use of eu.esdihumboldt.hale.io.xslt.functions.impl.XslVariableImpl in project hale by halestudio.
the class CityGMLXsltExport method writeContainerIntro.
@Override
protected void writeContainerIntro(XMLStreamWriter writer, XsltGenerationContext context) throws XMLStreamException, IOException {
if (targetCityModel != null && sourceCityModel != null) {
// copy GML boundedBy
// do it in a special template
String template = context.reserveTemplateName("copyBoundedBy");
writer.writeStartElement(NS_URI_XSL, "call-template");
writer.writeAttribute("name", template);
writer.writeEndElement();
// find source property
PropertyDefinition sourceBB = null;
for (ChildDefinition<?> child : sourceCityModel.getType().getChildren()) {
if (child.asProperty() != null && child.getName().getLocalPart().equals("boundedBy") && child.getName().getNamespaceURI().startsWith(GML_NAMESPACE_CORE)) {
sourceBB = child.asProperty();
break;
}
}
// find target property
PropertyDefinition targetBB = null;
for (ChildDefinition<?> child : targetCityModel.getType().getChildren()) {
if (child.asProperty() != null && child.getName().getLocalPart().equals("boundedBy") && child.getName().getNamespaceURI().startsWith(GML_NAMESPACE_CORE)) {
targetBB = child.asProperty();
break;
}
}
if (sourceBB != null && targetBB != null) {
// create templated
OutputStreamWriter out = new OutputStreamWriter(context.addInclude().openBufferedStream(), getCharset());
try {
out.write("<xsl:template name=\"" + template + "\">");
StringBuilder selectSource = new StringBuilder();
selectSource.append('/');
selectSource.append(GroovyXslHelpers.asPrefixedName(sourceCityModel.getName(), context));
selectSource.append('/');
selectSource.append(GroovyXslHelpers.asPrefixedName(sourceBB.getName(), context));
selectSource.append("[1]");
out.write("<xsl:for-each select=\"" + selectSource.toString() + "\">");
String elementName = GroovyXslHelpers.asPrefixedName(targetBB.getName(), context);
out.write("<" + elementName + ">");
// create bogus rename cell
DefaultCell cell = new DefaultCell();
// source
ListMultimap<String, Entity> source = ArrayListMultimap.create();
List<ChildContext> sourcePath = new ArrayList<ChildContext>();
sourcePath.add(new ChildContext(sourceBB));
PropertyEntityDefinition sourceDef = new PropertyEntityDefinition(sourceCityModel.getType(), sourcePath, SchemaSpaceID.SOURCE, null);
source.put(null, new DefaultProperty(sourceDef));
cell.setSource(source);
// target
ListMultimap<String, Entity> target = ArrayListMultimap.create();
List<ChildContext> targetPath = new ArrayList<ChildContext>();
targetPath.add(new ChildContext(targetBB));
PropertyEntityDefinition targetDef = new PropertyEntityDefinition(targetCityModel.getType(), targetPath, SchemaSpaceID.TARGET, null);
target.put(null, new DefaultProperty(targetDef));
cell.setTarget(target);
// parameters
ListMultimap<String, ParameterValue> parameters = ArrayListMultimap.create();
parameters.put(RenameFunction.PARAMETER_STRUCTURAL_RENAME, new ParameterValue("true"));
parameters.put(RenameFunction.PARAMETER_IGNORE_NAMESPACES, new ParameterValue("true"));
cell.setTransformationParameters(parameters);
// variables
ListMultimap<String, XslVariable> variables = ArrayListMultimap.create();
variables.put(null, new XslVariableImpl(sourceDef, "."));
try {
out.write(context.getPropertyTransformation(RenameFunction.ID).selectFunction(cell).getSequence(cell, variables, context, null));
} catch (TransformationException e) {
throw new IllegalStateException("Failed to create template for boundedBy copy.", e);
}
out.write("</" + elementName + ">");
out.write("</xsl:for-each>");
out.write("</xsl:template>");
} finally {
out.close();
}
}
}
}
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