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.DeltaLong;
020import org.nuxeo.ecm.core.api.model.Property;
021import org.nuxeo.ecm.core.api.model.PropertyConversionException;
022import org.nuxeo.ecm.core.api.model.impl.ScalarProperty;
023import org.nuxeo.ecm.core.schema.types.Field;
024
025/**
026 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
027 */
028public class LongProperty extends ScalarProperty {
029
030    private static final long serialVersionUID = 4071336664294418041L;
031
032    public LongProperty(Property parent, Field field, int flags) {
033        super(parent, field, flags);
034    }
035
036    @Override
037    public boolean isNormalized(Object value) {
038        return value == null || value instanceof Long || value instanceof DeltaLong;
039    }
040
041    @Override
042    public Serializable normalize(Object value) throws PropertyConversionException {
043        if (isNormalized(value)) {
044            return (Serializable) value;
045        }
046        if (value.getClass() == String.class) {
047            String string = (String) value;
048            if (string.length() == 0) {
049                return null;
050            }
051            return Long.valueOf(value.toString());
052        }
053        if (value instanceof Number) {
054            return ((Number) value).longValue();
055        }
056        throw new PropertyConversionException(value.getClass(), Long.class);
057    }
058
059    @SuppressWarnings("unchecked")
060    @Override
061    public <T> T convertTo(Serializable value, Class<T> toType) throws PropertyConversionException {
062        if (value == null || Long.class == toType) {
063            return (T) value;
064        }
065        Long v = (Long) value;
066        if (toType == Integer.class) {
067            return (T) new Integer(v.intValue());
068        }
069        if (toType == String.class) {
070            return (T) v.toString();
071        }
072        if (toType == Double.class) {
073            return (T) new Double(v.doubleValue());
074        }
075        if (toType == Float.class) {
076            return (T) new Float(v.floatValue());
077        }
078        if (toType == Short.class) {
079            return (T) new Short(v.shortValue());
080        }
081        if (toType == Byte.class) {
082            return (T) new Byte(v.byteValue());
083        }
084        throw new PropertyConversionException(value.getClass(), toType);
085    }
086
087    @Override
088    public Object newInstance() {
089        return (long) 0;
090    }
091
092}