String namespace = entry.getKey();
String uri = entry.getValue();
if (uri == null) {
throw new IllegalArgumentException("Namespace definition must supply a non-null URI");
}
NamespaceHandler namespaceHandler = this.xmlBeanDefinitionReader.getNamespaceHandlerResolver().resolve(uri);
if (namespaceHandler == null) {
throw new BeanDefinitionParsingException(new Problem("No namespace handler found for URI: " + uri,
new Location(new DescriptiveResource(("Groovy")))));
}
this.namespaces.put(namespace, uri);