gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.lib / src / main / java / org / gvsig / tools / dataTypes / impl / coercion / CoerceToString.java @ 1965
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1 | 802 | cordinyana | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | *
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4 | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | */
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24 | 112 | jjdelcerro | package org.gvsig.tools.dataTypes.impl.coercion; |
25 | |||
26 | 989 | jjdelcerro | import java.text.NumberFormat; |
27 | import java.util.Locale; |
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28 | |||
29 | 112 | jjdelcerro | import org.gvsig.tools.dataTypes.CoercionException; |
30 | 989 | jjdelcerro | import org.gvsig.tools.dataTypes.DataTypesManager.CoercionWithLocale; |
31 | 112 | jjdelcerro | |
32 | 989 | jjdelcerro | public class CoerceToString implements CoercionWithLocale { |
33 | 112 | jjdelcerro | |
34 | 1588 | jjdelcerro | @Override
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35 | 1965 | jjdelcerro | public Object coerce(Object value) throws CoercionException { |
36 | if (value == null) { |
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37 | return null; |
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38 | } |
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39 | try {
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40 | if (!(value instanceof String)) { |
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41 | value = value.toString(); |
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42 | } |
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43 | return value;
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44 | } catch (Exception e) { |
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45 | throw new CoercionException(e); |
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46 | } |
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47 | 112 | jjdelcerro | |
48 | 1965 | jjdelcerro | } |
49 | 112 | jjdelcerro | |
50 | 1588 | jjdelcerro | @Override
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51 | 1965 | jjdelcerro | public Object coerce(Object value, Locale locale) throws CoercionException { |
52 | if (value == null) { |
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53 | return null; |
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54 | } |
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55 | try {
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56 | if (!(value instanceof String)) { |
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57 | if (value instanceof Float || value instanceof Double) { |
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58 | NumberFormat nf = NumberFormat.getInstance(locale); |
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59 | value = nf.format(((Number) value).doubleValue());
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60 | } else {
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61 | value = value.toString(); |
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62 | } |
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63 | } |
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64 | return value;
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65 | } catch (Exception e) { |
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66 | throw new CoercionException(e); |
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67 | } |
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68 | } |
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69 | 989 | jjdelcerro | |
70 | 112 | jjdelcerro | } |