root / trunk / extensions / extCatalogYNomenclator / src / es / gva / cit / gvsig / catalogClient / loaders / PostgisLoader.java @ 2886
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1 | 2873 | jorpiell | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | package es.gva.cit.gvsig.catalogClient.loaders; |
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42 | |||
43 | 2883 | jorpiell | import java.sql.Connection; |
44 | import java.sql.DriverManager; |
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45 | import java.sql.SQLException; |
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46 | import java.util.StringTokenizer; |
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47 | 2886 | jorpiell | import java.util.TreeMap; |
48 | 2883 | jorpiell | |
49 | import com.hardcode.driverManager.DriverLoadException; |
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50 | import com.iver.cit.gvsig.fmap.drivers.DefaultDBDriver; |
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51 | import com.iver.cit.gvsig.fmap.drivers.VectorialJDBCDriver; |
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52 | 2886 | jorpiell | import com.iver.cit.gvsig.fmap.drivers.jdbc.postgis.PostGisDriver; |
53 | 2883 | jorpiell | import com.iver.cit.gvsig.fmap.layers.FLayer; |
54 | import com.iver.cit.gvsig.fmap.layers.LayerFactory; |
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55 | |||
56 | |||
57 | |||
58 | 2873 | jorpiell | /**
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59 | 2883 | jorpiell | * This class is used to load a POSTGIS resource in gvSIG
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60 | *
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61 | 2873 | jorpiell | * @author Jorge Piera Llodra (piera_jor@gva.es)
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62 | */
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63 | 2883 | jorpiell | |
64 | 2873 | jorpiell | public class PostgisLoader extends AbstractLoader{ |
65 | 2883 | jorpiell | /**
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66 | * This function adds a Postgis Layer to gvSIG
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67 | * @param jdbcUrl
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68 | * JDBC url connection
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69 | * @param table
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70 | * Table to load
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71 | */
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72 | |||
73 | public boolean load(String jdbcUrl, String table) { |
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74 | FLayer flayer; |
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75 | try {
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76 | flayer = createPostgisLayer(jdbcUrl, table); |
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77 | if (flayer == null){ |
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78 | return false; |
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79 | }else{
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80 | addLayerToView(flayer); |
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81 | return true; |
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82 | } |
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83 | } catch (SQLException e) { |
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84 | // TODO Auto-generated catch block
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85 | e.printStackTrace(); |
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86 | } catch (DriverLoadException e) {
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87 | // TODO Auto-generated catch block
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88 | e.printStackTrace(); |
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89 | } catch (ClassNotFoundException e) { |
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90 | // TODO Auto-generated catch block
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91 | e.printStackTrace(); |
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92 | } |
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93 | return false; |
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94 | |||
95 | } |
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96 | |||
97 | /**
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98 | * It returns a Postgis Layer
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99 | * @param jdbcUrl
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100 | * JDBC url connection
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101 | * @param table
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102 | * Table to load
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103 | * @return
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104 | * @throws SQLException
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105 | * @throws DriverLoadException
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106 | * @throws ClassNotFoundException
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107 | */
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108 | 2886 | jorpiell | private FLayer createPostgisLayer(String jdbcUrl, String table) throws SQLException, DriverLoadException, ClassNotFoundException { |
109 | 2883 | jorpiell | //jdbc:postgresql://sercartlin/carto_300k?user=gis&password=gis
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110 | 2886 | jorpiell | //NAME=Comunicaciones&TABLENAME=comunic_lin_300k&ID=6&FIELDS=entity,layer,codigo,tipo,gid&GEOMFIELD=the_geom
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111 | 2883 | jorpiell | StringTokenizer sti = new StringTokenizer(jdbcUrl,"?"); |
112 | String dbURL = sti.nextToken();
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113 | |||
114 | 2886 | jorpiell | String p = sti.nextToken();
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115 | |||
116 | TreeMap credentials = separateParams(p);
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117 | String user = (String) credentials.get((String) "USER"); |
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118 | String pwd = (String) credentials.get((String) "PASSWORD"); |
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119 | 2883 | jorpiell | |
120 | 2886 | jorpiell | TreeMap params = separateParams(table);
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121 | String layerName = (String) params.get((String) "NAME"); |
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122 | int fidField = Integer.valueOf((String) params.get((String) "ID")).intValue(); |
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123 | String fields = getFieldsClause((String) params.get((String) "FIELDS"), |
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124 | (String) params.get((String) "GEOMFIELD")); |
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125 | String tableName = (String) params.get((String) "TABLENAME"); |
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126 | 2883 | jorpiell | String whereClause = ""; |
127 | 2886 | jorpiell | |
128 | |||
129 | 2883 | jorpiell | Connection conn = DriverManager.getConnection(dbURL, user, pwd); |
130 | conn.setAutoCommit(false);
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131 | 2873 | jorpiell | |
132 | 2886 | jorpiell | PostGisDriver pgd = new PostGisDriver();
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133 | pgd.setData(conn, tableName, fields, whereClause, fidField); |
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134 | |||
135 | return LayerFactory.createDBLayer(pgd, layerName, null); |
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136 | } |
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137 | |||
138 | private String getFieldsClause(String fields,String geomField){ |
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139 | return "ASBINARY(" + geomField + ", 'XDR')," + fields; |
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140 | 2873 | jorpiell | } |
141 | 2886 | jorpiell | |
142 | private TreeMap separateParams(String pairValues){ |
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143 | TreeMap map = new TreeMap(); |
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144 | String[] params = pairValues.split("&"); |
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145 | for (int i = 0; i < params.length; i++) { |
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146 | String[] nameValue = params[i].split("="); |
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147 | map.put(nameValue[0].toUpperCase(), nameValue[1]); |
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148 | } |
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149 | return map;
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150 | } |
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151 | 2873 | jorpiell | } |