001/*
002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bstefanescu
018 *
019 * $Id$
020 */
021
022package org.nuxeo.ecm.core.api.model.impl.primitives;
023
024import java.io.Serializable;
025import java.util.Calendar;
026import java.util.Date;
027
028import org.nuxeo.ecm.core.api.model.Property;
029import org.nuxeo.ecm.core.api.model.PropertyConversionException;
030import org.nuxeo.ecm.core.api.model.impl.ScalarProperty;
031import org.nuxeo.ecm.core.schema.types.Field;
032
033/**
034 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
035 */
036public class DateProperty extends ScalarProperty {
037
038    private static final long serialVersionUID = -7344978155078073495L;
039
040    public DateProperty(Property parent, Field field, int flags) {
041        super(parent, field, flags);
042    }
043
044    @Override
045    public boolean isNormalized(Object value) {
046        return value == null || value instanceof Calendar;
047    }
048
049    @Override
050    public Serializable normalize(Object value) throws PropertyConversionException {
051        if (isNormalized(value)) {
052            return (Serializable) value;
053        }
054        if (value.getClass() == Date.class) {
055            Calendar cal = Calendar.getInstance();
056            cal.setTime((Date) value);
057            return cal;
058        }
059        if (value instanceof String) {
060            String string = (String) value;
061            if (string.length() == 0) {
062                return null;
063            }
064            return (Calendar) field.getType().decode(value.toString());
065        }
066        throw new PropertyConversionException(value.getClass(), Calendar.class);
067    }
068
069    @SuppressWarnings("unchecked")
070    @Override
071    public <T> T convertTo(Serializable value, Class<T> toType) throws PropertyConversionException {
072        if (value == null || toType == Calendar.class) {
073            return (T) value;
074        }
075        if (toType == Date.class) {
076            return (T) ((Calendar) value).getTime();
077        }
078        throw new PropertyConversionException(value.getClass(), toType);
079    }
080
081    @Override
082    public Object newInstance() {
083        return Calendar.getInstance();
084    }
085
086}