freemarker.template.IteratorToTemplateModelIteratorAdapter Maven / Gradle / Ivy
/*
* 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.template;
import java.util.Iterator;
import java.util.NoSuchElementException;
/**
* Unlike {@link DefaultIteratorAdapter}, this doesn't adapt to some {@link TemplateModel}, but to {@link
* TemplateModelIterator}.
*/
class IteratorToTemplateModelIteratorAdapter implements TemplateModelIterator {
private final Iterator it;
private final ObjectWrapper wrapper;
IteratorToTemplateModelIteratorAdapter(Iterator it, ObjectWrapper wrapper) {
this.it = it;
this.wrapper = wrapper;
}
@Override
public TemplateModel next() throws TemplateModelException {
try {
return wrapper.wrap(it.next());
} catch (NoSuchElementException e) {
throw new TemplateModelException("The collection has no more items.", e);
}
}
@Override
public boolean hasNext() throws TemplateModelException {
return it.hasNext();
}
}