public static void addAutoStyleParameterFilter(
final LayerInfo layer, GeoServerTileLayerInfo layerInfo) {
StyleParameterFilter filter = new StyleParameterFilter();
filter.setLayer(layer);
layerInfo.removeParameterFilter("STYLES");
layerInfo.getParameterFilters().add(filter);
}
/**
* Set the styles which should be cached on a layer
*
* @param info
* @param defaultStyle
* @param cachedStyles
*/
public static void setCachedStyles(
GeoServerTileLayerInfo info, String defaultStyle, Set<String> cachedStyles) {
StyleParameterFilter filter = (StyleParameterFilter) info.getParameterFilter("STYLES");
if (filter == null) filter = new StyleParameterFilter();
filter.setDefaultValue(defaultStyle);
filter.setStyles(cachedStyles);
info.addParameterFilter(filter);
}
/**
* If the layer is configured for automatic style updates of its Style parameter filter, do so.
*
* @param layer The GeoServer layer group
* @param layerInfo The GeoWebCache layer
*/
public static void checkAutomaticStyles(
final LayerGroupInfo layer, GeoServerTileLayerInfo layerInfo) {
ParameterFilter filter = layerInfo.getParameterFilter("STYLES");
// Remove the filter as groups shouldn't have auto-updating styles
if (filter != null && filter instanceof StyleParameterFilter) {
layerInfo.removeParameterFilter("STYLES");
}
}
/**
* Add a {@link FloatParameterFilter} set accept anything, replacing any existing filter for the
* same parameter.
*
* @param tileLayerInfo layer to update the filter on
* @param paramKey key for the parameter
* @param createParam create a new filter if there is none to replace for the specified key
*/
public static void updateAcceptAllFloatParameterFilter(
final GeoServerTileLayerInfo tileLayerInfo, final String paramKey, boolean createParam) {
createParam |= tileLayerInfo.removeParameterFilter(paramKey);
if (createParam) {
FloatParameterFilter filter = new FloatParameterFilter();
filter.setKey(paramKey);
filter.setDefaultValue("");
tileLayerInfo.addParameterFilter(filter);
}
}
/**
* If the layer is configured for automatic style updates of its Style parameter filter, do so.
*
* @param layer The GeoServer layer
* @param layerInfo The GeoWebCache layer
*/
public static void checkAutomaticStyles(final LayerInfo layer, GeoServerTileLayerInfo layerInfo) {
ParameterFilter filter = layerInfo.getParameterFilter("STYLES");
// Update the filter with the latest available styles if it's a style filter
if (filter != null && filter instanceof StyleParameterFilter) {
((StyleParameterFilter) filter).setLayer(layer);
}
}
/**
* Add a {@link StringParameterFilter} to the layer, replacing any existing filter for the same
* parameter.
*
* @param tileLayerInfo layer to update the filter on
* @param paramKey key for the parameter
* @param createParam create a new filter if there is none to replace for the specified key
* @param defaultValue default value
* @param allowedValues legal values for the parameter
*/
public static void updateStringParameterFilter(
final GeoServerTileLayerInfo tileLayerInfo,
final String paramKey,
boolean createParam,
final String defaultValue,
final Set<String> allowedValues) {
createParam |= tileLayerInfo.removeParameterFilter(paramKey);
if (createParam && allowedValues != null && allowedValues.size() > 0) {
// make sure default value is among the list of allowed values
Set<String> values = new TreeSet<String>(allowedValues);
StringParameterFilter stringListFilter = new StringParameterFilter();
stringListFilter.setKey(paramKey);
stringListFilter.setDefaultValue(defaultValue == null ? "" : defaultValue);
values.addAll(stringListFilter.getValues());
stringListFilter.setValues(new ArrayList<String>(values));
tileLayerInfo.addParameterFilter(stringListFilter);
}
}
/**
* Remove a parameter filter from a layer
*
* @param tileLayerInfo the layer
* @param paramKey the key of the parameter filter
* @return true if a parameter matched and was removed, false otherwise
* @deprecated
*/
public static boolean removeParameterFilter(
final GeoServerTileLayerInfo tileLayerInfo, final String paramKey) {
return tileLayerInfo.removeParameterFilter(paramKey);
}