Mercurial > dive4elements > river

comparison gwt-client/src/main/java/org/dive4elements/river/client/server/CapabilitiesParser.java @ 6198:809c91beee54

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
CapabilitesParser can parse map format types now (#554).
author Christian Lins <christian.lins@intevation.de>
date Wed, 05 Jun 2013 12:56:24 +0200
parents ea9eef426962
children 734ba3732bb6
comparison
equal deleted inserted replaced
6197:cefad5546373 6198:809c91beee54
6 * documentation coming with Dive4Elements River for details. 6 * documentation coming with Dive4Elements River for details.
7 */ 7 */
8 8
9 package org.dive4elements.river.client.server; 9 package org.dive4elements.river.client.server;
10 10
11 import org.dive4elements.artifacts.common.utils.XMLUtils;
12 import org.dive4elements.river.client.shared.exceptions.ServerException;
13 import org.dive4elements.river.client.shared.model.Capabilities;
14 import org.dive4elements.river.client.shared.model.ContactInformation;
15 import org.dive4elements.river.client.shared.model.WMSLayer;
16
17 import java.io.IOException;
11 import java.io.InputStream; 18 import java.io.InputStream;
12 import java.io.IOException;
13 import java.net.MalformedURLException; 19 import java.net.MalformedURLException;
14 import java.net.URL; 20 import java.net.URL;
15 import java.net.URLConnection; 21 import java.net.URLConnection;
16 import java.util.ArrayList; 22 import java.util.ArrayList;
17 import java.util.List; 23 import java.util.List;
18 import java.util.regex.Matcher; 24 import java.util.regex.Matcher;
19 import java.util.regex.Pattern; 25 import java.util.regex.Pattern;
20 26
21 import javax.xml.xpath.XPathConstants; 27 import javax.xml.xpath.XPathConstants;
22 28
29 import org.apache.log4j.Logger;
23 import org.w3c.dom.Document; 30 import org.w3c.dom.Document;
24 import org.w3c.dom.Element; 31 import org.w3c.dom.Element;
25 import org.w3c.dom.Node; 32 import org.w3c.dom.Node;
26 import org.w3c.dom.NodeList; 33 import org.w3c.dom.NodeList;
27 34
28 import org.apache.log4j.Logger; 35 /**
29 36 * Parser for GetCapabilities of a WMS.
30 import org.dive4elements.artifacts.common.utils.XMLUtils; 37 */
31
32 import org.dive4elements.river.client.shared.exceptions.ServerException;
33 import org.dive4elements.river.client.shared.model.Capabilities;
34 import org.dive4elements.river.client.shared.model.ContactInformation;
35 import org.dive4elements.river.client.shared.model.WMSLayer;
36
37
38 public class CapabilitiesParser { 38 public class CapabilitiesParser {
39 39
40 private static final Logger logger = 40 private static final Logger logger =
41 Logger.getLogger(CapabilitiesParser.class); 41 Logger.getLogger(CapabilitiesParser.class);
42 42
94 "Service/AccessConstraints/text()"; 94 "Service/AccessConstraints/text()";
95 95
96 public static final String XPATH_LAYERS = 96 public static final String XPATH_LAYERS =
97 "Capability/Layer"; 97 "Capability/Layer";
98 98
99 public static final String XPATH_MAP_FORMAT =
100 "Capability/Request/GetMap/Format";
101
99 public static final Pattern SRS_PATTERN = Pattern.compile("(EPSG:\\d+)*"); 102 public static final Pattern SRS_PATTERN = Pattern.compile("(EPSG:\\d+)*");
100 103
101 104
102 private CapabilitiesParser() { 105 private CapabilitiesParser() {
103 } 106 }
108 111
109 String log4jProperties = System.getenv(BaseServletContextListener.LOG4J_PROPERTIES); 112 String log4jProperties = System.getenv(BaseServletContextListener.LOG4J_PROPERTIES);
110 LoggingConfigurator.init(log4jProperties); 113 LoggingConfigurator.init(log4jProperties);
111 114
112 try { 115 try {
113 Capabilities caps = getCapabilities(System.getProperty("test.wms")); 116 String wmsURL = System.getProperty("test.wms");
117 if (wmsURL == null || args.length > 0) {
118 wmsURL = args[0];
119 }
120 Capabilities caps = getCapabilities(wmsURL);
114 121
115 logger.debug(caps.toString()); 122 logger.debug(caps.toString());
123 System.out.println(caps.toString());
116 } 124 }
117 catch (ServerException se) { 125 catch (ServerException se) {
118 se.printStackTrace(); 126 se.printStackTrace();
119 } 127 }
120 128
203 capabilities, 211 capabilities,
204 XPATH_LAYERS, 212 XPATH_LAYERS,
205 XPathConstants.NODESET); 213 XPathConstants.NODESET);
206 214
207 List<WMSLayer> layers = parseLayers(layerNodes, onlineResource); 215 List<WMSLayer> layers = parseLayers(layerNodes, onlineResource);
216
217 // Parse MIME types of supported return types, e.g. image/jpeg
218 NodeList mapFormatNodes = (NodeList)
219 XMLUtils.xpath(capabilities, XPATH_MAP_FORMAT, XPathConstants.NODESET);
220 List<String> mapFormats = new ArrayList<String>();
221 for (int n = 0; n < mapFormatNodes.getLength(); n++) {
222 mapFormats.add(mapFormatNodes.item(n).getTextContent());
223 }
208 224
209 return new Capabilities( 225 return new Capabilities(
210 title, 226 title,
211 onlineResource, 227 onlineResource,
212 ci, 228 ci,
213 fees, 229 fees,
214 accessConstraints, 230 accessConstraints,
215 layers); 231 layers,
232 mapFormats);
216 } 233 }
217 234
218 235
219 protected static Node getCapabilitiesNode(Document doc) 236 protected static Node getCapabilitiesNode(Document doc)
220 throws ServerException { 237 throws ServerException {
http://dive4elements.wald.intevation.org