001/*
002 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the Eclipse Public License v1.0
006 * which accompanies this distribution, and is available at
007 * http://www.eclipse.org/legal/epl-v10.html
008 *
009 * Contributors:
010 *     bstefanescu
011 *
012 * $Id$
013 */
014
015package org.nuxeo.ecm.core.api.model.impl.primitives;
016
017import java.io.Serializable;
018
019import org.nuxeo.ecm.core.api.model.Property;
020import org.nuxeo.ecm.core.api.model.PropertyConversionException;
021import org.nuxeo.ecm.core.api.model.impl.ScalarProperty;
022import org.nuxeo.ecm.core.schema.types.Field;
023
024/**
025 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
026 */
027public class DoubleProperty extends ScalarProperty {
028
029    private static final long serialVersionUID = 3764033209483557763L;
030
031    public DoubleProperty(Property parent, Field field, int flags) {
032        super(parent, field, flags);
033    }
034
035    @Override
036    public boolean isNormalized(Object value) {
037        return value == null || value.getClass() == Double.class;
038    }
039
040    @Override
041    public Serializable normalize(Object value) throws PropertyConversionException {
042        if (isNormalized(value)) {
043            return (Serializable) value;
044        }
045        if (value.getClass() == String.class) {
046            String string = (String) value;
047            if (string.length() == 0) {
048                return null;
049            }
050            return Double.valueOf(value.toString());
051        }
052        if (value instanceof Number) {
053            return ((Number) value).doubleValue();
054        }
055        throw new PropertyConversionException(value.getClass(), Double.class);
056    }
057
058    @SuppressWarnings("unchecked")
059    @Override
060    public <T> T convertTo(Serializable value, Class<T> toType) throws PropertyConversionException {
061        if (value == null || Double.class == toType) {
062            return (T) value;
063        }
064        Double v = (Double) value;
065        if (toType == Integer.class) {
066            return (T) new Integer(v.intValue());
067        }
068        if (toType == String.class) {
069            return (T) v.toString();
070        }
071        if (toType == Long.class) {
072            return (T) new Long(v.longValue());
073        }
074        if (toType == Float.class) {
075            return (T) new Float(v.floatValue());
076        }
077        if (toType == Short.class) {
078            return (T) new Short(v.shortValue());
079        }
080        if (toType == Byte.class) {
081            return (T) new Byte(v.byteValue());
082        }
083        throw new PropertyConversionException(value.getClass(), toType);
084    }
085
086    @Override
087    public Object newInstance() {
088        return (double) 0;
089    }
090
091}