net.razorvine.pyro.serializer.SerpentSerializer Maven / Gradle / Ivy
package net.razorvine.pyro.serializer;
import java.io.IOException;
import java.util.Map;
import net.razorvine.pyro.Config;
import net.razorvine.pyro.Message;
import net.razorvine.pyro.PyroException;
import net.razorvine.pyro.PyroProxy;
import net.razorvine.pyro.PyroURI;
import net.razorvine.serpent.IDictToInstance;
import net.razorvine.serpent.Parser;
import net.razorvine.serpent.Serializer;
import net.razorvine.serpent.ast.Ast;
public class SerpentSerializer extends PyroSerializer {
static {
Serializer.registerClass(PyroURI.class, new PyroUriSerpent());
Serializer.registerClass(PyroException.class, new PyroExceptionSerpent());
Serializer.registerClass(PyroProxy.class, new PyroProxySerpent());
}
@Override
public int getSerializerId() {
return Message.SERIALIZER_SERPENT;
}
@Override
public byte[] serializeCall(String objectId, String method, Object[] vargs, Map kwargs) throws IOException {
Serializer s = new Serializer(Config.SERPENT_INDENT, Config.SERPENT_SET_LITERALS);
Object[] invokeparams = new Object[] {objectId, method, vargs, kwargs};
return s.serialize(invokeparams);
}
@Override
public byte[] serializeData(Object obj) throws IOException {
Serializer s = new Serializer(Config.SERPENT_INDENT, Config.SERPENT_SET_LITERALS);
return s.serialize(obj);
}
@Override
public Object deserializeData(byte[] data) throws IOException {
Parser p = new Parser();
Ast ast = p.parse(data);
IDictToInstance dictConverter = new DictConverter();
return ast.getData(dictConverter);
}
class DictConverter implements IDictToInstance
{
public Object convert(Map dict) throws IOException {
String classname = (String)dict.get("__class__");
boolean isException = dict.containsKey("__exception__") && (Boolean)dict.get("__exception__");
if(isException)
{
// map all exception types to the PyroException
return PyroExceptionSerpent.FromSerpentDict(dict);
}
if("Pyro4.core.URI".equals(classname))
return PyroUriSerpent.FromSerpentDict(dict);
else if("Pyro4.core.Proxy".equals(classname))
return PyroProxySerpent.FromSerpentDict(dict);
else
return null;
}
}
}