root / tags / v1_0_2_Build_909 / extensions / extCatalogYNomenclator / src / es / gva / cit / gvsig / catalogClient / loaders / PostgisLayerLoader.java @ 11150
History | View | Annotate | Download (4.65 KB)
1 | 3818 | jorpiell | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
---|---|---|---|
2 | *
|
||
3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
||
4 | *
|
||
5 | * This program is free software; you can redistribute it and/or
|
||
6 | * modify it under the terms of the GNU General Public License
|
||
7 | * as published by the Free Software Foundation; either version 2
|
||
8 | * of the License, or (at your option) any later version.
|
||
9 | *
|
||
10 | * This program is distributed in the hope that it will be useful,
|
||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
13 | * GNU General Public License for more details.
|
||
14 | *
|
||
15 | * You should have received a copy of the GNU General Public License
|
||
16 | * along with this program; if not, write to the Free Software
|
||
17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
||
18 | *
|
||
19 | * For more information, contact:
|
||
20 | *
|
||
21 | * Generalitat Valenciana
|
||
22 | * Conselleria d'Infraestructures i Transport
|
||
23 | * Av. Blasco Ib??ez, 50
|
||
24 | * 46010 VALENCIA
|
||
25 | * SPAIN
|
||
26 | *
|
||
27 | * +34 963862235
|
||
28 | * gvsig@gva.es
|
||
29 | * www.gvsig.gva.es
|
||
30 | *
|
||
31 | * or
|
||
32 | *
|
||
33 | * IVER T.I. S.A
|
||
34 | * Salamanca 50
|
||
35 | * 46005 Valencia
|
||
36 | * Spain
|
||
37 | *
|
||
38 | * +34 963163400
|
||
39 | * dac@iver.es
|
||
40 | */
|
||
41 | package es.gva.cit.gvsig.catalogClient.loaders; |
||
42 | |||
43 | import java.sql.SQLException; |
||
44 | 4838 | jorpiell | import java.util.Map; |
45 | 3818 | jorpiell | import java.util.StringTokenizer; |
46 | import java.util.TreeMap; |
||
47 | |||
48 | 4713 | cesar | import org.gvsig.i18n.Messages; |
49 | |||
50 | 3818 | jorpiell | import com.hardcode.driverManager.DriverLoadException; |
51 | import com.iver.cit.gvsig.fmap.layers.FLayer; |
||
52 | 4838 | jorpiell | import com.iver.utiles.extensionPoints.ExtensionPoint; |
53 | import com.iver.utiles.extensionPoints.ExtensionPointsSingleton; |
||
54 | 3818 | jorpiell | |
55 | import es.gva.cit.catalogClient.schemas.discoverer.Resource; |
||
56 | 4838 | jorpiell | import es.gva.cit.catalogClient.utils.Strings; |
57 | 3818 | jorpiell | |
58 | |||
59 | /**
|
||
60 | * This class is used to load a POSTGIS resource in gvSIG
|
||
61 | *
|
||
62 | * @author Jorge Piera Llodra (piera_jor@gva.es)
|
||
63 | */
|
||
64 | |||
65 | public class PostgisLayerLoader extends LayerLoader{ |
||
66 | |||
67 | |||
68 | |||
69 | 4713 | cesar | public PostgisLayerLoader(Resource resource) {
|
70 | super(resource);
|
||
71 | 3818 | jorpiell | } |
72 | |||
73 | /**
|
||
74 | * This function adds a Postgis Layer to gvSIG
|
||
75 | * @param jdbcUrl
|
||
76 | * JDBC url connection
|
||
77 | * @param table
|
||
78 | * Table to load
|
||
79 | * @throws LayerLoaderException
|
||
80 | */
|
||
81 | public void loadLayer() throws LayerLoaderException { |
||
82 | FLayer flayer; |
||
83 | String jdbcUrl = getResource().getLinkage();
|
||
84 | String table = getResource().getName();
|
||
85 | 4838 | jorpiell | flayer = createPostgisLayer(jdbcUrl, table); |
86 | addLayerToView(flayer); |
||
87 | } |
||
88 | 3818 | jorpiell | |
89 | /**
|
||
90 | * It returns a Postgis Layer
|
||
91 | * @param jdbcUrl
|
||
92 | * JDBC url connection
|
||
93 | * @param table
|
||
94 | * Table to load
|
||
95 | * @return
|
||
96 | * @throws SQLException
|
||
97 | * @throws DriverLoadException
|
||
98 | * @throws ClassNotFoundException
|
||
99 | 4838 | jorpiell | * @throws LayerLoaderException
|
100 | 3818 | jorpiell | */
|
101 | 4838 | jorpiell | private FLayer createPostgisLayer(String jdbcUrl, String table) throws LayerLoaderException { |
102 | ExtensionPoint extensionPoint = (ExtensionPoint)ExtensionPointsSingleton.getInstance().get("CatalogLayers");
|
||
103 | Map args = createParamsMap(jdbcUrl,table);
|
||
104 | try {
|
||
105 | return (FLayer)extensionPoint.create("POSTGIS", args ); |
||
106 | } catch(Exception e) { |
||
107 | throw new LayerLoaderException(getErrorMessage(),getWindowMessage()); |
||
108 | } |
||
109 | } |
||
110 | |||
111 | /**
|
||
112 | * Creates a Map with all the params
|
||
113 | * @param jdbcUrl
|
||
114 | * JDBC url connection
|
||
115 | * @param table
|
||
116 | * Table to load
|
||
117 | * @return
|
||
118 | * Map
|
||
119 | */
|
||
120 | private Map createParamsMap(String jdbcUrl, String table){ |
||
121 | StringTokenizer sti = new StringTokenizer(jdbcUrl,"?"); |
||
122 | 3818 | jorpiell | String dbURL = sti.nextToken();
|
123 | String p = sti.nextToken();
|
||
124 | 4838 | jorpiell | TreeMap map = separateParams(p);
|
125 | String user = (String) map.get((String) "USER"); |
||
126 | String pwd = (String) map.get((String) "PASSWORD"); |
||
127 | map = Strings.separateParams(table); |
||
128 | map.put("USER",user);
|
||
129 | map.put("PASSWORD",pwd);
|
||
130 | map.put("WHERECLAUSE",""); |
||
131 | map.put("DBURL",dbURL);
|
||
132 | return map;
|
||
133 | } |
||
134 | 3818 | jorpiell | |
135 | private TreeMap separateParams(String pairValues){ |
||
136 | TreeMap map = new TreeMap(); |
||
137 | String[] params = pairValues.split("&"); |
||
138 | for (int i = 0; i < params.length; i++) { |
||
139 | String[] nameValue = params[i].split("="); |
||
140 | map.put(nameValue[0].toUpperCase(), nameValue[1]); |
||
141 | } |
||
142 | return map;
|
||
143 | } |
||
144 | |||
145 | 4681 | jorpiell | /*
|
146 | * (non-Javadoc)
|
||
147 | * @see es.gva.cit.gvsig.catalogClient.loaders.LayerLoader#getErrorMessage()
|
||
148 | */
|
||
149 | protected String getErrorMessage() { |
||
150 | 4713 | cesar | return Messages.getText("postgisError") + ".\n" + |
151 | Messages.getText("server") + ": " + |
||
152 | 3818 | jorpiell | getResource().getLinkage() + "\n" +
|
153 | 4713 | cesar | Messages.getText("parameters") + ": " + |
154 | 3818 | jorpiell | getResource().getName(); |
155 | } |
||
156 | |||
157 | 4681 | jorpiell | /*
|
158 | * (non-Javadoc)
|
||
159 | * @see es.gva.cit.gvsig.catalogClient.loaders.LayerLoader#getWindowMessage()
|
||
160 | */
|
||
161 | protected String getWindowMessage() { |
||
162 | 4713 | cesar | return Messages.getText("postgisLoad"); |
163 | 3818 | jorpiell | } |
164 | |||
165 | |||
166 | } |