root / tags / v1_0_2_Build_916 / extensions / extWMS / src / com / iver / cit / gvsig / fmap / drivers / wms / FMapWMSDriver.java @ 12327
History | View | Annotate | Download (10.1 KB)
1 | 4503 | jaume | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
---|---|---|---|
2 | 3746 | jaume | *
|
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 | 4503 | jaume | * Av. Blasco Ib??ez, 50
|
24 | 3746 | jaume | * 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 | 4222 | jaume | import java.io.File; |
45 | 3746 | jaume | import java.io.IOException; |
46 | 3804 | ldiaz | import java.net.ConnectException; |
47 | 3746 | jaume | import java.net.URL; |
48 | import java.util.ArrayList; |
||
49 | 4222 | jaume | import java.util.Hashtable; |
50 | import java.util.Iterator; |
||
51 | 3746 | jaume | import java.util.TreeMap; |
52 | import java.util.Vector; |
||
53 | |||
54 | import org.gvsig.remoteClient.exceptions.ServerErrorException; |
||
55 | 5409 | jaume | import org.gvsig.remoteClient.wms.ICancellable; |
56 | 3746 | jaume | 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 | 4222 | jaume | import org.gvsig.remoteClient.wms.WMSProtocolHandler.ServiceInformation; |
62 | 3746 | jaume | |
63 | import com.iver.cit.gvsig.fmap.layers.WMSLayerNode; |
||
64 | /**
|
||
65 | * Driver WMS.
|
||
66 | *
|
||
67 | 4503 | jaume | * @author Jaume Dominguez Faus
|
68 | 3746 | jaume | */
|
69 | 5409 | jaume | public class FMapWMSDriver { |
70 | 3746 | jaume | private WMSClient client;
|
71 | private WMSLayerNode fmapRootLayer;
|
||
72 | private TreeMap layers = new TreeMap(); |
||
73 | 5277 | jmvivo | private URL url; |
74 | 6087 | jaume | |
75 | private FMapWMSDriver() {}
|
||
76 | |||
77 | 5277 | jmvivo | protected FMapWMSDriver(URL url) throws ConnectException, IOException { |
78 | client = new WMSClient(url.toString());
|
||
79 | } |
||
80 | 6087 | jaume | |
81 | 5435 | ldiaz | public String[] getLayerNames(){ |
82 | return client.getLayerNames();
|
||
83 | } |
||
84 | 5709 | ldiaz | public String[] getLayerTitles(){ |
85 | return client.getLayerTitles();
|
||
86 | } |
||
87 | 4222 | jaume | /*
|
88 | * (non-Javadoc)
|
||
89 | * @see com.iver.cit.gvsig.fmap.drivers.WMSDriver#getCapabilities(java.net.URL)
|
||
90 | */
|
||
91 | 3774 | jaume | public void getCapabilities(URL server) |
92 | 3746 | jaume | throws WMSException {
|
93 | 5409 | jaume | // try {
|
94 | // client.connect();
|
||
95 | 6087 | jaume | // } catch (Exception e) {
|
96 | 5409 | jaume | // throw new WMSException(e);
|
97 | // }
|
||
98 | 3746 | jaume | } |
99 | |||
100 | 4222 | jaume | /*
|
101 | * (non-Javadoc)
|
||
102 | * @see com.iver.cit.gvsig.fmap.drivers.WMSDriver#getMap(org.gvsig.remoteClient.wms.WMSStatus)
|
||
103 | 3746 | jaume | */
|
104 | 5409 | jaume | public File getMap(WMSStatus status, ICancellable cancel) throws WMSException { |
105 | 6087 | jaume | try {
|
106 | return client.getMap(status, cancel);
|
||
107 | 3746 | jaume | } catch (org.gvsig.remoteClient.exceptions.WMSException e) {
|
108 | throw new WMSException(e.getMessage()); |
||
109 | } catch (ServerErrorException e) {
|
||
110 | 6087 | jaume | throw new WMSException("WMS Unexpected server error."+e.getMessage()); |
111 | 3746 | jaume | } |
112 | } |
||
113 | 8765 | jjdelcerro | |
114 | /**
|
||
115 | * Gets the legend graphic of one layer
|
||
116 | */
|
||
117 | public File getLegendGraphic(WMSStatus status, String layerName, ICancellable cancel) throws WMSException { |
||
118 | try {
|
||
119 | File f = client.getLegendGraphic(status, layerName, cancel);
|
||
120 | return f;
|
||
121 | } catch (org.gvsig.remoteClient.exceptions.WMSException e) {
|
||
122 | throw new WMSException(e.getMessage()); |
||
123 | } catch (ServerErrorException e) {
|
||
124 | throw new WMSException("WMS Unexpected server error."+e.getMessage()); |
||
125 | } |
||
126 | } |
||
127 | 6087 | jaume | |
128 | 3746 | jaume | /**
|
129 | * Devuelve WMSClient a partir de su URL.
|
||
130 | *
|
||
131 | * @param url URL.
|
||
132 | *
|
||
133 | * @return WMSClient.
|
||
134 | 6087 | jaume | * @throws IOException
|
135 | * @throws ConnectException
|
||
136 | 3746 | jaume | *
|
137 | * @throws UnsupportedVersionException
|
||
138 | * @throws IOException
|
||
139 | */
|
||
140 | |||
141 | 6087 | jaume | |
142 | 3746 | jaume | /**
|
143 | * Establishes the connection.
|
||
144 | 4503 | jaume | * @param override, if true the previous downloaded data will be overridden
|
145 | 3746 | jaume | * @return <b>true</b> if the connection was successful, or <b>false</b> if it was no possible
|
146 | * to establish the connection for any reason such as version negotiation.
|
||
147 | */
|
||
148 | 5409 | jaume | public boolean connect(boolean override, ICancellable cancel) { |
149 | 5539 | jaume | if (override) {
|
150 | fmapRootLayer = null;
|
||
151 | layers.clear(); |
||
152 | } |
||
153 | 5409 | jaume | return client.connect(override, cancel);
|
154 | 4503 | jaume | } |
155 | |||
156 | 5409 | jaume | public boolean connect(ICancellable cancel) { |
157 | return client.connect(false, cancel); |
||
158 | 3746 | jaume | } |
159 | |||
160 | /**
|
||
161 | * @return the version of this client.
|
||
162 | */
|
||
163 | 6087 | jaume | public String getVersion() { |
164 | 5277 | jmvivo | return client.getVersion();
|
165 | 3746 | jaume | } |
166 | |||
167 | /**
|
||
168 | * @return The title of the service offered by the WMS server.
|
||
169 | */
|
||
170 | public String getServiceTitle() { |
||
171 | 5277 | jmvivo | return client.getServiceInformation().title;
|
172 | 3746 | jaume | } |
173 | |||
174 | /**
|
||
175 | 4222 | jaume | * Returns a Hash table containing the values for each online resource.
|
176 | * Using as key a String with name of the WMS request and the value returned
|
||
177 | 6087 | jaume | * by the hash is another string containing the corresponding Url
|
178 | 4222 | jaume | * @return HashTable
|
179 | */
|
||
180 | public Hashtable getOnlineResources() { |
||
181 | Hashtable onlineResources = new Hashtable(); |
||
182 | ServiceInformation si = client.getServiceInformation(); |
||
183 | Iterator it = si.operations.keySet().iterator();
|
||
184 | while (it.hasNext()) {
|
||
185 | String key = (String) it.next(); |
||
186 | String val = (String) si.operations.get(key); |
||
187 | if (val==null && (si.online_resource!=null || si.online_resource!= "")) |
||
188 | val = si.online_resource; |
||
189 | if (val!=null) { |
||
190 | onlineResources.put(key, val); |
||
191 | } |
||
192 | } |
||
193 | 5277 | jmvivo | |
194 | 4222 | jaume | return onlineResources;
|
195 | } |
||
196 | /**
|
||
197 | 3746 | jaume | * @return <b>Vector</b> containing strings with the formats supported by this server.
|
198 | */
|
||
199 | public Vector getFormats() { |
||
200 | 6087 | jaume | |
201 | 5277 | jmvivo | return client.getFormats();
|
202 | 3746 | jaume | } |
203 | |||
204 | /**
|
||
205 | 4222 | jaume | * @return <b>Boolean</b> returns if the WMS is queryable (suppports GetFeatureInfo)
|
206 | */
|
||
207 | public boolean isQueryable() { |
||
208 | return client.isQueryable();
|
||
209 | } |
||
210 | /**
|
||
211 | 8765 | jjdelcerro | * @return <b>Boolean</b> returns if the WMS supports getLegendGraphic operation (suppports GetFeatureInfo)
|
212 | */
|
||
213 | public boolean hasLegendGraphic() { |
||
214 | return client.hasLegendGraphic();
|
||
215 | } |
||
216 | /**
|
||
217 | 6087 | jaume | * @return A tree containing the info of all layers available on this server.
|
218 | 3746 | jaume | */
|
219 | public WMSLayerNode getLayersTree() {
|
||
220 | if (fmapRootLayer == null){ |
||
221 | 5277 | jmvivo | WMSLayer clientRoot; |
222 | 7388 | jaume | if (client.getLayersRoot() == null) { |
223 | client.connect(false, null); |
||
224 | } |
||
225 | 5277 | jmvivo | clientRoot = client.getLayersRoot(); |
226 | 6087 | jaume | |
227 | 8765 | jjdelcerro | |
228 | 3746 | jaume | fmapRootLayer = parseTree(clientRoot, null);
|
229 | } |
||
230 | return fmapRootLayer;
|
||
231 | } |
||
232 | |||
233 | /**
|
||
234 | * Parses the client's layer node and translates it to a fmap's layer node
|
||
235 | * @param WMSLayer
|
||
236 | * @return WMSLayerNode
|
||
237 | */
|
||
238 | private WMSLayerNode parseTree(WMSLayer node, WMSLayerNode parentNode) {
|
||
239 | 6087 | jaume | |
240 | 3746 | jaume | WMSLayerNode myNode = new WMSLayerNode();
|
241 | 6087 | jaume | |
242 | 4503 | jaume | // Name
|
243 | 3746 | jaume | myNode.setName(node.getName()); |
244 | 6087 | jaume | |
245 | 4503 | jaume | // Title
|
246 | 3746 | jaume | myNode.setTitle(node.getTitle()); |
247 | 6087 | jaume | |
248 | 4503 | jaume | // Transparency
|
249 | 3746 | jaume | myNode.setTransparency(node.hasTransparency()); |
250 | 6087 | jaume | |
251 | 4503 | jaume | // SRS
|
252 | 3746 | jaume | myNode.setSrs(node.getAllSrs()); |
253 | 6087 | jaume | |
254 | |||
255 | 4503 | jaume | // Queryable
|
256 | 6087 | jaume | |
257 | 3797 | ldiaz | myNode.setQueryable(node.isQueryable() && client.getServiceInformation().isQueryable()); |
258 | 6087 | jaume | |
259 | 4503 | jaume | // Parent layer
|
260 | 3746 | jaume | myNode.setParent(parentNode); |
261 | 6087 | jaume | |
262 | 4503 | jaume | // Abstract
|
263 | 3746 | jaume | myNode.setAbstract(node.getAbstract()); |
264 | 6087 | jaume | |
265 | 4503 | jaume | // Fixed Size
|
266 | 4222 | jaume | myNode.setFixedSize(node.getfixedWidth(), node.getfixedHeight()); |
267 | 6087 | jaume | |
268 | 4503 | jaume | // LatLonBox
|
269 | 3746 | jaume | if (node.getLatLonBox()!=null) |
270 | myNode.setLatLonBox(node.getLatLonBox().toString()); |
||
271 | 6087 | jaume | |
272 | 5442 | jaume | // Keywords
|
273 | ArrayList keywords = node.getKeywords();
|
||
274 | for (int i = 0; i < keywords.size(); i++) { |
||
275 | myNode.addKeyword((String) keywords.get(i));
|
||
276 | } |
||
277 | 6087 | jaume | |
278 | 4503 | jaume | // Styles
|
279 | 3746 | jaume | ArrayList styles = node.getStyles();
|
280 | for (int i = 0; i < styles.size(); i++) { |
||
281 | WMSStyle style = (WMSStyle) styles.get(i); |
||
282 | myNode.addStyle(style.getName(), style.getTitle(), style.getAbstract()); |
||
283 | } |
||
284 | 6087 | jaume | |
285 | 4503 | jaume | // Dimensions
|
286 | 3746 | jaume | ArrayList dimensions = node.getDimensions();
|
287 | for (int i = 0; i < dimensions.size(); i++) { |
||
288 | WMSDimension d = (WMSDimension) dimensions.get(i); |
||
289 | myNode.addDimension(d.getName(), d.getUnits(), d.getUnitSymbol(), d.getDimensionExpression()); |
||
290 | } |
||
291 | 6087 | jaume | |
292 | 4503 | jaume | // Childs
|
293 | 3746 | jaume | int children = node.getChildren().size();
|
294 | myNode.setChildren(new ArrayList()); |
||
295 | for (int i = 0; i < children; i++) { |
||
296 | myNode.getChildren().add(parseTree((WMSLayer)node.getChildren().get(i), myNode)); |
||
297 | } |
||
298 | 6087 | jaume | |
299 | |||
300 | 3746 | jaume | if (myNode.getName()!=null) |
301 | layers.put(myNode.getName(), myNode); |
||
302 | 6087 | jaume | |
303 | 3746 | jaume | return myNode;
|
304 | } |
||
305 | |||
306 | /**
|
||
307 | * @return
|
||
308 | */
|
||
309 | public String getAbstract() { |
||
310 | 6087 | jaume | |
311 | 5277 | jmvivo | return client.getServiceInformation().abstr;
|
312 | 6087 | jaume | |
313 | 3746 | jaume | } |
314 | |||
315 | /**
|
||
316 | * @param layerName
|
||
317 | * @param srs
|
||
318 | * @return
|
||
319 | */
|
||
320 | public Rectangle2D getLayersExtent(String[] layerName, String srs) { |
||
321 | 5277 | jmvivo | return client.getLayersExtent(layerName, srs);
|
322 | 3746 | jaume | } |
323 | |||
324 | /**
|
||
325 | * @param string
|
||
326 | * @return
|
||
327 | */
|
||
328 | public WMSLayerNode getLayer(String layerName) { |
||
329 | if (getLayers().get(layerName) != null) |
||
330 | { |
||
331 | return (WMSLayerNode)layers.get(layerName);
|
||
332 | } |
||
333 | return null; |
||
334 | } |
||
335 | |||
336 | /**
|
||
337 | * @return
|
||
338 | */
|
||
339 | private TreeMap getLayers() { |
||
340 | if (fmapRootLayer == null){ |
||
341 | fmapRootLayer = getLayersTree(); |
||
342 | } |
||
343 | return layers;
|
||
344 | } |
||
345 | |||
346 | /**
|
||
347 | * @param wmsStatus
|
||
348 | * @param i
|
||
349 | * @param j
|
||
350 | * @param max_value
|
||
351 | * @return
|
||
352 | 6087 | jaume | * @throws WMSException
|
353 | 3746 | jaume | */
|
354 | 8765 | jjdelcerro | public String getFeatureInfo(WMSStatus _wmsStatus, int i, int j, int max_value, ICancellable cancellable) throws WMSException { |
355 | 3746 | jaume | try {
|
356 | 8765 | jjdelcerro | return client.getFeatureInfo(_wmsStatus, i, j, max_value, cancellable);
|
357 | 3746 | jaume | } catch (org.gvsig.remoteClient.exceptions.WMSException e) {
|
358 | 6087 | jaume | throw new WMSException(); |
359 | 5277 | jmvivo | } |
360 | 3746 | jaume | } |
361 | 6087 | jaume | |
362 | 3746 | jaume | public String getHost(){ |
363 | 5277 | jmvivo | return client.getHost();
|
364 | |||
365 | 3746 | jaume | } |
366 | } |