/** * GRANITE DATA SERVICES * Copyright (C) 2006-2015 GRANITE DATA SERVICES S.A.S. * * This file is part of the Granite Data Services Platform. * * *** * * Community License: GPL 3.0 * * This file is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation, either version 3 of the License, * or (at your option) any later version. * * This file is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * *** * * Available Commercial License: GraniteDS SLA 1.0 * * This is the appropriate option if you are creating proprietary * applications and you are not prepared to distribute and share the * source code of your application under the GPL v3 license. * * Please visit http://www.granitedataservices.com/license for more * details. */ package org.granite.client.tide.validation; import java.util.HashSet; import java.util.Set; import javax.validation.ConstraintViolation; import org.granite.client.messaging.messages.responses.FaultMessage; import org.granite.client.messaging.messages.responses.FaultMessage.Code; import org.granite.client.tide.Context; import org.granite.client.tide.server.ExceptionHandler; import org.granite.client.tide.server.TideFaultEvent; import org.granite.client.validation.InvalidValue; import org.granite.client.validation.NotifyingValidatorFactory; import org.granite.client.validation.ServerConstraintViolation; /** * @author William DRAI */ public class ValidationExceptionHandler implements ExceptionHandler { @Override public boolean accepts(FaultMessage emsg) { return emsg.getCode().equals(Code.VALIDATION_FAILED); } @Override public void handle(Context context, FaultMessage emsg, TideFaultEvent faultEvent) { Object[] invalidValues = emsg.getExtended() != null ? (Object[])emsg.getExtended().get("invalidValues") : null; if (invalidValues != null) { Set<ConstraintViolation<?>> constraintViolations = new HashSet<ConstraintViolation<?>>(); for (Object v : invalidValues) { InvalidValue iv = (InvalidValue)v; Object rootBean = context.getEntityManager().getCachedObject(iv.getRootBean(), true); Object leafBean = null; if (iv.getBean() != null) { leafBean = context.getEntityManager().getCachedObject(iv.getBean(), true); if (leafBean == null) { // Embedded ? Object bean = rootBean; String[] path = iv.getPath().split("\\."); for (int i = 0; i < path.length-1; i++) bean = context.getDataManager().getPropertyValue(bean, path[i]); leafBean = bean; } } ServerConstraintViolation violation = new ServerConstraintViolation(iv, rootBean, leafBean); constraintViolations.add(violation); } NotifyingValidatorFactory notifyingValidatorFactory = context.byType(NotifyingValidatorFactory.class); if (notifyingValidatorFactory == null) throw new RuntimeException("No suitable validator factory defined, cannot process validation events"); notifyingValidatorFactory.getValidator().notifyConstraintViolations(null, constraintViolations); } } }