Java tutorial
/* * Copyright 2009-2012 the original author or authors. * * 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 * * http://www.apache.org/licenses/LICENSE-2.0 * * 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. */ package org.jdal.vaadin.ui.bind; import java.io.Serializable; import java.util.HashSet; import java.util.Set; import org.jdal.beans.StaticMessageSource; import org.jdal.ui.validation.ErrorProcessor; import org.springframework.validation.FieldError; import com.vaadin.server.UserError; import com.vaadin.ui.AbstractField; /** * @author Jose Luis Martin - (jlm@joseluismartin.info) * */ public class UserErrorProcessor implements ErrorProcessor, Serializable { private Set<AbstractField<?>> fieldSet = new HashSet<AbstractField<?>>(); /** * {@inheritDoc} */ public void processError(Object control, FieldError error) { if (control instanceof AbstractField) { AbstractField<?> f = (AbstractField<?>) control; f.setComponentError(new UserError(StaticMessageSource.getMessage(error))); fieldSet.add(f); } } /** * {@inheritDoc} */ public void reset() { for (AbstractField<?> f : fieldSet) f.setComponentError(null); fieldSet.clear(); } }