gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.lib / src / main / java / org / gvsig / tools / dataTypes / impl / coercion / CoerceToInt.java @ 1588
History | View | Annotate | Download (4.82 KB)
| 1 | 802 | cordinyana | /**
|
|---|---|---|---|
| 2 | * gvSIG. Desktop Geographic Information System.
|
||
| 3 | *
|
||
| 4 | * Copyright (C) 2007-2013 gvSIG Association.
|
||
| 5 | *
|
||
| 6 | 1405 | jjdelcerro | * This program is free software; you can redistribute it and/or modify it under
|
| 7 | * the terms of the GNU General Public License as published by the Free Software
|
||
| 8 | * Foundation; either version 2 of the License, or (at your option) any later
|
||
| 9 | * version.
|
||
| 10 | 802 | cordinyana | *
|
| 11 | 1405 | jjdelcerro | * This program is distributed in the hope that it will be useful, but WITHOUT
|
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
||
| 13 | * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
||
| 14 | * details.
|
||
| 15 | 802 | cordinyana | *
|
| 16 | 1405 | jjdelcerro | * You should have received a copy of the GNU General Public License along with
|
| 17 | * this program; if not, write to the Free Software Foundation, Inc., 51
|
||
| 18 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
||
| 19 | 802 | cordinyana | *
|
| 20 | 1405 | jjdelcerro | * For any additional information, do not hesitate to contact us at info AT
|
| 21 | * gvsig.com, or visit our website www.gvsig.com.
|
||
| 22 | 802 | cordinyana | */
|
| 23 | 112 | jjdelcerro | package org.gvsig.tools.dataTypes.impl.coercion; |
| 24 | |||
| 25 | 1405 | jjdelcerro | import java.text.NumberFormat; |
| 26 | import java.text.ParsePosition; |
||
| 27 | 1588 | jjdelcerro | import java.util.Date; |
| 28 | 1405 | jjdelcerro | import java.util.Locale; |
| 29 | import org.apache.commons.lang3.StringUtils; |
||
| 30 | 112 | jjdelcerro | import org.gvsig.tools.dataTypes.CoercionException; |
| 31 | 1405 | jjdelcerro | import org.gvsig.tools.dataTypes.DataTypesManager.CoercionWithLocale; |
| 32 | 112 | jjdelcerro | |
| 33 | 1405 | jjdelcerro | public class CoerceToInt implements CoercionWithLocale { |
| 34 | 112 | jjdelcerro | |
| 35 | 1405 | jjdelcerro | @Override
|
| 36 | public Object coerce(Object value) throws CoercionException { |
||
| 37 | if (value == null) { |
||
| 38 | return null; |
||
| 39 | } |
||
| 40 | try {
|
||
| 41 | if (!(value instanceof Integer)) { |
||
| 42 | if (value instanceof Number) { |
||
| 43 | value = ((Number) value).intValue();
|
||
| 44 | 1588 | jjdelcerro | } else if( value instanceof Boolean ) { |
| 45 | return (boolean)value ? 1:0; |
||
| 46 | } else if (value instanceof Date) { |
||
| 47 | value = (int)(((Date)value).getTime()); |
||
| 48 | 1405 | jjdelcerro | } else {
|
| 49 | String s = value.toString();
|
||
| 50 | if (s == null) { |
||
| 51 | return null; |
||
| 52 | } |
||
| 53 | s = s.trim().toLowerCase(); |
||
| 54 | if (s.length() == 0) { |
||
| 55 | return null; |
||
| 56 | } |
||
| 57 | if (s.startsWith("0x")) { |
||
| 58 | value = Integer.valueOf(s.substring(2), 16); |
||
| 59 | } else {
|
||
| 60 | try {
|
||
| 61 | value = Integer.valueOf(s);
|
||
| 62 | } catch (NumberFormatException ex) { |
||
| 63 | value = Float.valueOf(s);
|
||
| 64 | value = ((Number) value).intValue();
|
||
| 65 | } |
||
| 66 | } |
||
| 67 | } |
||
| 68 | } |
||
| 69 | return value;
|
||
| 70 | } catch (Exception e) { |
||
| 71 | throw new CoercionException(e); |
||
| 72 | } |
||
| 73 | } |
||
| 74 | 112 | jjdelcerro | |
| 75 | 1405 | jjdelcerro | @Override
|
| 76 | public Object coerce(Object value, Locale locale) throws CoercionException { |
||
| 77 | if (value == null) { |
||
| 78 | return null; |
||
| 79 | } |
||
| 80 | try {
|
||
| 81 | if (!(value instanceof Integer)) { |
||
| 82 | if (value instanceof Number) { |
||
| 83 | value = ((Number) value).intValue();
|
||
| 84 | 1588 | jjdelcerro | } else if( value instanceof Boolean ) { |
| 85 | return (boolean)value ? 1:0; |
||
| 86 | } else if (value instanceof Date) { |
||
| 87 | value = (int)(((Date)value).getTime()); |
||
| 88 | 1405 | jjdelcerro | } else {
|
| 89 | String s = value.toString().trim().toLowerCase();
|
||
| 90 | if( StringUtils.isBlank(s) ) {
|
||
| 91 | return null; |
||
| 92 | } |
||
| 93 | s = s.trim().toLowerCase(); |
||
| 94 | if (s.length() == 0) { |
||
| 95 | return null; |
||
| 96 | } |
||
| 97 | if (s.startsWith("0x")) { |
||
| 98 | value = Integer.valueOf(s.substring(2), 16); |
||
| 99 | } else {
|
||
| 100 | try {
|
||
| 101 | value = Integer.valueOf(s);
|
||
| 102 | } catch (NumberFormatException ex) { |
||
| 103 | ParsePosition p = new ParsePosition(0); |
||
| 104 | NumberFormat nf = NumberFormat.getInstance(locale); |
||
| 105 | Number num = nf.parse(s, p);
|
||
| 106 | if (p.getErrorIndex() > 0 || p.getIndex() < s.length()) { |
||
| 107 | throw new CoercionException("Can't coerce '"+s+"' to integer with locale " + (locale==null?"null":locale.getLanguage()) + "(error index "+p.getErrorIndex()+", index "+p.getIndex()+")."); |
||
| 108 | } |
||
| 109 | value = ((Number) num).intValue();
|
||
| 110 | } |
||
| 111 | } |
||
| 112 | } |
||
| 113 | } |
||
| 114 | return value;
|
||
| 115 | } catch (Exception e) { |
||
| 116 | throw new CoercionException("Can't coerce '"+(value==null?"null":value.toString())+"' to integer with locale " + (locale==null?"null":locale.getLanguage())+"'.",e); |
||
| 117 | } |
||
| 118 | } |
||
| 119 | |||
| 120 | 112 | jjdelcerro | } |