public MockCatalogBuilder layerGroup(
String name, List<String> layerNames, List<String> styleNames) {
final LayerGroupInfo lg = createMock(LayerGroupInfo.class);
layerGroups.add(lg);
expect(lg.getId()).andReturn(newId()).anyTimes();
expect(lg.getName()).andReturn(name).anyTimes();
List<PublishedInfo> grpLayers = new ArrayList<PublishedInfo>();
List<StyleInfo> grpStyles = new ArrayList<StyleInfo>();
for (int i = 0; i < layerNames.size(); i++) {
String layerName = layerNames.get(i);
LayerInfo l = null;
for (LayerInfo layer : layers) {
if (layerName.equals(layer.getName())) {
l = layer;
break;
}
}
if (l == null) {
throw new RuntimeException("No such layer: " + layerName);
}
grpLayers.add(l);
StyleInfo s = null;
if (styleNames != null) {
String styleName = styleNames.get(i);
for (StyleInfo style : styles) {
if (styleName.equals(style.getName())) {
s = style;
break;
}
}
}
grpStyles.add(s);
}
expect(lg.getLayers()).andReturn(grpLayers).anyTimes();
expect(lg.getStyles()).andReturn(grpStyles).anyTimes();
lg.accept((CatalogVisitor) anyObject());
expectLastCall()
.andAnswer(
new VisitAnswer() {
@Override
protected void doVisit(CatalogVisitor visitor) {
visitor.visit(lg);
}
})
.anyTimes();
expect(catalog.getLayerGroupByName(name)).andReturn(lg).anyTimes();
callback.onLayerGroup(name, lg, this);
replay(lg);
return this;
}
/**
* Gets a unique fileName for a sample.
*
* @param style
* @return
*/
private String getSampleFileName(StyleInfo style) {
String prefix = "";
if (style.getWorkspace() != null) {
prefix = style.getWorkspace().getName() + "_";
}
String fileName = prefix + style.getName() + "." + DEFAULT_SAMPLE_FORMAT;
return fileName;
}
/** @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;
}
void loadStyles(File styles, Catalog catalog, XStreamPersister xp) {
for (File sf : list(styles, new SuffixFileFilter(".xml"))) {
try {
// handle the .xml.xml case
if (new File(styles, sf.getName() + ".xml").exists()) {
continue;
}
StyleInfo s = depersist(xp, sf, StyleInfo.class);
catalog.add(s);
LOGGER.info("Loaded style '" + s.getName() + "'");
} catch (Exception e) {
LOGGER.log(Level.WARNING, "Failed to load style from file '" + sf.getName() + "'", e);
}
}
}
public MockCatalogBuilder style(String name) {
String filename = name + ".sld";
if (getClass().getResourceAsStream(filename) == null) {
return this;
}
String sId = newId();
Version version = Styles.Handler.SLD_10.getVersion();
final StyleInfo s = createNiceMock(StyleInfo.class);
styles.add(s);
expect(s.getId()).andReturn(sId);
expect(s.getName()).andReturn(name).anyTimes();
expect(s.getFilename()).andReturn(filename).anyTimes();
expect(s.getSLDVersion()).andReturn(version).anyTimes();
try {
expect(s.getStyle())
.andReturn(
Styles.style(Styles.parse(getClass().getResourceAsStream(filename), null, version)))
.anyTimes();
} catch (IOException e) {
throw new RuntimeException(e);
}
expect(catalog.getStyle(sId)).andReturn(s).anyTimes();
expect(catalog.getStyleByName(name)).andReturn(s).anyTimes();
s.accept((CatalogVisitor) anyObject());
expectLastCall()
.andAnswer(
new VisitAnswer() {
@Override
protected void doVisit(CatalogVisitor visitor) {
visitor.visit(s);
}
})
.anyTimes();
callback.onStyle(name, s, this);
replay(s);
return this;
}
/** Clean up no more valid samples: SLD updated from latest sample creation. */
private void clean() {
for (StyleInfo style : catalog.getStyles()) {
synchronized (style) {
Resource styleResource = getStyleResource(style);
File sampleFile;
try {
// remove old samples
sampleFile = getSampleFile(style);
if (isStyleNewerThanSample(styleResource, sampleFile)) {
sampleFile.delete();
}
} catch (IOException e) {
LOGGER.log(
Level.SEVERE, "Error cleaning invalid legend sample for " + style.getName(), e);
}
}
}
invalidated = new HashSet<String>();
}
/**
* Gets a unique name for a style, considering the workspace definition, in the form
* worspacename:stylename (or stylename if the style is global).
*
* @param styleInfo
* @return
*/
private String getStyleName(StyleInfo styleInfo) {
return styleInfo.getWorkspace() != null
? (styleInfo.getWorkspace().getName() + ":" + styleInfo.getName())
: styleInfo.getName();
}
/**
* 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");
}
/**
* Writes layer LegendURL pointing to the user supplied icon URL, if any, or to the proper
* GetLegendGraphic operation if an URL was not supplied by configuration file.
*
* <p>It is common practice to supply a URL to a WMS accesible legend graphic when it is
* difficult to create a dynamic legend for a layer.
*
* @param ft The FeatureTypeInfo that holds the legendURL to write out, or<code>null</code> if
* dynamically generated.
* @task TODO: figure out how to unhack legend parameters such as WIDTH, HEIGHT and FORMAT
*/
protected void handleLegendURL(String layerName, LegendInfo legend, StyleInfo style) {
if (legend != null) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("using user supplied legend URL");
}
AttributesImpl attrs = new AttributesImpl();
attrs.addAttribute("", "width", "width", "", String.valueOf(legend.getWidth()));
attrs.addAttribute("", "height", "height", "", String.valueOf(legend.getHeight()));
start("LegendURL", attrs);
element("Format", legend.getFormat());
attrs.clear();
attrs.addAttribute("", "xmlns:xlink", "xmlns:xlink", "", XLINK_NS);
attrs.addAttribute(XLINK_NS, "type", "xlink:type", "", "simple");
attrs.addAttribute(XLINK_NS, "href", "xlink:href", "", legend.getOnlineResource());
element("OnlineResource", null, attrs);
end("LegendURL");
} else {
String defaultFormat = GetLegendGraphicRequest.DEFAULT_FORMAT;
if (null == wmsConfig.getLegendGraphicOutputFormat(defaultFormat)) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.warning(
new StringBuffer("Default legend format (")
.append(defaultFormat)
.append(")is not supported (jai not available?), can't add LegendURL element")
.toString());
}
return;
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Adding GetLegendGraphic call as LegendURL");
}
AttributesImpl attrs = new AttributesImpl();
attrs.addAttribute(
"", "width", "width", "", String.valueOf(GetLegendGraphicRequest.DEFAULT_WIDTH));
// DJB: problem here is that we do not know the size of the
// legend apriori - we need
// to make one and find its height. Not the best way, but it
// would work quite well.
// This was advertising a 20*20 icon, but actually producing
// ones of a different size.
// An alternative is to just scale the resulting icon to what
// the server requested, but this isnt
// the nicest thing since warped images dont look nice. The
// client should do the warping.
// however, to actually estimate the size is a bit difficult.
// I'm going to do the scaling
// so it obeys the what the request says. For people with a
// problem with that should consider
// changing the default size here so that the request is for the
// correct size.
attrs.addAttribute(
"", "height", "height", "", String.valueOf(GetLegendGraphicRequest.DEFAULT_HEIGHT));
start("LegendURL", attrs);
element("Format", defaultFormat);
attrs.clear();
Map<String, String> params =
params(
"request",
"GetLegendGraphic",
"format",
defaultFormat,
"width",
String.valueOf(GetLegendGraphicRequest.DEFAULT_WIDTH),
"height",
String.valueOf(GetLegendGraphicRequest.DEFAULT_HEIGHT),
"layer",
layerName);
if (style != null) {
params.put("style", style.getName());
}
String legendURL = buildURL(request.getBaseUrl(), "wms", params, URLType.SERVICE);
attrs.addAttribute("", "xmlns:xlink", "xmlns:xlink", "", XLINK_NS);
attrs.addAttribute(XLINK_NS, "type", "xlink:type", "", "simple");
attrs.addAttribute(XLINK_NS, "href", "xlink:href", "", legendURL);
element("OnlineResource", null, attrs);
end("LegendURL");
}
}
/**
* 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);
}
}
