| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.PyException; |
| import org.python.core.PyObject; |
| |
| import freemarker.ext.util.ModelFactory; |
| import freemarker.template.ObjectWrapper; |
| import freemarker.template.TemplateCollectionModel; |
| import freemarker.template.TemplateModel; |
| import freemarker.template.TemplateModelException; |
| import freemarker.template.TemplateModelIterator; |
| import freemarker.template.TemplateSequenceModel; |
| |
| /** |
| * Model for Jython sequence objects ({@link org.python.core.PySequence} descendants). |
| */ |
| public class JythonSequenceModel |
| extends |
| JythonModel |
| implements |
| TemplateSequenceModel, |
| TemplateCollectionModel { |
| static final ModelFactory FACTORY = |
| new ModelFactory() |
| { |
| @Override |
| public TemplateModel create(Object object, ObjectWrapper wrapper) { |
| return new JythonSequenceModel((PyObject) object, (JythonWrapper) wrapper); |
| } |
| }; |
| |
| public JythonSequenceModel(PyObject object, JythonWrapper wrapper) { |
| super(object, wrapper); |
| } |
| |
| /** |
| * Returns {@link PyObject#__finditem__(int)}. |
| */ |
| @Override |
| public TemplateModel get(int index) throws TemplateModelException { |
| try { |
| return wrapper.wrap(object.__finditem__(index)); |
| } catch (PyException e) { |
| throw new TemplateModelException(e); |
| } |
| } |
| |
| /** |
| * Returns {@link PyObject#__len__()}. |
| */ |
| @Override |
| public int size() throws TemplateModelException { |
| try { |
| return object.__len__(); |
| } catch (PyException e) { |
| throw new TemplateModelException(e); |
| } |
| } |
| |
| @Override |
| public TemplateModelIterator iterator() { |
| return new TemplateModelIterator() |
| { |
| int i = 0; |
| |
| @Override |
| public boolean hasNext() throws TemplateModelException { |
| return i < size(); |
| } |
| |
| @Override |
| public TemplateModel next() throws TemplateModelException { |
| return get(i++); |
| } |
| }; |
| } |
| } |