/*
* Copyright 2014 Attila Szegedi, Daniel Dekany, Jonathan Revusky
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package freemarker.ext.jython;
import org.python.core.PyObject;
/**
* Functions that has a different implementation depending on the Jython version
* used. This was introduced to work around class-loading errors because of
* different classes/methods being present in different Jython versions.
*/
public abstract class JythonVersionAdapter {
/**
* Returns
* <code>obj instanceof Py[Java]Instance</code>.
*/
public abstract boolean isPyInstance(Object obj);
/**
* Returns
* <code>((PyInstance) py[Java]Instance).__tojava__(java.lang.Object.class)</code>.
*/
public abstract Object pyInstanceToJava(Object pyInstance);
/**
* Returns <code>pyObject.__class__.__name__</code>
*/
public abstract String getPythonClassName(PyObject pyObject);
}