/*
* (non-Javadoc)
* @see es.gva.dgti.gvgeoportal.service.ogc.OGCInfoService
* #getCapabilitiesFromWMS(String, String, String, boolean)
*/
public WMSInfo getCapabilitiesFromWMS(
String urlServerWMS, TreeSet<String> listCrs, String format, boolean isCalledByWizard)
throws ServerGeoException {
WMSInfo wmsInfo = new WMSInfo();
// put url on object WMSInfo
wmsInfo.setServiceUrl(urlServerWMS);
// Create hashmap to add the layers getted to the WMSInfo object
Map<String, org.gvsig.framework.web.ogc.WMSLayer> layersMap =
new HashMap<String, org.gvsig.framework.web.ogc.WMSLayer>();
// Create conexion with server WMS
try {
WMSClient wms = new WMSClient(urlServerWMS);
wms.connect(null);
// set server information
WMSServiceInformation serviceInfo = wms.getServiceInformation();
wmsInfo.setServiceAbstract(serviceInfo.abstr);
wmsInfo.setServiceName(serviceInfo.name);
wmsInfo.setServiceTitle(serviceInfo.title);
// set id of the request wmsinfo (service name + calendar)
int hashCode = (serviceInfo.name + Calendar.getInstance()).hashCode();
wmsInfo.setId(hashCode);
// get and set version
String version = wms.getVersion();
wmsInfo.setVersion(version);
// get and set formats
Vector formatVector = wms.getFormats();
TreeSet<String> formatSet = new TreeSet<String>();
formatSet.addAll(formatVector);
wmsInfo.setFormatsSupported(formatSet);
if (StringUtils.isEmpty(format)) {
format = getFirstFormatSupported(formatSet);
wmsInfo.setFormatSelected(format);
}
// check format
if (isCalledByWizard || (!isCalledByWizard && formatVector.contains(format))) {
wmsInfo.setFormatSelected(format);
// get root layer
WMSLayer rootLayer = wms.getRootLayer();
// get crs (srs) (belong to layer)
Vector crsVector = rootLayer.getAllSrs();
// get and set all common crs supported
TreeSet<String> crsTreeSet = new TreeSet<String>();
crsTreeSet.addAll(crsVector);
wmsInfo.setCrsSupported(crsTreeSet);
// Create tree with layer values
List<TreeNode> tree = new ArrayList<TreeNode>();
// Create root node
ArrayList<WMSLayer> children = rootLayer.getChildren();
TreeNode rootNode = new TreeNode("rootLayer_" + rootLayer.getName());
rootNode.setTitle(rootLayer.getTitle());
if (children.isEmpty()) {
rootNode.setFolder(false);
} else {
rootNode.setFolder(true);
rootNode.setExpanded(true);
generateWMSChildrenNodes(children, tree, listCrs, rootNode, layersMap, wmsInfo);
}
// Set childrenLayers paramrootLayer.getChildren()
wmsInfo.setChildrenCount(children.size());
// Only register the tree if it has a layer with crs defined
if (rootNode.hasChildren()) {
tree.add(rootNode);
wmsInfo.setLayersTree(tree);
}
TreeSet<String> selCrs = new TreeSet<String>();
if (listCrs.isEmpty()) {
selCrs.addAll(wmsInfo.getCrsSupported());
} else {
selCrs.addAll(CollectionUtils.intersection(listCrs, wmsInfo.getCrsSupported()));
}
wmsInfo.setCrsSelected(selCrs);
// Add map that contains info of all layers
wmsInfo.setLayers(layersMap);
}
} catch (Exception exc) {
// Show exception in log and create ServerGeoException which is
// captured on controller and puts message to ajax response
logger.error("Exception on getCapabilitiesFromWMS", exc);
throw new ServerGeoException();
}
return wmsInfo;
}
