gvsig-raster / org.gvsig.raster.wms / trunk / org.gvsig.raster.wms / org.gvsig.raster.wms.remoteclient / src / main / java / org / gvsig / remoteclient / wms / wms_1_3_0 / WMSProtocolHandler1_3_0.java @ 7271
History | View | Annotate | Download (13.2 KB)
1 |
/**
|
---|---|
2 |
* gvSIG. Desktop Geographic Information System.
|
3 |
*
|
4 |
* Copyright (C) 2007-2013 gvSIG Association.
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU General Public License
|
8 |
* as published by the Free Software Foundation; either version 3
|
9 |
* of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
19 |
* MA 02110-1301, USA.
|
20 |
*
|
21 |
* For any additional information, do not hesitate to contact us
|
22 |
* at info AT gvsig.com, or visit our website www.gvsig.com.
|
23 |
*/
|
24 |
|
25 |
package org.gvsig.remoteclient.wms.wms_1_3_0; |
26 |
|
27 |
import java.io.ByteArrayInputStream; |
28 |
import java.io.File; |
29 |
import java.io.IOException; |
30 |
import java.util.ArrayList; |
31 |
import java.util.Collection; |
32 |
import java.util.Enumeration; |
33 |
import java.util.TreeMap; |
34 |
|
35 |
import org.kxml2.io.KXmlParser; |
36 |
import org.xmlpull.v1.XmlPullParserException; |
37 |
import org.gvsig.compat.net.ICancellable; |
38 |
import org.gvsig.remoteclient.epsg.CrsAxisOrder; |
39 |
import org.gvsig.remoteclient.utils.BoundaryBox; |
40 |
import org.gvsig.remoteclient.utils.CapabilitiesTags; |
41 |
import org.gvsig.remoteclient.utils.EncodingXMLParser; |
42 |
import org.gvsig.remoteclient.utils.ExceptionTags; |
43 |
import org.gvsig.remoteclient.wms.WMSLayer; |
44 |
import org.gvsig.remoteclient.wms.WMSServiceInformation; |
45 |
import org.gvsig.remoteclient.wms.WMSStatus; |
46 |
import org.gvsig.remoteclient.wms.request.WMSGetCapabilitiesRequest; |
47 |
import org.gvsig.remoteclient.wms.request.WMSGetFeatureInfoRequest; |
48 |
import org.gvsig.remoteclient.wms.request.WMSGetLegendGraphicRequest; |
49 |
import org.gvsig.remoteclient.wms.request.WMSGetMapRequest; |
50 |
import org.gvsig.remoteclient.wms.wms_1_1_1.WMSProtocolHandler1_1_1; |
51 |
import org.gvsig.remoteclient.wms.wms_1_3_0.request.WMSGetCapabilitiesRequest1_3_0; |
52 |
import org.gvsig.remoteclient.wms.wms_1_3_0.request.WMSGetFeatureInfoRequest1_1_3; |
53 |
import org.gvsig.remoteclient.wms.wms_1_3_0.request.WMSGetLegendGraphicRequest1_1_3; |
54 |
import org.gvsig.remoteclient.wms.wms_1_3_0.request.WMSGetMapRequest1_1_3; |
55 |
import org.slf4j.Logger; |
56 |
import org.slf4j.LoggerFactory; |
57 |
|
58 |
/**
|
59 |
* <p>
|
60 |
* Describes the handler to comunicate to a WMS 1.3.0
|
61 |
* </p>
|
62 |
*/
|
63 |
public class WMSProtocolHandler1_3_0 extends org.gvsig.remoteclient.wms.WMSProtocolHandler { |
64 |
|
65 |
private static final Logger logger = LoggerFactory.getLogger(WMSProtocolHandler1_3_0.class); |
66 |
private WMSLayer1_3_0 fakeRootLayer;
|
67 |
|
68 |
public WMSProtocolHandler1_3_0()
|
69 |
{ |
70 |
this.version = "1.3.0"; |
71 |
this.name = "WMS1.3.0"; |
72 |
this.serviceInfo = new WMSServiceInformation(); |
73 |
this.layers = new TreeMap(); |
74 |
} |
75 |
|
76 |
//------------------------------------------------------------------------------
|
77 |
// Parsing methods....
|
78 |
//------------------------------------------------------------------------------
|
79 |
|
80 |
@Override
|
81 |
public void getCapabilities(WMSStatus status, boolean override, |
82 |
ICancellable cancel) { |
83 |
super.getCapabilities(status, override, cancel);
|
84 |
if (rootLayer!=null && status!=null && !status.isXyAxisOrder()) { |
85 |
/* WMSLayer parser gets no information about the user preferences regarding
|
86 |
axis order, so the bboxes should be post-processed here,
|
87 |
where we get the user preference from the WMSStatus
|
88 |
*/
|
89 |
processLayer(rootLayer); |
90 |
} |
91 |
} |
92 |
|
93 |
/**
|
94 |
* WMSLayer parser gets no information about the user preferences regarding
|
95 |
* axis order, so the bboxes should be should be post-processed here,
|
96 |
* where we get the information from at the
|
97 |
* protocol hanlder
|
98 |
* @param layer
|
99 |
*/
|
100 |
protected void processLayer(WMSLayer layer) { |
101 |
if (layer.getBboxes()!=null) { |
102 |
Collection<BoundaryBox> col = (Collection<BoundaryBox>) layer.getBboxes().values(); |
103 |
for (BoundaryBox bbox: col) {
|
104 |
if (!CrsAxisOrder.isXyAxisOrder(bbox.getSrs())) {
|
105 |
double auxX = bbox.getXmin();
|
106 |
double auxY = bbox.getYmin();
|
107 |
bbox.setXmin(auxY); |
108 |
bbox.setYmin(auxX); |
109 |
auxX = bbox.getXmax(); |
110 |
auxY = bbox.getYmax(); |
111 |
bbox.setXmax(auxY); |
112 |
bbox.setYmax(auxX); |
113 |
} |
114 |
} |
115 |
} |
116 |
ArrayList children = layer.getChildren();
|
117 |
if (children!=null) { |
118 |
for (int i=0; i<children.size(); i++) { |
119 |
WMSLayer child = (WMSLayer) children.get(i); |
120 |
processLayer(child); |
121 |
} |
122 |
} |
123 |
} |
124 |
|
125 |
public boolean parseCapabilities(File f) |
126 |
{ |
127 |
rootLayer = null;
|
128 |
|
129 |
int tag;
|
130 |
EncodingXMLParser kxmlParser = null;
|
131 |
kxmlParser = new EncodingXMLParser();
|
132 |
try
|
133 |
{ |
134 |
kxmlParser.setInput(f); |
135 |
kxmlParser.nextTag(); |
136 |
if ( kxmlParser.getEventType() != KXmlParser.END_DOCUMENT )
|
137 |
{ |
138 |
kxmlParser.require(KXmlParser.START_TAG, null, CapabilitiesTags.CAPABILITIES_ROOT1_3_0);
|
139 |
tag = kxmlParser.nextTag(); |
140 |
while(tag != KXmlParser.END_DOCUMENT)
|
141 |
{ |
142 |
switch(tag)
|
143 |
{ |
144 |
case KXmlParser.START_TAG:
|
145 |
if (kxmlParser.getName().compareTo(CapabilitiesTags.SERVICE )==0) |
146 |
{ |
147 |
parseServiceTag(kxmlParser); |
148 |
} |
149 |
else if (kxmlParser.getName().compareTo(CapabilitiesTags.CAPABILITY)==0) |
150 |
{ |
151 |
parseCapabilityTag(kxmlParser); |
152 |
} |
153 |
break;
|
154 |
case KXmlParser.END_TAG:
|
155 |
break;
|
156 |
case KXmlParser.TEXT:
|
157 |
//System.out.println("[TEXT]["+kxmlParser.getText()+"]");
|
158 |
break;
|
159 |
} |
160 |
tag = kxmlParser.next(); |
161 |
}//while !END_DOCUMENT
|
162 |
} |
163 |
} |
164 |
catch(XmlPullParserException parser_ex){
|
165 |
logger.warn("Error parsing capabilites.",parser_ex);
|
166 |
return false; |
167 |
} |
168 |
catch (IOException ioe) { |
169 |
logger.warn("Error parsing capabilites.",ioe);
|
170 |
return false; |
171 |
} finally {
|
172 |
return true; |
173 |
} |
174 |
// In the parsing process the layer has been filled
|
175 |
} |
176 |
|
177 |
/**
|
178 |
* <p>Parses the Service Information </p>
|
179 |
*/
|
180 |
private void parseServiceTag(KXmlParser parser) throws IOException, XmlPullParserException |
181 |
{ |
182 |
int currentTag;
|
183 |
boolean end = false; |
184 |
|
185 |
parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.SERVICE);
|
186 |
currentTag = parser.next(); |
187 |
|
188 |
while (!end)
|
189 |
{ |
190 |
switch(currentTag)
|
191 |
{ |
192 |
case KXmlParser.START_TAG:
|
193 |
if (parser.getName().compareTo(CapabilitiesTags.NAME)==0) |
194 |
{ |
195 |
serviceInfo.name = parser.nextText(); |
196 |
} |
197 |
else if (parser.getName().compareTo(CapabilitiesTags.TITLE)==0) |
198 |
{ |
199 |
serviceInfo.title = parser.nextText(); |
200 |
} |
201 |
else if (parser.getName().compareTo(CapabilitiesTags.ABSTRACT)==0) |
202 |
{ |
203 |
serviceInfo.abstr = parser.nextText(); |
204 |
} |
205 |
else if (parser.getName().compareTo(CapabilitiesTags.ONLINERESOURCE)==0) |
206 |
{ |
207 |
String value = new String(); |
208 |
value = parser.getAttributeValue("", CapabilitiesTags.XLINK_HREF);
|
209 |
if (value != null){ |
210 |
serviceInfo.online_resource = value; |
211 |
} |
212 |
} |
213 |
else if ((parser.getName().compareTo(CapabilitiesTags.KEYWORDLIST)==0) || |
214 |
(parser.getName().compareTo(CapabilitiesTags.CONTACTINFORMATION)==0))
|
215 |
{ |
216 |
parser.skipSubTree(); |
217 |
} |
218 |
break;
|
219 |
case KXmlParser.END_TAG:
|
220 |
if (parser.getName().compareTo(CapabilitiesTags.SERVICE) == 0) |
221 |
end = true;
|
222 |
break;
|
223 |
case KXmlParser.TEXT:
|
224 |
break;
|
225 |
} |
226 |
if (!end)
|
227 |
currentTag = parser.next(); |
228 |
} |
229 |
parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.SERVICE);
|
230 |
} |
231 |
|
232 |
/**
|
233 |
* <p>Parses the Capability Tag </p>
|
234 |
*/
|
235 |
private void parseCapabilityTag(KXmlParser parser) throws IOException, XmlPullParserException |
236 |
{ |
237 |
int currentTag;
|
238 |
boolean end = false; |
239 |
|
240 |
parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.CAPABILITY);
|
241 |
currentTag = parser.next(); |
242 |
|
243 |
while (!end)
|
244 |
{ |
245 |
switch(currentTag)
|
246 |
{ |
247 |
case KXmlParser.START_TAG:
|
248 |
if (parser.getName().compareTo(CapabilitiesTags.REQUEST)==0) |
249 |
{ |
250 |
parseRequestTag(parser); |
251 |
} |
252 |
else if (parser.getName().compareTo(CapabilitiesTags.EXCEPTION)==0) |
253 |
{ |
254 |
//TODO:
|
255 |
//Add to serviceInformation the supported exception formats.
|
256 |
} |
257 |
else if (parser.getName().compareTo(CapabilitiesTags.LAYER)==0) |
258 |
{ |
259 |
WMSLayer1_3_0 lyr = new WMSLayer1_3_0();
|
260 |
if (rootLayer == null) |
261 |
rootLayer = lyr; |
262 |
else {
|
263 |
// Handles when there is no general root layer, will use
|
264 |
// a fake non-queryable one.
|
265 |
if (!rootLayer.equals(getFakeRootLayer())){
|
266 |
WMSLayer1_3_0 aux = (WMSLayer1_3_0) rootLayer; |
267 |
rootLayer = getFakeRootLayer(); |
268 |
rootLayer.getChildren().add(aux); |
269 |
} |
270 |
rootLayer.getChildren().add(lyr); |
271 |
} |
272 |
lyr.parse(parser, layers); |
273 |
|
274 |
if (lyr.getName()!=null) |
275 |
layers.put(lyr.getName(), lyr); |
276 |
} |
277 |
else if ((parser.getName().compareTo(CapabilitiesTags.VENDORSPECIFICCAPABILITIES)==0) || |
278 |
(parser.getName().compareTo(CapabilitiesTags.USERDEFINEDSYMBOLIZATION )==0))
|
279 |
{ |
280 |
parser.skipSubTree(); |
281 |
} |
282 |
break;
|
283 |
case KXmlParser.END_TAG:
|
284 |
if (parser.getName().compareTo(CapabilitiesTags.CAPABILITY) == 0) |
285 |
end = true;
|
286 |
break;
|
287 |
case KXmlParser.TEXT:
|
288 |
break;
|
289 |
} |
290 |
if (!end)
|
291 |
currentTag = parser.next(); |
292 |
} |
293 |
//parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.CAPABILITY);
|
294 |
} |
295 |
|
296 |
private WMSLayer1_3_0 getFakeRootLayer(){
|
297 |
if (fakeRootLayer == null){ |
298 |
fakeRootLayer = new WMSLayer1_3_0();
|
299 |
fakeRootLayer.setTitle(serviceInfo.title); |
300 |
fakeRootLayer.setQueryable(false);
|
301 |
fakeRootLayer.setName(null);
|
302 |
} |
303 |
return fakeRootLayer;
|
304 |
} |
305 |
/* (non-Javadoc)
|
306 |
* @see org.gvsig.remoteClient.wms.WMSProtocolHandler#parseException(byte[])
|
307 |
*/
|
308 |
protected String parseException(byte[] data) { |
309 |
ArrayList errors = new ArrayList(); |
310 |
KXmlParser kxmlParser = new KXmlParser();
|
311 |
try
|
312 |
{ |
313 |
kxmlParser.setInput(new ByteArrayInputStream(data), encoding); |
314 |
kxmlParser.nextTag(); |
315 |
int tag;
|
316 |
if ( kxmlParser.getEventType() != KXmlParser.END_DOCUMENT )
|
317 |
{ |
318 |
kxmlParser.require(KXmlParser.START_TAG, null, ExceptionTags.EXCEPTION_ROOT);
|
319 |
tag = kxmlParser.nextTag(); |
320 |
while(tag != KXmlParser.END_DOCUMENT)
|
321 |
{ |
322 |
switch(tag)
|
323 |
{ |
324 |
case KXmlParser.START_TAG:
|
325 |
if (kxmlParser.getName().compareTo(ExceptionTags.SERVICE_EXCEPTION)==0){ |
326 |
String errorCode = kxmlParser.getAttributeValue("", ExceptionTags.CODE); |
327 |
errorCode = (errorCode != null) ? "["+errorCode+"] " : ""; |
328 |
String errorMessage = kxmlParser.nextText();
|
329 |
errors.add(errorCode+errorMessage); |
330 |
} |
331 |
break;
|
332 |
case KXmlParser.END_TAG:
|
333 |
break;
|
334 |
|
335 |
} |
336 |
tag = kxmlParser.nextTag(); |
337 |
} |
338 |
//kxmlParser.require(KXmlParser.END_DOCUMENT, null, null);
|
339 |
} |
340 |
} |
341 |
catch(XmlPullParserException parser_ex){
|
342 |
logger.warn("",parser_ex);
|
343 |
} |
344 |
catch (IOException ioe) { |
345 |
logger.warn("",ioe);
|
346 |
} |
347 |
String message = errors.size()>0? "" : null; |
348 |
for (int i = 0; i < errors.size(); i++) { |
349 |
message += (String) errors.get(i)+"\n"; |
350 |
} |
351 |
return message;
|
352 |
} |
353 |
|
354 |
/*
|
355 |
* (non-Javadoc)
|
356 |
* @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetFeatureInfoRequest(org.gvsig.remoteClient.wms.WMSStatus, int, int)
|
357 |
*/
|
358 |
protected WMSGetFeatureInfoRequest createGetFeatureInfoRequest(
|
359 |
WMSStatus status, int x, int y) { |
360 |
return new WMSGetFeatureInfoRequest1_1_3(status, this, x, y); |
361 |
} |
362 |
|
363 |
/*
|
364 |
* (non-Javadoc)
|
365 |
* @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetMapRequest(org.gvsig.remoteClient.wms.WMSStatus)
|
366 |
*/
|
367 |
protected WMSGetMapRequest createGetMapRequest(WMSStatus status) {
|
368 |
return new WMSGetMapRequest1_1_3(status, this); |
369 |
} |
370 |
|
371 |
/*
|
372 |
* (non-Javadoc)
|
373 |
* @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetLegendGraphicRequest(org.gvsig.remoteClient.wms.WMSStatus, java.lang.String)
|
374 |
*/
|
375 |
protected WMSGetLegendGraphicRequest createGetLegendGraphicRequest(
|
376 |
WMSStatus status, String layerName) {
|
377 |
return new WMSGetLegendGraphicRequest1_1_3(status, this, layerName); |
378 |
} |
379 |
|
380 |
|
381 |
/* (non-Javadoc)
|
382 |
* @see org.gvsig.remoteclient.wms.WMSProtocolHandler#createGetCapabilitiesRequest(org.gvsig.remoteclient.wms.WMSStatus)
|
383 |
*/
|
384 |
protected WMSGetCapabilitiesRequest createGetCapabilitiesRequest(
|
385 |
WMSStatus status) { |
386 |
return new WMSGetCapabilitiesRequest1_3_0(status, this); |
387 |
} |
388 |
} |