package org.infinispan.configuration.module;
import static org.infinispan.commons.util.StringPropertyReplacer.replaceProperties;
import javax.xml.stream.XMLStreamException;
import org.infinispan.configuration.cache.ConfigurationBuilder;
import org.infinispan.configuration.parsing.ConfigurationBuilderHolder;
import org.infinispan.configuration.parsing.ConfigurationParser;
import org.infinispan.configuration.parsing.Namespace;
import org.infinispan.configuration.parsing.Namespaces;
import org.infinispan.configuration.parsing.ParseUtils;
import org.infinispan.configuration.parsing.ParserScope;
import org.infinispan.configuration.parsing.XMLExtendedStreamReader;
/**
* MyParserExtension. This is a simple extension parser which parses modules in the "urn:infinispan:config:mymodule" namespace
*
* @author Tristan Tarrant
* @since 5.2
*/
@Namespaces({
@Namespace(uri = "urn:infinispan:config:mymodule", root = "sample-element"),
@Namespace(root = "sample-element")
})
public class MyParserExtension implements ConfigurationParser {
@Override
public void readElement(XMLExtendedStreamReader reader, ConfigurationBuilderHolder holder) throws XMLStreamException {
if (holder.getScope() != ParserScope.CACHE && holder.getScope() != ParserScope.CACHE_TEMPLATE) {
throw new IllegalStateException("WRONG SCOPE");
}
ConfigurationBuilder builder = holder.getCurrentConfigurationBuilder();
Element element = Element.forName(reader.getLocalName());
switch (element) {
case SAMPLE_ELEMENT: {
parseSampleElement(reader, builder.addModule(MyModuleConfigurationBuilder.class));
break;
}
default: {
throw ParseUtils.unexpectedElement(reader);
}
}
}
private void parseSampleElement(XMLExtendedStreamReader reader, MyModuleConfigurationBuilder builder)
throws XMLStreamException {
for (int i = 0; i < reader.getAttributeCount(); i++) {
ParseUtils.requireNoNamespaceAttribute(reader, i);
String value = replaceProperties(reader.getAttributeValue(i));
Attribute attribute = Attribute.forName(reader.getAttributeLocalName(i));
switch (attribute) {
case SAMPLE_ATTRIBUTE: {
builder.attribute(value);
break;
}
default: {
throw ParseUtils.unexpectedAttribute(reader, i);
}
}
}
ParseUtils.requireNoContent(reader);
}
@Override
public Namespace[] getNamespaces() {
return ParseUtils.getNamespaceAnnotations(getClass());
}
}