/*
* 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.beans;
import java.util.AbstractCollection;
import java.util.Iterator;
import freemarker.template.TemplateCollectionModel;
import freemarker.template.TemplateModel;
import freemarker.template.TemplateModelAdapter;
import freemarker.template.TemplateModelException;
import freemarker.template.TemplateModelIterator;
import freemarker.template.utility.UndeclaredThrowableException;
/**
*/
class CollectionAdapter extends AbstractCollection implements TemplateModelAdapter {
private final BeansWrapper wrapper;
private final TemplateCollectionModel model;
CollectionAdapter(TemplateCollectionModel model, BeansWrapper wrapper) {
this.model = model;
this.wrapper = wrapper;
}
public TemplateModel getTemplateModel() {
return model;
}
public int size() {
throw new UnsupportedOperationException();
}
public Iterator iterator() {
try {
return new Iterator() {
final TemplateModelIterator i = model.iterator();
public boolean hasNext() {
try {
return i.hasNext();
}
catch(TemplateModelException e) {
throw new UndeclaredThrowableException(e);
}
}
public Object next() {
try {
return wrapper.unwrap(i.next());
}
catch(TemplateModelException e) {
throw new UndeclaredThrowableException(e);
}
}
public void remove() {
throw new UnsupportedOperationException();
}
};
}
catch(TemplateModelException e) {
throw new UndeclaredThrowableException(e);
}
}
}