svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.file / org.gvsig.fmap.dal.file.shp / src / main / java / org / gvsig / fmap / dal / store / shp / SHPFeatureProvider.java @ 40559
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1 | 40559 | jjdelcerro | /**
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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 3
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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 | 40435 | jjdelcerro | package org.gvsig.fmap.dal.store.shp; |
25 | |||
26 | import org.gvsig.fmap.dal.exception.DataException; |
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27 | import org.gvsig.fmap.dal.exception.ReadRuntimeException; |
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28 | import org.gvsig.fmap.dal.feature.FeatureType; |
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29 | import org.gvsig.fmap.dal.feature.spi.DefaultFeatureProvider; |
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30 | import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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31 | import org.gvsig.fmap.geom.Geometry; |
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32 | import org.gvsig.fmap.geom.primitive.Envelope; |
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33 | |||
34 | public class SHPFeatureProvider extends DefaultFeatureProvider { |
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35 | protected SHPStoreProvider store;
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36 | protected boolean loading; |
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37 | protected boolean loaded; |
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38 | |||
39 | |||
40 | public SHPFeatureProvider(SHPStoreProvider store, FeatureType type) {
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41 | super(type);
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42 | this.store = store;
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43 | loading = false;
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44 | loaded = false;
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45 | } |
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46 | |||
47 | protected void load() { |
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48 | if (loading || loaded || this.isNew()) { |
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49 | return;
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50 | } |
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51 | loading = true;
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52 | try {
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53 | this.store.loadFeatureProviderByIndex(this); |
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54 | } catch (DataException e) {
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55 | throw new ReadRuntimeException("DBFFeatureProvider.load", e); |
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56 | } finally {
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57 | loading = false;
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58 | loaded = true;
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59 | } |
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60 | } |
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61 | |||
62 | public void set(int i, Object value) { |
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63 | this.load();
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64 | super.set(i, value);
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65 | } |
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66 | |||
67 | public void set(String name, Object value) { |
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68 | this.load();
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69 | super.set(featureType.getIndex(name), value);
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70 | } |
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71 | |||
72 | public Object get(int i) { |
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73 | this.load();
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74 | return super.get(i); |
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75 | } |
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76 | |||
77 | public Object get(String name) { |
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78 | this.load();
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79 | return super.get(name); |
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80 | } |
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81 | |||
82 | public Geometry getDefaultGeometry() {
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83 | this.load();
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84 | return this.defaultGeometry; |
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85 | } |
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86 | |||
87 | public Envelope getDefaultEnvelope() {
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88 | return this.envelope; |
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89 | } |
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90 | |||
91 | public void setOID(Object oid) { |
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92 | this.loaded = false; |
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93 | super.setOID(oid);
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94 | } |
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95 | |||
96 | public FeatureProvider getCopy() {
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97 | this.load();
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98 | return super.getCopy(); |
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99 | } |
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100 | |||
101 | } |