root / branches / v2_0_0_prep / libraries / libRemoteServices / src / org / gvsig / remoteclient / wms / wms_1_1_0 / WMSProtocolHandler1_1_0.java @ 38579
History | View | Annotate | Download (10.5 KB)
| 1 | 3687 | ldiaz | |
|---|---|---|---|
| 2 | 29648 | jpiera | package org.gvsig.remoteclient.wms.wms_1_1_0; |
| 3 | 3687 | ldiaz | |
| 4 | import java.io.ByteArrayInputStream; |
||
| 5 | import java.io.File; |
||
| 6 | import java.io.IOException; |
||
| 7 | import java.util.ArrayList; |
||
| 8 | import java.util.TreeMap; |
||
| 9 | 27881 | jpiera | |
| 10 | 33738 | jpiera | import org.kxml2.io.KXmlParser; |
| 11 | import org.xmlpull.v1.XmlPullParserException; |
||
| 12 | |||
| 13 | 29648 | jpiera | import org.gvsig.remoteclient.utils.CapabilitiesTags; |
| 14 | import org.gvsig.remoteclient.utils.EncodingXMLParser; |
||
| 15 | import org.gvsig.remoteclient.utils.ExceptionTags; |
||
| 16 | import org.gvsig.remoteclient.wms.WMSServiceInformation; |
||
| 17 | import org.gvsig.remoteclient.wms.WMSStatus; |
||
| 18 | 30324 | jpiera | import org.gvsig.remoteclient.wms.request.WMSGetCapabilitiesRequest; |
| 19 | 29648 | jpiera | import org.gvsig.remoteclient.wms.request.WMSGetFeatureInfoRequest; |
| 20 | import org.gvsig.remoteclient.wms.request.WMSGetLegendGraphicRequest; |
||
| 21 | import org.gvsig.remoteclient.wms.request.WMSGetMapRequest; |
||
| 22 | 30324 | jpiera | import org.gvsig.remoteclient.wms.wms_1_1_0.request.WMSGetCapabilitiesRequest1_1_0; |
| 23 | 29648 | jpiera | import org.gvsig.remoteclient.wms.wms_1_1_0.request.WMSGetFeatureInfoRequest1_1_0; |
| 24 | import org.gvsig.remoteclient.wms.wms_1_1_0.request.WMSGetLegendGraphicRequest1_1_0; |
||
| 25 | import org.gvsig.remoteclient.wms.wms_1_1_0.request.WMSGetMapRequest1_1_0; |
||
| 26 | 3687 | ldiaz | |
| 27 | /**
|
||
| 28 | * <p>
|
||
| 29 | * Describes the handler to comunicate to a WMS 1.1.0
|
||
| 30 | * </p>
|
||
| 31 | */
|
||
| 32 | 29648 | jpiera | public class WMSProtocolHandler1_1_0 extends org.gvsig.remoteclient.wms.WMSProtocolHandler |
| 33 | 4222 | jaume | {
|
| 34 | 3687 | ldiaz | private WMSLayer1_1_0 fakeRootLayer;
|
| 35 | |||
| 36 | public WMSProtocolHandler1_1_0()
|
||
| 37 | {
|
||
| 38 | this.version = "1.1.0"; |
||
| 39 | this.name = "WMS1.1.0"; |
||
| 40 | 27881 | jpiera | this.serviceInfo = new WMSServiceInformation(); |
| 41 | 3687 | ldiaz | this.layers = new TreeMap(); |
| 42 | } |
||
| 43 | |||
| 44 | //------------------------------------------------------------------------------
|
||
| 45 | // Parsing methods....
|
||
| 46 | //------------------------------------------------------------------------------
|
||
| 47 | 27881 | jpiera | |
| 48 | |||
| 49 | public boolean parseCapabilities(File f) |
||
| 50 | 3687 | ldiaz | {
|
| 51 | 5539 | jaume | rootLayer = null;
|
| 52 | 3687 | ldiaz | int tag;
|
| 53 | 14705 | jpiera | EncodingXMLParser kxmlParser = null;
|
| 54 | kxmlParser = new EncodingXMLParser();
|
||
| 55 | 3687 | ldiaz | try
|
| 56 | {
|
||
| 57 | 14705 | jpiera | kxmlParser.setInput(f); |
| 58 | kxmlParser.nextTag(); |
||
| 59 | 3687 | ldiaz | if ( kxmlParser.getEventType() != KXmlParser.END_DOCUMENT )
|
| 60 | {
|
||
| 61 | kxmlParser.require(KXmlParser.START_TAG, null, CapabilitiesTags.CAPABILITIES_ROOT1_1_1);
|
||
| 62 | tag = kxmlParser.nextTag(); |
||
| 63 | while(tag != KXmlParser.END_DOCUMENT)
|
||
| 64 | {
|
||
| 65 | switch(tag)
|
||
| 66 | {
|
||
| 67 | |||
| 68 | case KXmlParser.START_TAG:
|
||
| 69 | if (kxmlParser.getName().compareTo(CapabilitiesTags.SERVICE )==0) |
||
| 70 | {
|
||
| 71 | parseServiceTag(kxmlParser); |
||
| 72 | } |
||
| 73 | else if (kxmlParser.getName().compareTo(CapabilitiesTags.CAPABILITY)==0) |
||
| 74 | {
|
||
| 75 | parseCapabilityTag(kxmlParser); |
||
| 76 | } |
||
| 77 | break;
|
||
| 78 | case KXmlParser.END_TAG:
|
||
| 79 | break;
|
||
| 80 | case KXmlParser.TEXT:
|
||
| 81 | 4222 | jaume | |
| 82 | 3687 | ldiaz | break;
|
| 83 | } |
||
| 84 | tag = kxmlParser.next(); |
||
| 85 | } |
||
| 86 | 4222 | jaume | |
| 87 | 3687 | ldiaz | kxmlParser.require(KXmlParser.END_DOCUMENT, null, null); |
| 88 | } |
||
| 89 | } |
||
| 90 | catch(XmlPullParserException parser_ex){
|
||
| 91 | parser_ex.printStackTrace(); |
||
| 92 | 27881 | jpiera | return false; |
| 93 | 3687 | ldiaz | } |
| 94 | catch (IOException ioe) { |
||
| 95 | ioe.printStackTrace(); |
||
| 96 | 27881 | jpiera | return false; |
| 97 | 3687 | ldiaz | } finally {
|
| 98 | 27881 | jpiera | return true; |
| 99 | 3687 | ldiaz | } |
| 100 | } |
||
| 101 | |||
| 102 | /**
|
||
| 103 | * <p>Parses the Service Information </p>
|
||
| 104 | */
|
||
| 105 | private void parseServiceTag(KXmlParser parser) throws IOException, XmlPullParserException |
||
| 106 | {
|
||
| 107 | int currentTag;
|
||
| 108 | boolean end = false; |
||
| 109 | |||
| 110 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.SERVICE);
|
||
| 111 | currentTag = parser.next(); |
||
| 112 | |||
| 113 | while (!end)
|
||
| 114 | {
|
||
| 115 | switch(currentTag)
|
||
| 116 | {
|
||
| 117 | case KXmlParser.START_TAG:
|
||
| 118 | if (parser.getName().compareTo(CapabilitiesTags.NAME)==0) |
||
| 119 | {
|
||
| 120 | serviceInfo.name = parser.nextText(); |
||
| 121 | } |
||
| 122 | else if (parser.getName().compareTo(CapabilitiesTags.TITLE)==0) |
||
| 123 | {
|
||
| 124 | serviceInfo.title = parser.nextText(); |
||
| 125 | } |
||
| 126 | else if (parser.getName().compareTo(CapabilitiesTags.ABSTRACT)==0) |
||
| 127 | {
|
||
| 128 | serviceInfo.abstr = parser.nextText(); |
||
| 129 | } |
||
| 130 | 4222 | jaume | else if (parser.getName().compareTo(CapabilitiesTags.ONLINERESOURCE)==0) |
| 131 | {
|
||
| 132 | String value = null; |
||
| 133 | value = parser.getAttributeValue("", CapabilitiesTags.XLINK_HREF);
|
||
| 134 | if (value != null){ |
||
| 135 | serviceInfo.online_resource = value; |
||
| 136 | } |
||
| 137 | } |
||
| 138 | 3687 | ldiaz | else if ((parser.getName().compareTo(CapabilitiesTags.KEYWORDLIST)==0) || |
| 139 | (parser.getName().compareTo(CapabilitiesTags.CONTACTINFORMATION)==0))
|
||
| 140 | {
|
||
| 141 | parser.skipSubTree(); |
||
| 142 | } |
||
| 143 | break;
|
||
| 144 | case KXmlParser.END_TAG:
|
||
| 145 | if (parser.getName().compareTo(CapabilitiesTags.SERVICE) == 0) |
||
| 146 | end = true;
|
||
| 147 | break;
|
||
| 148 | case KXmlParser.TEXT:
|
||
| 149 | break;
|
||
| 150 | } |
||
| 151 | if (!end)
|
||
| 152 | currentTag = parser.next(); |
||
| 153 | } |
||
| 154 | parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.SERVICE);
|
||
| 155 | } |
||
| 156 | 4493 | jaume | |
| 157 | 3687 | ldiaz | /**
|
| 158 | * <p>Parses the Capability Tag </p>
|
||
| 159 | */
|
||
| 160 | private void parseCapabilityTag(KXmlParser parser) throws IOException, XmlPullParserException |
||
| 161 | {
|
||
| 162 | int currentTag;
|
||
| 163 | boolean end = false; |
||
| 164 | |||
| 165 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.CAPABILITY);
|
||
| 166 | currentTag = parser.next(); |
||
| 167 | |||
| 168 | while (!end)
|
||
| 169 | {
|
||
| 170 | switch(currentTag)
|
||
| 171 | {
|
||
| 172 | case KXmlParser.START_TAG:
|
||
| 173 | if (parser.getName().compareTo(CapabilitiesTags.REQUEST)==0) |
||
| 174 | {
|
||
| 175 | parseRequestTag(parser); |
||
| 176 | } |
||
| 177 | else if (parser.getName().compareTo(CapabilitiesTags.EXCEPTION)==0) |
||
| 178 | {
|
||
| 179 | 4222 | jaume | // TODO:
|
| 180 | // add the exception formats supported.
|
||
| 181 | 3687 | ldiaz | } |
| 182 | else if (parser.getName().compareTo(CapabilitiesTags.LAYER)==0) |
||
| 183 | {
|
||
| 184 | WMSLayer1_1_0 lyr = new WMSLayer1_1_0();
|
||
| 185 | if (rootLayer == null) |
||
| 186 | rootLayer = lyr; |
||
| 187 | else {
|
||
| 188 | // Handles when there is no general root layer, will use
|
||
| 189 | // a fake non-queryable one.
|
||
| 190 | if (!rootLayer.equals(getFakeRootLayer())){
|
||
| 191 | WMSLayer1_1_0 aux = (WMSLayer1_1_0) rootLayer; |
||
| 192 | rootLayer = getFakeRootLayer(); |
||
| 193 | rootLayer.getChildren().add(aux); |
||
| 194 | } |
||
| 195 | rootLayer.getChildren().add(lyr); |
||
| 196 | } |
||
| 197 | lyr.parse(parser, layers); |
||
| 198 | |||
| 199 | if (lyr.getName()!=null) |
||
| 200 | 4222 | jaume | layers.put(lyr.getName(), lyr); |
| 201 | 3687 | ldiaz | } |
| 202 | else if ((parser.getName().compareTo(CapabilitiesTags.VENDORSPECIFICCAPABILITIES)==0) || |
||
| 203 | (parser.getName().compareTo(CapabilitiesTags.USERDEFINEDSYMBOLIZATION )==0))
|
||
| 204 | |||
| 205 | {
|
||
| 206 | parser.skipSubTree(); |
||
| 207 | } |
||
| 208 | break;
|
||
| 209 | case KXmlParser.END_TAG:
|
||
| 210 | if (parser.getName().compareTo(CapabilitiesTags.CAPABILITY) == 0) |
||
| 211 | end = true;
|
||
| 212 | break;
|
||
| 213 | case KXmlParser.TEXT:
|
||
| 214 | break;
|
||
| 215 | } |
||
| 216 | 4222 | jaume | if (!end)
|
| 217 | 3687 | ldiaz | currentTag = parser.next(); |
| 218 | } |
||
| 219 | //parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.CAPABILITY);
|
||
| 220 | 27881 | jpiera | } |
| 221 | 3687 | ldiaz | |
| 222 | 4222 | jaume | |
| 223 | 3687 | ldiaz | private WMSLayer1_1_0 getFakeRootLayer(){
|
| 224 | if (fakeRootLayer == null){ |
||
| 225 | fakeRootLayer = new WMSLayer1_1_0();
|
||
| 226 | fakeRootLayer.setTitle(serviceInfo.title); |
||
| 227 | fakeRootLayer.setQueryable(false);
|
||
| 228 | fakeRootLayer.setName(null);
|
||
| 229 | } |
||
| 230 | return fakeRootLayer;
|
||
| 231 | } |
||
| 232 | 5409 | jaume | |
| 233 | 3687 | ldiaz | /* (non-Javadoc)
|
| 234 | * @see org.gvsig.remoteClient.wms.WMSProtocolHandler#parseException(byte[])
|
||
| 235 | */
|
||
| 236 | protected String parseException(byte[] data) { |
||
| 237 | ArrayList errors = new ArrayList(); |
||
| 238 | KXmlParser kxmlParser = new KXmlParser();
|
||
| 239 | 4500 | jaume | |
| 240 | 3687 | ldiaz | try
|
| 241 | {
|
||
| 242 | 4500 | jaume | kxmlParser.setInput(new ByteArrayInputStream(data), encoding); |
| 243 | 3687 | ldiaz | kxmlParser.nextTag(); |
| 244 | int tag;
|
||
| 245 | if ( kxmlParser.getEventType() != KXmlParser.END_DOCUMENT )
|
||
| 246 | {
|
||
| 247 | kxmlParser.require(KXmlParser.START_TAG, null, ExceptionTags.EXCEPTION_ROOT);
|
||
| 248 | tag = kxmlParser.nextTag(); |
||
| 249 | while(tag != KXmlParser.END_DOCUMENT)
|
||
| 250 | {
|
||
| 251 | switch(tag)
|
||
| 252 | {
|
||
| 253 | case KXmlParser.START_TAG:
|
||
| 254 | if (kxmlParser.getName().compareTo(ExceptionTags.SERVICE_EXCEPTION)==0){ |
||
| 255 | String errorCode = kxmlParser.getAttributeValue("", ExceptionTags.CODE); |
||
| 256 | errorCode = (errorCode != null) ? "["+errorCode+"] " : ""; |
||
| 257 | String errorMessage = kxmlParser.nextText();
|
||
| 258 | errors.add(errorCode+errorMessage); |
||
| 259 | } |
||
| 260 | break;
|
||
| 261 | case KXmlParser.END_TAG:
|
||
| 262 | break;
|
||
| 263 | |||
| 264 | } |
||
| 265 | tag = kxmlParser.nextTag(); |
||
| 266 | } |
||
| 267 | //kxmlParser.require(KXmlParser.END_DOCUMENT, null, null);
|
||
| 268 | } |
||
| 269 | } |
||
| 270 | catch(XmlPullParserException parser_ex){
|
||
| 271 | System.out.println(parser_ex.getMessage());
|
||
| 272 | parser_ex.printStackTrace(); |
||
| 273 | } |
||
| 274 | catch (IOException ioe) { |
||
| 275 | ioe.printStackTrace(); |
||
| 276 | } |
||
| 277 | String message = errors.size()>0? "" : null; |
||
| 278 | for (int i = 0; i < errors.size(); i++) { |
||
| 279 | message += (String) errors.get(i)+"\n"; |
||
| 280 | } |
||
| 281 | return message;
|
||
| 282 | } |
||
| 283 | 27881 | jpiera | |
| 284 | /*
|
||
| 285 | * (non-Javadoc)
|
||
| 286 | * @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetFeatureInfoRequest(org.gvsig.remoteClient.wms.WMSStatus, int, int)
|
||
| 287 | */
|
||
| 288 | protected WMSGetFeatureInfoRequest createGetFeatureInfoRequest(
|
||
| 289 | WMSStatus status, int x, int y) { |
||
| 290 | return new WMSGetFeatureInfoRequest1_1_0(status, this, x, y); |
||
| 291 | } |
||
| 292 | |||
| 293 | /*
|
||
| 294 | * (non-Javadoc)
|
||
| 295 | * @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetMapRequest(org.gvsig.remoteClient.wms.WMSStatus)
|
||
| 296 | */
|
||
| 297 | protected WMSGetMapRequest createGetMapRequest(WMSStatus status) {
|
||
| 298 | return new WMSGetMapRequest1_1_0(status, this); |
||
| 299 | } |
||
| 300 | |||
| 301 | /*
|
||
| 302 | * (non-Javadoc)
|
||
| 303 | * @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetLegendGraphicRequest(org.gvsig.remoteClient.wms.WMSStatus, java.lang.String)
|
||
| 304 | */
|
||
| 305 | protected WMSGetLegendGraphicRequest createGetLegendGraphicRequest(
|
||
| 306 | WMSStatus status, String layerName) {
|
||
| 307 | return new WMSGetLegendGraphicRequest1_1_0(status, this, layerName); |
||
| 308 | } |
||
| 309 | 30324 | jpiera | |
| 310 | /* (non-Javadoc)
|
||
| 311 | * @see org.gvsig.remoteclient.wms.WMSProtocolHandler#createGetCapabilitiesRequest(org.gvsig.remoteclient.wms.WMSStatus)
|
||
| 312 | */
|
||
| 313 | protected WMSGetCapabilitiesRequest createGetCapabilitiesRequest(
|
||
| 314 | WMSStatus status) {
|
||
| 315 | return new WMSGetCapabilitiesRequest1_1_0(status, this); |
||
| 316 | } |
||
| 317 | 3687 | ldiaz | |
| 318 | } |