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package javax.faces.component;

import javax.faces.FacesException;
import javax.faces.application.FacesMessage;

/**
 * This exception indicates a failure to 
 * update the model and is created to wrap any exception
 * that occurs during {@link UIInput#updateModel}. The exception is then passed 
 * to {@link javax.faces.context.ExceptionHandler#processEvent}, where
 * the ExceptionHandler has an opportunity to handle it.
 *
 * @since 2.0
 */
public class UpdateModelException extends FacesException {

    private static final long serialVersionUID = 6081145672680351218L;

    private FacesMessage facesMessage;


    // ------------------------------------------------------------ Constructors


    /**
     * Store the argument
     * facesMessage so it may be returned from {@link
     * #getFacesMessage} and pass the argument cause to the
     * super constructor.
     * @param facesMessage the message for the exception
     * @param cause the cause of this exception
     *
     * @since 2.0
     */
    public UpdateModelException(FacesMessage facesMessage,  
                                Throwable cause) {

        super(cause);
        this.facesMessage = facesMessage;

    }


    // ---------------------------------------------------------- Public Methods
    /**
     * Return the FacesMessage
     * passed to the constructor.
     *
     * @since 2.0
     */

    public FacesMessage getFacesMessage() {

        return this.facesMessage;

    }

}