svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.remoteclient / src / main / java / org / gvsig / remoteclient / wms / wms_1_1_1 / WMSProtocolHandler1_1_1.java @ 41285
History | View | Annotate | Download (12.7 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_1_1; |
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.TreeMap; |
32 |
|
33 |
import org.kxml2.io.KXmlParser; |
34 |
import org.xmlpull.v1.XmlPullParserException; |
35 |
|
36 |
import org.gvsig.remoteclient.utils.CapabilitiesTags; |
37 |
import org.gvsig.remoteclient.utils.EncodingXMLParser; |
38 |
import org.gvsig.remoteclient.utils.ExceptionTags; |
39 |
import org.gvsig.remoteclient.wms.WMSProtocolHandler; |
40 |
import org.gvsig.remoteclient.wms.WMSServiceInformation; |
41 |
import org.gvsig.remoteclient.wms.WMSStatus; |
42 |
import org.gvsig.remoteclient.wms.request.WMSGetCapabilitiesRequest; |
43 |
import org.gvsig.remoteclient.wms.request.WMSGetFeatureInfoRequest; |
44 |
import org.gvsig.remoteclient.wms.request.WMSGetLegendGraphicRequest; |
45 |
import org.gvsig.remoteclient.wms.request.WMSGetMapRequest; |
46 |
import org.gvsig.remoteclient.wms.wms_1_1_1.request.WMSGetCapabilitiesRequest1_1_1; |
47 |
import org.gvsig.remoteclient.wms.wms_1_1_1.request.WMSGetFeatureInfoRequest1_1_1; |
48 |
import org.gvsig.remoteclient.wms.wms_1_1_1.request.WMSGetLegendGraphicRequest1_1_1; |
49 |
import org.gvsig.remoteclient.wms.wms_1_1_1.request.WMSGetMapRequest1_1_1; |
50 |
import org.slf4j.Logger; |
51 |
import org.slf4j.LoggerFactory; |
52 |
|
53 |
/**
|
54 |
* <p>
|
55 |
* Describes the handler to comunicate to a WMS 1.1.1
|
56 |
* </p>
|
57 |
*/
|
58 |
public class WMSProtocolHandler1_1_1 extends WMSProtocolHandler { |
59 |
|
60 |
private static final Logger logger = LoggerFactory.getLogger(WMSProtocolHandler1_1_1.class); |
61 |
|
62 |
private WMSLayer1_1_1 fakeRootLayer;
|
63 |
|
64 |
public WMSProtocolHandler1_1_1()
|
65 |
{ |
66 |
this.version = "1.1.1"; |
67 |
this.name = "WMS1.1.1"; |
68 |
this.serviceInfo = new WMSServiceInformation(); |
69 |
this.layers = new TreeMap(); |
70 |
} |
71 |
|
72 |
//------------------------------------------------------------------------------
|
73 |
// Parsing methods....
|
74 |
//------------------------------------------------------------------------------
|
75 |
|
76 |
public boolean parseCapabilities(File f) |
77 |
{ |
78 |
rootLayer = null;
|
79 |
rootLayer = null;
|
80 |
int tag;
|
81 |
EncodingXMLParser kxmlParser = null;
|
82 |
kxmlParser = new EncodingXMLParser();
|
83 |
try
|
84 |
{ |
85 |
// FileReader reader = new FileReader(f);
|
86 |
// BufferedReader br = new BufferedReader(reader);
|
87 |
//
|
88 |
// // patch for ArcIMS + WMS connector > 9.0 bug
|
89 |
// char[] buffer = new char[(int) f.length()];
|
90 |
// br.read(buffer);
|
91 |
// String string = new String(buffer);
|
92 |
// int a = string.toLowerCase().indexOf("<?xml");
|
93 |
// if (a !=-1) {
|
94 |
// string = string.substring(a, string.length());
|
95 |
// kxmlParser.setInput(string);
|
96 |
// } else
|
97 |
// end patch
|
98 |
kxmlParser.setInput(f); |
99 |
|
100 |
kxmlParser.nextTag(); |
101 |
if ( kxmlParser.getEventType() != KXmlParser.END_DOCUMENT )
|
102 |
{ |
103 |
kxmlParser.require(KXmlParser.START_TAG, null, CapabilitiesTags.CAPABILITIES_ROOT1_1_1);
|
104 |
tag = kxmlParser.nextTag(); |
105 |
while(tag != KXmlParser.END_DOCUMENT)
|
106 |
{ |
107 |
switch(tag)
|
108 |
{ |
109 |
|
110 |
case KXmlParser.START_TAG:
|
111 |
if (kxmlParser.getName().compareTo(CapabilitiesTags.SERVICE )==0) |
112 |
{ |
113 |
parseServiceTag(kxmlParser); |
114 |
} |
115 |
else if (kxmlParser.getName().compareTo(CapabilitiesTags.CAPABILITY)==0) |
116 |
{ |
117 |
parseCapabilityTag(kxmlParser); |
118 |
} |
119 |
break;
|
120 |
case KXmlParser.END_TAG:
|
121 |
break;
|
122 |
case KXmlParser.TEXT:
|
123 |
//System.out.println("[TEXT]["+kxmlParser.getText()+"]");
|
124 |
break;
|
125 |
} |
126 |
tag = kxmlParser.next(); |
127 |
} |
128 |
kxmlParser.require(KXmlParser.END_DOCUMENT, null, null); |
129 |
} |
130 |
} |
131 |
catch(XmlPullParserException parser_ex){
|
132 |
logger.warn("Error parsing capabilites.",parser_ex);
|
133 |
return false; |
134 |
} |
135 |
catch (IOException ioe) { |
136 |
logger.warn("Error parsing capabilites.",ioe);
|
137 |
return false; |
138 |
} finally {
|
139 |
return true; |
140 |
} |
141 |
// In the parsing process the layer has been filled
|
142 |
} |
143 |
|
144 |
/**
|
145 |
* <p>Parses the Service Information </p>
|
146 |
*/
|
147 |
private void parseServiceTag(KXmlParser parser) throws IOException, XmlPullParserException |
148 |
{ |
149 |
int currentTag;
|
150 |
boolean end = false; |
151 |
|
152 |
parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.SERVICE);
|
153 |
currentTag = parser.next(); |
154 |
|
155 |
while (!end)
|
156 |
{ |
157 |
switch(currentTag)
|
158 |
{ |
159 |
case KXmlParser.START_TAG:
|
160 |
if (parser.getName().compareTo(CapabilitiesTags.NAME)==0) |
161 |
{ |
162 |
serviceInfo.name = parser.nextText(); |
163 |
} |
164 |
else if (parser.getName().compareTo(CapabilitiesTags.TITLE)==0) |
165 |
{ |
166 |
serviceInfo.title = parser.nextText(); |
167 |
} |
168 |
else if (parser.getName().compareTo(CapabilitiesTags.ABSTRACT)==0) |
169 |
{ |
170 |
serviceInfo.abstr = parser.nextText(); |
171 |
} |
172 |
else if (parser.getName().compareTo(CapabilitiesTags.ONLINERESOURCE)==0) |
173 |
{ |
174 |
String value = new String(); |
175 |
value = parser.getAttributeValue("", CapabilitiesTags.XLINK_HREF);
|
176 |
if (value != null){ |
177 |
serviceInfo.online_resource = value; |
178 |
} |
179 |
} |
180 |
else if ((parser.getName().compareTo(CapabilitiesTags.KEYWORDLIST)==0) || |
181 |
(parser.getName().compareTo(CapabilitiesTags.CONTACTINFORMATION)==0))
|
182 |
{ |
183 |
parser.skipSubTree(); |
184 |
} |
185 |
break;
|
186 |
case KXmlParser.END_TAG:
|
187 |
if (parser.getName().compareTo(CapabilitiesTags.SERVICE) == 0) |
188 |
end = true;
|
189 |
break;
|
190 |
case KXmlParser.TEXT:
|
191 |
break;
|
192 |
} |
193 |
if (!end)
|
194 |
currentTag = parser.next(); |
195 |
} |
196 |
parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.SERVICE);
|
197 |
} |
198 |
/**
|
199 |
* <p>Parses the Capability Tag </p>
|
200 |
*/
|
201 |
private void parseCapabilityTag(KXmlParser parser) throws IOException, XmlPullParserException |
202 |
{ |
203 |
int currentTag;
|
204 |
boolean end = false; |
205 |
|
206 |
parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.CAPABILITY);
|
207 |
currentTag = parser.next(); |
208 |
|
209 |
while (!end)
|
210 |
{ |
211 |
switch(currentTag)
|
212 |
{ |
213 |
case KXmlParser.START_TAG:
|
214 |
if (parser.getName().compareTo(CapabilitiesTags.REQUEST)==0) |
215 |
{ |
216 |
parseRequestTag(parser); |
217 |
} |
218 |
else if (parser.getName().compareTo(CapabilitiesTags.EXCEPTION)==0) |
219 |
{ |
220 |
//TODO:
|
221 |
//Add to serviceInfo the supported formats for the exceptions????
|
222 |
} |
223 |
else if (parser.getName().compareTo(CapabilitiesTags.LAYER)==0) |
224 |
{ |
225 |
WMSLayer1_1_1 lyr = new WMSLayer1_1_1();
|
226 |
lyr.parse(parser, layers); |
227 |
|
228 |
if (rootLayer == null) |
229 |
rootLayer = lyr; |
230 |
else {
|
231 |
// Handles when there is no general root layer, will use
|
232 |
// a fake non-queryable one.
|
233 |
if (!rootLayer.equals(getFakeRootLayer())){
|
234 |
WMSLayer1_1_1 aux = (WMSLayer1_1_1) rootLayer; |
235 |
rootLayer = getFakeRootLayer(); |
236 |
rootLayer.getChildren().add(aux); |
237 |
} |
238 |
rootLayer.getChildren().add(lyr); |
239 |
} |
240 |
|
241 |
if (lyr.getName()!=null) |
242 |
layers.put(lyr.getName(), lyr); |
243 |
|
244 |
// Collection layerCollection = layers.values();
|
245 |
// Iterator iter = layerCollection.iterator();
|
246 |
// while (iter.hasNext())
|
247 |
// {
|
248 |
// WMSLayer1_1_1 layer = (WMSLayer1_1_1)iter.next();
|
249 |
// //Add all the SRS that the layer supports to the WMSProtocolHandler if they dont exist already
|
250 |
// for (i=0;i<layer.getAllSrs().size();i++)
|
251 |
// {
|
252 |
//// if (!layer.srs.contains(layer.getAllSrs().elementAt(i)))
|
253 |
//// {
|
254 |
//// this.srs.add(layer.getAllSrs().elementAt(i));
|
255 |
//// }
|
256 |
// }
|
257 |
// }
|
258 |
} |
259 |
else if ((parser.getName().compareTo(CapabilitiesTags.VENDORSPECIFICCAPABILITIES)==0) || |
260 |
(parser.getName().compareTo(CapabilitiesTags.USERDEFINEDSYMBOLIZATION )==0))
|
261 |
|
262 |
{ |
263 |
parser.skipSubTree(); |
264 |
} |
265 |
break;
|
266 |
case KXmlParser.END_TAG:
|
267 |
if (parser.getName().compareTo(CapabilitiesTags.CAPABILITY) == 0) |
268 |
end = true;
|
269 |
break;
|
270 |
case KXmlParser.TEXT:
|
271 |
break;
|
272 |
} |
273 |
if (!end)
|
274 |
currentTag = parser.next(); |
275 |
} |
276 |
//parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.CAPABILITY);
|
277 |
} |
278 |
|
279 |
private WMSLayer1_1_1 getFakeRootLayer(){
|
280 |
if (fakeRootLayer == null){ |
281 |
fakeRootLayer = new WMSLayer1_1_1();
|
282 |
fakeRootLayer.setTitle(serviceInfo.title); |
283 |
fakeRootLayer.setQueryable(false);
|
284 |
fakeRootLayer.setName(null);
|
285 |
} |
286 |
return fakeRootLayer;
|
287 |
} |
288 |
/* (non-Javadoc)
|
289 |
* @see org.gvsig.remoteClient.wms.WMSProtocolHandler#parseException(byte[])
|
290 |
*/
|
291 |
protected String parseException(byte[] data) { |
292 |
ArrayList errors = new ArrayList(); |
293 |
KXmlParser kxmlParser = new KXmlParser();
|
294 |
try
|
295 |
{ |
296 |
kxmlParser.setInput(new ByteArrayInputStream(data), encoding); |
297 |
int tag;
|
298 |
|
299 |
boolean end = false; |
300 |
tag = kxmlParser.nextTag(); |
301 |
|
302 |
//Comentar temporalmente para subsanar el hecho de que SimonCit me devuelve las capabilities en un GetLegendGraphic!!!
|
303 |
kxmlParser.require(KXmlParser.START_TAG, null, ExceptionTags.EXCEPTION_ROOT);
|
304 |
|
305 |
while (!end)
|
306 |
{ |
307 |
switch(tag)
|
308 |
{ |
309 |
case KXmlParser.START_TAG:
|
310 |
if (kxmlParser.getName().compareTo(ExceptionTags.SERVICE_EXCEPTION)==0){ |
311 |
String errorCode = kxmlParser.getAttributeValue("", ExceptionTags.CODE); |
312 |
errorCode = (errorCode != null) ? "["+errorCode+"] " : ""; |
313 |
String errorMessage = kxmlParser.nextText();
|
314 |
errors.add(errorCode+errorMessage); |
315 |
} |
316 |
break;
|
317 |
case KXmlParser.END_TAG:
|
318 |
if (kxmlParser.getName().compareTo(ExceptionTags.EXCEPTION_ROOT) == 0) |
319 |
end = true;
|
320 |
break;
|
321 |
} |
322 |
if (!end)
|
323 |
{ |
324 |
tag = kxmlParser.nextTag(); |
325 |
} |
326 |
} |
327 |
} |
328 |
catch(XmlPullParserException parser_ex){
|
329 |
logger.warn("",parser_ex);
|
330 |
} |
331 |
catch (IOException ioe) { |
332 |
logger.warn("",ioe);
|
333 |
} |
334 |
String message = errors.size()>0? "" : null; |
335 |
for (int i = 0; i < errors.size(); i++) { |
336 |
message += (String) errors.get(i)+"\n"; |
337 |
} |
338 |
return message;
|
339 |
} |
340 |
|
341 |
/*
|
342 |
* (non-Javadoc)
|
343 |
* @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetFeatureInfoRequest(org.gvsig.remoteClient.wms.WMSStatus, int, int)
|
344 |
*/
|
345 |
protected WMSGetFeatureInfoRequest createGetFeatureInfoRequest(
|
346 |
WMSStatus status, int x, int y) { |
347 |
return new WMSGetFeatureInfoRequest1_1_1(status, this, x, y); |
348 |
} |
349 |
|
350 |
/*
|
351 |
* (non-Javadoc)
|
352 |
* @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetMapRequest(org.gvsig.remoteClient.wms.WMSStatus)
|
353 |
*/
|
354 |
protected WMSGetMapRequest createGetMapRequest(WMSStatus status) {
|
355 |
return new WMSGetMapRequest1_1_1(status, this); |
356 |
} |
357 |
|
358 |
/*
|
359 |
* (non-Javadoc)
|
360 |
* @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetLegendGraphicRequest(org.gvsig.remoteClient.wms.WMSStatus, java.lang.String)
|
361 |
*/
|
362 |
protected WMSGetLegendGraphicRequest createGetLegendGraphicRequest(
|
363 |
WMSStatus status, String layerName) {
|
364 |
return new WMSGetLegendGraphicRequest1_1_1(status, this, layerName); |
365 |
} |
366 |
|
367 |
|
368 |
/* (non-Javadoc)
|
369 |
* @see org.gvsig.remoteclient.wms.WMSProtocolHandler#createGetCapabilitiesRequest(org.gvsig.remoteclient.wms.WMSStatus)
|
370 |
*/
|
371 |
protected WMSGetCapabilitiesRequest createGetCapabilitiesRequest(
|
372 |
WMSStatus status) { |
373 |
return new WMSGetCapabilitiesRequest1_1_1(status, this); |
374 |
} |
375 |
} |