/**
* Recursive function to parse a layer tree
*
* @param lt
* @param parentLayer
*/
private void parseJaxbLayer(LayerType lt, ILayer parentLayer) throws LayerException {
// Test if lt is a group
if (!lt.getLayer().isEmpty() || (lt.getDataURL() == null)) {
// it will create a LayerCollection
parseJaxbLayerCollection(lt, parentLayer);
} else {
// it corresponding to a leaf layer
// We need to read the data declaration and create the layer
URLType dataUrl = lt.getDataURL();
if (dataUrl != null) {
OnlineResourceType resType = dataUrl.getOnlineResource();
try {
URI layerURI = new URI(resType.getHref());
// The resource is given as relative to MapContext location
if (!layerURI.isAbsolute() && getLocation() != null) {
try {
// Resolve the relative resource ex: new Uri("myFile.shp")
layerURI = getLocation().resolve(layerURI);
} catch (IllegalArgumentException ex) {
LOGGER.warn(
"Error while trying to find an absolute path for an external resource", ex);
}
}
// Get table name
ILayer leafLayer = createLayer(layerURI);
leafLayer.setDescription(new Description(lt));
leafLayer.setVisible(!lt.isHidden());
// Parse styles
if (lt.isSetStyleList()) {
for (StyleType st : lt.getStyleList().getStyle()) {
if (st.isSetSLD()) {
if (st.getSLD().isSetAbstractStyle()) {
leafLayer.addStyle(
new Style(
(JAXBElement<net.opengis.se._2_0.core.StyleType>)
st.getSLD().getAbstractStyle(),
leafLayer));
}
}
}
}
parentLayer.addLayer(leafLayer);
} catch (URISyntaxException ex) {
throw new LayerException(
I18N.tr("Unable to parse the href URI {0}.", resType.getHref()), ex);
} catch (InvalidStyle ex) {
throw new LayerException(
I18N.tr("Unable to load the description of the layer {0}", lt.getTitle().toString()),
ex);
}
}
}
}
private static LayerType createJAXBFromLayer(ILayer layer, MapContext mapContext) {
ObjectFactory ows_context_factory = new ObjectFactory();
LayerType layerType = ows_context_factory.createLayerType();
Description description = layer.getDescription();
description.initJAXBType(layerType);
layerType.setHidden(!layer.isVisible());
ILayer[] childrens = layer.getChildren();
for (ILayer child : childrens) {
if (child.isSerializable()) {
layerType.getLayer().add(createJAXBFromLayer(child, mapContext));
}
}
// If not a Layer Collection
if (!(layer instanceof LayerCollection) && layer.getStyles() != null) {
StyleListType slt = ows_context_factory.createStyleListType();
layerType.setStyleList(slt);
for (Style style : layer.getStyles()) {
StyleType st = ows_context_factory.createStyleType();
slt.getStyle().add(st);
SLDType sltType = ows_context_factory.createSLDType();
st.setSLD(sltType);
sltType.setAbstractStyle(style.getJAXBElement());
}
}
// Serialisation of dataSource as a DataUrl string
// Create jaxb instances
URLType dataURL = ows_context_factory.createURLType();
if (!(layer instanceof LayerCollection)) {
OnlineResourceType resource = ows_context_factory.createOnlineResourceType();
dataURL.setOnlineResource(resource);
String resourceSerialisation = "";
URI srcUri = layer.getDataUri();
if (srcUri != null) {
// If file, use MapContext relative path
if (srcUri.getScheme().equalsIgnoreCase("file") && mapContext.getLocation() != null) {
srcUri = URIUtility.relativize(mapContext.getLocation(), srcUri);
}
resourceSerialisation = srcUri.toString();
}
resource.setHref(resourceSerialisation);
if (resource.isSetHref()) {
layerType.setDataURL(dataURL);
}
}
return layerType;
}