001/*
002 * (C) Copyright 2013 Nuxeo SA (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-2.1.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 *     Guillaume Renard
016 */
017package org.nuxeo.ecm.platform.ui.web.component.date;
018
019import java.util.Calendar;
020import java.util.Date;
021
022import javax.faces.component.StateHolder;
023import javax.faces.component.UIComponent;
024import javax.faces.context.FacesContext;
025import javax.faces.validator.Validator;
026import javax.faces.validator.ValidatorException;
027
028import com.sun.faces.util.MessageFactory;
029
030/**
031 * A date validator to invalidate dates of which year has five digits.
032 *
033 * @since 5.7.2
034 */
035public class DateTimeValidator implements Validator, StateHolder {
036
037    public static final String VALIDATOR_ID = "NxDateValidator";
038
039    public static final String OUT_OF_RANGE_MESSAGE_ID = "error.dateYear.invalidValue";
040
041    private boolean transientValue = false;
042
043    @Override
044    public Object saveState(FacesContext context) {
045        return null;
046    }
047
048    @Override
049    public void restoreState(FacesContext context, Object state) {
050    }
051
052    @Override
053    public boolean isTransient() {
054        return transientValue;
055    }
056
057    @Override
058    public void setTransient(boolean newTransientValue) {
059        transientValue = newTransientValue;
060    }
061
062    @Override
063    public void validate(FacesContext context, UIComponent component, Object value) throws ValidatorException {
064        if ((context == null) || (component == null)) {
065            throw new NullPointerException();
066        }
067        if (value != null) {
068            Date date = (Date) value;
069            Calendar c = Calendar.getInstance();
070            c.setTime(date);
071            final int year = c.get(Calendar.YEAR);
072            if (year > 9999) {
073                throw new ValidatorException(MessageFactory.getMessage(context, OUT_OF_RANGE_MESSAGE_ID, year));
074            }
075        }
076    }
077}