svn-gvsig-desktop / trunk / extensions / extWMS / src / com / iver / cit / gvsig / fmap / drivers / wms / FMapWMSDriver.java @ 5435
History | View | Annotate | Download (9.2 KB)
1 |
/* 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 com.iver.cit.gvsig.fmap.drivers.wms; |
42 |
|
43 |
import java.awt.geom.Rectangle2D; |
44 |
import java.io.File; |
45 |
import java.io.IOException; |
46 |
import java.net.ConnectException; |
47 |
import java.net.URL; |
48 |
import java.util.ArrayList; |
49 |
import java.util.Hashtable; |
50 |
import java.util.Iterator; |
51 |
import java.util.TreeMap; |
52 |
import java.util.Vector; |
53 |
|
54 |
import org.gvsig.remoteClient.exceptions.ServerErrorException; |
55 |
import org.gvsig.remoteClient.wms.ICancellable; |
56 |
import org.gvsig.remoteClient.wms.WMSClient; |
57 |
import org.gvsig.remoteClient.wms.WMSDimension; |
58 |
import org.gvsig.remoteClient.wms.WMSLayer; |
59 |
import org.gvsig.remoteClient.wms.WMSStatus; |
60 |
import org.gvsig.remoteClient.wms.WMSStyle; |
61 |
import org.gvsig.remoteClient.wms.WMSProtocolHandler.ServiceInformation; |
62 |
|
63 |
import com.iver.cit.gvsig.fmap.layers.WMSLayerNode; |
64 |
/**
|
65 |
* Driver WMS.
|
66 |
*
|
67 |
* @author Jaume Dominguez Faus
|
68 |
*/
|
69 |
public class FMapWMSDriver { |
70 |
private WMSClient client;
|
71 |
private WMSLayerNode fmapRootLayer;
|
72 |
private TreeMap layers = new TreeMap(); |
73 |
private URL url; |
74 |
|
75 |
|
76 |
protected FMapWMSDriver(URL url) throws ConnectException, IOException { |
77 |
client = new WMSClient(url.toString());
|
78 |
} |
79 |
|
80 |
public String[] getLayerNames(){ |
81 |
return client.getLayerNames();
|
82 |
} |
83 |
/*
|
84 |
* (non-Javadoc)
|
85 |
* @see com.iver.cit.gvsig.fmap.drivers.WMSDriver#getCapabilities(java.net.URL)
|
86 |
*/
|
87 |
public void getCapabilities(URL server) |
88 |
throws WMSException {
|
89 |
// try {
|
90 |
// client.connect();
|
91 |
// } catch (Exception e) {
|
92 |
// throw new WMSException(e);
|
93 |
// }
|
94 |
} |
95 |
|
96 |
/*
|
97 |
* (non-Javadoc)
|
98 |
* @see com.iver.cit.gvsig.fmap.drivers.WMSDriver#getMap(org.gvsig.remoteClient.wms.WMSStatus)
|
99 |
*/
|
100 |
public File getMap(WMSStatus status, ICancellable cancel) throws WMSException { |
101 |
try {
|
102 |
return client.getMap(status, cancel);
|
103 |
} catch (org.gvsig.remoteClient.exceptions.WMSException e) {
|
104 |
throw new WMSException(e.getMessage()); |
105 |
} catch (ServerErrorException e) {
|
106 |
throw new WMSException("WMS Unexpected server error."+e.getMessage()); |
107 |
} |
108 |
} |
109 |
|
110 |
/**
|
111 |
* Devuelve WMSClient a partir de su URL.
|
112 |
*
|
113 |
* @param url URL.
|
114 |
*
|
115 |
* @return WMSClient.
|
116 |
* @throws IOException
|
117 |
* @throws ConnectException
|
118 |
*
|
119 |
* @throws UnsupportedVersionException
|
120 |
* @throws IOException
|
121 |
*/
|
122 |
|
123 |
|
124 |
/**
|
125 |
* Establishes the connection.
|
126 |
* @param override, if true the previous downloaded data will be overridden
|
127 |
* @return <b>true</b> if the connection was successful, or <b>false</b> if it was no possible
|
128 |
* to establish the connection for any reason such as version negotiation.
|
129 |
*/
|
130 |
public boolean connect(boolean override, ICancellable cancel) { |
131 |
return client.connect(override, cancel);
|
132 |
} |
133 |
|
134 |
public boolean connect(ICancellable cancel) { |
135 |
return client.connect(false, cancel); |
136 |
} |
137 |
|
138 |
/**
|
139 |
* @return the version of this client.
|
140 |
*/
|
141 |
public String getVersion() { |
142 |
return client.getVersion();
|
143 |
} |
144 |
|
145 |
/**
|
146 |
* @return The title of the service offered by the WMS server.
|
147 |
*/
|
148 |
public String getServiceTitle() { |
149 |
return client.getServiceInformation().title;
|
150 |
} |
151 |
|
152 |
/**
|
153 |
* Returns a Hash table containing the values for each online resource.
|
154 |
* Using as key a String with name of the WMS request and the value returned
|
155 |
* by the hash is another string containing the corresponding Url
|
156 |
* @return HashTable
|
157 |
*/
|
158 |
public Hashtable getOnlineResources() { |
159 |
Hashtable onlineResources = new Hashtable(); |
160 |
ServiceInformation si = client.getServiceInformation(); |
161 |
Iterator it = si.operations.keySet().iterator();
|
162 |
while (it.hasNext()) {
|
163 |
String key = (String) it.next(); |
164 |
String val = (String) si.operations.get(key); |
165 |
if (val==null && (si.online_resource!=null || si.online_resource!= "")) |
166 |
val = si.online_resource; |
167 |
if (val!=null) { |
168 |
onlineResources.put(key, val); |
169 |
} |
170 |
} |
171 |
|
172 |
return onlineResources;
|
173 |
} |
174 |
/**
|
175 |
* @return <b>Vector</b> containing strings with the formats supported by this server.
|
176 |
*/
|
177 |
public Vector getFormats() { |
178 |
|
179 |
return client.getFormats();
|
180 |
} |
181 |
|
182 |
/**
|
183 |
* @return <b>Boolean</b> returns if the WMS is queryable (suppports GetFeatureInfo)
|
184 |
*/
|
185 |
public boolean isQueryable() { |
186 |
return client.isQueryable();
|
187 |
} |
188 |
|
189 |
/**
|
190 |
* @return A tree containing the info of all layers available on this server.
|
191 |
*/
|
192 |
public WMSLayerNode getLayersTree() {
|
193 |
if (fmapRootLayer == null){ |
194 |
WMSLayer clientRoot; |
195 |
|
196 |
clientRoot = client.getLayersRoot(); |
197 |
|
198 |
fmapRootLayer = parseTree(clientRoot, null);
|
199 |
} |
200 |
return fmapRootLayer;
|
201 |
} |
202 |
|
203 |
/**
|
204 |
* Parses the client's layer node and translates it to a fmap's layer node
|
205 |
* @param WMSLayer
|
206 |
* @return WMSLayerNode
|
207 |
*/
|
208 |
private WMSLayerNode parseTree(WMSLayer node, WMSLayerNode parentNode) {
|
209 |
|
210 |
WMSLayerNode myNode = new WMSLayerNode();
|
211 |
|
212 |
// Name
|
213 |
myNode.setName(node.getName()); |
214 |
|
215 |
// Title
|
216 |
myNode.setTitle(node.getTitle()); |
217 |
|
218 |
// Transparency
|
219 |
myNode.setTransparency(node.hasTransparency()); |
220 |
|
221 |
// SRS
|
222 |
myNode.setSrs(node.getAllSrs()); |
223 |
|
224 |
// Keywords
|
225 |
myNode.setKeywords(node.getKeywords()); |
226 |
|
227 |
// Queryable
|
228 |
|
229 |
myNode.setQueryable(node.isQueryable() && client.getServiceInformation().isQueryable()); |
230 |
|
231 |
// Parent layer
|
232 |
myNode.setParent(parentNode); |
233 |
|
234 |
// Abstract
|
235 |
myNode.setAbstract(node.getAbstract()); |
236 |
|
237 |
// Fixed Size
|
238 |
myNode.setFixedSize(node.getfixedWidth(), node.getfixedHeight()); |
239 |
|
240 |
// LatLonBox
|
241 |
if (node.getLatLonBox()!=null) |
242 |
myNode.setLatLonBox(node.getLatLonBox().toString()); |
243 |
|
244 |
// Styles
|
245 |
ArrayList styles = node.getStyles();
|
246 |
for (int i = 0; i < styles.size(); i++) { |
247 |
WMSStyle style = (WMSStyle) styles.get(i); |
248 |
myNode.addStyle(style.getName(), style.getTitle(), style.getAbstract()); |
249 |
} |
250 |
|
251 |
// Dimensions
|
252 |
ArrayList dimensions = node.getDimensions();
|
253 |
for (int i = 0; i < dimensions.size(); i++) { |
254 |
WMSDimension d = (WMSDimension) dimensions.get(i); |
255 |
myNode.addDimension(d.getName(), d.getUnits(), d.getUnitSymbol(), d.getDimensionExpression()); |
256 |
} |
257 |
|
258 |
// Childs
|
259 |
int children = node.getChildren().size();
|
260 |
myNode.setChildren(new ArrayList()); |
261 |
for (int i = 0; i < children; i++) { |
262 |
myNode.getChildren().add(parseTree((WMSLayer)node.getChildren().get(i), myNode)); |
263 |
} |
264 |
|
265 |
|
266 |
if (myNode.getName()!=null) |
267 |
layers.put(myNode.getName(), myNode); |
268 |
|
269 |
return myNode;
|
270 |
} |
271 |
|
272 |
/**
|
273 |
* @return
|
274 |
*/
|
275 |
public String getAbstract() { |
276 |
|
277 |
return client.getServiceInformation().abstr;
|
278 |
|
279 |
} |
280 |
|
281 |
/**
|
282 |
* @param layerName
|
283 |
* @param srs
|
284 |
* @return
|
285 |
*/
|
286 |
public Rectangle2D getLayersExtent(String[] layerName, String srs) { |
287 |
|
288 |
return client.getLayersExtent(layerName, srs);
|
289 |
|
290 |
} |
291 |
|
292 |
/**
|
293 |
* @param string
|
294 |
* @return
|
295 |
*/
|
296 |
public WMSLayerNode getLayer(String layerName) { |
297 |
if (getLayers().get(layerName) != null) |
298 |
{ |
299 |
return (WMSLayerNode)layers.get(layerName);
|
300 |
} |
301 |
return null; |
302 |
} |
303 |
|
304 |
/**
|
305 |
* @return
|
306 |
*/
|
307 |
private TreeMap getLayers() { |
308 |
if (fmapRootLayer == null){ |
309 |
fmapRootLayer = getLayersTree(); |
310 |
} |
311 |
return layers;
|
312 |
} |
313 |
|
314 |
/**
|
315 |
* @param wmsStatus
|
316 |
* @param i
|
317 |
* @param j
|
318 |
* @param max_value
|
319 |
* @return
|
320 |
* @throws WMSException
|
321 |
*/
|
322 |
public String getFeatureInfo(WMSStatus _wmsStatus, int i, int j, int max_value) throws WMSException { |
323 |
try {
|
324 |
return client.getFeatureInfo(_wmsStatus, i, j, max_value);
|
325 |
} catch (org.gvsig.remoteClient.exceptions.WMSException e) {
|
326 |
throw new WMSException(); |
327 |
} |
328 |
} |
329 |
|
330 |
public String getHost(){ |
331 |
return client.getHost();
|
332 |
|
333 |
} |
334 |
} |