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) {
049        if (isNormalized(value)) {
050            return (Serializable) value;
051        }
052        if (value instanceof String) {
053            String string = (String) value;
054            if (string.length() == 0) {
055                return null;
056            }
057            try {
058                return Double.valueOf(string);
059            } catch (NumberFormatException e) {
060                throw new PropertyConversionException(value.getClass(), Double.class, e.getMessage());
061            }
062        }
063        if (value instanceof Number) {
064            return ((Number) value).doubleValue();
065        }
066        throw new PropertyConversionException(value.getClass(), Double.class);
067    }
068
069    @SuppressWarnings("unchecked")
070    @Override
071    public <T> T convertTo(Serializable value, Class<T> toType) {
072        if (value == null || Double.class == toType) {
073            return (T) value;
074        }
075        Double v = (Double) value;
076        if (toType == Integer.class) {
077            return (T) Integer.valueOf(v.intValue());
078        }
079        if (toType == String.class) {
080            return (T) v.toString();
081        }
082        if (toType == Long.class) {
083            return (T) Long.valueOf(v.longValue());
084        }
085        if (toType == Float.class) {
086            return (T) Float.valueOf(v.floatValue());
087        }
088        if (toType == Short.class) {
089            return (T) Short.valueOf(v.shortValue());
090        }
091        if (toType == Byte.class) {
092            return (T) Byte.valueOf(v.byteValue());
093        }
094        throw new PropertyConversionException(value.getClass(), toType);
095    }
096
097    @Override
098    public Object newInstance() {
099        return (double) 0;
100    }
101
102}