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}