svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.daltransform.app / org.gvsig.daltransform.app.join / src / main / java / org / gvsig / app / join / utils / TransformUtils.java @ 40558
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1 | 40558 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40558 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40435 | jjdelcerro | *
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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 | 40558 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * 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 | package org.gvsig.app.join.utils; |
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25 | |||
26 | import java.util.ArrayList; |
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27 | |||
28 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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29 | import org.gvsig.fmap.dal.feature.FeatureType; |
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30 | import org.gvsig.tools.dataTypes.DataTypes; |
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31 | |||
32 | |||
33 | /**
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34 | * {@link DataTypes}-related utility methods
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35 | *
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36 | * @author jldominguez
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37 | *
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38 | */
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39 | public class TransformUtils { |
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40 | |||
41 | public static boolean isNumericType(int t) { |
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42 | return (t == DataTypes.DOUBLE
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43 | || t == DataTypes.FLOAT |
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44 | || t == DataTypes.INT |
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45 | || t == DataTypes.LONG |
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46 | || t == DataTypes.BYTE); |
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47 | } |
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48 | |||
49 | public static boolean comparableTypes(int a, int b) { |
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50 | |||
51 | if (a == b) {
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52 | return true; |
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53 | } else {
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54 | return isNumericType(a) && isNumericType(b);
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55 | } |
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56 | |||
57 | } |
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58 | /**
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59 | * @param ft
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60 | * @param the_type
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61 | * @return
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62 | */
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63 | public static ArrayList<Integer> getComparableDataTypes( |
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64 | FeatureType ft, |
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65 | int the_type) {
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66 | |||
67 | ArrayList<Integer> resp = new ArrayList<Integer>(); |
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68 | |||
69 | FeatureAttributeDescriptor[] atts = ft.getAttributeDescriptors();
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70 | int len = atts.length;
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71 | for (int i=0; i<len; i++) { |
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72 | if (comparableTypes(the_type, atts[i].getType())) {
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73 | resp.add(atts[i].getType()); |
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74 | } |
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75 | } |
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76 | return resp;
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77 | } |
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78 | |||
79 | } |