/*
* 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 org.apache.sling.scripting.freemarker.wrapper;
import freemarker.template.TemplateModel;
import freemarker.template.TemplateSequenceModel;
import freemarker.template.TemplateModelException;
import freemarker.template.SimpleScalar;
import javax.jcr.Property;
import javax.jcr.Value;
import javax.jcr.RepositoryException;
/**
* A wrapper for JCR multi value properties to support freemarker scripting.
*/
public class PropertyListModel implements TemplateSequenceModel {
private Value[] values;
public PropertyListModel(Property property) throws RepositoryException {
this.values = property.getValues();
}
/**
* Retrieves the i-th template model in this sequence.
*
* @return the item at the specified index, or <code>null</code> if
* the index is out of bounds. Note that a <code>null</code> value is
* interpreted by FreeMarker as "variable does not exist", and accessing
* a missing variables is usually considered as an error in the FreeMarker
* Template Language, so the usage of a bad index will not remain hidden.
*/
public TemplateModel get(int index) throws TemplateModelException {
try {
return new SimpleScalar(values[index].getString());
} catch (RepositoryException e) {
throw new TemplateModelException(e);
}
}
/**
* @return the number of items in the list.
*/
public int size() throws TemplateModelException {
return values.length;
}
}