DirectTranslator.java :  » Google-tech » twig-persist » com » vercer » engine » persist » translator » Java Open Source

package com.vercer.engine.persist.translator;

import java.lang.reflect.Type;
import java.util.Set;

import com.vercer.engine.persist.Path;
import com.vercer.engine.persist.Property;
import com.vercer.engine.persist.PropertyTranslator;
import com.vercer.engine.persist.util.PropertySets;
import com.vercer.engine.persist.util.SinglePropertySet;

public class DirectTranslator implements PropertyTranslator
{
  public Object propertiesToTypesafe(Set<Property> properties, Path path, Type type)
  {
    if (isDirectType(type))
    {
      if (properties.isEmpty())
      {
        return NULL_VALUE;
      }
      return PropertySets.firstValue(properties);
    }
    else
    {
      return null;
    }
  }

  protected boolean isDirectType(Type type)
  {
    return true;
  }

  public Set<Property> typesafeToProperties(Object object, Path path, boolean indexed)
  {
    if (isDirectType(object.getClass()))
    {
      return new SinglePropertySet(path, object, indexed);
    }
    else
    {
      return null;
    }
  }
}