root / branches / v2_0_0_prep / libraries / libRemoteServices / src / org / gvsig / remoteclient / wms / WMSProtocolHandler.java @ 34305
History | View | Annotate | Download (19.4 KB)
1 |
package org.gvsig.remoteclient.wms; |
---|---|
2 |
|
3 |
import java.io.ByteArrayInputStream; |
4 |
import java.io.File; |
5 |
import java.io.FileReader; |
6 |
import java.io.IOException; |
7 |
import java.io.InputStream; |
8 |
import java.net.URL; |
9 |
import java.net.URLConnection; |
10 |
import java.util.ArrayList; |
11 |
import java.util.StringTokenizer; |
12 |
import java.util.TreeMap; |
13 |
|
14 |
import org.gvsig.compat.net.ICancellable; |
15 |
import org.gvsig.remoteclient.exceptions.ServerErrorException; |
16 |
import org.gvsig.remoteclient.exceptions.WMSException; |
17 |
import org.gvsig.remoteclient.ogc.OGCProtocolHandler; |
18 |
import org.gvsig.remoteclient.ogc.OGCServiceInformation; |
19 |
import org.gvsig.remoteclient.utils.CapabilitiesTags; |
20 |
import org.gvsig.remoteclient.utils.ExceptionTags; |
21 |
import org.gvsig.remoteclient.utils.Utilities; |
22 |
import org.gvsig.remoteclient.wms.request.WMSGetCapabilitiesRequest; |
23 |
import org.gvsig.remoteclient.wms.request.WMSGetFeatureInfoRequest; |
24 |
import org.gvsig.remoteclient.wms.request.WMSGetLegendGraphicRequest; |
25 |
import org.gvsig.remoteclient.wms.request.WMSGetMapRequest; |
26 |
import org.kxml2.io.KXmlParser; |
27 |
import org.xmlpull.v1.XmlPullParserException; |
28 |
|
29 |
/**
|
30 |
* <p> Abstract class that represents handlers to comunicate via WMS protocol.
|
31 |
* </p>
|
32 |
*
|
33 |
*/
|
34 |
public abstract class WMSProtocolHandler extends OGCProtocolHandler{ |
35 |
/**
|
36 |
* Encoding used to parse different xml documents.
|
37 |
*/
|
38 |
protected String encoding = "UTF-8"; |
39 |
/**
|
40 |
* WMS metadata
|
41 |
*/
|
42 |
protected WMSServiceInformation serviceInfo;
|
43 |
public TreeMap layers; |
44 |
public WMSLayer rootLayer;
|
45 |
|
46 |
/**
|
47 |
* returns the alfanumeric information of the layers at the specified point.
|
48 |
* the diference between the other getfeatureInfo method is that this will
|
49 |
* be implemented by each specific version because the XML from the server will be
|
50 |
* parsed and presented by a well known structure.
|
51 |
*/
|
52 |
|
53 |
public String getName() { |
54 |
return name;
|
55 |
} |
56 |
|
57 |
/*
|
58 |
* (non-Javadoc)
|
59 |
* @see org.gvsig.remoteClient.ogc.OGCProtocolHandler#getServiceInformation()
|
60 |
*/
|
61 |
public OGCServiceInformation getServiceInformation() {
|
62 |
return serviceInfo;
|
63 |
} |
64 |
|
65 |
/**
|
66 |
* <p>Builds a GetCapabilities request that is sent to the WMS
|
67 |
* the response will be parse to extract the data needed by the
|
68 |
* WMS client</p>
|
69 |
* @param override, if true the previous downloaded data will be overridden
|
70 |
*/
|
71 |
public void getCapabilities(WMSStatus status, boolean override, ICancellable cancel) |
72 |
{ |
73 |
try
|
74 |
{ |
75 |
if (status == null){ |
76 |
|
77 |
} |
78 |
WMSGetCapabilitiesRequest request = createGetCapabilitiesRequest(status); |
79 |
File f = request.sendRequest(cancel);
|
80 |
|
81 |
if (f == null) |
82 |
return;
|
83 |
clear(); |
84 |
parseCapabilities(f); |
85 |
} catch(Exception e) |
86 |
{ |
87 |
//TODO
|
88 |
e.printStackTrace(); |
89 |
} |
90 |
} |
91 |
|
92 |
private void clear() { |
93 |
layers.clear(); |
94 |
serviceInfo.clear(); |
95 |
} |
96 |
|
97 |
/**
|
98 |
* <p>It will send a GetFeatureInfo request to the WMS
|
99 |
* Parsing the response and redirecting the info to the WMS client</p>
|
100 |
* TODO: return a stored file instead a String.
|
101 |
*/
|
102 |
public String getFeatureInfo(WMSStatus status, int x, int y, int featureCount, ICancellable cancel) |
103 |
{ |
104 |
StringBuffer output = new StringBuffer(); |
105 |
String outputFormat = new String(); |
106 |
String ServiceException = "ServiceExceptionReport"; |
107 |
StringBuffer sb = new StringBuffer(); |
108 |
sb.append("<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>");
|
109 |
try
|
110 |
{ |
111 |
WMSGetFeatureInfoRequest request = createGetFeatureInfoRequest(status, x, y); |
112 |
URL url = request.getURL();
|
113 |
outputFormat = url.openConnection().getContentType(); |
114 |
File f = request.sendRequest(cancel);
|
115 |
if (f == null){ |
116 |
return ""; |
117 |
} |
118 |
|
119 |
FileReader fReader = new FileReader(f); |
120 |
char[] buffer = new char[1024*256]; |
121 |
for (int i = fReader.read(buffer); i>0; i = fReader.read(buffer)) |
122 |
{ |
123 |
String str = new String(buffer,0,i); |
124 |
output.append(str); |
125 |
} |
126 |
if ( (outputFormat == null) || (outputFormat.indexOf("xml") != -1) |
127 |
||output.toString().toLowerCase().startsWith("<?xml")
|
128 |
||(outputFormat.indexOf("gml") != -1)) |
129 |
{ |
130 |
int tag;
|
131 |
KXmlParser kxmlParser = null;
|
132 |
kxmlParser = new KXmlParser();
|
133 |
//kxmlParser.setInput(new StringReader(output.toString()));
|
134 |
kxmlParser.setInput(new FileReader(f)); |
135 |
|
136 |
tag = kxmlParser.nextTag(); |
137 |
if (kxmlParser.getName().compareTo(ServiceException)==0) |
138 |
{ |
139 |
sb.append("<INFO>").append(parseException( output.toString().getBytes())).append("</INFO>"); |
140 |
return sb.toString();
|
141 |
} |
142 |
else if (kxmlParser.getName().compareToIgnoreCase("ERROR")==0) |
143 |
{ |
144 |
return output.toString();
|
145 |
} |
146 |
else
|
147 |
{ |
148 |
return output.toString();
|
149 |
} |
150 |
} |
151 |
else
|
152 |
{ |
153 |
//Para que funcione con el GetFeatureInfo Viewer generico hay que devolver:
|
154 |
return output.toString();
|
155 |
} |
156 |
} |
157 |
catch(XmlPullParserException parserEx)
|
158 |
{ |
159 |
if (output.toString().toLowerCase().indexOf("xml") != -1) |
160 |
{ |
161 |
return output.toString().trim();
|
162 |
} |
163 |
else
|
164 |
{ |
165 |
sb.append("<INFO>").append("Info format not supported").append("</INFO>"); |
166 |
return sb.toString();
|
167 |
} |
168 |
} |
169 |
catch(Exception e) |
170 |
{ |
171 |
e.printStackTrace(); |
172 |
sb.append("<INFO>").append("Info format not supported").append("</INFO>"); |
173 |
return sb.toString();
|
174 |
|
175 |
} |
176 |
} |
177 |
/**
|
178 |
* <p>Builds a GetMap request that is sent to the WMS
|
179 |
* the response (image) will be redirect to the
|
180 |
* WMS client</p>
|
181 |
*/
|
182 |
public byte[] _getMap(WMSStatus status) throws ServerErrorException, WMSException |
183 |
{ |
184 |
try
|
185 |
{ |
186 |
//TODO:
|
187 |
//pass this buildXXXRequest to the WMSProtocolHandlerXXX: The request can depend on the WMS version.
|
188 |
WMSGetMapRequest request = createGetMapRequest(status); |
189 |
URL url = request.getURL();
|
190 |
|
191 |
URLConnection conn = url.openConnection();
|
192 |
System.out.println(request.toString());
|
193 |
String type = conn.getContentType();
|
194 |
|
195 |
|
196 |
byte[] imageBytes = null; |
197 |
byte[] buffer = new byte[1024*256]; |
198 |
InputStream is = conn.getInputStream();
|
199 |
int readed = 0; |
200 |
|
201 |
for (int i = is.read(buffer); i>0; i = is.read(buffer)){ |
202 |
// Creates a new buffer to contain the previous readed bytes and the next bunch of bytes
|
203 |
byte[] buffered = new byte[readed+i]; |
204 |
for (int j = 0; j < buffered.length; j++) { |
205 |
if (j<readed){
|
206 |
// puts the previously downloaded bytes into the image buffer
|
207 |
buffered[j] = imageBytes[j]; |
208 |
} |
209 |
else {
|
210 |
// appends the recently downloaded bytes to the image buffer.
|
211 |
buffered[j] = buffer[j-readed]; |
212 |
} |
213 |
} |
214 |
imageBytes = (byte[]) buffered.clone(); |
215 |
readed += i; |
216 |
} |
217 |
|
218 |
if ((type !=null && !type.subSequence(0,5).equals("image")) |
219 |
||(Utilities.isTextData(imageBytes)))
|
220 |
{ |
221 |
WMSException wmsEx = null;
|
222 |
|
223 |
String exceptionMessage = parseException(imageBytes);
|
224 |
if (exceptionMessage==null) |
225 |
{ |
226 |
String error = new String(imageBytes); |
227 |
int pos = error.indexOf("<?xml"); |
228 |
if (pos!= -1) |
229 |
{ |
230 |
String xml = error.substring(pos,error.length());
|
231 |
exceptionMessage = parseException(xml.getBytes()); |
232 |
if (exceptionMessage == null) |
233 |
exceptionMessage = new String(imageBytes); |
234 |
} |
235 |
} |
236 |
wmsEx = new WMSException(exceptionMessage);
|
237 |
wmsEx.setWMSMessage(new String(imageBytes)); |
238 |
throw wmsEx;
|
239 |
} |
240 |
return imageBytes;
|
241 |
} |
242 |
catch(IOException e) |
243 |
{ |
244 |
e.printStackTrace(); |
245 |
throw new ServerErrorException(); |
246 |
} |
247 |
} |
248 |
|
249 |
public File getLegendGraphic(WMSStatus status, String layerName, ICancellable cancel) throws ServerErrorException, WMSException |
250 |
{ |
251 |
try
|
252 |
{ |
253 |
WMSGetLegendGraphicRequest request = createGetLegendGraphicRequest(status, layerName); |
254 |
File f = request.sendRequest(cancel);
|
255 |
if (f== null) |
256 |
return null; |
257 |
if (Utilities.isTextFile(f)) { |
258 |
|
259 |
byte[] data = fileToBytes(f); |
260 |
|
261 |
WMSException wmsEx = null;
|
262 |
|
263 |
String exceptionMessage = parseException(data);
|
264 |
if (exceptionMessage==null) |
265 |
{ |
266 |
String error = new String(data); |
267 |
int pos = error.indexOf("<?xml"); |
268 |
if (pos!= -1) |
269 |
{ |
270 |
String xml = error.substring(pos,error.length());
|
271 |
exceptionMessage = parseException(xml.getBytes()); |
272 |
} |
273 |
if (exceptionMessage == null) |
274 |
exceptionMessage = new String(data); |
275 |
|
276 |
} |
277 |
wmsEx = new WMSException(exceptionMessage);
|
278 |
wmsEx.setWMSMessage(new String(data)); |
279 |
downloader.removeURL(request); |
280 |
throw wmsEx;
|
281 |
} |
282 |
return f;
|
283 |
} |
284 |
catch(IOException e) |
285 |
{ |
286 |
e.printStackTrace(); |
287 |
throw new ServerErrorException(); |
288 |
} |
289 |
} |
290 |
|
291 |
public File getMap(WMSStatus status, ICancellable cancel) throws ServerErrorException, WMSException |
292 |
{ |
293 |
try
|
294 |
{ |
295 |
WMSGetMapRequest request = createGetMapRequest(status); |
296 |
File f = request.sendRequest(cancel);
|
297 |
|
298 |
if (f== null) |
299 |
return null; |
300 |
if (Utilities.isTextFile(f)) { |
301 |
byte[] data = fileToBytes(f); |
302 |
|
303 |
WMSException wmsEx = null;
|
304 |
|
305 |
String exceptionMessage = parseException(data);
|
306 |
if (exceptionMessage==null) |
307 |
{ |
308 |
String error = new String(data); |
309 |
int pos = error.indexOf("<?xml"); |
310 |
if (pos!= -1) |
311 |
{ |
312 |
String xml = error.substring(pos,error.length());
|
313 |
exceptionMessage = parseException(xml.getBytes()); |
314 |
// if (exceptionMessage == null)
|
315 |
// exceptionMessage = new String(data);
|
316 |
} |
317 |
if (exceptionMessage == null) |
318 |
exceptionMessage = new String(data); |
319 |
|
320 |
} |
321 |
wmsEx = new WMSException(exceptionMessage);
|
322 |
wmsEx.setWMSMessage(new String(data)); |
323 |
|
324 |
// Since it is an error file, It must be deleted from the cache
|
325 |
downloader.removeURL(request); |
326 |
throw wmsEx;
|
327 |
} |
328 |
return f;
|
329 |
} |
330 |
catch(IOException e) |
331 |
{ |
332 |
e.printStackTrace(); |
333 |
throw new ServerErrorException(); |
334 |
} |
335 |
} |
336 |
|
337 |
|
338 |
/* (non-Javadoc)
|
339 |
* @see org.gvsig.remoteClient.wms.WMSProtocolHandler#parseException(byte[])
|
340 |
*/
|
341 |
protected String parseException(byte[] data) { |
342 |
ArrayList errors = new ArrayList(); |
343 |
KXmlParser kxmlParser = new KXmlParser();
|
344 |
try
|
345 |
{ |
346 |
kxmlParser.setInput(new ByteArrayInputStream(data), encoding); |
347 |
kxmlParser.nextTag(); |
348 |
int tag;
|
349 |
if ( kxmlParser.getEventType() != KXmlParser.END_DOCUMENT )
|
350 |
{ |
351 |
kxmlParser.require(KXmlParser.START_TAG, null, ExceptionTags.EXCEPTION_ROOT);
|
352 |
tag = kxmlParser.nextTag(); |
353 |
while(tag != KXmlParser.END_DOCUMENT)
|
354 |
{ |
355 |
switch(tag)
|
356 |
{ |
357 |
case KXmlParser.START_TAG:
|
358 |
if (kxmlParser.getName().compareTo(ExceptionTags.SERVICE_EXCEPTION)==0){ |
359 |
String errorCode = kxmlParser.getAttributeValue("", ExceptionTags.CODE); |
360 |
errorCode = (errorCode != null) ? "["+errorCode+"] " : ""; |
361 |
String errorMessage = kxmlParser.nextText();
|
362 |
errors.add(errorCode+errorMessage); |
363 |
} |
364 |
break;
|
365 |
case KXmlParser.END_TAG:
|
366 |
break;
|
367 |
|
368 |
} |
369 |
tag = kxmlParser.nextTag(); |
370 |
} |
371 |
//kxmlParser.require(KXmlParser.END_DOCUMENT, null, null);
|
372 |
} |
373 |
} |
374 |
catch(XmlPullParserException parser_ex){
|
375 |
parser_ex.printStackTrace(); |
376 |
} |
377 |
catch (IOException ioe) { |
378 |
ioe.printStackTrace(); |
379 |
} |
380 |
String message = errors.size()>0? "" : null; |
381 |
for (int i = 0; i < errors.size(); i++) { |
382 |
message += (String) errors.get(i)+"\n"; |
383 |
} |
384 |
return message;
|
385 |
} |
386 |
/**
|
387 |
* Builds the GetCapabilitiesRequest according to the OGC WMS Specifications
|
388 |
* without a VERSION, to get the highest version than a WMS supports.
|
389 |
*/
|
390 |
public static String buildCapabilitiesSuitableVersionRequest(String _host, String _version) |
391 |
{ |
392 |
int index = _host.indexOf('?'); |
393 |
|
394 |
if (index > -1) { |
395 |
String host = _host.substring(0, index + 1); |
396 |
String query = _host.substring(index + 1, _host.length()); |
397 |
|
398 |
StringTokenizer tokens = new StringTokenizer(query, "&"); |
399 |
String newQuery = "", token; |
400 |
|
401 |
// If there is a field or a value with spaces, (and then it's on different tokens) -> unify them
|
402 |
while (tokens.hasMoreTokens()) {
|
403 |
token = tokens.nextToken().trim(); |
404 |
|
405 |
if (token.toUpperCase().compareTo("REQUEST=GETCAPABILITIES") == 0) |
406 |
continue;
|
407 |
|
408 |
if (token.toUpperCase().compareTo("SERVICE=WMS") == 0) |
409 |
continue;
|
410 |
|
411 |
if ((_version != null) && (_version.length() > 0)) { |
412 |
if (token.toUpperCase().compareTo("VERSION=" + _version) == 0) |
413 |
continue;
|
414 |
} |
415 |
|
416 |
if (token.toUpperCase().compareTo("EXCEPTIONS=XML") == 0) |
417 |
continue;
|
418 |
|
419 |
newQuery += token + "&";
|
420 |
} |
421 |
|
422 |
_host = host + newQuery; |
423 |
} |
424 |
else {
|
425 |
_host += "?";
|
426 |
} |
427 |
|
428 |
if ((_version != null) && (_version.compareTo("") != 0)) |
429 |
_host += "REQUEST=GetCapabilities&SERVICE=WMS&VERSION=" + _version;
|
430 |
else
|
431 |
_host += "REQUEST=GetCapabilities&SERVICE=WMS";
|
432 |
|
433 |
return _host;
|
434 |
} |
435 |
|
436 |
/**
|
437 |
* Builds the GetCapabilitiesRequest according to the OGC WMS Specifications
|
438 |
* @param WMSStatus
|
439 |
*/
|
440 |
private String buildCapabilitiesRequest(WMSStatus status) |
441 |
{ |
442 |
StringBuffer req = new StringBuffer(); |
443 |
String symbol = null; |
444 |
|
445 |
String onlineResource;
|
446 |
if (status == null || status.getOnlineResource() == null) |
447 |
onlineResource = getHost(); |
448 |
else
|
449 |
onlineResource = status.getOnlineResource(); |
450 |
symbol = getSymbol(onlineResource); |
451 |
|
452 |
req.append(onlineResource).append(symbol).append("REQUEST=GetCapabilities&SERVICE=WMS&");
|
453 |
req.append("VERSION=").append(getVersion());
|
454 |
return req.toString();
|
455 |
} |
456 |
|
457 |
public void close() { |
458 |
// your code here
|
459 |
} |
460 |
|
461 |
/**
|
462 |
* @param status
|
463 |
* The WMS status
|
464 |
* @param protocolHandler
|
465 |
* The handler to parse the requests
|
466 |
* @return an object to send the GetMap requests
|
467 |
*/
|
468 |
protected abstract WMSGetMapRequest createGetMapRequest(WMSStatus status); |
469 |
|
470 |
protected abstract WMSGetFeatureInfoRequest createGetFeatureInfoRequest(WMSStatus status, int x, int y); |
471 |
|
472 |
protected abstract WMSGetLegendGraphicRequest createGetLegendGraphicRequest(WMSStatus status, String layerName); |
473 |
|
474 |
protected abstract WMSGetCapabilitiesRequest createGetCapabilitiesRequest(WMSStatus status); |
475 |
|
476 |
/**
|
477 |
* <p>Parses the Request tag </p>
|
478 |
*/
|
479 |
protected void parseRequestTag(KXmlParser parser) throws IOException, XmlPullParserException |
480 |
{ |
481 |
int currentTag;
|
482 |
boolean end = false; |
483 |
|
484 |
parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.REQUEST);
|
485 |
currentTag = parser.next(); |
486 |
|
487 |
while (!end)
|
488 |
{ |
489 |
switch(currentTag)
|
490 |
{ |
491 |
case KXmlParser.START_TAG:
|
492 |
if (parser.getName().compareTo(CapabilitiesTags.GETCAPABILITIES)==0) |
493 |
{ |
494 |
parserDcpType(parser, CapabilitiesTags.GETCAPABILITIES); |
495 |
} |
496 |
else if (parser.getName().compareTo(CapabilitiesTags.GETMAP)==0) |
497 |
{ |
498 |
parseGetMapTag(parser); |
499 |
} |
500 |
else if (parser.getName().compareTo(CapabilitiesTags.GETFEATUREINFO)==0) |
501 |
{ |
502 |
parseGetFeatureInfoTag(parser); |
503 |
} |
504 |
else if (parser.getName().compareTo(CapabilitiesTags.DESCRIBELAYER)==0) |
505 |
{ |
506 |
parserDcpType(parser, CapabilitiesTags.DESCRIBELAYER); |
507 |
} |
508 |
else if (parser.getName().compareTo(CapabilitiesTags.GETLEGENDGRAPHIC)==0) |
509 |
{ |
510 |
parseGetLegendGraphicTag(parser); |
511 |
} |
512 |
break;
|
513 |
case KXmlParser.END_TAG:
|
514 |
if (parser.getName().compareTo(CapabilitiesTags.REQUEST) == 0) |
515 |
end = true;
|
516 |
break;
|
517 |
case KXmlParser.TEXT:
|
518 |
break;
|
519 |
} |
520 |
if(!end)
|
521 |
currentTag = parser.next(); |
522 |
} |
523 |
// TODO: does not get such a tag when arrives here!!!!!!
|
524 |
//parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.REQUEST);
|
525 |
} |
526 |
/**
|
527 |
* <p>Parses the GetMap tag </p>
|
528 |
*/
|
529 |
protected void parseGetMapTag(KXmlParser parser) throws IOException, XmlPullParserException |
530 |
{ |
531 |
int currentTag;
|
532 |
boolean end = false; |
533 |
|
534 |
parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.GETMAP);
|
535 |
currentTag = parser.next(); |
536 |
|
537 |
while (!end)
|
538 |
{ |
539 |
switch(currentTag)
|
540 |
{ |
541 |
case KXmlParser.START_TAG:
|
542 |
if (parser.getName().compareTo(CapabilitiesTags.FORMAT)==0) |
543 |
{ |
544 |
serviceInfo.formats.add(parser.nextText()); |
545 |
} |
546 |
else if (parser.getName().compareTo(CapabilitiesTags.DCPTYPE)==0) |
547 |
{ |
548 |
parserDcpType(parser, CapabilitiesTags.GETMAP); |
549 |
} |
550 |
break;
|
551 |
case KXmlParser.END_TAG:
|
552 |
if (parser.getName().compareTo(CapabilitiesTags.GETMAP) == 0) |
553 |
end = true;
|
554 |
break;
|
555 |
case KXmlParser.TEXT:
|
556 |
break;
|
557 |
} |
558 |
if(!end)
|
559 |
currentTag = parser.next(); |
560 |
} |
561 |
} |
562 |
|
563 |
/**
|
564 |
* <p>Parses the GetFeatureInfo tag </p>
|
565 |
*/
|
566 |
protected void parseGetFeatureInfoTag(KXmlParser parser) throws IOException, XmlPullParserException |
567 |
{ |
568 |
int currentTag;
|
569 |
boolean end = false; |
570 |
|
571 |
parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.GETFEATUREINFO);
|
572 |
currentTag = parser.next(); |
573 |
|
574 |
while (!end)
|
575 |
{ |
576 |
switch(currentTag)
|
577 |
{ |
578 |
case KXmlParser.START_TAG:
|
579 |
if (parser.getName().compareTo(CapabilitiesTags.FORMAT)==0) |
580 |
{ |
581 |
//TODO:
|
582 |
// add the supported formats by the GetFeatureInfo request
|
583 |
//serviceInfo.formats.add(parser.nextText());
|
584 |
} |
585 |
else if (parser.getName().compareTo(CapabilitiesTags.DCPTYPE)==0) |
586 |
{ |
587 |
parserDcpType(parser, CapabilitiesTags.GETFEATUREINFO); |
588 |
} |
589 |
break;
|
590 |
case KXmlParser.END_TAG:
|
591 |
if (parser.getName().compareTo(CapabilitiesTags.GETFEATUREINFO) == 0) |
592 |
end = true;
|
593 |
break;
|
594 |
case KXmlParser.TEXT:
|
595 |
break;
|
596 |
} |
597 |
if(!end)
|
598 |
currentTag = parser.next(); |
599 |
} |
600 |
} |
601 |
|
602 |
/**
|
603 |
* <p>Parses the GetLegendGraphic tag </p>
|
604 |
*/
|
605 |
protected void parseGetLegendGraphicTag(KXmlParser parser) throws IOException, XmlPullParserException |
606 |
{ |
607 |
int currentTag;
|
608 |
boolean end = false; |
609 |
|
610 |
parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.GETLEGENDGRAPHIC);
|
611 |
currentTag = parser.next(); |
612 |
|
613 |
while (!end)
|
614 |
{ |
615 |
switch(currentTag)
|
616 |
{ |
617 |
case KXmlParser.START_TAG:
|
618 |
if (parser.getName().compareTo(CapabilitiesTags.FORMAT)==0) |
619 |
{ |
620 |
//TODO:
|
621 |
// add the supported formats by the GetLegendGraphic request
|
622 |
//serviceInfo.formats.add(parser.nextText());
|
623 |
} |
624 |
else if (parser.getName().compareTo(CapabilitiesTags.DCPTYPE)==0) |
625 |
{ |
626 |
parserDcpType(parser, CapabilitiesTags.GETLEGENDGRAPHIC); |
627 |
} |
628 |
break;
|
629 |
case KXmlParser.END_TAG:
|
630 |
if (parser.getName().compareTo(CapabilitiesTags.GETLEGENDGRAPHIC) == 0) |
631 |
end = true;
|
632 |
break;
|
633 |
case KXmlParser.TEXT:
|
634 |
break;
|
635 |
} |
636 |
if(!end)
|
637 |
currentTag = parser.next(); |
638 |
} |
639 |
} |
640 |
} |