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;
025
026import org.nuxeo.ecm.core.api.model.Property;
027import org.nuxeo.ecm.core.api.model.PropertyConversionException;
028import org.nuxeo.ecm.core.api.model.impl.ScalarProperty;
029import org.nuxeo.ecm.core.schema.types.Field;
030
031/**
032 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
033 */
034public class DoubleProperty extends ScalarProperty {
035
036    private static final long serialVersionUID = 3764033209483557763L;
037
038    public DoubleProperty(Property parent, Field field, int flags) {
039        super(parent, field, flags);
040    }
041
042    @Override
043    public boolean isNormalized(Object value) {
044        return value == null || value.getClass() == Double.class;
045    }
046
047    @Override
048    public Serializable normalize(Object value) throws PropertyConversionException {
049        if (isNormalized(value)) {
050            return (Serializable) value;
051        }
052        if (value.getClass() == String.class) {
053            String string = (String) value;
054            if (string.length() == 0) {
055                return null;
056            }
057            return Double.valueOf(value.toString());
058        }
059        if (value instanceof Number) {
060            return ((Number) value).doubleValue();
061        }
062        throw new PropertyConversionException(value.getClass(), Double.class);
063    }
064
065    @SuppressWarnings("unchecked")
066    @Override
067    public <T> T convertTo(Serializable value, Class<T> toType) throws PropertyConversionException {
068        if (value == null || Double.class == toType) {
069            return (T) value;
070        }
071        Double v = (Double) value;
072        if (toType == Integer.class) {
073            return (T) new Integer(v.intValue());
074        }
075        if (toType == String.class) {
076            return (T) v.toString();
077        }
078        if (toType == Long.class) {
079            return (T) new Long(v.longValue());
080        }
081        if (toType == Float.class) {
082            return (T) new Float(v.floatValue());
083        }
084        if (toType == Short.class) {
085            return (T) new Short(v.shortValue());
086        }
087        if (toType == Byte.class) {
088            return (T) new Byte(v.byteValue());
089        }
090        throw new PropertyConversionException(value.getClass(), toType);
091    }
092
093    @Override
094    public Object newInstance() {
095        return (double) 0;
096    }
097
098}