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package javax.mvc.binding;

/**
 * Represents a single error that occurred while binding a parameter to a controller
 * method argument or controller field using a binding annotation like {@link
 * javax.ws.rs.FormParam}. Binding error message templates are read from a
 * {@link java.util.ResourceBundle} named BindingMessages.
 *
 * @author Christian Kaltepoth
 * @since 1.0
 */
public interface BindingError {

    /**
     * Returns the interpolated error message for this binding error.
     *
     * @return The human-readable error message
     */
    String getMessage();

    /**
     * The parameter name of the value that caused the binding error. This is usually
     * the name specified with the binding annotation (i.e. {@link javax.ws.rs.FormParam}).
     *
     * @return The name of the parameter which caused the error
     */
    String getParamName();

}