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package javax.faces.application;
import javax.faces.FacesException;
/**
* Implementations must throw this {@link FacesException} when
* attempting to restore the view {@link StateManager#restoreView(javax.faces.context.FacesContext, String, String)}
* results in failure on postback.
*
* @since 1.2
*/
public class ViewExpiredException extends FacesException {
// ----------------------------------------------------------- Constructors
/**
* Construct a new exception with no detail message or root cause.
*/
public ViewExpiredException() {
super();
}
/**
*Construct a new exception with the specified view identifier.
*
* @param viewId The view identifier for this exception
*/
public ViewExpiredException(String viewId) {
this.viewId = viewId;
}
/**
* Construct a new exception with the specified detail message and
* no root cause.
*
* @param message The detail message for this exception
* @param viewId The view identifier for this exception
*/
public ViewExpiredException(String message, String viewId) {
super(message);
this.viewId = viewId;
}
/**
* Construct a new exception with the specified root cause. The detail
* message will be set to (cause == null ? null :
* cause.toString()
*
* @param cause The root cause for this exception
* @param viewId The view identifier for this exception
*/
public ViewExpiredException(Throwable cause, String viewId) {
super(cause);
this.viewId = viewId;
}
/**
*
Construct a new exception with the specified detail message and
* root cause.
*
* @param message The detail message for this exception
* @param cause The root cause for this exception
* @param viewId The view identifier for this exception
*/
public ViewExpiredException(String message, Throwable cause, String viewId) {
super(message, cause);
this.viewId = viewId;
}
// ----------------------------------------------------- Instance Variables
/**
* The view identifier of the view that could not be restored.
*/
private String viewId = null;
// --------------------------------------------------------- Public Methods
/**
* Return the view identifier of this exception, or null if the
* view identifier is nonexistent or unknown.
*/
public String getViewId() {
return (this.viewId);
}
/**
* Return the message for this exception prepended with the view identifier
* if the view identifier is not null, otherwise, return the
* message.
*/
public String getMessage() {
if (viewId != null) {
return "viewId:" + viewId + " - " + super.getMessage();
}
return super.getMessage();
}
}