package er.ajax.json.serializer;
import org.jabsorb.serializer.AbstractSerializer;
import org.jabsorb.serializer.MarshallException;
import org.jabsorb.serializer.ObjectMatch;
import org.jabsorb.serializer.SerializerState;
import org.jabsorb.serializer.UnmarshallException;
import org.json.JSONException;
import org.json.JSONObject;
import com.webobjects.foundation.NSMutableDictionary;
import er.extensions.eof.ERXConstant;
/**
* Serializes ERXConstants.
*
* @author ak
*/
public class ERXConstantSerializer extends AbstractSerializer {
/**
* Do I need to update serialVersionUID?
* See section 5.6 <cite>Type Changes Affecting Serialization</cite> on page 51 of the
* <a href="http://java.sun.com/j2se/1.4/pdf/serial-spec.pdf">Java Object Serialization Spec</a>
*/
private static final long serialVersionUID = 1L;
protected static NSMutableDictionary publicAttributes = new NSMutableDictionary();
private static Class[] _serializableClasses = new Class[] { ERXConstant.Constant.class };
private static Class[] _JSONClasses = new Class[] { JSONObject.class };
public Class[] getSerializableClasses() {
return _serializableClasses;
}
public Class[] getJSONClasses() {
return _JSONClasses;
}
@Override
public boolean canSerialize(Class clazz, Class jsonClazz) {
return (super.canSerialize(clazz, jsonClazz) || ((jsonClazz == null || jsonClazz == JSONObject.class) && ERXConstant.Constant.class.isAssignableFrom(clazz)));
}
public ObjectMatch tryUnmarshall(SerializerState state, Class clazz, Object jso) {
return null;
}
public Object unmarshall(SerializerState state, Class clazz, Object o) throws UnmarshallException {
try {
JSONObject jso = (JSONObject) o;
Object object = jso.get("value");
if (object == null) {
throw new UnmarshallException("ERXConstant missing");
}
String javaClassName = jso.getString("javaClass");
ERXConstant.Constant constant = ERXConstant.constantForClassNamed(object, javaClassName);
state.setSerialized(o, constant);
return constant;
}
catch (Exception e) {
throw new UnmarshallException("Failed to unmarshall ERXConstant.", e);
}
}
public Object marshall(SerializerState state, Object p, Object o) throws MarshallException {
try {
ERXConstant.Constant obj = (ERXConstant.Constant) o;
JSONObject result = new JSONObject();
result.put("javaClass", obj.getClass().getName());
result.put("value", obj.value());
result.put("name", obj.name());
return result;
}
catch (JSONException e) {
throw new MarshallException("Failed to marshall ERXConstant.", e);
}
}
}