001/* 002 * (C) Copyright 2012 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * mcedica@nuxeo.com 016 * 017 * $Id$ 018 */ 019package org.nuxeo.ecm.webapp.widgets; 020 021import java.io.Serializable; 022import java.util.Date; 023import java.util.Map; 024 025import javax.faces.application.FacesMessage; 026import javax.faces.component.UIComponent; 027import javax.faces.component.UIInput; 028import javax.faces.context.FacesContext; 029import javax.faces.validator.ValidatorException; 030 031import org.apache.commons.logging.Log; 032import org.apache.commons.logging.LogFactory; 033import org.jboss.seam.ScopeType; 034import org.jboss.seam.annotations.In; 035import org.jboss.seam.annotations.Name; 036import org.jboss.seam.annotations.Scope; 037 038/** 039 * Compares two dates in a date range widget and throws a validation error if the second date is not superior to the 040 * first date. 041 * <p> 042 * Looks up component ids by reytrieving attributes on the validated component, named "startDateComponentId" and 043 * "endDateComponentId". 044 * 045 * @since 5.7 046 */ 047@Name("dateRangeValidator") 048@Scope(ScopeType.CONVERSATION) 049public class DateRangeValidator implements Serializable { 050 051 private static final long serialVersionUID = 1L; 052 053 @In(create = true) 054 protected Map<String, String> messages; 055 056 private static final Log log = LogFactory.getLog(DateRangeValidator.class); 057 058 public void validateDateRange(FacesContext context, UIComponent component, Object value) { 059 Map<String, Object> attributes = component.getAttributes(); 060 String startDateComponentId = (String) attributes.get("startDateComponentId"); 061 String endDateComponentId = (String) attributes.get("endDateComponentId"); 062 if (startDateComponentId == null || endDateComponentId == null) { 063 return; 064 } 065 066 UIInput startDateComp = (UIInput) component.findComponent(startDateComponentId); 067 UIInput endDateComp = (UIInput) component.findComponent(endDateComponentId); 068 if (startDateComp == null) { 069 log.error("Can not find component with id " + startDateComponentId); 070 return; 071 } 072 073 if (endDateComp == null) { 074 log.error("Can not find component with id " + endDateComponentId); 075 return; 076 } 077 Date stratDate = (Date) startDateComp.getLocalValue(); 078 Date endDate = (Date) endDateComp.getLocalValue(); 079 080 if (stratDate != null && endDate != null && endDate.compareTo(stratDate) < 0) { 081 FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_ERROR, String.format( 082 messages.get("error.dateRangeValidator.invalidDateRange"), stratDate, endDate), null); 083 throw new ValidatorException(message); 084 } 085 } 086}