void setupExtras(org.geoserver.data.test.SystemTestData testData, Catalog catalog)
throws IOException {
// associate Lakes to Buildings as an extra style
LayerInfo buildings = catalog.getLayerByName(getLayerId(BUILDINGS));
buildings.getStyles().add(catalog.getStyleByName(LAKES.getLocalPart()));
catalog.save(buildings);
// add a layer group
CatalogFactory factory = catalog.getFactory();
LayerGroupInfo globalGroup = factory.createLayerGroup();
globalGroup.setName(LAKES_GROUP);
globalGroup.getLayers().add(catalog.getLayerByName(getLayerId(LAKES)));
globalGroup.getLayers().add(catalog.getLayerByName(getLayerId(FORESTS)));
globalGroup.getLayers().add(catalog.getLayerByName(getLayerId(BRIDGES)));
catalog.add(globalGroup);
// add a layer group containing a layer group
LayerGroupInfo nestGroup = factory.createLayerGroup();
nestGroup.setName(NEST_GROUP);
nestGroup.getLayers().add(catalog.getLayerByName(getLayerId(LAKES)));
nestGroup.getLayers().add(globalGroup);
catalog.add(nestGroup);
// add a workspace specific style
WorkspaceInfo ws = catalog.getWorkspaceByName(CITE_PREFIX);
testData.addStyle(ws, WS_STYLE, "Streams.sld", SystemTestData.class, catalog);
};
/** @return the list of the alternate style names registered for this layer */
public List<String> getOtherStyleNames() {
if (layerInfo == null) {
return Collections.emptyList();
}
final List<String> styleNames = new ArrayList<String>();
for (StyleInfo si : layerInfo.getStyles()) {
styleNames.add(si.getName());
}
return styleNames;
}
public void validate(LayerInfo lyr, boolean isNew) {
if (lyr.isEnabled() == false) {
// short-circuit - for disabled layers we don't need to validate
// anything because it won't cause service exceptions for anyone
return;
}
if (lyr.getResource() == null
|| (hasGeometry(lyr)
&& (lyr.getResource().getSRS() == null
|| lyr.getResource().getLatLonBoundingBox() == null)))
throw new RuntimeException("Layer's resource is not fully configured");
// Resource-dependent checks
if (lyr.getType() == PublishedType.RASTER) {
if (!(lyr.getResource() instanceof CoverageInfo))
throw new RuntimeException("Layer with type RASTER doesn't have a coverage associated");
CoverageInfo cvinfo = (CoverageInfo) lyr.getResource();
try {
cvinfo
.getCatalog()
.getResourcePool()
.getGridCoverageReader(cvinfo, GeoTools.getDefaultHints());
} catch (Throwable t) {
throw new RuntimeException("Couldn't connect to raster layer's resource");
}
} else if (lyr.getType() == PublishedType.VECTOR) {
if (!(lyr.getResource() instanceof FeatureTypeInfo))
throw new RuntimeException("Layer with type VECTOR doesn't have a featuretype associated");
FeatureTypeInfo ftinfo = (FeatureTypeInfo) lyr.getResource();
} else throw new RuntimeException("Layer is neither RASTER nor VECTOR type");
// Style-dependent checks
if (hasGeometry(lyr) && (lyr.getDefaultStyle() == null || lyr.getStyles().contains(null)))
throw new RuntimeException("Layer has null styles!");
}
/**
* Calls super.handleFeatureType to add common FeatureType content such as Name, Title and
* LatLonBoundingBox, and then writes WMS specific layer properties as Styles, Scale Hint, etc.
*
* @throws IOException
* @task TODO: write wms specific elements.
*/
@SuppressWarnings("deprecation")
protected void handleLayer(final LayerInfo layer) {
// HACK: by now all our layers are queryable, since they reference
// only featuretypes managed by this server
AttributesImpl qatts = new AttributesImpl();
boolean queryable = wmsConfig.isQueryable(layer);
qatts.addAttribute("", "queryable", "queryable", "", queryable ? "1" : "0");
start("Layer", qatts);
element("Name", layer.getResource().getNamespace().getPrefix() + ":" + layer.getName());
// REVISIT: this is bad, layer should have title and anbstract by itself
element("Title", layer.getResource().getTitle());
element("Abstract", layer.getResource().getAbstract());
handleKeywordList(layer.getResource().getKeywords());
/**
* @task REVISIT: should getSRS() return the full URL? no - the spec says it should be a set
* of <SRS>EPSG:#</SRS>...
*/
final String srs = layer.getResource().getSRS();
element("SRS", srs);
// DJB: I want to be nice to the people reading the capabilities
// file - I'm going to get the
// human readable name and stick it in the capabilities file
// NOTE: this isnt well done because "comment()" isnt in the
// ContentHandler interface...
try {
CoordinateReferenceSystem crs = layer.getResource().getCRS();
String desc = "WKT definition of this CRS:\n" + crs;
comment(desc);
} catch (Exception e) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING, e.getLocalizedMessage(), e);
}
}
Envelope bbox;
try {
bbox = layer.getResource().boundingBox();
} catch (Exception e) {
throw new RuntimeException(
"Unexpected error obtaining bounding box for layer " + layer.getName(), e);
}
Envelope llbbox = layer.getResource().getLatLonBoundingBox();
handleLatLonBBox(llbbox);
// the native bbox might be null
if (bbox != null) {
handleBBox(bbox, srs);
}
// handle dimensions
String timeMetadata = null;
String elevationMetadata = null;
if (layer.getType() == Type.VECTOR) {
dimensionHelper.handleVectorLayerDimensions(layer);
} else if (layer.getType() == Type.RASTER) {
dimensionHelper.handleRasterLayerDimensions(layer);
}
// handle data attribution
handleAttribution(layer);
// handle metadata URLs
handleMetadataList(layer.getResource().getMetadataLinks());
if (layer.getResource() instanceof WMSLayerInfo) {
// do nothing for the moment, we may want to list the set of cascaded named styles
// in the future (when we add support for that)
} else {
// add the layer style
start("Style");
StyleInfo defaultStyle = layer.getDefaultStyle();
if (defaultStyle == null) {
throw new NullPointerException("Layer " + layer.getName() + " has no default style");
}
Style ftStyle;
try {
ftStyle = defaultStyle.getStyle();
} catch (IOException e) {
throw new RuntimeException(e);
}
element("Name", defaultStyle.getName());
element("Title", ftStyle.getTitle());
element("Abstract", ftStyle.getAbstract());
handleLegendURL(layer.getName(), layer.getLegend(), null);
end("Style");
Set<StyleInfo> styles = layer.getStyles();
for (StyleInfo styleInfo : styles) {
try {
ftStyle = styleInfo.getStyle();
} catch (IOException e) {
throw new RuntimeException(e);
}
start("Style");
element("Name", styleInfo.getName());
element("Title", ftStyle.getTitle());
element("Abstract", ftStyle.getAbstract());
handleLegendURL(layer.getName(), null, styleInfo);
end("Style");
}
}
end("Layer");
}
/**
* Handles changes of interest to GWC on a {@link LayerInfo}.
*
* <ul>
* <li>If the name of the default style changed, then the layer's cache for the default style is
* truncated. This method doesn't check if the contents of the styles are equal. That is
* handled by {@link CatalogStyleChangeListener} whenever a style is modified.
* <li>If the tile layer is {@link GeoServerTileLayerInfo#isAutoCacheStyles() auto caching
* styles} and the layerinfo's "styles" list changed, the tile layer's STYLE parameter
* filter is updated to match the actual list of layer styles and any removed style is
* truncated.
* </ul>
*
* @param changedProperties
* @param oldValues
* @param newValues
* @param li
* @param tileLayerInfo
*/
private void handleLayerInfoChange(
final List<String> changedProperties,
final List<Object> oldValues,
final List<Object> newValues,
final LayerInfo li,
final GeoServerTileLayerInfo tileLayerInfo) {
checkNotNull(tileLayerInfo);
final String layerName = tileLayerName(li);
boolean save = false;
final String defaultStyle;
/*
* If default style name changed
*/
if (changedProperties.contains("defaultStyle")) {
final int propIndex = changedProperties.indexOf("defaultStyle");
final StyleInfo oldStyle = (StyleInfo) oldValues.get(propIndex);
final StyleInfo newStyle = (StyleInfo) newValues.get(propIndex);
final String oldStyleName = oldStyle.getName();
defaultStyle = newStyle.getName();
if (!Objects.equal(oldStyleName, defaultStyle)) {
save = true;
log.info(
"Truncating default style for layer "
+ layerName
+ ", as it changed from "
+ oldStyleName
+ " to "
+ defaultStyle);
mediator.truncateByLayerAndStyle(layerName, oldStyleName);
}
} else {
StyleInfo styleInfo = li.getDefaultStyle();
defaultStyle = styleInfo == null ? null : styleInfo.getName();
}
if (tileLayerInfo.isAutoCacheStyles()) {
Set<String> styles = new HashSet<String>();
for (StyleInfo s : li.getStyles()) {
styles.add(s.getName());
}
ImmutableSet<String> cachedStyles = tileLayerInfo.cachedStyles();
if (!styles.equals(cachedStyles)) {
// truncate no longer existing cached styles
Set<String> notCachedAnyMore = Sets.difference(cachedStyles, styles);
for (String oldCachedStyle : notCachedAnyMore) {
log.info(
"Truncating cached style "
+ oldCachedStyle
+ " of layer "
+ layerName
+ " as it's no longer one of the layer's styles");
mediator.truncateByLayerAndStyle(layerName, oldCachedStyle);
}
// reset STYLES parameter filter
final boolean createParamIfNotExists = true;
TileLayerInfoUtil.updateStringParameterFilter(
tileLayerInfo, "STYLES", createParamIfNotExists, defaultStyle, styles);
save = true;
}
}
if (save) {
GridSetBroker gridSetBroker = mediator.getGridSetBroker();
GeoServerTileLayer tileLayer = new GeoServerTileLayer(li, gridSetBroker, tileLayerInfo);
mediator.save(tileLayer);
}
}
/**
* Adds a vector layer to the catalog setup.
*
* <p>The layer is created within a store named <code>qName.getPrefix()</code>, creating it if it
* does not exist. The resulting store is a {@link PropertyDataStore} that points at the directory
* <code>getDataDirectoryRoot()/qName.getPrefix()</code>. Similarily the layer and store are
* created within a workspace named <code>qName.getPrefix()</code>, which is created if it does
* not already exist.
*
* <p>The properties data for the layer is copied from the classpath, with a file name of "<code>
* filename</code>.properties". The <tt>scope</tt> parameter is used as the class from which to
* load the properties file relative to.
*
* <p>The <tt>props</tt> parameter is used to define custom properties for the layer. See the
* {@link LayerProperty} class for supported properties.
*/
public void addVectorLayer(
QName qName, Map<LayerProperty, Object> props, String filename, Class scope, Catalog catalog)
throws IOException {
String prefix = qName.getPrefix();
String name = qName.getLocalPart();
String uri = qName.getNamespaceURI();
// configure workspace if it doesn;t already exist
if (catalog.getWorkspaceByName(prefix) == null) {
addWorkspace(prefix, uri, catalog);
}
// configure store if it doesn't already exist
File storeDir = catalog.getResourceLoader().findOrCreateDirectory(prefix);
DataStoreInfo store = catalog.getDataStoreByName(prefix);
if (store == null) {
store = catalog.getFactory().createDataStore();
store.setName(prefix);
store.setWorkspace(catalog.getWorkspaceByName(prefix));
store.setEnabled(true);
store.getConnectionParameters().put(PropertyDataStoreFactory.DIRECTORY.key, storeDir);
store.getConnectionParameters().put(PropertyDataStoreFactory.NAMESPACE.key, uri);
catalog.add(store);
}
// copy the properties file over
catalog.getResourceLoader().copyFromClassPath(filename, new File(storeDir, filename), scope);
// configure feature type
FeatureTypeInfo featureType = catalog.getFactory().createFeatureType();
featureType.setStore(store);
featureType.setNamespace(catalog.getNamespaceByPrefix(prefix));
featureType.setName(LayerProperty.NAME.get(props, name));
featureType.setNativeName(FilenameUtils.getBaseName(filename));
featureType.setTitle(name);
featureType.setAbstract("abstract about " + name);
Integer srs = LayerProperty.SRS.get(props, SRS.get(qName));
if (srs == null) {
srs = 4326;
}
featureType.setSRS("EPSG:" + srs);
try {
featureType.setNativeCRS(CRS.decode("EPSG:" + srs));
} catch (Exception e) {
LOGGER.warning("Failed to decode EPSG:" + srs + ", setting the native SRS to null");
}
featureType.setNumDecimals(8);
featureType.getKeywords().add(new Keyword(name));
featureType.setEnabled(true);
featureType.setProjectionPolicy(
LayerProperty.PROJECTION_POLICY.get(props, ProjectionPolicy.NONE));
featureType.setLatLonBoundingBox(
LayerProperty.LATLON_ENVELOPE.get(props, DEFAULT_LATLON_ENVELOPE));
featureType.setNativeBoundingBox(LayerProperty.ENVELOPE.get(props, null));
FeatureTypeInfo ft = catalog.getFeatureTypeByDataStore(store, name);
LayerInfo layer = catalog.getLayerByName(new NameImpl(prefix, name));
if (ft == null) {
ft = featureType;
catalog.add(featureType);
} else {
if (layer == null) {
// handles the case of layer removed, but feature type not
catalog.remove(ft);
ft = featureType;
catalog.add(featureType);
} else {
new CatalogBuilder(catalog).updateFeatureType(ft, featureType);
catalog.save(ft);
}
}
if (layer == null
|| !layer.getResource().getNamespace().equals(catalog.getNamespaceByPrefix(prefix))) {
layer = catalog.getFactory().createLayer();
}
layer.setResource(ft);
StyleInfo defaultStyle = null;
if (LayerProperty.STYLE.get(props, null) != null) {
defaultStyle = catalog.getStyleByName(LayerProperty.STYLE.get(props, null));
} else {
// look for a style matching the layer name
defaultStyle = catalog.getStyleByName(name);
if (defaultStyle == null) {
// see if the resource exists and we just need to create it
if (getClass().getResource(name + ".sld") != null) {
addStyle(name, catalog);
defaultStyle = catalog.getStyleByName(name);
}
}
}
if (defaultStyle == null) {
defaultStyle = catalog.getStyleByName(DEFAULT_VECTOR_STYLE);
}
layer.getStyles().clear();
layer.setDefaultStyle(defaultStyle);
layer.setType(LayerInfo.Type.VECTOR);
layer.setEnabled(true);
if (layer.getId() == null) {
catalog.add(layer);
} else {
catalog.save(layer);
}
}
