// Copyright 2004, 2005 The Apache Software Foundation
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
For each field, a flag is stored indicating if the field is, in fact, in
error. The input supplied by the client is stored so that if the form is
re-rendered (as is typically done when there are input errors), the value
entered by the user can be displayed back to the user. An error message
renderer is stored; this is an object that can render the error message (it
is usually a
around a simple string).
toString()that does not produce markup, but is a simple message.
responsible for rendering the error, or null if none is set.
that caused the field error.