the flag indicating whether the detail property
* of the associated message(s) should be displayed.
*
* @param redisplay flag indicating whether previously handled messages
* are redisplayed or not
*
* @since 2.0
*/
public void setRedisplay(boolean redisplay) {
getStateHelper().put(PropertyKeys.redisplay, redisplay);
}
}