Greetings everyone,
I am attempting to create an XML entity loader to use with Spring. I want to
return List<T> and make it so that you tell the bean what the root element is
named so that the user does not have to create a container class.
Here is my trimmed code in XmlEntityParser.parse():
public class XmlEntityParser<T> extends AbstractEntityParser<T> {
public List<T> parse(String data) {
try {
Mapping mapping = new Mapping();
mapping.loadMapping(mappingUrl);
ClassMapping classMapping = new ClassMapping();
classMapping.setName(RootElement.class.getName());
MapTo mapTo = new MapTo();
mapTo.setXml(rootElement);
classMapping.setMapTo(mapTo);
FieldMapping fieldMapping = new FieldMapping();
fieldMapping.setName("entities");
fieldMapping.setCollection(FieldMappingCollectionType.COLLECTION);
fieldMapping.setType(type.getName());
XMLContext context = new XMLContext();
context.addMapping(mapping);
Unmarshaller unmarshaller = context.createUnmarshaller();
unmarshaller.setClass(type);
unmarshaller.unmarshal(new StringReader(data));
}
}
private class RootElement {
private List<T> entities;
public final List<T> getEntities() {
return entities;
}
public final void setEntities(List<T> entities) {
this.entities = entities;
}
}
}
Here's what the XML would look like (rootElement and type are properties of the
XmlEntityParser class):
<class name="XmlEntityParser.RootElement">
<map-to xml="${rootElement}" />
<field name="entities" collection="collection" type="${type}" />
</class>
The issue I'm having is that I'm coding along defining the ClassMapping,
FieldMapping, etc... and I get to the part where I'm expecting to be able to
call something like classMapping.addFieldMapping(), and no such method exists.
Am I using the right classes? I want to define the root element stuff
programmatically. Thanks!
Brian
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