svn-gvsig-desktop / trunk / libraries / libRemoteServices / src / org / gvsig / remoteClient / wms / wms_1_1_1 / WMSProtocolHandler1_1_1.java @ 3404
History | View | Annotate | Download (7.42 KB)
| 1 |
|
|---|---|
| 2 |
package org.gvsig.remoteClient.wms.wms_1_1_1; |
| 3 |
|
| 4 |
import java.io.File; |
| 5 |
import java.io.FileNotFoundException; |
| 6 |
import java.io.FileReader; |
| 7 |
import java.io.IOException; |
| 8 |
import java.util.TreeMap; |
| 9 |
import java.util.Vector; |
| 10 |
|
| 11 |
import org.gvsig.remoteClient.utils.CapabilitiesTags; |
| 12 |
import org.kxml2.io.KXmlParser; |
| 13 |
import org.xmlpull.v1.XmlPullParserException; |
| 14 |
|
| 15 |
/**
|
| 16 |
* <p>
|
| 17 |
* Describes the handler to comunicate to a WMS 1.1.1
|
| 18 |
* </p>
|
| 19 |
*/
|
| 20 |
public class WMSProtocolHandler1_1_1 extends org.gvsig.remoteClient.wms.WMSProtocolHandler { |
| 21 |
|
| 22 |
public WMSProtocolHandler1_1_1()
|
| 23 |
{
|
| 24 |
this.version = "1.1.1"; |
| 25 |
this.name = "WMS1.1.1"; |
| 26 |
this.serviceInfo = new ServiceInformation(); |
| 27 |
this.layers = new TreeMap(); |
| 28 |
this.srs = new Vector(); |
| 29 |
} |
| 30 |
|
| 31 |
//------------------------------------------------------------------------------
|
| 32 |
// Parsing methods....
|
| 33 |
//------------------------------------------------------------------------------
|
| 34 |
/**
|
| 35 |
* <p>Parse the xml data retrieved from the WMS, it will parse the WMS Capabilities</p>
|
| 36 |
*
|
| 37 |
*/
|
| 38 |
public void parse(File f) |
| 39 |
{
|
| 40 |
FileReader reader = null; |
| 41 |
try
|
| 42 |
{
|
| 43 |
reader = new FileReader(f); |
| 44 |
} |
| 45 |
catch(FileNotFoundException ex) { |
| 46 |
ex.printStackTrace(); |
| 47 |
} |
| 48 |
|
| 49 |
int tag;
|
| 50 |
KXmlParser kxmlParser = null;
|
| 51 |
kxmlParser = new KXmlParser();
|
| 52 |
try
|
| 53 |
{
|
| 54 |
kxmlParser.setInput(reader); |
| 55 |
kxmlParser.nextTag(); |
| 56 |
if ( kxmlParser.getEventType() != KXmlParser.END_DOCUMENT )
|
| 57 |
{
|
| 58 |
kxmlParser.require(KXmlParser.START_TAG, null, CapabilitiesTags.CAPABILITIES_ROOT);
|
| 59 |
tag = kxmlParser.nextTag(); |
| 60 |
while(tag != KXmlParser.END_DOCUMENT)
|
| 61 |
{
|
| 62 |
switch(tag)
|
| 63 |
{
|
| 64 |
case KXmlParser.START_TAG:
|
| 65 |
if (kxmlParser.getName().compareTo(CapabilitiesTags.SERVICE )==0) |
| 66 |
{
|
| 67 |
parseServiceTag(kxmlParser); |
| 68 |
} |
| 69 |
else if (kxmlParser.getName().compareTo(CapabilitiesTags.CAPABILITY)==0) |
| 70 |
{
|
| 71 |
parseCapabilityTag(kxmlParser); |
| 72 |
} |
| 73 |
break;
|
| 74 |
case KXmlParser.END_TAG:
|
| 75 |
break;
|
| 76 |
case KXmlParser.TEXT:
|
| 77 |
System.out.println("[TEXT]["+kxmlParser.getText()+"]"); |
| 78 |
break;
|
| 79 |
} |
| 80 |
tag = kxmlParser.next(); |
| 81 |
} |
| 82 |
// while (kxmlParser.nextTag() != KXmlParser.END_DOCUMENT) {
|
| 83 |
// //readXMLData(kxmlParser);
|
| 84 |
// }
|
| 85 |
//kxmlParser.require(KXmlParser.END_TAG, null, CapabilitiesTags.CAPABILITIES_ROOT);
|
| 86 |
//kxmlParser.next();
|
| 87 |
kxmlParser.require(KXmlParser.END_DOCUMENT, null, null); |
| 88 |
} |
| 89 |
} |
| 90 |
catch(XmlPullParserException parser_ex){
|
| 91 |
System.out.println(parser_ex.getMessage());
|
| 92 |
parser_ex.printStackTrace(); |
| 93 |
// TODO: Implement logic to handle the exceptions
|
| 94 |
} |
| 95 |
catch (IOException ioe) { |
| 96 |
ioe.printStackTrace(); |
| 97 |
// TODO: Implement logic to handle the exceptions
|
| 98 |
} |
| 99 |
// In the parsing process the layer has been filled
|
| 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 |
else if ((parser.getName().compareTo(CapabilitiesTags.KEYWORDLIST)==0) || |
| 131 |
(parser.getName().compareTo(CapabilitiesTags.CONTACTINFORMATION)==0))
|
| 132 |
{
|
| 133 |
parser.skipSubTree(); |
| 134 |
} |
| 135 |
break;
|
| 136 |
case KXmlParser.END_TAG:
|
| 137 |
if (parser.getName().compareTo(CapabilitiesTags.SERVICE) == 0) |
| 138 |
end = true;
|
| 139 |
break;
|
| 140 |
case KXmlParser.TEXT:
|
| 141 |
break;
|
| 142 |
} |
| 143 |
currentTag = parser.next(); |
| 144 |
} |
| 145 |
// parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.SERVICE);
|
| 146 |
} |
| 147 |
/**
|
| 148 |
* <p>Parses the Capability Tag </p>
|
| 149 |
*/
|
| 150 |
private void parseCapabilityTag(KXmlParser parser) throws IOException, XmlPullParserException |
| 151 |
{
|
| 152 |
int i;
|
| 153 |
int currentTag;
|
| 154 |
boolean end = false; |
| 155 |
|
| 156 |
parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.CAPABILITY);
|
| 157 |
currentTag = parser.next(); |
| 158 |
|
| 159 |
while (!end)
|
| 160 |
{
|
| 161 |
switch(currentTag)
|
| 162 |
{
|
| 163 |
case KXmlParser.START_TAG:
|
| 164 |
if (parser.getName().compareTo(CapabilitiesTags.REQUEST)==0) |
| 165 |
{
|
| 166 |
parseRequestTag(parser); |
| 167 |
} |
| 168 |
else if (parser.getName().compareTo(CapabilitiesTags.EXCEPTION)==0) |
| 169 |
{
|
| 170 |
//Parse exception tags...
|
| 171 |
} |
| 172 |
else if (parser.getName().compareTo(CapabilitiesTags.LAYER)==0) |
| 173 |
{
|
| 174 |
WMSLayer1_1_1 lyr = new WMSLayer1_1_1();
|
| 175 |
lyr.parse(parser); |
| 176 |
if((lyr != null) && (lyr.getName() != null)) |
| 177 |
{
|
| 178 |
layers.put(lyr.getName(), lyr); |
| 179 |
//Add all the SRS that the layer supports to the WMSProtocolHandler if they dont exist already
|
| 180 |
for (i=0;i<lyr.getAllSrs().size();i++) |
| 181 |
{
|
| 182 |
if (!this.srs.contains(lyr.getAllSrs().elementAt(i))) |
| 183 |
{
|
| 184 |
this.srs.add( lyr.getAllSrs().elementAt(i));
|
| 185 |
} |
| 186 |
} |
| 187 |
} |
| 188 |
//else
|
| 189 |
//TODO: a layer without title is a parent layer.... not queryable
|
| 190 |
} |
| 191 |
else if ((parser.getName().compareTo(CapabilitiesTags.VENDORSPECIFICCAPABILITIES)==0) || |
| 192 |
(parser.getName().compareTo(CapabilitiesTags.USERDEFINEDSYMBOLIZATION )==0))
|
| 193 |
{
|
| 194 |
parser.skipSubTree(); |
| 195 |
} |
| 196 |
break;
|
| 197 |
case KXmlParser.END_TAG:
|
| 198 |
if (parser.getName().compareTo(CapabilitiesTags.CAPABILITY) == 0) |
| 199 |
end = true;
|
| 200 |
break;
|
| 201 |
case KXmlParser.TEXT:
|
| 202 |
break;
|
| 203 |
} |
| 204 |
currentTag = parser.next(); |
| 205 |
} |
| 206 |
//parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.CAPABILITY);
|
| 207 |
} |
| 208 |
|
| 209 |
/**
|
| 210 |
* <p>Parses the Request tag </p>
|
| 211 |
*/
|
| 212 |
private void parseRequestTag(KXmlParser parser) throws IOException, XmlPullParserException |
| 213 |
{
|
| 214 |
int currentTag;
|
| 215 |
boolean end = false; |
| 216 |
|
| 217 |
parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.REQUEST);
|
| 218 |
currentTag = parser.next(); |
| 219 |
|
| 220 |
while (!end)
|
| 221 |
{
|
| 222 |
switch(currentTag)
|
| 223 |
{
|
| 224 |
case KXmlParser.START_TAG:
|
| 225 |
if (parser.getName().compareTo(CapabilitiesTags.GETCAPABILITIES)==0) |
| 226 |
{
|
| 227 |
} |
| 228 |
else if (parser.getName().compareTo(CapabilitiesTags.GETMAP)==0) |
| 229 |
{
|
| 230 |
currentTag = parser.nextTag(); |
| 231 |
parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.FORMAT);
|
| 232 |
while ((currentTag == KXmlParser.START_TAG) &&
|
| 233 |
(parser.getName().compareTo(CapabilitiesTags.FORMAT)==0))
|
| 234 |
{
|
| 235 |
parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.FORMAT);
|
| 236 |
serviceInfo.formats.add(parser.nextText()); |
| 237 |
parser.nextTag(); |
| 238 |
} |
| 239 |
} |
| 240 |
else if (parser.getName().compareTo(CapabilitiesTags.GETFEATUREINFO)==0) |
| 241 |
{
|
| 242 |
} |
| 243 |
break;
|
| 244 |
case KXmlParser.END_TAG:
|
| 245 |
if (parser.getName().compareTo(CapabilitiesTags.REQUEST) == 0) |
| 246 |
end = true;
|
| 247 |
break;
|
| 248 |
case KXmlParser.TEXT:
|
| 249 |
break;
|
| 250 |
} |
| 251 |
currentTag = parser.next(); |
| 252 |
} |
| 253 |
// TODO: does not get such a tag when arrives here!!!!!!
|
| 254 |
//parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.REQUEST);
|
| 255 |
} |
| 256 |
|
| 257 |
} |