root / branches / CatalogYNomenclator_v1_1_0_1005 / extensions / extCatalogYNomenclator / src / es / gva / cit / gvsig / catalogClient / loaders / WCSLayerLoader.java @ 12733
History | View | Annotate | Download (4.21 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.io.IOException; |
||
44 | 4681 | jorpiell | import java.util.Map; |
45 | 4628 | jorpiell | import java.util.TreeMap; |
46 | 3818 | jorpiell | |
47 | 4713 | cesar | import org.gvsig.i18n.Messages; |
48 | |||
49 | 3818 | jorpiell | import com.iver.cit.gvsig.fmap.DriverException; |
50 | import com.iver.cit.gvsig.fmap.layers.FLayer; |
||
51 | 4681 | jorpiell | import com.iver.utiles.extensionPoints.ExtensionPoint; |
52 | import com.iver.utiles.extensionPoints.ExtensionPointsSingleton; |
||
53 | 3818 | jorpiell | |
54 | 12733 | jorpiell | import es.gva.cit.catalogClient.schemas.records.Resource; |
55 | 3818 | jorpiell | |
56 | /**
|
||
57 | * This class is used to load a WCS layer in gvSIG
|
||
58 | *
|
||
59 | * @author Jorge Piera Llodra (piera_jor@gva.es)
|
||
60 | */
|
||
61 | public class WCSLayerLoader extends LayerLoader{ |
||
62 | |||
63 | |||
64 | 4713 | cesar | public WCSLayerLoader(Resource resource) {
|
65 | super(resource);
|
||
66 | 3818 | jorpiell | } |
67 | |||
68 | /**
|
||
69 | * This method loads a WSC layer from a full URL
|
||
70 | * @param link
|
||
71 | * @throws LayerLoaderException
|
||
72 | */
|
||
73 | public void loadLayer() throws LayerLoaderException { |
||
74 | String link = getResource().getLinkage();
|
||
75 | 8571 | jorpiell | String name = getResource().getName();
|
76 | 3818 | jorpiell | try {
|
77 | 8571 | jorpiell | FLayer flayer = createWCSLayer(link,name); |
78 | 3818 | jorpiell | addLayerToView(flayer); |
79 | } catch (IOException e) { |
||
80 | throw new LayerLoaderException(e.getMessage(),getWindowMessage()); |
||
81 | } catch (DriverException e) {
|
||
82 | throw new LayerLoaderException(e.getMessage(),getWindowMessage()); |
||
83 | 8571 | jorpiell | } |
84 | } |
||
85 | 3818 | jorpiell | |
86 | 8571 | jorpiell | private FLayer createWCSLayer(String link,String name) throws IOException, DriverException, LayerLoaderException { |
87 | Map args = initFromQueryString(link,name);
|
||
88 | 4681 | jorpiell | ExtensionPoint extensionPoint = (ExtensionPoint)ExtensionPointsSingleton.getInstance().get("CatalogLayers");
|
89 | try {
|
||
90 | return (FLayer)extensionPoint.create("OGC:WCS", args ); |
||
91 | } catch(Exception e) { |
||
92 | 4628 | jorpiell | throw new LayerLoaderException(getErrorMessage(),getWindowMessage()); |
93 | 4681 | jorpiell | } |
94 | 3818 | jorpiell | } |
95 | |||
96 | 4628 | jorpiell | /**
|
97 | * Builds a coverage starting from a full GetCoverage URL.
|
||
98 | * (Using this is not a regular function)
|
||
99 | */
|
||
100 | 8571 | jorpiell | private TreeMap initFromQueryString(String link,String name){ |
101 | 8765 | jjdelcerro | String host = null; |
102 | String queryString = null; |
||
103 | if (link.compareTo("?")==0){ |
||
104 | host = link.substring(0,link.indexOf('?')); |
||
105 | queryString = link.substring(link.indexOf('?')+1); |
||
106 | }else{
|
||
107 | host = link; |
||
108 | queryString = "";
|
||
109 | } |
||
110 | queryString = link.substring(link.indexOf('?')+1); |
||
111 | 4681 | jorpiell | |
112 | 4628 | jorpiell | TreeMap map = new TreeMap(); |
113 | String[] params = queryString.split("&"); |
||
114 | for (int i = 0; i < params.length; i++) { |
||
115 | 8571 | jorpiell | if (params[i]!= null){ |
116 | String[] nameValue = params[i].split("="); |
||
117 | if (nameValue.length == 1){ |
||
118 | map.put(nameValue[0].toUpperCase(), ""); |
||
119 | }else if(nameValue.length == 2){ |
||
120 | map.put(nameValue[0].toUpperCase(), nameValue[1]); |
||
121 | } |
||
122 | } |
||
123 | 4628 | jorpiell | } |
124 | 8571 | jorpiell | map.put("HOST",link);
|
125 | 8584 | jorpiell | if ((name != null) && (!name.equals(""))){ |
126 | map.put("COVERAGE",name);
|
||
127 | } |
||
128 | 4628 | jorpiell | return map;
|
129 | 8765 | jjdelcerro | } |
130 | 4628 | jorpiell | |
131 | 4681 | jorpiell | /*
|
132 | * (non-Javadoc)
|
||
133 | * @see es.gva.cit.gvsig.catalogClient.loaders.LayerLoader#getErrorMessage()
|
||
134 | */
|
||
135 | protected String getErrorMessage() { |
||
136 | 4713 | cesar | return Messages.getText("wcsError") + ".\n" + |
137 | Messages.getText("link") + ": " + |
||
138 | 3818 | jorpiell | getResource().getLinkage(); |
139 | } |
||
140 | |||
141 | 4681 | jorpiell | /*
|
142 | * (non-Javadoc)
|
||
143 | * @see es.gva.cit.gvsig.catalogClient.loaders.LayerLoader#getWindowMessage()
|
||
144 | */
|
||
145 | protected String getWindowMessage() { |
||
146 | 4713 | cesar | return Messages.getText("wcsLoad"); |
147 | 3818 | jorpiell | } |
148 | |||
149 | |||
150 | |||
151 | } |