@PostConstruct
void init() throws SldException {
if (getDirectory() != null) {
try {
if (getDirectory().getFile().exists()) {
if (getDirectory().getFile().isDirectory()) {
File[] sldFiles =
getDirectory()
.getFile()
.listFiles(
new FilenameFilter() {
public boolean accept(File dir, String name) {
return name.endsWith(".sld") || name.endsWith(".xml");
}
});
for (File file : sldFiles) {
RawSld raw = new RawSld();
raw.setXml(FileUtils.readFileToString(file, FILE_ENCODING));
String fileName = StringUtils.stripFilenameExtension(file.getName());
StyledLayerDescriptorInfo tmp = parseXml(fileName, raw.getXml());
raw.setName(fileName);
raw.setTitle(tmp.getTitle());
raw.setVersion(tmp.getVersion());
log.info("added sld '{}' to service", fileName);
allSlds.put(raw.getName(), raw);
}
}
}
} catch (Exception e) { // NOSONAR
log.warn("Error while initilizing SLD service.", e);
}
}
}
/**
* Convert StyledLayerDescriptorInfo to raw xml.
*
* @param sldi
* @return rawSld
* @throws SldException
*/
public RawSld toXml(StyledLayerDescriptorInfo sldi) throws SldException {
try {
if (sldi.getVersion() == null) {
sldi.setVersion("1.0.0");
}
return parseSldI(sldi);
} catch (JiBXException e) {
throw new SldException("Validation error", e);
}
}
private String getTitle(StyledLayerDescriptorInfo sld, String fallback) {
if (sld.getChoiceList() != null && sld.getChoiceList().size() > 0) {
NamedLayerInfo nli = sld.getChoiceList().get(0).getNamedLayer();
if (nli != null && nli.getName() != null) {
return nli.getName();
}
UserLayerInfo uli = sld.getChoiceList().get(0).getUserLayer();
if (uli != null && uli.getName() != null) {
return uli.getName();
}
}
return fallback;
}
private RawSld parseSldI(StyledLayerDescriptorInfo sld) throws JiBXException {
RawSld res = new RawSld();
IBindingFactory bfact;
bfact = BindingDirectory.getFactory(StyledLayerDescriptorInfo.class);
IMarshallingContext mctx = bfact.createMarshallingContext();
StringWriter writer = new StringWriter();
mctx.setOutput(writer);
mctx.getXmlWriter().setIndentSpaces(2, "\n", ' ');
mctx.marshalDocument(sld);
res.setXml(writer.toString());
res.setName(sld.getName());
res.setVersion(sld.getVersion());
res.setTitle(sld.getTitle() == null ? getTitle(sld, "?") : sld.getTitle());
return res;
}
private StyledLayerDescriptorInfo parseXml(String name, String raw) throws JiBXException {
IBindingFactory bfact = BindingDirectory.getFactory(StyledLayerDescriptorInfo.class);
IUnmarshallingContext uctx = bfact.createUnmarshallingContext();
Object object = uctx.unmarshalDocument(new StringReader(raw));
StyledLayerDescriptorInfo sld = (StyledLayerDescriptorInfo) object;
if (sld.getName() == null) {
sld.setName(name);
}
if (sld.getTitle() == null) {
sld.setTitle(getTitle(sld, name));
}
if (sld.getVersion() == null) {
sld.setVersion("1.0.0");
}
return sld;
}